001 package org.apache.maven.model.io; 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 */ 021 022 import java.io.File; 023 import java.io.IOException; 024 import java.io.OutputStream; 025 import java.io.OutputStreamWriter; 026 import java.io.Writer; 027 import java.util.Map; 028 029 import org.apache.maven.model.Model; 030 import org.apache.maven.model.io.xpp3.MavenXpp3Writer; 031 import org.codehaus.plexus.component.annotations.Component; 032 import org.codehaus.plexus.util.IOUtil; 033 import org.codehaus.plexus.util.WriterFactory; 034 035 /** 036 * Handles serialization of a model into some kind of textual format like XML. 037 * 038 * @author Benjamin Bentmann 039 */ 040 @Component( role = ModelWriter.class ) 041 public class DefaultModelWriter 042 implements ModelWriter 043 { 044 045 public void write( File output, Map<String, Object> options, Model model ) 046 throws IOException 047 { 048 if ( output == null ) 049 { 050 throw new IllegalArgumentException( "output file missing" ); 051 } 052 053 if ( model == null ) 054 { 055 throw new IllegalArgumentException( "model missing" ); 056 } 057 058 output.getParentFile().mkdirs(); 059 060 write( WriterFactory.newXmlWriter( output ), options, model ); 061 } 062 063 public void write( Writer output, Map<String, Object> options, Model model ) 064 throws IOException 065 { 066 if ( output == null ) 067 { 068 throw new IllegalArgumentException( "output writer missing" ); 069 } 070 071 if ( model == null ) 072 { 073 throw new IllegalArgumentException( "model missing" ); 074 } 075 076 try 077 { 078 MavenXpp3Writer w = new MavenXpp3Writer(); 079 w.write( output, model ); 080 } 081 finally 082 { 083 IOUtil.close( output ); 084 } 085 } 086 087 public void write( OutputStream output, Map<String, Object> options, Model model ) 088 throws IOException 089 { 090 if ( output == null ) 091 { 092 throw new IllegalArgumentException( "output stream missing" ); 093 } 094 095 if ( model == null ) 096 { 097 throw new IllegalArgumentException( "model missing" ); 098 } 099 100 try 101 { 102 String encoding = model.getModelEncoding(); 103 if ( encoding == null || encoding.length() <= 0 ) 104 { 105 encoding = "UTF-8"; 106 } 107 write( new OutputStreamWriter( output, encoding ), options, model ); 108 } 109 finally 110 { 111 IOUtil.close( output ); 112 } 113 } 114 115 }