001package org.apache.maven.doxia.parser.module; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import java.util.Collection; 023import java.util.LinkedHashMap; 024import java.util.Map; 025 026import org.codehaus.plexus.component.annotations.Component; 027import org.codehaus.plexus.component.annotations.Requirement; 028 029/** 030 * Simple implementation of the ParserModuleManager interface. 031 * 032 * @since 1.6 033 */ 034@Component( role = ParserModuleManager.class ) 035public class DefaultParserModuleManager 036 implements ParserModuleManager 037{ 038 @SuppressWarnings( "MismatchedQueryAndUpdateOfCollection" ) 039 @Requirement( role = ParserModule.class ) 040 private Map<String, ParserModule> parserModules; 041 042 private Collection<ParserModule> parserModulesValues; 043 044 /** 045 * {@inheritDoc} 046 * 047 * @return a {@link java.util.Collection} object. 048 */ 049 public Collection<ParserModule> getParserModules() 050 { 051 if ( parserModulesValues == null ) 052 { 053 Map<Class<?>, ParserModule> parserModulesTmp = new LinkedHashMap<>(); 054 for ( ParserModule module : parserModules.values() ) 055 { 056 parserModulesTmp.put( module.getClass(), module ); 057 } 058 parserModulesValues = parserModulesTmp.values(); 059 } 060 061 return parserModulesValues; 062 } 063 064 /** {@inheritDoc} */ 065 public ParserModule getParserModule( String id ) 066 throws ParserModuleNotFoundException 067 { 068 ParserModule parserModule = parserModules.get( id ); 069 070 if ( parserModule == null ) 071 { 072 throw new ParserModuleNotFoundException( "Cannot find parser module id = " + id ); 073 } 074 075 return parserModule; 076 } 077}