001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2009 SonarSource SA
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     */
020    package org.sonar.api.web.gwt.client.webservices;
021    
022    import org.sonar.api.web.gwt.client.Utils;
023    import org.sonar.api.web.gwt.client.widgets.LoadingLabel;
024    
025    public abstract class BaseQueryCallback<P extends ResponsePOJO> implements QueryCallBack<P> {
026    
027      private LoadingLabel loading;
028    
029      public BaseQueryCallback() {
030        this(null);
031      }
032    
033      public BaseQueryCallback(LoadingLabel loading) {
034        super();
035        this.loading = loading;
036      }
037    
038      public void onError(int errorCode, String errorMessage) {
039        Utils.showError("Error received from server : " + errorCode + " - " + errorMessage);
040        if (loading != null) {
041          loading.removeFromParent();
042        }
043      }
044    
045      public void onTimeout() {
046        Utils.showWarning("JSON query response timeout");
047        if (loading != null) {
048          loading.removeFromParent();
049        }
050      }
051    
052    }