DAAExample con Mascotas

DAAExample con Mascotas

.gitignore

+# General
+/bak
+
+# Eclipse
+.project
+.classpath
+.settings
+WebContent
+
+# Maven
+/bin
+/target
+/assembly
+
+# Testing
+/servers
+C:\\nppdf32Log\\debuglog.txt
+
+# Angular
+src/main/angular

db/mysql-with-inserts.sql

+DROP DATABASE IF EXISTS `daaexample`;
+CREATE DATABASE `daaexample`;
+
+CREATE TABLE `daaexample`.`people` (
+	`id` int NOT NULL AUTO_INCREMENT,
+	`name` varchar(50) NOT NULL,
+	`surname` varchar(100) NOT NULL,
+	PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE `daaexample`.`users` (
+	`login` varchar(100) NOT NULL,
+	`password` varchar(64) NOT NULL,
+	`role` varchar(10) NOT NULL,
+	PRIMARY KEY (`login`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE `daaexample`.`pets` (
+	`id` int NOT NULL AUTO_INCREMENT,
+	`name` varchar(50) NOT NULL,
+	`food` varchar(100) NOT NULL,
+	`id_person` int NOT NULL,
+	PRIMARY KEY (`id`),
+	CONSTRAINT `id_person` FOREIGN KEY (`id`) REFERENCES `daaexample`.`people`(`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE USER IF NOT EXISTS 'daa'@'localhost' IDENTIFIED WITH mysql_native_password BY 'daa';
+GRANT ALL ON `daaexample`.* TO 'daa'@'localhost';
+
+INSERT INTO `daaexample`.`people` (`id`,`name`,`surname`) VALUES (0,'Antón','Pérez');
+INSERT INTO `daaexample`.`people` (`id`,`name`,`surname`) VALUES (0,'Manuel','Martínez');
+INSERT INTO `daaexample`.`people` (`id`,`name`,`surname`) VALUES (0,'Laura','Reboredo');
+INSERT INTO `daaexample`.`people` (`id`,`name`,`surname`) VALUES (0,'Perico','Palotes');
+INSERT INTO `daaexample`.`people` (`id`,`name`,`surname`) VALUES (0,'Ana','María');
+INSERT INTO `daaexample`.`people` (`id`,`name`,`surname`) VALUES (0,'María','Nuevo');
+INSERT INTO `daaexample`.`people` (`id`,`name`,`surname`) VALUES (0,'Alba','Fernández');
+INSERT INTO `daaexample`.`people` (`id`,`name`,`surname`) VALUES (0,'Asunción','Jiménez');
+
+INSERT INTO `daaexample`.`pets` (`id`,`name`,`food`,`id_person`) VALUES (0,'Ali','pienso',0);
+INSERT INTO `daaexample`.`pets` (`id`,`name`,`food`,`id_person`) VALUES (0,'Pepe','atún',0);
+
+-- The password for each user is its login suffixed with "pass". For example, user "admin" has the password "adminpass".
+INSERT INTO `daaexample`.`users` (`login`,`password`,`role`)
+VALUES ('admin', '713bfda78870bf9d1b261f565286f85e97ee614efe5f0faf7c34e7ca4f65baca','ADMIN');
+INSERT INTO `daaexample`.`users` (`login`,`password`,`role`)
+VALUES ('normal', '7bf24d6ca2242430343ab7e3efb89559a47784eea1123be989c1b2fb2ef66e83','USER');

db/mysql.sql

+DROP DATABASE IF EXISTS `daaexample`;
+CREATE DATABASE `daaexample`;
+
+CREATE TABLE `daaexample`.`people` (
+	`id` int NOT NULL AUTO_INCREMENT,
+	`name` varchar(50) NOT NULL,
+	`surname` varchar(100) NOT NULL,
+	PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE `daaexample`.`users` (
+	`login` varchar(100) NOT NULL,
+	`password` varchar(64) NOT NULL,
+	`role` varchar(10) NOT NULL,
+	PRIMARY KEY (`login`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE `daaexample`.`pets` (
+	`id` int NOT NULL AUTO_INCREMENT,
+	`name` varchar(50) NOT NULL,
+	`food` varchar(100) NOT NULL,
+	`id_person` int NOT NULL,
+	PRIMARY KEY (`id`),
+	CONSTRAINT `id_person` FOREIGN KEY (`id`) REFERENCES `daaexample`.`people`(`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE USER IF NOT EXISTS 'daa'@'localhost' IDENTIFIED WITH mysql_native_password BY 'daa';
+GRANT ALL ON `daaexample`.* TO 'daa'@'localhost';

src/main/java/es/uvigo/esei/daa/DAAExampleApplication.java

+package es.uvigo.esei.daa;
+
+import static java.util.stream.Collectors.toSet;
+
+import java.util.Collections;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Stream;
+
+import javax.ws.rs.ApplicationPath;
+import javax.ws.rs.core.Application;
+
+import es.uvigo.esei.daa.rest.PeopleResource;
+import es.uvigo.esei.daa.rest.UsersResource;
+import es.uvigo.esei.daa.rest.PetsResource;
+
+/**
+ * Configuration of the REST application. This class includes the resources and
+ * configuration parameter used in the REST API of the application.
+ * 
+ * @author Miguel Reboiro Jato
+ *
+ *///aplicaciones con varios recursos asociados. internamente se sirve aplìcation
+
+@ApplicationPath("/rest/*")
+public class DAAExampleApplication extends Application {//todos recursos llevan /rest/
+	@Override
+	public Set<Class<?>> getClasses() {//se sobrescribe conjunto java con clases que quiero servir
+		return Stream.of(
+			PeopleResource.class,
+			UsersResource.class,
+			PetsResource.class
+			).collect(toSet());
+	}
+	
+	@Override
+	public Map<String, Object> getProperties() {
+		// Activates JSON automatic conversion in JAX-RS
+		return Collections.singletonMap(
+			"com.sun.jersey.api.json.POJOMappingFeature", true
+		);//cuando respuesta es java la pasa a json
+	}
+}

src/main/java/es/uvigo/esei/daa/dao/DAO.java

+package es.uvigo.esei.daa.dao;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+import javax.sql.DataSource;
+
+//permite pedir cosas a tomcat
+/**
+ * Simple base class for DAO (Data Access Object) classes. This super-class is
+ * responsible for providing a {@link java.sql.Connection} to its sub-classes.
+ *  
+ * @author Miguel Reboiro Jato
+ *
+ */
+public abstract class DAO {
+	private final static Logger LOG = Logger.getLogger(DAO.class.getName());
+	private final static String JNDI_NAME = "java:/comp/env/jdbc/daaexample"; 
+	
+	private DataSource dataSource;
+	
+	/**
+	 * Constructs a new instance of {@link DAO}.
+	 */
+	public DAO() {
+		try {
+			this.dataSource = (DataSource) new InitialContext().lookup(JNDI_NAME);//obtiene fuente datos(DataSource)
+		} catch (NamingException e) {
+			LOG.log(Level.SEVERE, "Error initializing DAO", e);
+			throw new RuntimeException(e);
+		}
+	}
+	
+	/**
+	 * Returns an open {@link java.sql.Connection}.
+	 * 
+	 * @return an open {@link java.sql.Connection}.
+	 * @throws SQLException if an error happens while establishing the
+	 * connection with the database.
+	 */
+	protected Connection getConnection() throws SQLException {
+		return this.dataSource.getConnection();
+	}
+}

src/main/java/es/uvigo/esei/daa/dao/DAOException.java

+package es.uvigo.esei.daa.dao;
+
+/**
+ * A general exception class for the DAO layer.
+ * 
+ * @author Miguel Reboiro Jato
+ */
+public class DAOException extends Exception {
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * Constructs a new instance of {@link DAOException} with {@code null} as 
+	 * its detail message.
+     * The cause is not initialized, and may subsequently be initialized by a
+     * call to {@link #initCause}.
+	 *
+	 */
+	public DAOException() {
+	}
+
+	/**
+	 * Constructs a new instance of {@link DAOException} with the specified
+	 * detail message. The cause is not initialized, and may subsequently be
+	 * initialized by a call to {@link #initCause}.
+     *
+     * @param message the detail message. The detail message is saved for later
+     * retrieval by the {@link #getMessage()} method.
+	 */
+	public DAOException(String message) {
+		super(message);
+	}
+
+	/**
+	 * Constructs a new instance of {@link DAOException} with the specified
+	 * cause and a detail message of
+	 * {@code (cause==null ? null : cause.toString())} (which typically contains
+	 * the class and detail message of {@code cause}). This constructor is
+	 * useful for exceptions that are little more than wrappers for other
+	 * throwables (for example, {@link java.security.PrivilegedActionException}).
+	 *
+	 * @param cause the cause (which is saved for later retrieval by the
+	 * {@link #getCause()} method). (A {@code null} value is permitted, and
+	 * indicates that the cause is nonexistent or unknown.)
+	 */
+	public DAOException(Throwable cause) {
+		super(cause);
+	}
+
+	/**
+	 * Constructs a new instance of {@link DAOException} with the specified
+	 * detail message and cause.
+	 * 
+	 * <p>Note that the detail message associated with {@code cause} is
+	 * <i>not</i> automatically incorporated in this exception's detail message.
+     *
+     * @param  message the detail message (which is saved for later retrieval
+     * by the {@link #getMessage()} method).
+     * @param  cause the cause (which is saved for later retrieval by the
+     * {@link #getCause()} method). A {@code null} value is permitted, and
+     * indicates that the cause is nonexistent or unknown.
+	 */
+	public DAOException(String message, Throwable cause) {
+		super(message, cause);
+	}
+
+	/**
+	 * Constructs a new instance of {@link DAOException} with the specified
+	 * detail message, cause, suppression enabled or disabled, and writable
+	 * stack trace enabled or disabled.
+	 *
+	 * @param message the detail message.
+	 * @param cause the cause. A {@code null} value is permitted, and indicates
+	 * that the cause is nonexistent or unknown.
+	 * @param enableSuppression whether or not suppression is enabled or
+	 * disabled.
+	 * @param writableStackTrace whether or not the stack trace should be
+	 * writable.
+	 */
+	public DAOException(String message, Throwable cause,
+			boolean enableSuppression, boolean writableStackTrace) {
+		super(message, cause, enableSuppression, writableStackTrace);
+	}
+}

