| /* |
| * 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 java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.wicket.behavior.AbstractHeaderContributor; |
| import org.apache.wicket.markup.html.IHeaderContributor; |
| |
| /** |
| * Composite behavior which collects other resources. |
| */ |
| public abstract class CompositeHeaderContributor extends AbstractHeaderContributor { |
| |
| private static final long serialVersionUID = 1L; |
| |
| private IHeaderContributor[] contributors; |
| |
| protected CompositeHeaderContributor(IHeaderContributor ...contributors) { |
| this.contributors = contributors; |
| } |
| |
| protected abstract IHeaderContributor[] getOwnHeaderContributors(); |
| |
| @Override |
| public final IHeaderContributor[] getHeaderContributors() { |
| List<IHeaderContributor> merge = new ArrayList<IHeaderContributor>(); |
| Collections.addAll(merge, contributors); |
| Collections.addAll(merge, getOwnHeaderContributors()); |
| return merge.toArray(new IHeaderContributor[merge.size()]); |
| } |
| |
| } |