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.FileInputStream; 024 import java.io.IOException; 025 import java.io.InputStream; 026 import java.io.Reader; 027 import java.util.Map; 028 029 import org.apache.maven.model.InputSource; 030 import org.apache.maven.model.Model; 031 import org.apache.maven.model.io.xpp3.MavenXpp3Reader; 032 import org.apache.maven.model.io.xpp3.MavenXpp3ReaderEx; 033 import org.codehaus.plexus.component.annotations.Component; 034 import org.codehaus.plexus.util.IOUtil; 035 import org.codehaus.plexus.util.ReaderFactory; 036 import org.codehaus.plexus.util.xml.pull.XmlPullParserException; 037 038 /** 039 * Handles deserialization of a model from some kind of textual format like XML. 040 * 041 * @author Benjamin Bentmann 042 */ 043 @Component( role = ModelReader.class ) 044 public class DefaultModelReader 045 implements ModelReader 046 { 047 048 public Model read( File input, Map<String, ?> options ) 049 throws IOException 050 { 051 if ( input == null ) 052 { 053 throw new IllegalArgumentException( "input file missing" ); 054 } 055 056 Model model = read( new FileInputStream( input ), options ); 057 058 model.setPomFile( input ); 059 060 return model; 061 } 062 063 public Model read( Reader input, Map<String, ?> options ) 064 throws IOException 065 { 066 if ( input == null ) 067 { 068 throw new IllegalArgumentException( "input reader missing" ); 069 } 070 071 try 072 { 073 return read( input, isStrict( options ), getSource( options ) ); 074 } 075 finally 076 { 077 IOUtil.close( input ); 078 } 079 } 080 081 public Model read( InputStream input, Map<String, ?> options ) 082 throws IOException 083 { 084 if ( input == null ) 085 { 086 throw new IllegalArgumentException( "input stream missing" ); 087 } 088 089 try 090 { 091 return read( ReaderFactory.newXmlReader( input ), isStrict( options ), getSource( options ) ); 092 } 093 finally 094 { 095 IOUtil.close( input ); 096 } 097 } 098 099 private boolean isStrict( Map<String, ?> options ) 100 { 101 Object value = ( options != null ) ? options.get( IS_STRICT ) : null; 102 return value == null || Boolean.parseBoolean( value.toString() ); 103 } 104 105 private InputSource getSource( Map<String, ?> options ) 106 { 107 Object value = ( options != null ) ? options.get( INPUT_SOURCE ) : null; 108 return (InputSource) value; 109 } 110 111 private Model read( Reader reader, boolean strict, InputSource source ) 112 throws IOException 113 { 114 try 115 { 116 if ( source != null ) 117 { 118 return new MavenXpp3ReaderEx().read( reader, strict, source ); 119 } 120 else 121 { 122 return new MavenXpp3Reader().read( reader, strict ); 123 } 124 } 125 catch ( XmlPullParserException e ) 126 { 127 throw new ModelParseException( e.getMessage(), e.getLineNumber(), e.getColumnNumber(), e ); 128 } 129 } 130 131 }