src/main/java/es/uvigo/esei/daa/dao/PeopleDAO.java

+package es.uvigo.esei.daa.dao;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import es.uvigo.esei.daa.entities.Person;
+
+/**
+ * DAO class for the {@link Person} entities.
+ * 
+ * @author Miguel Reboiro Jato
+ *
+ */
+public class PeopleDAO extends DAO {
+	private final static Logger LOG = Logger.getLogger(PeopleDAO.class.getName());
+	
+	/**
+	 * Returns a person stored persisted in the system.
+	 * 
+	 * @param id identifier of the person.
+	 * @return a person with the provided identifier.
+	 * @throws DAOException if an error happens while retrieving the person.
+	 * @throws IllegalArgumentException if the provided id does not corresponds
+	 * with any persisted person.
+	 */
+	//JBBC
+	public Person get(int id)
+	throws DAOException, IllegalArgumentException {//Igual que en users
+		try (final Connection conn = this.getConnection()) {//consegimos coneción bd
+			final String query = "SELECT * FROM people WHERE id=?";//creamos consulta
+			
+			try (final PreparedStatement statement = conn.prepareStatement(query)) {//conseguimos statement
+				
+				statement.setInt(1, id);//doy valor a ?- ls 1º valor 1
+				//ejecuto consulta que devuelve result set- y conjunto resultado nos da acceso a resultados(iterando)
+				try (final ResultSet result = statement.executeQuery()) {
+					if (result.next()) {
+						return rowToEntity(result);
+					} else {
+						throw new IllegalArgumentException("Invalid id");
+					}
+				}
+			}
+		} catch (SQLException e) {
+			LOG.log(Level.SEVERE, "Error getting a person", e);
+			throw new DAOException(e);
+		}
+	}
+	
+	/**
+	 * Returns a list with all the people persisted in the system.
+	 * 
+	 * @return a list with all the people persisted in the system.
+	 * @throws DAOException if an error happens while retrieving the people.
+	 */
+	public List<Person> list() throws DAOException {//todas las personas
+		try (final Connection conn = this.getConnection()) {
+			final String query = "SELECT * FROM people";
+			
+			try (final PreparedStatement statement = conn.prepareStatement(query)) {
+				try (final ResultSet result = statement.executeQuery()) {//manejo ResultSet
+					final List<Person> people = new LinkedList<>();
+					
+					while (result.next()) {//mientras haya resultados se añadiran
+						people.add(rowToEntity(result));//dame valor de ese campo, creando persona
+					}
+					
+					return people;
+				}
+			}
+		} catch (SQLException e) {
+			LOG.log(Level.SEVERE, "Error listing people", e);
+			throw new DAOException(e);
+		}
+	}
+	
+	/**
+	 * Persists a new person in the system. An identifier will be assigned
+	 * automatically to the new person.
+	 * 
+	 * @param name name of the new person. Can't be {@code null}.
+	 * @param surname surname of the new person. Can't be {@code null}.
+	 * @return a {@link Person} entity representing the persisted person.
+	 * @throws DAOException if an error happens while persisting the new person.
+	 * @throws IllegalArgumentException if the name or surname are {@code null}.
+	 */
+	public Person add(String name, String surname)
+	throws DAOException, IllegalArgumentException {//añadir persona
+		if (name == null || surname == null) {
+			throw new IllegalArgumentException("name and surname can't be null"); //no se puede insertar vacio
+		}
+		
+		try (Connection conn = this.getConnection()) {//si se puede conectar con BD
+			final String query = "INSERT INTO people VALUES(null, ?, ?)"; //se realiza insercion
+			
+			try (PreparedStatement statement = conn.prepareStatement(query, Statement.RETURN_GENERATED_KEYS)) {
+				statement.setString(1, name);
+				statement.setString(2, surname);
+				
+				if (statement.executeUpdate() == 1) {
+					try (ResultSet resultKeys = statement.getGeneratedKeys()) {
+						if (resultKeys.next()) {
+							return new Person(resultKeys.getInt(1), name, surname);
+						} else {
+							LOG.log(Level.SEVERE, "Error retrieving inserted id");
+							throw new SQLException("Error retrieving inserted id");
+						}
+					}
+				} else {
+					LOG.log(Level.SEVERE, "Error inserting value");
+					throw new SQLException("Error inserting value");
+				}
+			}
+		} catch (SQLException e) {
+			LOG.log(Level.SEVERE, "Error adding a person", e);
+			throw new DAOException(e);
+		}
+	}
+	
+	/**
+	 * Modifies a person previously persisted in the system. The person will be
+	 * retrieved by the provided id and its current name and surname will be
+	 * replaced with the provided.
+	 * 
+	 * @param person a {@link Person} entity with the new data.
+	 * @throws DAOException if an error happens while modifying the new person.
+	 * @throws IllegalArgumentException if the person is {@code null}.
+	 */
+	public void modify(Person person)
+	throws DAOException, IllegalArgumentException {
+		if (person == null) {
+			throw new IllegalArgumentException("person can't be null");
+		}
+		
+		try (Connection conn = this.getConnection()) {
+			final String query = "UPDATE people SET name=?, surname=? WHERE id=?";
+			
+			try (PreparedStatement statement = conn.prepareStatement(query)) {
+				statement.setString(1, person.getName());
+				statement.setString(2, person.getSurname());
+				statement.setInt(3, person.getId());
+				
+				if (statement.executeUpdate() != 1) {
+					throw new IllegalArgumentException("name and surname can't be null");
+				}
+			}
+		} catch (SQLException e) {
+			LOG.log(Level.SEVERE, "Error modifying a person", e);
+			throw new DAOException();
+		}
+	}
+	
+	/**
+	 * Removes a persisted person from the system.
+	 * 
+	 * @param id identifier of the person to be deleted.
+	 * @throws DAOException if an error happens while deleting the person.
+	 * @throws IllegalArgumentException if the provided id does not corresponds
+	 * with any persisted person.
+	 */
+	public void delete(int id)
+	throws DAOException, IllegalArgumentException {
+		try (final Connection conn = this.getConnection()) {
+			final String query = "DELETE FROM people WHERE id=?";
+			
+			try (final PreparedStatement statement = conn.prepareStatement(query)) {
+				statement.setInt(1, id);
+				
+				if (statement.executeUpdate() != 1) {
+					throw new IllegalArgumentException("Invalid id");
+				}
+			}
+		} catch (SQLException e) {
+			LOG.log(Level.SEVERE, "Error deleting a person", e);
+			throw new DAOException(e);
+		}
+	}
+	
+	private Person rowToEntity(ResultSet row) throws SQLException {
+		return new Person(
+			row.getInt("id"),
+			row.getString("name"),
+			row.getString("surname")
+		);
+	}
+}

src/main/java/es/uvigo/esei/daa/dao/PetsDAO.java

+package es.uvigo.esei.daa.dao;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import es.uvigo.esei.daa.entities.Pet;
+
+/**
+ * DAO class for the {@link Pet} entities.
+ * 
+ * @author Iria Martínez Álvarez
+ *
+ */
+public class PetsDAO extends DAO {
+	private final static Logger LOG = Logger.getLogger(PetsDAO.class.getName());
+	
+	/**
+	 * Returns a pet stored persisted in the system.
+	 * 
+	 * @param id identifier of the pet.
+	 * @param id_person identifier of the pet.
+	 * @return a pet with the provided identifier.
+	 * @throws DAOException if an error happens while retrieving the pet.
+	 * @throws IllegalArgumentException if the provided id does not corresponds
+	 * with any persisted pet.
+	 */
+	public Pet get(int id)
+	throws DAOException, IllegalArgumentException {//Igual que en users
+		try (final Connection conn = this.getConnection()) {
+
+			final String query = "SELECT * FROM pets WHERE id=?";
+			
+			try (final PreparedStatement statement = conn.prepareStatement(query)) {
+				statement.setInt(1, id);
+				
+				try (final ResultSet result = statement.executeQuery()) {
+					if (result.next()) {
+						return rowToEntity(result);
+					} else {
+						throw new IllegalArgumentException("Invalid id");
+					}
+				}
+			}
+		} catch (SQLException e) {
+			LOG.log(Level.SEVERE, "Error getting a pet", e);
+			throw new DAOException(e);
+		}
+	}
+	
+	/**
+	 * Returns a list with all the pets persisted in the system.
+	 * 
+	 * @return a list with all the pets persisted in the system.
+	 * @throws DAOException if an error happens while retrieving the pets.
+	 */
+	public List<Pet> listPets(int id_person) throws DAOException {// todas las pets
+
+		try (final Connection conn = this.getConnection()) {
+			final String query = "SELECT * FROM pets WHERE id_person=?";
+			try (final PreparedStatement statement = conn.prepareStatement(query)) {
+				statement.setInt(1, id_person);
+
+				try (final ResultSet result = statement.executeQuery()) {
+					final List<Pet> pets = new LinkedList<>();
+
+					while (result.next()) {
+						pets.add(rowToEntity(result));
+					}
+
+					return pets;
+				}
+			}
+		} catch (SQLException e) {
+			LOG.log(Level.SEVERE, "Error listing pets", e);
+			throw new DAOException(e);
+		}
+	}
+	
+	/**
+	 * Persists a new pet in the system. An identifier will be assigned
+	 * automatically to the new pet.
+	 * 
+	 * @param name name of the new pet. Can't be {@code null}.
+	 * @param food food of the new pet. Can't be {@code null}.
+	 * @param id_person id_person of the new pet. Can't be {@code null}.
+	 * @return a {@link Pet} entity representing the persisted pet.
+	 * @throws DAOException if an error happens while persisting the new pet.
+	 * @throws IllegalArgumentException if the name or food are {@code null}.
+	 */
+	public Pet add(String name, String food, int id_person)
+			throws DAOException, IllegalArgumentException {// añadir pet
+		if (name == null || food == null) {
+			throw new IllegalArgumentException("name and food can't be null"); // no se puede insertar vacio
+		}
+
+		try (Connection conn = this.getConnection()) {// si se puede conectar con BD
+			System.err.println(name + " - " + food  + " - " + id_person);
+			final String query = "INSERT INTO pets (name, food, id_person) VALUES (?, ?, ?)"; // se realiza
+																										// insercion
+
+			try (PreparedStatement statement = conn.prepareStatement(query, Statement.RETURN_GENERATED_KEYS)) {
+				statement.setString(1, name);
+				statement.setString(2, food);
+				statement.setInt(3, id_person);
+
+				if (statement.executeUpdate() == 1) {
+					try (ResultSet resultKeys = statement.getGeneratedKeys()) {
+						if (resultKeys.next()) {
+							return new Pet(resultKeys.getInt(1), name, food, id_person);
+						} else {
+							LOG.log(Level.SEVERE, "Error retrieving inserted id");
+							throw new SQLException("Error retrieving inserted id");
+						}
+					}
+				} else {
+					LOG.log(Level.SEVERE, "Error inserting value");
+					throw new SQLException("Error inserting value");
+				}
+			}
+
+		} catch (SQLException e) {
+			LOG.log(Level.SEVERE, "Error adding a pet", e);
+			throw new DAOException(e);
+		}
+	}
+	
+	/**
+	 * Modifies a pet previously persisted in the system. The pet will be
+	 * retrieved by the provided id and its current name,id_person and food will be
+	 * replaced with the provided.
+	 * 
+	 * @param pet a {@link Pet} entity with the new data.
+	 * @throws DAOException if an error happens while modifying the new pet.
+	 * @throws IllegalArgumentException if the pet is {@code null}.
+	 */
+	public void modify(Pet pet)
+	throws DAOException, IllegalArgumentException {
+		if (pet == null) {
+			throw new IllegalArgumentException("pet can't be null");
+		}
+		
+		try (Connection conn = this.getConnection()) {
+			final String query = "UPDATE pets SET name=?, food=?, id_person=? WHERE id=?";
+			
+			try (PreparedStatement statement = conn.prepareStatement(query)) {
+				statement.setString(1, pet.getName());
+				statement.setString(2, pet.getFood());
+				statement.setInt(3, pet.getId_person());
+				statement.setInt(4, pet.getId());
+				
+				if (statement.executeUpdate() != 1) {
+					throw new IllegalArgumentException("name,id_person and food can't be null");
+				}
+			}
+		} catch (SQLException e) {
+			LOG.log(Level.SEVERE, "Error modifying a pet", e);
+			throw new DAOException();
+		}
+	}
+	
+	/**
+	 * Removes a persisted pet from the system.
+	 * 
+	 * @param id identifier of the pet to be deleted.
+	 * @throws DAOException if an error happens while deleting the pet.
+	 * @throws IllegalArgumentException if the provided id does not corresponds
+	 * with any persisted pet.
+	 */
+	public void delete(int id)
+	throws DAOException, IllegalArgumentException {
+		try (final Connection conn = this.getConnection()) {
+			final String query = "DELETE FROM pets WHERE id=?";
+			
+			try (final PreparedStatement statement = conn.prepareStatement(query)) {
+				statement.setInt(1, id);
+				
+				if (statement.executeUpdate() != 1) {
+					throw new IllegalArgumentException("Invalid id");
+				}
+			}
+		} catch (SQLException e) {
+			LOG.log(Level.SEVERE, "Error deleting a pet", e);
+			throw new DAOException(e);
+		}
+	}
+	
+	private Pet rowToEntity(ResultSet row) throws SQLException {
+		return new Pet(
+			row.getInt("id"),
+			row.getString("name"),
+			row.getString("food"),
+			row.getInt("id_person")
+		);
+	}
+}

