001/*
002 * Sonar, open source software quality management tool.
003 * Copyright (C) 2008-2012 SonarSource
004 * mailto:contact AT sonarsource DOT com
005 *
006 * Sonar is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 3 of the License, or (at your option) any later version.
010 *
011 * Sonar is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014 * Lesser General Public License for more details.
015 *
016 * You should have received a copy of the GNU Lesser General Public
017 * License along with Sonar; if not, write to the Free Software
018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019 */
020package org.sonar.wsclient.gwt;
021
022import com.google.gwt.core.client.JavaScriptObject;
023import com.google.gwt.i18n.client.Dictionary;
024import com.google.gwt.json.client.JSONObject;
025import org.sonar.gwt.JsonUtils;
026import org.sonar.wsclient.services.Model;
027import org.sonar.wsclient.services.Query;
028import org.sonar.wsclient.services.WSUtils;
029import org.sonar.wsclient.unmarshallers.Unmarshaller;
030import org.sonar.wsclient.unmarshallers.Unmarshallers;
031
032public class Sonar {
033  static {
034    WSUtils.setInstance(new GwtUtils());
035  }
036
037  private static Sonar instance = null;
038
039  private final String host;
040
041  public Sonar(String host) {
042    this.host = host;
043  }
044
045  /**
046   * To be used in Sonar extensions only, else use constructors.
047   */
048  public static Sonar getInstance() {
049    if (instance == null) {
050      Dictionary dic = Dictionary.getDictionary("config");
051      instance = new Sonar(dic.get("sonar_url"));
052    }
053    return instance;
054  }
055
056  public <MODEL extends Model> void find(final Query<MODEL> query, final Callback<MODEL> callback) {
057    JsonUtils.requestJson(getUrl(query), new JsonUtils.JSONHandler() {
058      public void onResponse(JavaScriptObject obj) {
059        Unmarshaller<MODEL> unmarshaller = Unmarshallers.forModel(query.getModelClass());
060        String json = (new JSONObject(obj)).toString();
061        callback.onResponse(unmarshaller.toModel(json), obj);
062      }
063
064      public void onTimeout() {
065        callback.onTimeout();
066      }
067
068      public void onError(int errorCode, String errorMessage) {
069        callback.onError(errorCode, errorMessage);
070      }
071    });
072  }
073
074  public <MODEL extends Model> void findAll(final Query<MODEL> query, final ListCallback<MODEL> callback) {
075    JsonUtils.requestJson(getUrl(query), new JsonUtils.JSONHandler() {
076      public void onResponse(JavaScriptObject obj) {
077        Unmarshaller<MODEL> unmarshaller = Unmarshallers.forModel(query.getModelClass());
078        String json = (new JSONObject(obj)).toString();
079        callback.onResponse(unmarshaller.toModels(json), obj);
080      }
081
082      public void onTimeout() {
083        callback.onTimeout();
084      }
085
086      public void onError(int errorCode, String errorMessage) {
087        callback.onError(errorCode, errorMessage);
088      }
089    });
090  }
091
092  private String getUrl(Query query) {
093    return host + query.getUrl();
094  }
095}