| /*- |
| * 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.sling.dynamicinclude.generator; |
| |
| import java.util.Set; |
| import java.util.concurrent.CopyOnWriteArraySet; |
| |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.ReferencePolicy; |
| import org.apache.felix.scr.annotations.Service; |
| |
| /** |
| * Service that provides include generator of given type. |
| */ |
| |
| @Component |
| @Service(IncludeGeneratorWhiteboard.class) |
| public class IncludeGeneratorWhiteboard { |
| |
| @Reference(referenceInterface = IncludeGenerator.class, cardinality = ReferenceCardinality.MANDATORY_MULTIPLE, policy = ReferencePolicy.DYNAMIC) |
| private Set<IncludeGenerator> generators = new CopyOnWriteArraySet<IncludeGenerator>(); |
| |
| public IncludeGenerator getGenerator(String type) { |
| for (IncludeGenerator generator : generators) { |
| if (type.equals(generator.getType())) { |
| return generator; |
| } |
| } |
| return null; |
| } |
| |
| void bindGenerators(IncludeGenerator generator) { |
| generators.add(generator); |
| } |
| |
| void unbindGenerators(IncludeGenerator generator) { |
| generators.remove(generator); |
| } |
| |
| } |