Java tutorial
package org.gwtbootstrap3.extras.notify.client; /* * #%L * GwtBootstrap3 * %% * Copyright (C) 2013 - 2015 GwtBootstrap3 * %% * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * #L% */ import com.google.gwt.core.client.EntryPoint; import com.google.gwt.core.client.ScriptInjector; public class NotifyEntryPoint implements EntryPoint { @Override public void onModuleLoad() { if (!isNotifyLoaded()) { ScriptInjector.fromString(NotifyClientBundle.INSTANCE.notifyJS().getText()) .setWindow(ScriptInjector.TOP_WINDOW).inject(); } } /** * Check if notify is already loaded. * * @return <code>true</code> if notify is loaded, <code>false</code> otherwise */ private native boolean isNotifyLoaded() /*-{ if ($wnd.jQuery && $wnd.jQuery.notify) { return true; } else { return false; } }-*/; }