001package org.apache.maven.toolchain.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
022import java.io.File;
023import java.io.IOException;
024import java.io.InputStream;
025import java.io.Reader;
026import java.util.Map;
027
028import javax.inject.Named;
029import javax.inject.Singleton;
030
031import org.apache.commons.lang3.Validate;
032import org.apache.maven.toolchain.model.PersistedToolchains;
033import org.apache.maven.toolchain.model.io.xpp3.MavenToolchainsXpp3Reader;
034import org.codehaus.plexus.util.IOUtil;
035import org.codehaus.plexus.util.ReaderFactory;
036import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
037
038/**
039 * Handles deserialization of toolchains from the default textual format.
040 *
041 * @author Robert Scholte
042 * @since 3.3.0
043 */
044@Named
045@Singleton
046public class DefaultToolchainsReader
047    implements ToolchainsReader
048{
049
050    @Override
051    public PersistedToolchains read( File input, Map<String, ?> options )
052        throws IOException
053    {
054        Validate.notNull( input, "input cannot be null" );
055
056        return read( ReaderFactory.newXmlReader( input ), options );
057    }
058
059    @Override
060    public PersistedToolchains read( Reader input, Map<String, ?> options )
061        throws IOException
062    {
063        Validate.notNull( input, "input cannot be null" );
064
065        try
066        {
067            MavenToolchainsXpp3Reader r = new MavenToolchainsXpp3Reader();
068            return r.read( input, isStrict( options ) );
069        }
070        catch ( XmlPullParserException e )
071        {
072            throw new ToolchainsParseException( e.getMessage(), e.getLineNumber(), e.getColumnNumber(), e );
073        }
074        finally
075        {
076            IOUtil.close( input );
077        }
078    }
079
080    @Override
081    public PersistedToolchains read( InputStream input, Map<String, ?> options )
082        throws IOException
083    {
084        Validate.notNull( input, "input cannot be null" );
085
086        try
087        {
088            MavenToolchainsXpp3Reader r = new MavenToolchainsXpp3Reader();
089            return r.read( input, isStrict( options ) );
090        }
091        catch ( XmlPullParserException e )
092        {
093            throw new ToolchainsParseException( e.getMessage(), e.getLineNumber(), e.getColumnNumber(), e );
094        }
095        finally
096        {
097            IOUtil.close( input );
098        }
099    }
100
101    private boolean isStrict( Map<String, ?> options )
102    {
103        Object value = ( options != null ) ? options.get( IS_STRICT ) : null;
104        return value == null || Boolean.parseBoolean( value.toString() );
105    }
106
107}