org.jugvale.peoplemanagement.client.service.RESTPersonService.java Source code

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Here is the source code for org.jugvale.peoplemanagement.client.service.RESTPersonService.java

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package org.jugvale.peoplemanagement.client.service;

import java.util.List;
import java.util.function.Consumer;
import javax.ws.rs.client.Entity;
import javax.ws.rs.core.GenericType;
import javax.ws.rs.core.Response;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.Credentials;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.jboss.resteasy.client.jaxrs.ResteasyClient;
import org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder;
import org.jboss.resteasy.client.jaxrs.engines.ApacheHttpClient4Engine;
import org.jugvale.peoplemanagement.client.model.Person;

/**
 *
 * @author william
 */
public class RESTPersonService extends PersonService {

    final String BASE_URL = "http://people-fxapps.rhcloud.com/people-management/rest/person/";
    final String username = "restadmin";
    final String password = "restadmin123!";
    final private String MEDIA_TYPE = "application/json";

    // The JAX-RS 2 client to perform HTTP Requests
    ResteasyClient client;

    public RESTPersonService() {
        super();
        createClient();
    }

    @Override
    public String save(Person p) {

        Entity<Person> personEntity = Entity.entity(p, MEDIA_TYPE);
        Response r = client.target(BASE_URL).request(MEDIA_TYPE).post(personEntity);
        if (r.getStatus() != 201) {
            return "Error saving person with RFID " + p.getRfid() + ". Check if it already exists.";
        } else {
            return "New Person created with sucess";
        }

    }

    @Override
    public List<Person> listAll() {
        return client.target(BASE_URL).request(MEDIA_TYPE).get(new GenericType<List<Person>>() {
        });
    }

    @Override
    public String remove(long id) {
        client.target(BASE_URL).path(String.valueOf(id)).request().delete();
        return "Person with id " + id + " removed with success";
    }

    @Override
    public Person get(String rfid) {
        return client.target(BASE_URL).path("rfid").path(rfid).request(MEDIA_TYPE).get(Person.class);
    }

    private void createClient() {
        Credentials credentials = new UsernamePasswordCredentials(username, password);
        DefaultHttpClient httpClient = new DefaultHttpClient(new ThreadSafeClientConnManager());
        httpClient.getCredentialsProvider().setCredentials(new AuthScope(AuthScope.ANY_HOST, AuthScope.ANY_PORT),
                credentials);
        client = new ResteasyClientBuilder().httpEngine(new ApacheHttpClient4Engine(httpClient)).build();
    }

    private void handle(java.lang.RuntimeException e, Consumer<String> onFail) {
        e.printStackTrace();
        onFail.accept("Error: " + e.getMessage() + "; Exception: " + e.getClass().getSimpleName());
    }

}