Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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. */ package org.apache.wicket.markup.html; import org.apache.wicket.Component; import org.apache.wicket.model.IModel; import org.apache.wicket.protocol.http.WebApplication; import org.apache.wicket.protocol.http.WebSession; import org.apache.wicket.request.http.WebRequest; import org.apache.wicket.request.http.WebResponse; /** * Base class for simple HTML components which do not hold nested components. If you need to support * nested components, see WebMarkupContainer or use Panel if the component will have its own * associated markup. * * @see org.apache.wicket.markup.html.WebMarkupContainer * * @author Jonathan Locke * @author Juergen Donnerstag * @author Eelco Hillenius */ public class WebComponent extends Component { private static final long serialVersionUID = 1L; /** * @see Component#Component(String) */ public WebComponent(final String id) { super(id); } /** * @see Component#Component(String, IModel) */ public WebComponent(final String id, final IModel<?> model) { super(id, model); } @Override protected void onRender() { internalRenderComponent(); } /** * A convenience method to return the WebPage. Same as getPage(). * * @return WebPage */ public final WebPage getWebPage() { return (WebPage) getPage(); } /** * A convenience method to return the current WebRequest. Same as {@link org.apache.wicket.Component#getRequest()}. * * @return the current WebRequest */ public final WebRequest getWebRequest() { return (WebRequest) getRequest(); } /** * A convenience method to return the current WebResponse. Same as {@link org.apache.wicket.Component#getResponse()}. * * @return the current WebResponse */ public final WebResponse getWebResponse() { return (WebResponse) getResponse(); } /** * A convenience method to return the WebSession. Same as {@link org.apache.wicket.Component#getSession()} . * * @return the current WebSession */ public final WebSession getWebSession() { return WebSession.get(); } /** * A convenience method to return the WebApplication. Same as {@link WebApplication#get()}. * * @return the current WebApplication */ public final WebApplication getWebApplication() { return WebApplication.get(); } }