src/main/java/es/uvigo/esei/daa/dao/UsersDAO.java

+package es.uvigo.esei.daa.dao;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import es.uvigo.esei.daa.entities.User;
+
+/**
+ * DAO class for managing the users of the system.
+ * 
+ * @author Miguel Reboiro Jato
+ */
+public class UsersDAO extends DAO {
+	private final static Logger LOG = Logger.getLogger(UsersDAO.class.getName());
+	
+	/**
+	 * Returns a user stored persisted in the system.
+	 * 
+	 * @param login the login of the user to be retrieved.
+	 * @return a user with the provided login.
+	 * @throws DAOException if an error happens while retrieving the user.
+	 * @throws IllegalArgumentException if the provided login does not
+	 * corresponds with any persisted user.
+	 */
+	public User get(String login) throws DAOException { //obtiene usuario
+		try (final Connection conn = this.getConnection()) {//prueba a establecer conexión con BD
+			//se establece conexión
+			final String query = "SELECT * FROM users WHERE login=?";//busco que coincida el login
+			
+			try (final PreparedStatement statement = conn.prepareStatement(query)) {//secuencias que se puede ejecutar varias veces pero con distintos parametros
+				statement.setString(1, login);
+				
+				try (final ResultSet result = statement.executeQuery()) {
+					if (result.next()) {
+						return rowToEntity(result);
+					} else {
+						throw new IllegalArgumentException("Invalid id");
+					}
+				}
+			}
+		} catch (SQLException e) {
+			LOG.log(Level.SEVERE, "Error checking login", e);
+			throw new DAOException(e);
+		}
+	}
+
+	/**
+	 * Checks if the provided credentials (login and password) correspond with a
+	 * valid user registered in the system.
+	 * 
+	 * <p>The password is stored in the system "salted" and encoded with the
+	 * SHA-256 algorithm.</p>
+	 * 
+	 * @param login the login of the user.
+	 * @param password the password of the user.
+	 * @return {@code true} if the credentials are valid. {@code false}
+	 * otherwise.
+	 * @throws DAOException if an error happens while checking the credentials.
+	 */
+	public boolean checkLogin(String login, String password) throws DAOException {//comprueba credenciales
+		try {
+			final User user = this.get(login);//obtenemos login
+			
+			final String dbPassword = user.getPassword();//obtenemos contraseña
+			final String shaPassword = encodeSha256(password);//descodificamos
+			
+			return shaPassword.equals(dbPassword);//miramos que coincida
+		} catch (IllegalArgumentException iae) {
+			return false;
+		}
+	}
+	
+	private final static String encodeSha256(String text) {//descodificamos
+		try {
+			final MessageDigest digest = MessageDigest.getInstance("SHA-256");
+			final byte[] digested = digest.digest(text.getBytes());
+			
+			return hexToString(digested);
+		} catch (NoSuchAlgorithmException e) {
+			LOG.log(Level.SEVERE, "SHA-256 not supported", e);
+			throw new RuntimeException(e);
+		}
+	}
+	
+	private final static String hexToString(byte[] hex) {//parte descodificación
+		final StringBuilder sb = new StringBuilder();
+		
+		for (byte b : hex) {
+			sb.append(String.format("%02x", b & 0xff));
+		}
+		
+		return sb.toString();
+	}
+
+	private User rowToEntity(ResultSet result) throws SQLException {//devuelve usuario
+		return new User(
+			result.getString("login"),
+			result.getString("password"),
+			result.getString("role")
+		);
+	}
+}

src/main/java/es/uvigo/esei/daa/entities/Person.java

+package es.uvigo.esei.daa.entities;
+
+import static java.util.Objects.requireNonNull;
+
+/**
+ * An entity that represents a person.
+ * 
+ * @author Miguel Reboiro Jato
+ */
+public class Person {
+	private int id;
+	private String name;
+	private String surname;
+	
+	// Constructor needed for the JSON conversion
+	Person() {}
+	
+	/**
+	 * Constructs a new instance of {@link Person}.
+	 *
+	 * @param id identifier of the person.
+	 * @param name name of the person.
+	 * @param surname surname of the person.
+	 */
+	public Person(int id, String name, String surname) {
+		this.id = id;
+		this.setName(name);
+		this.setSurname(surname);
+	}
+	
+	/**
+	 * Returns the identifier of the person.
+	 * 
+	 * @return the identifier of the person.
+	 */
+	public int getId() {
+		return id;
+	}
+
+	/**
+	 * Returns the name of the person.
+	 * 
+	 * @return the name of the person.
+	 */
+	public String getName() {
+		return name;
+	}
+
+	/**
+	 * Set the name of this person.
+	 * 
+	 * @param name the new name of the person.
+	 * @throws NullPointerException if the {@code name} is {@code null}.
+	 */
+	public void setName(String name) {
+		this.name = requireNonNull(name, "Name can't be null");
+	}
+
+	/**
+	 * Returns the surname of the person.
+	 * 
+	 * @return the surname of the person.
+	 */
+	public String getSurname() {
+		return surname;
+	}
+
+	/**
+	 * Set the surname of this person.
+	 * 
+	 * @param surname the new surname of the person.
+	 * @throws NullPointerException if the {@code surname} is {@code null}.
+	 */
+	public void setSurname(String surname) {
+		this.surname = requireNonNull(surname, "Surname can't be null");
+	}
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + id;
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (!(obj instanceof Person))
+			return false;
+		Person other = (Person) obj;
+		if (id != other.id)
+			return false;
+		return true;
+	}
+}

src/main/java/es/uvigo/esei/daa/entities/Pet.java

+package es.uvigo.esei.daa.entities;
+
+import static java.util.Objects.requireNonNull;
+
+/**
+ * An entity that represents a pet.
+ * 
+ * @author Iria Martínez Álvarez
+ */
+public class Pet {
+	private int id;
+	private String name;
+	private String food;
+	private int id_person;
+
+	
+	// Constructor needed for the JSON conversion
+	Pet() {}
+	
+	/**
+	 * Constructs a new instance of {@link Pet}.
+	 *
+	 * @param id identifier of the pet.
+	 * @param name name of the pet.
+	 * @param food food of the pet.
+	 * @param id_person id_person of the pet.
+	 */
+	public Pet(int id, String name, String food, int id_person) {
+		this.id = id;
+		this.setName(name);
+		this.setFood(food);
+		this.setId_person(id_person);
+
+	}
+	
+	/**
+	 * Returns the identifier of the pet.
+	 * 
+	 * @return the identifier of the pet.
+	 */
+	public int getId() {
+		return id;
+	}
+
+	/**
+	 * Returns the name of the pet.
+	 * 
+	 * @return the name of the pet.
+	 */
+	public String getName() {
+		return name;
+	}
+
+	/**
+	 * Set the name of this pet.
+	 * 
+	 * @param name the new name of the pet.
+	 * @throws NullPointerException if the {@code name} is {@code null}.
+	 */
+	public void setName(String name) {
+		this.name = requireNonNull(name, "Name can't be null");
+	}
+
+	/**
+	 * Returns the food of the pet.
+	 * 
+	 * @return the food of the pet.
+	 */
+	public String getFood() {
+		return food;
+	}
+
+	/**
+	 * Set the food of this pet.
+	 * 
+	 * @param food the new food of the pet.
+	 * @throws NullPointerException if the {@code food} is {@code null}.
+	 */
+	public void setFood(String food) {
+		this.food = requireNonNull(food, "Food can't be null");
+	}
+	/**
+	 * Returns the id_person of the pet.
+	 * 
+	 * @return the id_person of the pet.
+	 */
+	public int getId_person() {
+		return id_person;
+	}
+
+	/**
+	 * Set the id_person of this pet.
+	 * 
+	 * @param id_person the new id_person of the pet.
+	 * @throws NullPointerException if the {@code id_person} is {@code id_person}.
+	 */
+	public void setId_person(int id_person) {
+		this.id_person = requireNonNull(id_person, "Id_person can't be null");
+	}
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + id;
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (!(obj instanceof Pet))
+			return false;
+		Pet other = (Pet) obj;
+		if (id != other.id)
+			return false;
+		return true;
+	}
+}

src/main/java/es/uvigo/esei/daa/entities/User.java

+package es.uvigo.esei.daa.entities;
+
+import static java.util.Objects.requireNonNull;
+
+/**
+ * An entity that represents a user.
+ * 
+ * @author Miguel Reboiro Jato
+ */
+public class User {
+	private String login;
+	private String password;
+	private String role;
+
+	// Constructor needed for the JSON conversion
+	User() {}
+	
+	/**
+	 * Constructs a new instance of {@link User}.
+	 *
+	 * @param login login that identifies the user in the system.
+	 * @param password password of the user encoded using SHA-256 and with the
+	 * "salt" prefix added.
+	 */
+	public User(String login, String password, String role) {
+		this.setLogin(login);
+		this.setPassword(password);
+		this.setRole(role);
+	}
+
+	/**
+	 * Returns the login of the user.
+	 * 
+	 * @return the login of the user.
+	 */
+	public String getLogin() {
+		return login;
+	}
+
+	/**
+	 * Sets the login of the user.
+	 * 
+	 * @param login the login that identifies the user in the system.
+	 */
+	public void setLogin(String login) {
+		this.login = requireNonNull(login, "Login can't be null");
+	}
+	
+	/**
+	 * Returns the password of the user.
+	 * 
+	 * @return the password of the user.
+	 */
+	public String getPassword() {
+		return password;
+	}
+	
+	/**
+	 * Sets the users password.
+	 * @param password the password of the user encoded using SHA-256 and with
+	 * the "salt" prefix added.
+	 */
+	public void setPassword(String password) {
+		requireNonNull(password, "Password can't be null");
+		if (!password.matches("[a-zA-Z0-9]{64}"))
+			throw new IllegalArgumentException("Password must be a valid SHA-256");
+		
+		this.password = password;
+	}
+	
+	/**
+	 * Returns the role of the user.
+	 * 
+	 * @return the role of the user.
+	 */
+	public String getRole() {
+		return role;
+	}
+
+	/**
+	 * Sets the role of the user.
+	 * 
+	 * @param role the role of the user
+	 */
+	public void setRole(String role) {
+		this.role = requireNonNull(role, "Role can't be null");
+	}
+}

src/main/java/es/uvigo/esei/daa/rest/PeopleResource.java

+package es.uvigo.esei.daa.rest;
+
+//Especificación de java para trabajar con rest
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.ws.rs.DELETE;
+import javax.ws.rs.FormParam;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
+import es.uvigo.esei.daa.dao.DAOException;
+import es.uvigo.esei.daa.dao.PeopleDAO;
+import es.uvigo.esei.daa.entities.Person;
+
+/**
+ * REST resource for managing people.
+ * 
+ * @author Miguel Reboiro Jato.
+ */
+@Path("/people")
+@Produces(MediaType.APPLICATION_JSON)
+public class PeopleResource {
+	private final static Logger LOG = Logger.getLogger(PeopleResource.class.getName());
+	
+	private final PeopleDAO dao;
+	
+	/**
+	 * Constructs a new instance of {@link PeopleResource}.
+	 */
+	public PeopleResource() {
+		this(new PeopleDAO());
+	}
+	
+	// Needed for testing purposes
+	PeopleResource(PeopleDAO dao) {
+		this.dao = dao;
+	}
+	
+	/**
+	 * Returns a person with the provided identifier.
+	 * 
+	 * @param id the identifier of the person to retrieve.
+	 * @return a 200 OK response with a person that has the provided identifier.
+	 * If the identifier does not corresponds with any user, a 400 Bad Request
+	 * response with an error message will be returned. If an error happens
+	 * while retrieving the list, a 500 Internal Server Error response with an
+	 * error message will be returned.
+	 */
+	@GET
+	@Path("/{id}")
+	public Response get(
+		@PathParam("id") int id
+	) {//response genera respuestas http de forma sencilla
+		try {
+			final Person person = this.dao.get(id);//entidades
+			
+			return Response.ok(person).build();
+		} catch (IllegalArgumentException iae) {
+			LOG.log(Level.FINE, "Invalid person id in get method", iae);
+			
+			return Response.status(Response.Status.BAD_REQUEST)
+				.entity(iae.getMessage())
+			.build();
+		} catch (DAOException e) {
+			LOG.log(Level.SEVERE, "Error getting a person", e);
+			
+			return Response.serverError()
+				.entity(e.getMessage())
+			.build();
+		}
+	}
+
+	/**
+	 * Returns the complete list of people stored in the system.
+	 * 
+	 * @return a 200 OK response with the complete list of people stored in the
+	 * system. If an error happens while retrieving the list, a 500 Internal
+	 * Server Error response with an error message will be returned.
+	 */
+	@GET
+	public Response list() {
+		try {
+			return Response.ok(this.dao.list()).build();
+		} catch (DAOException e) {
+			LOG.log(Level.SEVERE, "Error listing people", e);
+			return Response.serverError().entity(e.getMessage()).build();
+		}
+	}
+
+	/**
+	 * Creates a new person in the system.
+	 * 
+	 * @param name the name of the new person.
+	 * @param surname the surname of the new person.
+	 * @return a 200 OK response with a person that has been created. If the
+	 * name or the surname are not provided, a 400 Bad Request response with an
+	 * error message will be returned. If an error happens while retrieving the
+	 * list, a 500 Internal Server Error response with an error message will be
+	 * returned.
+	 */
+	@POST
+	public Response add(
+		@FormParam("name") String name, 
+		@FormParam("surname") String surname
+	) {
+		try {
+			final Person newPerson = this.dao.add(name, surname);
+			
+			return Response.ok(newPerson).build();
+		} catch (IllegalArgumentException iae) {
+			LOG.log(Level.FINE, "Invalid person id in add method", iae);
+			
+			return Response.status(Response.Status.BAD_REQUEST)
+				.entity(iae.getMessage())
+			.build();
+		} catch (DAOException e) {
+			LOG.log(Level.SEVERE, "Error adding a person", e);
+			
+			return Response.serverError()
+				.entity(e.getMessage())
+			.build();
+		}
+	}
+
+	/**
+	 * Modifies the data of a person.
+	 * 
+	 * @param id identifier of the person to modify.
+	 * @param name the new name of the person.
+	 * @param surname the new surname of the person.
+	 * @return a 200 OK response with a person that has been modified. If the
+	 * identifier does not corresponds with any user or the name or surname are
+	 * not provided, a 400 Bad Request response with an error message will be
+	 * returned. If an error happens while retrieving the list, a 500 Internal
+	 * Server Error response with an error message will be returned.
+	 */
+	@PUT
+	@Path("/{id}")
+	public Response modify(
+		@PathParam("id") int id, 
+		@FormParam("name") String name, 
+		@FormParam("surname") String surname
+	) {
+		try {
+			final Person modifiedPerson = new Person(id, name, surname);
+			this.dao.modify(modifiedPerson);
+			
+			return Response.ok(modifiedPerson).build();
+		} catch (NullPointerException npe) {
+			final String message = String.format("Invalid data for person (name: %s, surname: %s)", name, surname);
+			
+			LOG.log(Level.FINE, message);
+			
+			return Response.status(Response.Status.BAD_REQUEST)
+				.entity(message)
+			.build();
+		} catch (IllegalArgumentException iae) {
+			LOG.log(Level.FINE, "Invalid person id in modify method", iae);
+			
+			return Response.status(Response.Status.BAD_REQUEST)
+				.entity(iae.getMessage())
+			.build();
+		} catch (DAOException e) {
+			LOG.log(Level.SEVERE, "Error modifying a person", e);
+			
+			return Response.serverError()
+				.entity(e.getMessage())
+			.build();
+		}
+	}
+
+	/**
+	 * Deletes a person from the system.
+	 * 
+	 * @param id the identifier of the person to be deleted.
+	 * @return a 200 OK response with the identifier of the person that has
+	 * been deleted. If the identifier does not corresponds with any user, a 400
+	 * Bad Request response with an error message will be returned. If an error
+	 * happens while retrieving the list, a 500 Internal Server Error response
+	 * with an error message will be returned.
+	 */
+	@DELETE
+	@Path("/{id}")
+	public Response delete(
+		@PathParam("id") int id
+	) {
+		try {
+			this.dao.delete(id);
+			
+			return Response.ok(id).build();
+		} catch (IllegalArgumentException iae) {
+			LOG.log(Level.FINE, "Invalid person id in delete method", iae);
+			
+			return Response.status(Response.Status.BAD_REQUEST)
+				.entity(iae.getMessage())
+			.build();
+		} catch (DAOException e) {
+			LOG.log(Level.SEVERE, "Error deleting a person", e);
+			
+			return Response.serverError()
+				.entity(e.getMessage())
+			.build();
+		}
+	}
+}

