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.openmeetings.web.util; import org.apache.wicket.Component; import org.apache.wicket.behavior.Behavior; import org.apache.wicket.markup.head.CssHeaderItem; import org.apache.wicket.markup.head.IHeaderResponse; import org.apache.wicket.markup.head.JavaScriptHeaderItem; import org.apache.wicket.request.resource.CssResourceReference; import org.apache.wicket.request.resource.JavaScriptResourceReference; import org.apache.wicket.request.resource.ResourceReference; public class BootstrapFileUploadBehavior extends Behavior { private static final long serialVersionUID = 1L; private final static ResourceReference BOOTSTRAP_FILEINPUT_JS_REFERENCE = new JavaScriptResourceReference( BootstrapFileUploadBehavior.class, "fileinput.js"); private final static ResourceReference BOOTSTRAP_FILEINPUT_CSS_REFERENCE = new CssResourceReference( BootstrapFileUploadBehavior.class, "fileinput.css"); public final static BootstrapFileUploadBehavior INSTANCE = new BootstrapFileUploadBehavior(); private BootstrapFileUploadBehavior() { } @Override public void renderHead(Component component, IHeaderResponse response) { super.renderHead(component, response); response.render(JavaScriptHeaderItem.forReference(BOOTSTRAP_FILEINPUT_JS_REFERENCE)); response.render(CssHeaderItem.forReference(BOOTSTRAP_FILEINPUT_CSS_REFERENCE)); } }