| package org.apache.maven.doxia.util; |
| |
| /* |
| * 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. |
| */ |
| |
| import org.apache.maven.doxia.UnsupportedFormatException; |
| import org.apache.maven.doxia.parser.Parser; |
| import org.apache.maven.doxia.sink.SinkFactory; |
| import org.codehaus.plexus.PlexusContainer; |
| import org.codehaus.plexus.component.repository.exception.ComponentLookupException; |
| |
| /** |
| * Utility class to play with Doxia objects. |
| * |
| * @author <a href="mailto:vincent.siveton@gmail.com">Vincent Siveton</a> |
| */ |
| public class ConverterUtil |
| { |
| /** |
| * @param plexus not null |
| * @param format not null |
| * @param supportedFormats not null |
| * @return an instance of <code>Parser</code> depending on the format. |
| * @throws ComponentLookupException if could not find the Parser for the given format. |
| * @throws UnsupportedFormatException if the found parser is not instantiated. |
| * @throws IllegalArgumentException if any parameter is null |
| */ |
| public static Parser getParser( PlexusContainer plexus, String format, String[] supportedFormats ) |
| throws ComponentLookupException, UnsupportedFormatException |
| { |
| if ( plexus == null ) |
| { |
| throw new IllegalArgumentException( "plexus is required" ); |
| } |
| |
| if ( format == null ) |
| { |
| throw new IllegalArgumentException( "format is required" ); |
| } |
| |
| if ( supportedFormats == null ) |
| { |
| throw new IllegalArgumentException( "supportedFormats is required" ); |
| } |
| |
| Parser parser = null; |
| |
| for ( int i = 0; i < supportedFormats.length; i++ ) |
| { |
| if ( format.equalsIgnoreCase( supportedFormats[i] ) ) |
| { |
| parser = (Parser) plexus.lookup( Parser.ROLE, format ); |
| } |
| } |
| |
| if ( parser == null ) |
| { |
| throw new UnsupportedFormatException( format, supportedFormats ); |
| } |
| |
| return parser; |
| } |
| |
| /** |
| * @param plexus not null |
| * @param format not null |
| * @param supportedFormats not null |
| * @return an instance of <code>SinkFactory</code> depending on the given format. |
| * @throws ComponentLookupException if could not find the SinkFactory for the given format. |
| * @throws UnsupportedFormatException if the found sink is not instantiated. |
| * @throws IllegalArgumentException if any parameter is null |
| */ |
| public static SinkFactory getSinkFactory( PlexusContainer plexus, String format, String[] supportedFormats ) |
| throws ComponentLookupException, UnsupportedFormatException |
| { |
| if ( plexus == null ) |
| { |
| throw new IllegalArgumentException( "plexus is required" ); |
| } |
| |
| if ( format == null ) |
| { |
| throw new IllegalArgumentException( "format is required" ); |
| } |
| |
| if ( supportedFormats == null ) |
| { |
| throw new IllegalArgumentException( "supportedFormats is required" ); |
| } |
| |
| SinkFactory factory = null; |
| |
| for ( int i = 0; i < supportedFormats.length; i++ ) |
| { |
| if ( format.equalsIgnoreCase( supportedFormats[i] ) ) |
| { |
| factory = (SinkFactory) plexus.lookup( SinkFactory.ROLE, format ); |
| } |
| } |
| |
| if ( factory == null ) |
| { |
| throw new UnsupportedFormatException( format, supportedFormats ); |
| } |
| |
| return factory; |
| } |
| } |