src/main/java/es/uvigo/esei/daa/rest/PetsResource.java

+package es.uvigo.esei.daa.rest;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.ws.rs.DELETE;
+import javax.ws.rs.FormParam;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
+import es.uvigo.esei.daa.dao.DAOException;
+import es.uvigo.esei.daa.dao.PetsDAO;
+import es.uvigo.esei.daa.entities.Pet;
+
+/**
+ * REST resource for managing pet.
+ * 
+ * @author Iria Martínez Álvarez.
+ */
+@Path("/pets")
+@Produces(MediaType.APPLICATION_JSON)
+public class PetsResource {
+	private final static Logger LOG = Logger.getLogger(PetsResource.class.getName());
+	
+	private final PetsDAO dao;
+	
+	/**
+	 * Constructs a new instance of {@link PetsResource}.
+	 */
+	public PetsResource() {
+		this(new PetsDAO());
+	}
+	
+	// Needed for testing purposes
+	PetsResource(PetsDAO dao) {
+		this.dao = dao;
+	}
+	
+	/**
+	 * Returns a pet with the provided identifier.
+	 * 
+	 * @param id the identifier of the pet to retrieve.
+	 * @return a 200 OK response with a pet that has the provided identifier.
+	 * If the identifier does not corresponds with any user, a 400 Bad Request
+	 * response with an error message will be returned. If an error happens
+	 * while retrieving the list, a 500 Internal Server Error response with an
+	 * error message will be returned.
+	 */
+	@GET
+	@Path("/{id}")
+	public Response get(
+		@PathParam("id") int id
+	) {
+		try {
+			final Pet pet = this.dao.get(id);
+			
+			return Response.ok(pet).build();
+		} catch (IllegalArgumentException iae) {
+			LOG.log(Level.FINE, "Invalid pet id in get method", iae);
+			
+			return Response.status(Response.Status.BAD_REQUEST)
+				.entity(iae.getMessage())
+			.build();
+		} catch (DAOException e) {
+			LOG.log(Level.SEVERE, "Error getting a pet", e);
+			
+			return Response.serverError()
+				.entity(e.getMessage())
+			.build();
+		}
+	}
+
+	/**
+	 * Returns the complete list of pets stored in the system.
+	 * 
+	 * @return a 200 OK response with the complete list of pets stored in the
+	 * system. If an error happens while retrieving the list, a 500 Internal
+	 * Server Error response with an error message will be returned.
+	 */
+	@GET
+	public Response listPets(
+		@QueryParam("id_person") int id_person
+	) {
+		try {
+			return Response.ok(this.dao.listPets(id_person)).build();
+		} catch (IllegalArgumentException iae) {
+			LOG.log(Level.FINE, "Invalid id_person", iae);
+			
+			return Response.status(Response.Status.BAD_REQUEST)
+				.entity(iae.getMessage())
+			.build();
+		} catch (DAOException e) {
+			LOG.log(Level.SEVERE, "Error listing pets", e);
+			
+			return Response.serverError()
+				.entity(e.getMessage())
+			.build();
+		}
+	}
+
+	/**
+	 * Creates a new pet in the system.
+	 * 
+	 * @param name the name of the new pet.
+	 * @param food the food of the new pet.
+	 * @param id_person the id_person of the new pet.
+
+	 * @return a 200 OK response with a pet that has been created. If the
+	 * name or the food are not provided, a 400 Bad Request response with an
+	 * error message will be returned. If an error happens while retrieving the
+	 * list, a 500 Internal Server Error response with an error message will be
+	 * returned.
+	 */
+	@POST
+	public Response add(
+		@FormParam("name") String name, 
+		@FormParam("food") String food,
+		@FormParam("id_person") int id_person
+
+	) {
+		try {
+			final Pet newPet = this.dao.add(name, food, id_person);
+			
+			return Response.ok(newPet).build();
+		} catch (IllegalArgumentException iae) {
+			LOG.log(Level.FINE, "Invalid pet id in add method", iae);
+			
+			return Response.status(Response.Status.BAD_REQUEST)
+				.entity(iae.getMessage())
+			.build();
+		} catch (DAOException e) {
+			LOG.log(Level.SEVERE, "Error adding a pet", e);
+			
+			return Response.serverError()
+				.entity(e.getMessage())
+			.build();
+		}
+	}
+
+	/**
+	 * Modifies the data of a pet.
+	 * 
+	 * @param id identifier of the pet to modify.
+	 * @param name the new name of the pet.
+	 * @param food the new food of the pet.
+	 * @param id_person the new id_person of the pet.
+	 * @return a 200 OK response with a pet that has been modified. If the
+	 * identifier does not corresponds with any user or the name,id_person or food are
+	 * not provided, a 400 Bad Request response with an error message will be
+	 * returned. If an error happens while retrieving the list, a 500 Internal
+	 * Server Error response with an error message will be returned.
+	 */
+	@PUT
+	@Path("/{id}")
+	public Response modify(
+		@PathParam("id") int id, 
+		@FormParam("name") String name, 
+		@FormParam("food") String food,
+		@FormParam("id_person") int id_person
+
+	) {
+		try {
+			final Pet modifiedPet = new Pet(id, name, food, id_person);
+			this.dao.modify(modifiedPet);
+			
+			return Response.ok(modifiedPet).build();
+		} catch (NullPointerException npe) {
+			final String message = String.format("Invalid data for peet (name: %s, food: %s, id_person: %d)", name, food);
+			
+			LOG.log(Level.FINE, message);
+			
+			return Response.status(Response.Status.BAD_REQUEST)
+				.entity(message)
+			.build();
+		} catch (IllegalArgumentException iae) {
+			LOG.log(Level.FINE, "Invalid pet id in modify method", iae);
+			
+			return Response.status(Response.Status.BAD_REQUEST)
+				.entity(iae.getMessage())
+			.build();
+		} catch (DAOException e) {
+			LOG.log(Level.SEVERE, "Error modifying a pet", e);
+			
+			return Response.serverError()
+				.entity(e.getMessage())
+			.build();
+		}
+	}
+
+	/**
+	 * Deletes a pet from the system.
+	 * 
+	 * @param id the identifier of the pet to be deleted.
+	 * @return a 200 OK response with the identifier of the pet that has
+	 * been deleted. If the identifier does not corresponds with any user, a 400
+	 * Bad Request response with an error message will be returned. If an error
+	 * happens while retrieving the list, a 500 Internal Server Error response
+	 * with an error message will be returned.
+	 */
+	@DELETE
+	@Path("/{id}")
+	public Response delete(
+		@PathParam("id") int id
+	) {
+		try {
+			this.dao.delete(id);
+			
+			return Response.ok(id).build();
+		} catch (IllegalArgumentException iae) {
+			LOG.log(Level.FINE, "Invalid pet id in delete method", iae);
+			
+			return Response.status(Response.Status.BAD_REQUEST)
+				.entity(iae.getMessage())
+			.build();
+		} catch (DAOException e) {
+			LOG.log(Level.SEVERE, "Error deleting a pet", e);
+			
+			return Response.serverError()
+				.entity(e.getMessage())
+			.build();
+		}
+	}
+}

src/main/java/es/uvigo/esei/daa/rest/UsersResource.java

+package es.uvigo.esei.daa.rest;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.SecurityContext;
+
+import es.uvigo.esei.daa.dao.DAOException;
+import es.uvigo.esei.daa.dao.UsersDAO;
+/**
+ * REST resource for managing users.
+ * 
+ * @author Miguel Reboiro Jato.
+ */
+@Path("/users")
+@Produces(MediaType.APPLICATION_JSON)
+public class UsersResource {
+	private final static Logger LOG = Logger.getLogger(UsersResource.class.getName());
+	
+	private final UsersDAO dao;
+	
+	private @Context SecurityContext security;
+	
+	/**
+	 * Constructs a new instance of {@link UsersResource}.
+	 */
+	public UsersResource() {
+		this(new UsersDAO());
+	}
+	
+	// Needed for testing purposes
+	UsersResource(UsersDAO dao) {
+		this(dao, null);
+	}
+	
+	// Needed for testing purposes
+	UsersResource(UsersDAO dao, SecurityContext security) {
+		this.dao = dao;
+		this.security = security;
+	}
+	
+	/**
+	 * Returns a user with the provided login.
+	 * 
+	 * @param login the identifier of the user to retrieve.
+	 * @return a 200 OK response with an user that has the provided login.
+	 * If the request is done without providing the login credentials or using
+	 * invalid credentials a 401 Unauthorized response will be returned. If the
+	 * credentials are provided and a regular user (i.e. non admin user) tries
+	 * to access the data of other user, a 403 Forbidden response will be
+	 * returned. If the credentials are OK, but the login does not corresponds
+	 * with any user, a 400 Bad Request response with an error message will be
+	 * returned. If an error happens while retrieving the list, a 500 Internal
+	 * Server Error response with an error message will be returned.
+	 */
+	@GET
+	@Path("/{login}")
+	public Response get(
+		@PathParam("login") String login
+	) {
+		final String loggedUser = getLogin();
+		
+		// Each user can only access his or her own data. Only the admin user
+		// can access the data of any user.
+		if (loggedUser.equals(login) || this.isAdmin()) {
+			try {
+				return Response.ok(dao.get(login)).build();
+			} catch (IllegalArgumentException iae) {
+				LOG.log(Level.FINE, "Invalid user login in get method", iae);
+				
+				return Response.status(Response.Status.BAD_REQUEST)
+					.entity(iae.getMessage())
+				.build();
+			} catch (DAOException e) {
+				LOG.log(Level.SEVERE, "Error getting an user", e);
+				
+				return Response.serverError()
+					.entity(e.getMessage())
+				.build();
+			}
+		} else {
+			return Response.status(Response.Status.UNAUTHORIZED).build();
+		}
+	}
+	
+	private String getLogin() {
+		return this.security.getUserPrincipal().getName();
+	}
+	
+	private boolean isAdmin() {
+		return this.security.isUserInRole("ADMIN");
+	}
+}

