| /* |
| * 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.karaf.webconsole.core.behavior; |
| |
| 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; |
| |
| /** |
| * Composite behavior which collects other resources. |
| */ |
| public abstract class CompositeBehavior extends Behavior { |
| |
| private static final long serialVersionUID = 1L; |
| private Behavior[] behaviors; |
| |
| protected CompositeBehavior(Behavior ... behaviors) { |
| this.behaviors = behaviors; |
| } |
| |
| protected abstract ResourceReference[] getResourceReferences(); |
| |
| @Override |
| public void renderHead(Component component, IHeaderResponse response) { |
| for (Behavior behavior : behaviors) { |
| behavior.renderHead(component, response); |
| } |
| |
| for (ResourceReference reference : getResourceReferences()) { |
| if (reference instanceof JavaScriptResourceReference) { |
| response.render(JavaScriptHeaderItem.forReference(reference)); |
| } else if (reference instanceof CssResourceReference) { |
| response.render(CssHeaderItem.forReference(reference)); |
| } else { |
| throw new IllegalArgumentException("Unknown type of resource reference " + reference); |
| } |
| } |
| } |
| |
| } |