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.wsclient.gwt; 021 022 import com.google.gwt.core.client.JavaScriptObject; 023 import com.google.gwt.user.client.ui.Widget; 024 import org.sonar.wsclient.services.Model; 025 026 import java.util.List; 027 028 public abstract class AbstractListCallback<MODEL extends Model> implements ListCallback<MODEL> { 029 030 private Widget loadingWidget = null; 031 032 protected AbstractListCallback(Widget loadingWidget) { 033 this.loadingWidget = loadingWidget; 034 } 035 036 protected AbstractListCallback() { 037 } 038 039 public void onResponse(List<MODEL> result, JavaScriptObject json) { 040 hideLoadingWidget(); 041 doOnResponse(result); 042 } 043 044 protected abstract void doOnResponse(List<MODEL> result); 045 046 public final void onTimeout() { 047 doOnTimeout(); 048 hideLoadingWidget(); 049 } 050 051 public final void onError(int errorCode, String errorMessage) { 052 doOnError(errorCode, errorMessage); 053 hideLoadingWidget(); 054 } 055 056 protected void doOnError(int errorCode, String errorMessage) { 057 058 } 059 060 protected void doOnTimeout() { 061 062 } 063 064 private void hideLoadingWidget() { 065 if (loadingWidget != null) { 066 loadingWidget.removeFromParent(); 067 } 068 } 069 }