src/main/webapp/WEB-INF/web.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee 
+    http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
+  version="3.1">
+  <display-name>DAAExample</display-name>
+
+  <welcome-file-list>
+    <welcome-file>index.html</welcome-file>
+  </welcome-file-list>
+
+  <filter>
+    <filter-name>CorsFilter</filter-name>
+    <filter-class>org.apache.catalina.filters.CorsFilter</filter-class>
+    <init-param>
+      <param-name>cors.allowed.origins</param-name>
+      <param-value>*</param-value>
+    </init-param>
+    <init-param>
+      <param-name>cors.allowed.headers</param-name>
+      <param-value>Authorization</param-value>
+    </init-param>
+    <init-param>
+      <param-name>cors.allowed.methods</param-name>
+      <param-value>GET, POST, DELETE, PUT</param-value>
+    </init-param>
+  </filter>
+  <filter-mapping>
+    <filter-name>CorsFilter</filter-name>
+    <url-pattern>/rest/*</url-pattern>
+  </filter-mapping>
+
+  <security-constraint>
+    <web-resource-collection>
+      <web-resource-name>Protected Area</web-resource-name>
+      <url-pattern>/rest/*</url-pattern>
+      <http-method>PUT</http-method>
+      <http-method>DELETE</http-method>
+      <http-method>GET</http-method>
+      <http-method>POST</http-method>
+    </web-resource-collection>
+    <auth-constraint>
+      <role-name>ADMIN</role-name>
+      <role-name>USER</role-name>
+    </auth-constraint>
+  </security-constraint>
+
+  <security-constraint>
+    <web-resource-collection>
+      <web-resource-name>Admin Area</web-resource-name>
+      <url-pattern>/rest/people/*</url-pattern>
+      <http-method>GET</http-method>
+      <http-method>PUT</http-method>
+      <http-method>DELETE</http-method>
+      <http-method>POST</http-method>
+    </web-resource-collection>
+    <auth-constraint>
+      <role-name>ADMIN</role-name>
+    </auth-constraint>
+  </security-constraint>
+
+    <security-constraint>
+    <web-resource-collection>
+      <web-resource-name>Admin Area</web-resource-name>
+      <url-pattern>/rest/pets/*</url-pattern>
+      <http-method>GET</http-method>
+      <http-method>PUT</http-method>
+      <http-method>DELETE</http-method>
+      <http-method>POST</http-method>
+    </web-resource-collection>
+    <auth-constraint>
+      <role-name>ADMIN</role-name>
+    </auth-constraint>
+  </security-constraint>
+
+  <!-- Security roles referenced by this web application -->
+  <security-role>
+    <role-name>ADMIN</role-name>
+  </security-role>
+  <security-role>
+    <role-name>USER</role-name>
+  </security-role>
+  
+  <login-config>
+    <auth-method>BASIC</auth-method>
+    <realm-name>DAAExample</realm-name>
+  </login-config>
+</web-app>
\ No newline at end of file

src/main/webapp/css/login.css

+html, body {
+	height: 100%;
+}
+
+body {
+	display: -ms-flexbox;
+	display: -webkit-box;
+	display: flex;
+	-ms-flex-align: center;
+	-ms-flex-pack: center;
+	-webkit-box-align: center;
+	align-items: center;
+	-webkit-box-pack: center;
+	justify-content: center;
+	padding-top: 40px;
+	padding-bottom: 40px;
+}
+
+#form-signin {
+	width: 100%;
+	max-width: 330px;
+	padding: 15px;
+	margin: 0 auto;
+}
+
+#form-signin .form-control {
+	position: relative;
+	box-sizing: border-box;
+	height: auto;
+	padding: 10px;
+	font-size: 16px;
+}
+
+#form-signin .form-control:focus {
+	z-index: 2;
+}
+
+#login {
+	margin-bottom: -1px;
+	border-bottom-right-radius: 0;
+	border-bottom-left-radius: 0;
+}
+
+#password {
+	margin-bottom: 10px;
+	border-top-left-radius: 0;
+	border-top-right-radius: 0;
+}
\ No newline at end of file

src/main/webapp/css/main.css

+button,input{
+	margin-top: 10px;
+}

src/main/webapp/index.html

+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="UTF-8">
+<meta name="viewport"
+	content="width=device-width, initial-scale=1, shrink-to-fit=no">
+
+<title>DAA Example - Login</title>
+
+<link rel="stylesheet" href="css/login.css">
+<link rel="stylesheet"
+	href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
+</head>
+<body class="text-center">
+	<form id="form-singin">
+		<h1 class="h1 mb-3 font-weight-normal">DAA Example</h1>
+
+		<label for="login" class="sr-only">Usuario</label> <input id="login"
+			name="login" type="text" class="form-control" placeholder="Usuario"
+			required autofocus /> <label for="password" class="sr-only">Contraseña</label>
+		<input id="password" name="password" type="password"
+			class="form-control" placeholder="Contraseña" required />
+
+		<button type="submit" class="btn btn-lg btn-primary btn-block mt-3">Entrar</button>
+	</form>
+
+	<script type="text/javascript"
+		src="http://code.jquery.com/jquery-2.2.4.min.js"></script>
+	<script
+		src="https://cdn.jsdelivr.net/npm/js-cookie@2/src/js.cookie.min.js"></script>
+	<script type="text/javascript" src="js/login.js"></script>
+	<script type="text/javascript">
+	$(document).ready(function() {
+	    $('#form-singin').submit(function(event) {
+		event.preventDefault();
+
+		var login = $('#login').val();
+		var password = $('#password').val();
+
+		doLogin(login, password);
+	    });
+	});
+    </script>
+</body>
+</html>
\ No newline at end of file

src/main/webapp/js/dao/people.js

+var PeopleDAO = (function() {
+    var resourcePath = "rest/people/";
+    var requestByAjax = function(data, done, fail, always) {
+	done = typeof done !== 'undefined' ? done : function() {};
+	fail = typeof fail !== 'undefined' ? fail : function() {};
+	always = typeof always !== 'undefined' ? always : function() {};
+
+	let authToken = localStorage.getItem('authorization-token');
+	if (authToken !== null) {
+	    data.beforeSend = function(xhr) {
+		xhr.setRequestHeader('Authorization', 'Basic ' + authToken);
+	    };
+	}
+
+	$.ajax(data).done(done).fail(fail).always(always);
+    };
+
+    function PeopleDAO() {
+	this.listPeople = function(done, fail, always) {
+	    requestByAjax({
+		url : resourcePath,
+		type : 'GET'
+	    }, done, fail, always);
+	};
+
+	this.addPerson = function(person, done, fail, always) {
+	    requestByAjax({
+		url : resourcePath,
+		type : 'POST',
+		data : person
+	    }, done, fail, always);
+	};
+
+	this.modifyPerson = function(person, done, fail, always) {
+	    requestByAjax({
+		url : resourcePath + person.id,
+		type : 'PUT',
+		data : person
+	    }, done, fail, always);
+	};
+
+	this.deletePerson = function(id, done, fail, always) {
+	    requestByAjax({
+		url : resourcePath + id,
+		type : 'DELETE',
+	    }, done, fail, always);
+	};
+    
+    }
+
+    return PeopleDAO;
+})();
\ No newline at end of file

src/main/webapp/js/dao/pets.js

+ var PetsDAO = (function() {
+    var resourcePath = "rest/pets/";
+    var requestByAjax = function(data, done, fail, always) {
+	done = typeof done !== 'undefined' ? done : function() {};
+	fail = typeof fail !== 'undefined' ? fail : function() {};
+	always = typeof always !== 'undefined' ? always : function() {};
+
+	let authToken = localStorage.getItem('authorization-token');
+	if (authToken !== null) {
+	    data.beforeSend = function(xhr) {
+		xhr.setRequestHeader('Authorization', 'Basic ' + authToken);
+	    };
+	}
+
+	$.ajax(data).done(done).fail(fail).always(always);
+    };
+
+    function PetsDAO() {
+	this.listPets = function(id_person,done, fail, always) {
+	    requestByAjax({
+		url : resourcePath + '?id_person=' +  id_person,
+		type : 'GET'
+	    }, done, fail, always);
+	};
+
+	this.addPet = function(pet, done, fail, always) {
+	    requestByAjax({
+		url : resourcePath ,
+		type : 'POST',
+		data : pet
+	    }, done, fail, always);
+	};
+
+	this.modifyPet = function(pet, done, fail, always) {
+	    requestByAjax({
+		url : resourcePath + pet.id,
+		type : 'PUT',
+		data : pet
+	    }, done, fail, always);
+	};
+
+	this.deletePet = function(id, done, fail, always) {
+	    requestByAjax({
+		url : resourcePath + id,
+		type : 'DELETE',
+	    }, done, fail, always);
+	};
+
+
+    }
+
+    return PetsDAO;
+})();
\ No newline at end of file

src/main/webapp/js/login.js

+function doLogin(login, password) {
+    $.ajax({
+	url: 'rest/users/' + login,
+	type: 'GET',
+	beforeSend: function (xhr) {
+	    xhr.setRequestHeader('Authorization', 'Basic ' + btoa(login + ":" + password));
+	}
+    })
+    .done(function() {
+	localStorage.setItem('authorization-token', btoa(login + ":" + password));
+	window.location = 'main.html';
+    })
+    .fail(function() {
+	alert('Invalid login and/or password.');
+    });
+}
+
+function doLogout() {
+    localStorage.removeItem('authorization-token');
+    window.location = 'index.html';
+}
\ No newline at end of file

