| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| PipelineSink |
|
| 1.25;1,25 |
| 1 | package org.apache.maven.doxia.sink; | |
| 2 | ||
| 3 | /* | |
| 4 | * Licensed to the Apache Software Foundation (ASF) under one | |
| 5 | * or more contributor license agreements. See the NOTICE file | |
| 6 | * distributed with this work for additional information | |
| 7 | * regarding copyright ownership. The ASF licenses this file | |
| 8 | * to you under the Apache License, Version 2.0 (the | |
| 9 | * "License"); you may not use this file except in compliance | |
| 10 | * with the License. You may obtain a copy of the License at | |
| 11 | * | |
| 12 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 13 | * | |
| 14 | * Unless required by applicable law or agreed to in writing, | |
| 15 | * software distributed under the License is distributed on an | |
| 16 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| 17 | * KIND, either express or implied. See the License for the | |
| 18 | * specific language governing permissions and limitations | |
| 19 | * under the License. | |
| 20 | */ | |
| 21 | ||
| 22 | import java.lang.reflect.InvocationHandler; | |
| 23 | import java.lang.reflect.InvocationTargetException; | |
| 24 | import java.lang.reflect.Method; | |
| 25 | import java.lang.reflect.Proxy; | |
| 26 | ||
| 27 | import java.util.List; | |
| 28 | ||
| 29 | /** | |
| 30 | * May be used to invoke the same method on a List of Sinks. | |
| 31 | * | |
| 32 | * @author <a href="mailto:trygvis@inamo.no">Trygve Laugstøl</a> | |
| 33 | * @version $Id: PipelineSink.java 1185112 2011-10-17 11:33:00Z ltheussl $ | |
| 34 | */ | |
| 35 | public class PipelineSink | |
| 36 | implements InvocationHandler | |
| 37 | { | |
| 38 | private List<Sink> pipeline; | |
| 39 | ||
| 40 | /** | |
| 41 | * Constructs a PipelineSink for a given List of Sinks. | |
| 42 | * | |
| 43 | * @param pipeline A List of Sinks. | |
| 44 | */ | |
| 45 | public PipelineSink( List<Sink> pipeline ) | |
| 46 | 0 | { |
| 47 | 0 | this.pipeline = pipeline; |
| 48 | 0 | } |
| 49 | ||
| 50 | /** | |
| 51 | * Add a Sink to the List of Sinks. | |
| 52 | * | |
| 53 | * @param sink the Sink to add. | |
| 54 | */ | |
| 55 | public void addSink( Sink sink ) | |
| 56 | { | |
| 57 | 0 | pipeline.add( sink ); |
| 58 | 0 | } |
| 59 | ||
| 60 | /** | |
| 61 | * {@inheritDoc} | |
| 62 | * | |
| 63 | * Invoke a Method on this PipelineSink. | |
| 64 | * | |
| 65 | * @throws IllegalAccessException if any. | |
| 66 | * @throws InvocationTargetException if any. | |
| 67 | */ | |
| 68 | public Object invoke( Object proxy, Method method, Object[] args ) | |
| 69 | throws IllegalAccessException, InvocationTargetException | |
| 70 | { | |
| 71 | 0 | for ( Sink sink : pipeline ) |
| 72 | { | |
| 73 | 0 | method.invoke( sink, args ); |
| 74 | } | |
| 75 | ||
| 76 | 0 | return null; |
| 77 | } | |
| 78 | ||
| 79 | /** | |
| 80 | * Returns an instance of a PipelineSink as a Sink. | |
| 81 | * | |
| 82 | * @param pipeline A List of Sinks. | |
| 83 | * @return a {@link org.apache.maven.doxia.sink.Sink} object. | |
| 84 | */ | |
| 85 | public static Sink newInstance( List<Sink> pipeline ) | |
| 86 | { | |
| 87 | 0 | return (Sink) Proxy.newProxyInstance( PipelineSink.class.getClassLoader(), |
| 88 | new Class<?>[]{Sink.class}, | |
| 89 | new PipelineSink( pipeline ) ); | |
| 90 | } | |
| 91 | } |