de.egore911.opengate.services.FactionService.java Source code

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Here is the source code for de.egore911.opengate.services.FactionService.java

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/*
 * Copyright (c) 2013 Christoph Brill
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package de.egore911.opengate.services;

import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.persistence.EntityManager;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;

import com.google.appengine.labs.repackaged.org.json.JSONArray;
import com.google.appengine.labs.repackaged.org.json.JSONException;
import com.google.appengine.labs.repackaged.org.json.JSONObject;

import de.egore911.opengate.EntityManagerFilter;
import de.egore911.opengate.annotation.Documentation;
import de.egore911.opengate.model.Faction;

@Path("/faction")
@Documentation("Provides REST+JSON access to factions")
public class FactionService {

    private static final Logger LOG = Logger.getLogger(FactionService.class.getName());

    @GET
    @Path("/list")
    @Produces("application/json")
    @Documentation("Returns a list of factions in the format [{id, name},{id, name}]")
    public Response list() {
        JSONArray jsonArray = new JSONArray();
        EntityManager em = EntityManagerFilter.getEntityManager();
        List<Faction> factions = em.createQuery("select faction from Faction faction order by name")
                .getResultList();
        try {
            for (Faction faction : factions) {
                JSONObject jsonObject = new JSONObject();
                jsonObject.put("name", faction.getName());
                jsonObject.put("id", faction.getKey().getId());
                jsonArray.put(jsonObject);
            }
            return Response.ok(jsonArray.toString()).build();
        } catch (JSONException e) {
            LOG.log(Level.SEVERE, e.getMessage(), e);
            return Response.status(Status.INTERNAL_SERVER_ERROR).build();
        }
    }
}