src/main/webapp/js/view/people.js

+var PeopleView = (function() {
+	var dao;
+	
+	// Referencia a this que permite acceder a las funciones públicas desde las funciones de jQuery.
+	var self;
+	var viewPets;
+	var formId = 'people-form';
+	var listId = 'people-list';
+	var formQuery = '#' + formId;
+	var listQuery = '#' + listId;
+	
+	function PeopleView(peopleDao, formContainerId, listContainerId, viewP) {
+		dao = peopleDao;
+		self = this;
+		viewPets=viewP
+
+
+		this.init = function() {
+			insertPeopleForm($('#' + formContainerId));
+			insertPeopleList($('#' + listContainerId));
+		
+			dao.listPeople(function(people) {
+				$.each(people, function(key, person) {
+					appendToTable(person);
+				});
+			},
+			function() {//falla
+			    	alert('No has sido posible acceder al listado de personas.');
+			});
+			
+			// La acción por defecto de enviar formulario (submit) se sobreescribe
+			// para que el envío sea a través de AJAX
+			$(formQuery).submit(function(event) {
+				var person = self.getPersonInForm();
+				
+				if (self.isEditing()) {
+					dao.modifyPerson(person,
+						function(person) {
+							$('#person-' + person.id + ' td.name').text(person.name);
+							$('#person-' + person.id + ' td.surname').text(person.surname);
+							self.resetForm();
+						},
+						showErrorMessage,
+						self.enableForm
+					);
+				} else {
+					dao.addPerson(person,
+						function(person) {
+							appendToTable(person);
+							self.resetForm();
+						},
+						showErrorMessage,
+						self.enableForm
+					);
+				}
+				
+				return false;
+			});
+			
+			$('#btnClear').click(this.resetForm);
+		};
+
+		this.getPersonInForm = function() {
+			var form = $(formQuery);
+			return {
+				'id': form.find('input[name="id"]').val(),
+				'name': form.find('input[name="name"]').val(),
+				'surname': form.find('input[name="surname"]').val()
+			};
+		};
+
+		this.getPersonInRow = function(id) {
+			var row = $('#person-' + id);
+
+			if (row !== undefined) {
+				return {
+					'id': id,
+					'name': row.find('td.name').text(),
+					'surname': row.find('td.surname').text()
+				};
+			} else {
+				return undefined;
+			}
+		};
+		
+		this.editPerson = function(id) {
+			var row = $('#person-' + id);
+
+			if (row !== undefined) {
+				var form = $(formQuery);
+				
+				form.find('input[name="id"]').val(id);
+				form.find('input[name="name"]').val(row.find('td.name').text());
+				form.find('input[name="surname"]').val(row.find('td.surname').text());
+				
+				$('input#btnSubmit').val('Modificar');
+			}
+		};
+		
+		this.deletePerson = function(id) {
+			if (confirm('Está a punto de eliminar a una persona. ¿Está seguro de que desea continuar?')) {
+				dao.deletePerson(id,
+					function() {
+						$('tr#person-' + id).remove();
+					},
+					showErrorMessage
+				);
+			}
+		};
+
+		this.petPerson = function(id) {
+			
+			$('#' + formContainerId).empty();
+			$('#' + listContainerId).empty();
+
+			viewPets.init(self,id);
+		};
+
+		this.isEditing = function() {
+			return $(formQuery + ' input[name="id"]').val() != "";
+		};
+
+		this.disableForm = function() {
+			$(formQuery + ' input').prop('disabled', true);
+		};
+
+		this.enableForm = function() {
+			$(formQuery + ' input').prop('disabled', false);
+		};
+
+		this.resetForm = function() {
+			$(formQuery)[0].reset();
+			$(formQuery + ' input[name="id"]').val('');
+			$('#btnSubmit').val('Crear');
+		};
+	};
+	
+	var insertPeopleList = function(parent) {
+		parent.append(
+			'<table id="' + listId + '" class="table">\
+				<thead>\
+					<tr class="row">\
+						<th class="col-sm-3">Nombre</th>\
+						<th class="col-sm-4">Apellido</th>\
+						<th class="col-sm-5">&nbsp;</th>\
+					</tr>\
+				</thead>\
+				<tbody>\
+				</tbody>\
+			</table>'
+		);
+	};
+
+	var insertPeopleForm = function(parent) {
+		parent.append(
+			'<form id="' + formId + '" class="mb-5 mb-10">\
+				<input name="id" type="hidden" value=""/>\
+				<div class="row">\
+					<div class="col-sm-4">\
+						<input name="name" type="text" value="" placeholder="Nombre" class="form-control" required/>\
+					</div>\
+					<div class="col-sm-4">\
+						<input name="surname" type="text" value="" placeholder="Apellido" class="form-control" required/>\
+					</div>\
+					<div class="col-sm-4">\
+						<input id="btnSubmit" type="submit" value="Crear" class="btn btn-primary" />\
+						<input id="btnClear" type="reset" value="Limpiar" class="btn" />\
+					</div>\
+				</div>\
+			</form>'
+		);
+	};
+
+	var createPersonRow = function(person) {
+		return '<tr id="person-'+ person.id +'" class="row">\
+			<td class="name col-sm-3">' + person.name + '</td>\
+			<td class="surname col-sm-4">' + person.surname + '</td>\
+			<td class="col-sm-5">\
+				<a class="edit btn btn-primary" href="#">Editar</a>\
+				<a class="delete btn btn-warning" href="#">Eliminar</a>\
+				<a class="pet btn btn-primary" href="#">Mascotas</a>\
+			</td>\
+		</tr>';
+	};
+
+	var showErrorMessage = function(jqxhr, textStatus, error) {
+		alert(textStatus + ": " + error);
+	};
+
+	var addRowListeners = function(person) {
+		$('#person-' + person.id + ' a.edit').click(function() {
+			self.editPerson(person.id);
+		});
+		
+		$('#person-' + person.id + ' a.delete').click(function() {
+			self.deletePerson(person.id);
+		});
+
+		$('#person-' + person.id + ' a.pet').click(function() {
+			self.petPerson(person.id);
+		});
+		
+		
+	};
+
+	var appendToTable = function(person) {
+		$(listQuery + ' > tbody:last')
+			.append(createPersonRow(person));
+		addRowListeners(person);
+	};
+	
+	return PeopleView;
+})();

src/main/webapp/js/view/pets.js

+var PetsView = (function() {//creo clase
+	var dao;
+	
+	// Referencia a this que permite acceder a las funciones públicas desde las funciones de jQuery.
+	//estas variables son atributos privados clase
+	var self;
+	var peopleView;
+	var formId = 'pets-form';
+	var listId = 'pets-list';
+	var formQuery = '#' + formId;
+	var listQuery = '#' + listId;
+	
+	function PetsView(petsDao, formContainerId, listContainerId) {//constructor
+		dao = petsDao;//se guarda internamente
+		self = this;
+		//metodos internas=publicas
+		this.init = function(peopleView,id) {//peopleView se pasa para el volver
+			peopleView=peopleView;
+			self.peopleView=peopleView;
+			
+			id_person=id;
+
+			insertPetsForm($('#' + formContainerId));//se guarda form de pets- busco elem con ese id. Se añade html
+			insertPetsList($('#' + listContainerId));//se guarda lista de pets- se añade html
+		
+			dao.listPets(id_person,function(pets) {//se pide al dao que pida al backend lista de pets
+				$.each(pets, function(key, pet) {//para cada pet
+					appendToTable(pet);//se añade tabla
+				});
+			},
+			function() {
+			    	alert('No has sido posible acceder al listado de mascotas.');
+			});
+			
+			// La acción por defecto de enviar formulario (submit) se sobreescribe
+			// para que el envío sea a través de AJAX
+			$(formQuery).submit(function(event) {//se coge formulario en evento submit y se sustituye por peticion js
+				var pet = self.getPetInForm();
+				
+				if (self.isEditing()) {//si se esta editando
+					dao.modifyPet(pet,
+						function(pet) {
+							$('#pet-' + pet.id + ' td.name').text(pet.name);
+							$('#pet-' + pet.id + ' td.food').text(pet.food);
+							self.resetForm();
+						},
+						showErrorMessage,
+						self.enableForm
+					);
+				} else {
+					dao.addPet(pet,
+						function(pet) {//si se esta añadiendo
+							appendToTable(pet,peopleView);//añade tabla
+							self.resetForm();
+						},
+						showErrorMessage,
+						self.enableForm
+					);
+				}
+				
+				return false;
+			});
+			
+			$('#btnClear').click(this.resetForm);
+            $('#btnReturn').click(this.returnPeople);
+		};
+
+		this.getPetInForm = function() {
+			var form = $(formQuery);
+			return {
+				'id': form.find('input[name="id"]').val(),
+				'name': form.find('input[name="name"]').val(),
+				'food': form.find('input[name="food"]').val(),
+				'id_person': form.find('input[name="id_person"]').val()
+
+			};
+		};
+
+		this.getPetInRow = function(id) {
+			var row = $('#pet-' + id);
+
+			if (row !== undefined) {
+				return {
+					'id': id,
+					'name': row.find('td.name').text(),
+					'food': row.find('td.food').text(),
+					'id_person': row.find('td.id_person').text()
+
+				};
+			} else {
+				return undefined;
+			}
+		};
+		
+		this.editPet = function(id) {
+			var row = $('#pet-' + id);
+
+			if (row !== undefined) {
+				var form = $(formQuery);
+				
+				form.find('input[name="id"]').val(id);
+				form.find('input[name="name"]').val(row.find('td.name').text());
+				form.find('input[name="food"]').val(row.find('td.food').text());			
+				form.find('input[name="id_person"]').val(id_person);
+
+				$('input#btnSubmit').val('Modificar');
+			}
+		};
+		
+		this.deletePet = function(id) {
+			if (confirm('Está a punto de eliminar a una mascota. ¿Está seguro de que desea continuar?')) {
+				dao.deletePet(id,
+					function() {
+						$('tr#pet-' + id).remove();
+					},
+					showErrorMessage
+				);
+			}
+		};
+
+		this.isEditing = function() {
+			return $(formQuery + ' input[name="id"]').val() != "";
+		};
+
+		this.disableForm = function() {
+			$(formQuery + ' input').prop('disabled', true);
+		};
+
+		this.enableForm = function() {
+			$(formQuery + ' input').prop('disabled', false);
+		};
+
+		this.resetForm = function() {
+			$(formQuery)[0].reset();
+			$(formQuery + ' input[name="id"]').val('');
+			$('#btnSubmit').val('Crear');
+		};
+		this.returnPeople = function() {
+			window.history.back();
+		};
+	};
+	
+	var insertPetsList = function(parent) {
+		parent.append(
+			'<table id="' + listId + '" class="table">\
+				<thead>\
+					<tr class="row">\
+						<th class="col-sm-4">Nombre</th>\
+						<th class="col-sm-5">Comida</th>\
+						<th class="col-sm-3">&nbsp;</th>\
+					</tr>\
+				</thead>\
+				<tbody>\
+				</tbody>\
+			</table>'
+		);
+	};
+	//metodos privadas
+			
+	var insertPetsForm = function(parent) {
+		parent.append(
+			'<form id="' + formId + '" class="mb-5 mb-10">\
+				<h1>Mascotas</h1>\
+				<input name="id" type="hidden" value=""/>\
+					<div class="col-sm-3">\
+						<input id="btnReturn"  type="button" value="Volver" class="btn btn-primary my-2" />\
+					</div>\
+				<div class="row">\
+					<div class="col-sm-3">\
+						<input name="name" type="text" value="" input-sm placeholder="Nombre" class="form-control" required/>\
+					</div>\
+					<div class="col-sm-3">\
+						<input name="food" type="text" value="" input-sm placeholder="Comida" class="form-control" required/>\
+					</div>\
+					<div class="col-sm-3">\
+						<input name="id_person" type="text" input-sm value="' + id_person + '" placeholder="Propietario" class="form-control" readonly />\
+					</div>\
+					<div class="col-sm-3">\
+						<input id="btnSubmit" type="submit" value="Crear" class="btn btn-primary" />\
+						<input id="btnClear" type="reset" value="Limpiar" class="btn" />\
+					</div>\
+				</div>\
+			</form>'
+		);
+	};
+
+	var createPetsRow = function(pet) {
+		return '<tr id="pet-'+ pet.id +'" class="row">\
+			<td class="name col-sm-3">' + pet.name + '</td>\
+			<td class="name col-sm-3">' + pet.id_person + '</td>\
+			<td class="food col-sm-3">' + pet.food + '</td>\
+			<td class="col-sm-3">\
+				<a class="edit btn btn-primary" href="#">Editar</a>\
+				<a class="delete btn btn-warning" href="#">Eliminar</a>\
+			</td>\
+		</tr>';
+	};
+
+	var showErrorMessage = function(jqxhr, textStatus, error) {
+		alert(textStatus + ": " + error);
+	};
+
+	var addRowListeners = function(pet) {
+		$('#pet-' + pet.id + ' a.edit').click(function() {
+			self.editPet(pet.id);
+		});
+		
+		$('#pet-' + pet.id + ' a.delete').click(function() {
+			self.deletePet(pet.id);
+		});
+	};
+	
+	
+	var appendToTable = function(pet,peopleView) {
+		$(listQuery + ' > tbody:last')//coge la tabla, coge ultimo elem
+			.append(createPetsRow(pet));//se añade elem html
+		addRowListeners(pet);//añade listeners(botones)
+
+	};
+
+	return PetsView;
+})();

src/main/webapp/main.html

+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="UTF-8">
+
+<title>DAA Example</title>
+<link rel="stylesheet" href="css/main.css">
+<link rel="stylesheet"
+	href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
+</head>
+<body>
+	<header>
+		<div class="navbar navbar-dark bg-dark box-shadow">
+			<div class="container d-flex justify-content-between">
+				<a href="#" class="navbar-brand d-flex align-items-center">
+					<strong>DAA	Example</strong>
+				</a>
+				<button id="logout" class="btn btn-dark">Cerrar sesión</button>
+			</div>
+		</div>
+	</header>
+
+	<div class="container">
+		<div id="people-container">
+			<h1 class="display-5 mt-3 mb-3">Personas</h1>
+		</div>
+	</div>
+	
+	<script type="text/javascript"
+		src="http://code.jquery.com/jquery-2.2.4.min.js"></script>
+	<script type="text/javascript" src="js/dao/people.js"></script>
+	<script type="text/javascript" src="js/dao/pets.js"></script>
+	<script type="text/javascript" src="js/view/pets.js"></script>
+	<script type="text/javascript" src="js/view/people.js"></script>
+	<script type="text/javascript" src="js/login.js"></script>
+	<script type="text/javascript">
+	$(document).ready(//cuando documento sea cargado se ejecuta
+		function() {
+		    $('#logout').click(function(event) {//codigo al boton de logout 
+				event.preventDefault();
+				doLogout();
+		    });
+		   
+		    var viewP = new PetsView(new PetsDAO(),
+		    	'people-container', 'people-container'
+	    	);
+
+
+		    var view = new PeopleView(new PeopleDAO(), //crea clase javascript de vista a la que le pasa la de dao y les dice donde meter tabla y formulario
+		    	'people-container', 'people-container',viewP//formulario,tabla
+	    	);
+		    view.init();//al div añade formulario y tabla
+		});
+    </script>
+
+</body>
+</html>
\ No newline at end of file

