package org.apache.maven.model.io;
/*
* 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 java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.util.Map;
import org.apache.maven.model.InputSource;
import org.apache.maven.model.Model;
import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
import org.apache.maven.model.io.xpp3.MavenXpp3ReaderEx;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.util.IOUtil;
import org.codehaus.plexus.util.ReaderFactory;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
/**
* Handles deserialization of a model from some kind of textual format like XML.
*
* @author Benjamin Bentmann
*/
@Component( role = ModelReader.class )
public class DefaultModelReader
implements ModelReader
{
public Model read( File input, Map<String, ?> options )
throws IOException
{
if ( input == null )
{
throw new IllegalArgumentException( "input file missing" );
}
Model model = read( new FileInputStream( input ), options );
model.setPomFile( input );
return model;
}
public Model read( Reader input, Map<String, ?> options )
throws IOException
{
if ( input == null )
{
throw new IllegalArgumentException( "input reader missing" );
}
try
{
return read( input, isStrict( options ), getSource( options ) );
}
finally
{
IOUtil.close( input );
}
}
public Model read( InputStream input, Map<String, ?> options )
throws IOException
{
if ( input == null )
{
throw new IllegalArgumentException( "input stream missing" );
}
try
{
return read( ReaderFactory.newXmlReader( input ), isStrict( options ), getSource( options ) );
}
finally
{
IOUtil.close( input );
}
}
private boolean isStrict( Map<String, ?> options )
{
Object value = ( options != null ) ? options.get( IS_STRICT ) : null;
return value == null || Boolean.parseBoolean( value.toString() );
}
private InputSource getSource( Map<String, ?> options )
{
Object value = ( options != null ) ? options.get( INPUT_SOURCE ) : null;
return (InputSource) value;
}
private Model read( Reader reader, boolean strict, InputSource source )
throws IOException
{
try
{
if ( source != null )
{
return new MavenXpp3ReaderEx().read( reader, strict, source );
}
else
{
return new MavenXpp3Reader().read( reader, strict );
}
}
catch ( XmlPullParserException e )
{
throw new ModelParseException( e.getMessage(), e.getLineNumber(), e.getColumnNumber(), e );
}
}
}