src/test/java/es/uvigo/esei/daa/DAAExampleTestApplication.java

+package es.uvigo.esei.daa;
+
+import static java.util.Collections.unmodifiableSet;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import javax.ws.rs.ApplicationPath;
+
+import es.uvigo.esei.daa.filters.AuthorizationFilter;
+
+@ApplicationPath("/rest/*")
+public class DAAExampleTestApplication extends DAAExampleApplication {
+	@Override
+	public Set<Class<?>> getClasses() {
+		final Set<Class<?>> classes = new HashSet<>(super.getClasses());
+		
+		classes.add(AuthorizationFilter.class);
+		
+		return unmodifiableSet(classes);
+	}
+}

src/test/java/es/uvigo/esei/daa/dataset/PeopleDataset.java

+package es.uvigo.esei.daa.dataset;
+
+import static java.util.Arrays.binarySearch;
+import static java.util.Arrays.stream;
+
+import java.util.Arrays;
+import java.util.function.Predicate;
+
+import es.uvigo.esei.daa.entities.Person;
+
+public final class PeopleDataset {
+	private PeopleDataset() {}
+	
+	public static Person[] people() {
+		return new Person[] {
+			new Person(1, "Antón", "Álvarez"),
+			new Person(2, "Ana", "Amargo"),
+			new Person(3, "Manuel", "Martínez"),
+			new Person(4, "María", "Márquez"),
+			new Person(5, "Lorenzo", "López"),
+			new Person(6, "Laura", "Laredo"),
+			new Person(7, "Perico", "Palotes"),
+			new Person(8, "Patricia", "Pérez"),
+			new Person(9, "Julia", "Justa"),
+			new Person(10, "Juan", "Jiménez")
+		};
+	}
+	
+	public static Person[] peopleWithout(int ... ids) {
+		Arrays.sort(ids);
+		
+		final Predicate<Person> hasValidId = person ->
+			binarySearch(ids, person.getId()) < 0;
+		
+		return stream(people())
+			.filter(hasValidId)
+		.toArray(Person[]::new);
+	}
+	
+	public static Person person(int id) {
+		return stream(people())
+			.filter(person -> person.getId() == id)
+			.findAny()
+		.orElseThrow(IllegalArgumentException::new);
+	}
+	
+	public static int existentId() {
+		return 5;
+	}
+	
+	public static int nonExistentId() {
+		return 1234;
+	}
+
+	public static Person existentPerson() {
+		return person(existentId());
+	}
+	
+	public static Person nonExistentPerson() {
+		return new Person(nonExistentId(), "Jane", "Smith");
+	}
+	
+	public static String newName() {
+		return "John";
+	}
+	
+	public static String newSurname() {
+		return "Doe";
+	}
+	
+	public static Person newPerson() {
+		return new Person(people().length + 1, newName(), newSurname());
+	}
+}

src/test/java/es/uvigo/esei/daa/dataset/UsersDataset.java

+package es.uvigo.esei.daa.dataset;
+
+import java.util.Arrays;
+import java.util.Base64;
+
+import es.uvigo.esei.daa.entities.User;
+
+public final class UsersDataset {
+	private UsersDataset() {}
+
+	public static User[] users() {
+		return new User[] {
+			new User(adminLogin(), "713bfda78870bf9d1b261f565286f85e97ee614efe5f0faf7c34e7ca4f65baca", "ADMIN"),
+			new User(normalLogin(), "7bf24d6ca2242430343ab7e3efb89559a47784eea1123be989c1b2fb2ef66e83", "USER")
+		};
+	}
+	
+	public static User user(String login) {
+		return Arrays.stream(users())
+			.filter(user -> user.getLogin().equals(login))
+			.findAny()
+		.orElseThrow(IllegalArgumentException::new);
+	}
+	
+	public static String adminLogin() {
+		return "admin";
+	}
+	
+	public static String normalLogin() {
+		return "normal";
+	}
+	
+	public static String userToken(String login) {
+		final String chain = login + ":" + login + "pass";
+		
+		return Base64.getEncoder().encodeToString(chain.getBytes());
+	}
+}

src/test/java/es/uvigo/esei/daa/entities/PersonUnitTest.java

+package es.uvigo.esei.daa.entities;
+
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+import nl.jqno.equalsverifier.EqualsVerifier;
+import nl.jqno.equalsverifier.Warning;
+
+public class PersonUnitTest {
+	@Test
+	public void testPersonIntStringString() {
+		final int id = 1;
+		final String name = "John";
+		final String surname = "Doe";
+		
+		final Person person = new Person(id, name, surname);
+		
+		assertThat(person.getId(), is(equalTo(id)));
+		assertThat(person.getName(), is(equalTo(name)));
+		assertThat(person.getSurname(), is(equalTo(surname)));
+	}
+
+	@Test(expected = NullPointerException.class)
+	public void testPersonIntStringStringNullName() {
+		new Person(1, null, "Doe");
+	}
+	
+	@Test(expected = NullPointerException.class)
+	public void testPersonIntStringStringNullSurname() {
+		new Person(1, "John", null);
+	}
+
+	@Test
+	public void testSetName() {
+		final int id = 1;
+		final String surname = "Doe";
+		
+		final Person person = new Person(id, "John", surname);
+		person.setName("Juan");
+		
+		assertThat(person.getId(), is(equalTo(id)));
+		assertThat(person.getName(), is(equalTo("Juan")));
+		assertThat(person.getSurname(), is(equalTo(surname)));
+	}
+
+	@Test(expected = NullPointerException.class)
+	public void testSetNullName() {
+		final Person person = new Person(1, "John", "Doe");
+		
+		person.setName(null);
+	}
+
+	@Test
+	public void testSetSurname() {
+		final int id = 1;
+		final String name = "John";
+		
+		final Person person = new Person(id, name, "Doe");
+		person.setSurname("Dolores");
+		
+		assertThat(person.getId(), is(equalTo(id)));
+		assertThat(person.getName(), is(equalTo(name)));
+		assertThat(person.getSurname(), is(equalTo("Dolores")));
+	}
+
+	@Test(expected = NullPointerException.class)
+	public void testSetNullSurname() {
+		final Person person = new Person(1, "John", "Doe");
+		
+		person.setSurname(null);
+	}
+
+	@Test
+	public void testEqualsObject() {
+		final Person personA = new Person(1, "Name A", "Surname A");
+		final Person personB = new Person(1, "Name B", "Surname B");
+		
+		assertTrue(personA.equals(personB));
+	}
+
+	@Test
+	public void testEqualsHashcode() {
+		EqualsVerifier.forClass(Person.class)
+			.withIgnoredFields("name", "surname")
+			.suppress(Warning.STRICT_INHERITANCE)
+			.suppress(Warning.NONFINAL_FIELDS)
+		.verify();
+	}
+}

src/test/java/es/uvigo/esei/daa/filters/AuthorizationFilter.java

+package es.uvigo.esei.daa.filters;
+
+import java.io.IOException;
+import java.security.Principal;
+import java.util.Arrays;
+import java.util.Base64;
+import java.util.List;
+
+import javax.annotation.Priority;
+import javax.ws.rs.Priorities;
+import javax.ws.rs.container.ContainerRequestContext;
+import javax.ws.rs.container.ContainerRequestFilter;
+import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.PathSegment;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
+import javax.ws.rs.core.SecurityContext;
+import javax.ws.rs.ext.Provider;
+
+import es.uvigo.esei.daa.dao.DAOException;
+import es.uvigo.esei.daa.dao.UsersDAO;
+import es.uvigo.esei.daa.entities.User;
+
+/**
+ * This performs the Basic HTTP authentication following (almost) the same
+ * rules as the defined in the web.xml file.
+ * 
+ * @author Miguel Reboiro Jato
+ */
+@Provider
+@Priority(Priorities.AUTHENTICATION)
+public class AuthorizationFilter implements ContainerRequestFilter {
+	// Add here the list of REST paths that an administrator can access.
+	private final static List<String> ADMIN_PATHS = Arrays.asList("people");
+	
+	private final UsersDAO dao;
+
+	public AuthorizationFilter() {
+		this.dao = new UsersDAO();
+	}
+
+	@Override
+	public void filter(ContainerRequestContext requestContext) throws IOException {
+		// Get the authentication passed in HTTP headers parameters
+		final String auth = requestContext.getHeaderString(HttpHeaders.AUTHORIZATION);
+
+		if (auth == null) {
+			requestContext.abortWith(createResponse());
+		} else {
+			final byte[] decodedToken = Base64.getDecoder()
+				.decode(auth.substring(6));
+			
+			final String userColonPass = new String(decodedToken);
+			final String[] userPass = userColonPass.split(":", 2);
+			
+			if (userPass.length == 2) {
+				try {
+					if (this.dao.checkLogin(userPass[0], userPass[1])) {
+						final User user = this.dao.get(userPass[0]);
+						
+						if (isAdminPath(requestContext) && !user.getRole().equals("ADMIN")) {
+							requestContext.abortWith(createResponse());
+						} else {
+							requestContext.setSecurityContext(new UserSecurityContext(user));
+						}
+					} else {
+						requestContext.abortWith(createResponse());
+					}
+				} catch (DAOException e) {
+					requestContext.abortWith(createResponse());
+				}
+			} else {
+				requestContext.abortWith(createResponse());
+			}
+		}
+	}
+	
+	private static boolean isAdminPath(ContainerRequestContext context) {
+		final List<PathSegment> pathSegments = context.getUriInfo().getPathSegments();
+		
+		if (pathSegments.isEmpty()) {
+			return false;
+		} else {
+			final String path = pathSegments.get(0).getPath();
+			return ADMIN_PATHS.contains(path);
+		}
+	}
+	
+	private static Response createResponse() {
+		return Response.status(Status.UNAUTHORIZED)
+			.header(HttpHeaders.WWW_AUTHENTICATE, "Basic realm=\"DAAExample\"")
+			.entity("Page requires login.")
+		.build();
+	}
+	
+	private static final class UserSecurityContext implements SecurityContext {
+		private final User user;
+
+		private UserSecurityContext(User user) {
+			this.user = user;
+		}
+
+		@Override
+		public boolean isUserInRole(String role) {
+			return user.getRole().equals(role);
+		}
+
+		@Override
+		public boolean isSecure() {
+			return false;
+		}
+
+		@Override
+		public Principal getUserPrincipal() {
+			return new Principal() {
+				@Override
+				public String getName() {
+					return user.getLogin();
+				}
+			};
+		}
+
+		@Override
+		public String getAuthenticationScheme() {
+			return SecurityContext.BASIC_AUTH;
+		}
+	}
+}

src/test/java/es/uvigo/esei/daa/listeners/ApplicationContextBinding.java

+package es.uvigo.esei.daa.listeners;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Repeatable;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Repeatable(ApplicationContextBindings.class)
+public @interface ApplicationContextBinding {
+	public String jndiUrl();
+	public String name() default "";
+	public Class<?> type() default None.class;
+	
+	public final static class None {}
+}

src/test/java/es/uvigo/esei/daa/listeners/ApplicationContextBindings.java

+package es.uvigo.esei.daa.listeners;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface ApplicationContextBindings {
+	public ApplicationContextBinding[] value();
+}

src/test/java/es/uvigo/esei/daa/listeners/ApplicationContextJndiBindingTestExecutionListener.java

+package es.uvigo.esei.daa.listeners;
+
+import org.springframework.mock.jndi.SimpleNamingContextBuilder;
+import org.springframework.test.context.TestContext;
+import org.springframework.test.context.support.AbstractTestExecutionListener;
+
+import es.uvigo.esei.daa.listeners.ApplicationContextBinding.None;
+
+
+public class ApplicationContextJndiBindingTestExecutionListener extends AbstractTestExecutionListener {
+	private SimpleNamingContextBuilder contextBuilder;
+	
+	@Override
+	public void beforeTestClass(TestContext testContext) throws Exception {
+		final Class<?> testClass = testContext.getTestClass();
+		
+		final ApplicationContextBinding[] bindings = testClass.getAnnotationsByType(ApplicationContextBinding.class);
+		
+		this.contextBuilder = SimpleNamingContextBuilder.emptyActivatedContextBuilder();
+		for (ApplicationContextBinding binding : bindings) {
+			final String bindingName = binding.name();
+			final Class<?> bindingType = binding.type();
+			
+			Object bean;
+			if (bindingName.isEmpty() && bindingType.equals(None.class)) {
+				throw new IllegalArgumentException("name or type attributes must be configured in ApplicationContextBinding");
+			} else if (bindingName.isEmpty()) {
+				bean = testContext.getApplicationContext().getBean(bindingType);
+			} else if (bindingType.equals(None.class)) {
+				bean = testContext.getApplicationContext().getBean(bindingName);
+			} else {
+				bean = testContext.getApplicationContext().getBean(bindingName, bindingType);
+			}
+			
+			this.contextBuilder.bind(binding.jndiUrl(), bean);
+		}
+	}
+	
+	@Override
+	public void afterTestClass(TestContext testContext) throws Exception {
+		this.contextBuilder.clear();
+		this.contextBuilder = null;
+	}
+}

src/test/java/es/uvigo/esei/daa/listeners/DbManagement.java

+package es.uvigo.esei.daa.listeners;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface DbManagement {
+	public String[] create() default "";
+	public String[] drop() default "";
+	public DbManagementAction action() default DbManagementAction.CREATE_DROP; 
+}

src/test/java/es/uvigo/esei/daa/listeners/DbManagementAction.java

+package es.uvigo.esei.daa.listeners;
+
+public enum DbManagementAction {
+	DROP_CREATE_DROP, CREATE_DROP, ONLY_CREATE, ONLY_DROP;
+}

src/test/java/es/uvigo/esei/daa/listeners/DbManagementTestExecutionListener.java

+package es.uvigo.esei.daa.listeners;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.sql.Statement;
+
+import javax.sql.DataSource;
+
+import org.springframework.test.context.TestContext;
+import org.springframework.test.context.support.AbstractTestExecutionListener;
+
+public class DbManagementTestExecutionListener extends AbstractTestExecutionListener {
+	private DbManagement configuration;
+	private DataSource datasource;
+	
+	@Override
+	public void beforeTestClass(TestContext testContext) throws Exception {
+		final Class<?> testClass = testContext.getTestClass();
+		this.configuration = testClass.getAnnotation(DbManagement.class);
+		
+		if (this.configuration == null)
+			throw new IllegalStateException(String.format(
+				"Missing %s annotation in %s class",
+				DbManagement.class.getSimpleName(), testClass.getName()
+			));
+		
+		this.datasource = testContext.getApplicationContext().getBean(DataSource.class);
+		
+		switch (this.configuration.action()) {
+			case DROP_CREATE_DROP:
+				executeDrop();
+			case CREATE_DROP:
+			case ONLY_CREATE:
+				executeCreate();
+				break;
+			default:
+		}
+	}
+	
+	@Override
+	public void afterTestClass(TestContext testContext) throws Exception {
+		try {
+			switch (this.configuration.action()) {
+				case DROP_CREATE_DROP:
+				case CREATE_DROP:
+				case ONLY_DROP:
+					executeDrop();
+					break;
+				default:
+			}
+		} finally {
+			this.configuration = null;
+			this.datasource = null;
+		}
+	}
+	
+	private void executeCreate() throws SQLException, IOException {
+		this.executeQueries(configuration.create());
+	}
+	
+	private void executeDrop() throws SQLException, IOException {
+		this.executeQueries(configuration.drop());
+	}
+	
+	private void executeQueries(String ... queriesPaths)
+	throws SQLException, IOException {
+		try (Connection connection = this.datasource.getConnection()) {
+			try (Statement statement = connection.createStatement()) {
+				for (String queryPath : queriesPaths) {
+					final String queries = readFile(queryPath);
+					for (String query : queries.split(";")) {
+						query = query.trim();
+						if (!query.trim().isEmpty()) {
+							statement.addBatch(query);
+						}
+					}
+				}
+				statement.executeBatch();
+			}
+		}
+	}
+	
+	private static String readFile(String path) throws IOException {
+		final String classpathPrefix = "classpath:";
+		
+		if (path.startsWith(classpathPrefix)) {
+			path = path.substring(classpathPrefix.length());
+			
+			final ClassLoader classLoader =
+				DbManagementTestExecutionListener.class.getClassLoader();
+			
+			final InputStream fileIS = classLoader.getResourceAsStream(path);
+			try (BufferedReader reader = new BufferedReader(new InputStreamReader(fileIS))) {
+				final StringBuilder sb = new StringBuilder();
+				
+				String line;
+				while ((line = reader.readLine()) != null) {
+					sb.append(line);
+				}
+				
+				return sb.toString();
+			}
+		} else {
+			return new String(Files.readAllBytes(Paths.get(path)));
+		}
+	}
+}

src/test/java/es/uvigo/esei/daa/matchers/HasHttpStatus.java

+/*
+ * #%L
+ * PanDrugsDB Backend
+ * %%
+ * Copyright (C) 2015 Fátima Al-Shahrour, Elena Piñeiro, Daniel Glez-Peña and Miguel Reboiro-Jato
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/gpl-3.0.html>.
+ * #L%
+ */
+package es.uvigo.esei.daa.matchers;
+
+import static java.util.Objects.requireNonNull;
+
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
+import javax.ws.rs.core.Response.StatusType;
+
+import org.hamcrest.Description;
+import org.hamcrest.Factory;
+import org.hamcrest.Matcher;
+import org.hamcrest.TypeSafeMatcher;
+
+public class HasHttpStatus extends TypeSafeMatcher<Response> {
+	private final StatusType expectedStatus;
+
+	public HasHttpStatus(StatusType expectedStatus) {
+		this.expectedStatus = requireNonNull(expectedStatus);
+	}
+
+	public HasHttpStatus(int expectedStatus) {
+		this(Status.fromStatusCode(expectedStatus));
+	}
+
+	@Override
+	public void describeTo(Description description) {
+		description.appendValue(this.expectedStatus);
+	}
+
+	@Override
+	protected void describeMismatchSafely(Response item, Description mismatchDescription) {
+		mismatchDescription.appendText("was ").appendValue(item.getStatusInfo());
+	}
+
+	@Override
+	protected boolean matchesSafely(Response item) {
+		return item != null && expectedStatus.getStatusCode() == item.getStatusInfo().getStatusCode();
+	}
+
+	@Factory
+	public static Matcher<Response> hasHttpStatus(StatusType expectedStatus) {
+		return new HasHttpStatus(expectedStatus);
+	}
+
+	@Factory
+	public static Matcher<Response> hasHttpStatus(int expectedStatus) {
+		return new HasHttpStatus(expectedStatus);
+	}
+
+	@Factory
+	public static Matcher<Response> hasOkStatus() {
+		return new HasHttpStatus(Response.Status.OK);
+	}
+
+	@Factory
+	public static Matcher<Response> hasBadRequestStatus() {
+		return new HasHttpStatus(Response.Status.BAD_REQUEST);
+	}
+
+	@Factory
+	public static Matcher<Response> hasInternalServerErrorStatus() {
+		return new HasHttpStatus(Response.Status.INTERNAL_SERVER_ERROR);
+	}
+
+	@Factory
+	public static Matcher<Response> hasUnauthorized() {
+		return new HasHttpStatus(Response.Status.UNAUTHORIZED);
+	}
+
+	@Factory
+	public static Matcher<Response> hasForbidden() {
+		return new HasHttpStatus(Response.Status.FORBIDDEN);
+	}
+}

src/test/java/es/uvigo/esei/daa/matchers/IsEqualToPerson.java

+package es.uvigo.esei.daa.matchers;
+
+import org.hamcrest.Factory;
+import org.hamcrest.Matcher;
+
+import es.uvigo.esei.daa.entities.Person;
+
+public class IsEqualToPerson extends IsEqualToEntity<Person> {
+	public IsEqualToPerson(Person entity) {
+		super(entity);
+	}
+
+	@Override
+	protected boolean matchesSafely(Person actual) {
+		this.clearDescribeTo();
+		
+		if (actual == null) {
+			this.addTemplatedDescription("actual", expected.toString());
+			return false;
+		} else {
+			return checkAttribute("id", Person::getId, actual)
+				&& checkAttribute("name", Person::getName, actual)
+				&& checkAttribute("surname", Person::getSurname, actual);
+		}
+	}
+
+	/**
+	 * Factory method that creates a new {@link IsEqualToEntity} matcher with
+	 * the provided {@link Person} as the expected value.
+	 * 
+	 * @param person the expected person.
+	 * @return a new {@link IsEqualToEntity} matcher with the provided
+	 * {@link Person} as the expected value.
+	 */
+	@Factory
+	public static IsEqualToPerson equalsToPerson(Person person) {
+		return new IsEqualToPerson(person);
+	}
+	
+	/**
+	 * Factory method that returns a new {@link Matcher} that includes several
+	 * {@link IsEqualToPerson} matchers, each one using an {@link Person} of the
+	 * provided ones as the expected value.
+	 * 
+	 * @param persons the persons to be used as the expected values.
+	 * @return a new {@link Matcher} that includes several
+	 * {@link IsEqualToPerson} matchers, each one using an {@link Person} of the
+	 * provided ones as the expected value.
+	 * @see IsEqualToEntity#containsEntityInAnyOrder(java.util.function.Function, Object...)
+	 */
+	@Factory
+	public static Matcher<Iterable<? extends Person>> containsPeopleInAnyOrder(Person ... persons) {
+		return containsEntityInAnyOrder(IsEqualToPerson::equalsToPerson, persons);
+	}
+
+}

src/test/java/es/uvigo/esei/daa/matchers/IsEqualToUser.java

+package es.uvigo.esei.daa.matchers;
+
+import org.hamcrest.Factory;
+import org.hamcrest.Matcher;
+
+import es.uvigo.esei.daa.entities.Person;
+import es.uvigo.esei.daa.entities.User;
+
+public class IsEqualToUser extends IsEqualToEntity<User> {
+	public IsEqualToUser(User entity) {
+		super(entity);
+	}
+
+	@Override
+	protected boolean matchesSafely(User actual) {
+		this.clearDescribeTo();
+		
+		if (actual == null) {
+			this.addTemplatedDescription("actual", expected.toString());
+			return false;
+		} else {
+			return checkAttribute("login", User::getLogin, actual)
+				&& checkAttribute("password", User::getPassword, actual);
+		}
+	}
+
+	/**
+	 * Factory method that creates a new {@link IsEqualToEntity} matcher with
+	 * the provided {@link Person} as the expected value.
+	 * 
+	 * @param user the expected person.
+	 * @return a new {@link IsEqualToEntity} matcher with the provided
+	 * {@link Person} as the expected value.
+	 */
+	@Factory
+	public static IsEqualToUser equalsToUser(User user) {
+		return new IsEqualToUser(user);
+	}
+	
+	/**
+	 * Factory method that returns a new {@link Matcher} that includes several
+	 * {@link IsEqualToUser} matchers, each one using an {@link Person} of the
+	 * provided ones as the expected value.
+	 * 
+	 * @param users the persons to be used as the expected values.
+	 * @return a new {@link Matcher} that includes several
+	 * {@link IsEqualToUser} matchers, each one using an {@link Person} of the
+	 * provided ones as the expected value.
+	 * @see IsEqualToEntity#containsEntityInAnyOrder(java.util.function.Function, Object...)
+	 */
+	@Factory
+	public static Matcher<Iterable<? extends User>> containsPeopleInAnyOrder(User ... users) {
+		return containsEntityInAnyOrder(IsEqualToUser::equalsToUser, users);
+	}
+
+}

src/test/java/es/uvigo/esei/daa/suites/IntegrationTestSuite.java

+package es.uvigo.esei.daa.suites;
+
+import org.junit.runner.RunWith;
+import org.junit.runners.Suite;
+import org.junit.runners.Suite.SuiteClasses;
+
+import es.uvigo.esei.daa.rest.PeopleResourceTest;
+import es.uvigo.esei.daa.rest.UsersResourceTest;
+
+@SuiteClasses({ 
+	PeopleResourceTest.class,
+	UsersResourceTest.class
+})
+@RunWith(Suite.class)
+public class IntegrationTestSuite {
+}

src/test/java/es/uvigo/esei/daa/suites/UnitTestSuite.java

+package es.uvigo.esei.daa.suites;
+
+import org.junit.runner.RunWith;
+import org.junit.runners.Suite;
+import org.junit.runners.Suite.SuiteClasses;
+
+import es.uvigo.esei.daa.entities.PersonUnitTest;
+
+@SuiteClasses({
+	PersonUnitTest.class
+})
+@RunWith(Suite.class)
+public class UnitTestSuite {
+}

src/test/resources/datasets/dataset.dtd

+<?xml version="1.0" encoding="UTF-8"?>
+<!ELEMENT dataset (people*, users*)>
+<!ELEMENT people EMPTY>
+<!ELEMENT users EMPTY>
+<!ATTLIST people
+    id CDATA #IMPLIED
+    name CDATA #IMPLIED
+    surname CDATA #IMPLIED
+>
+<!ATTLIST users
+    login CDATA #IMPLIED
+    password CDATA #IMPLIED
+    role CDATA #IMPLIED
+>

src/test/resources/db/hsqldb-drop.sql

+DROP TABLE People IF EXISTS;
+DROP TABLE Users IF EXISTS;