001package org.apache.maven.scm.provider.accurev.cli;
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.util.List;
023import java.util.Map;
024
025import org.apache.maven.scm.log.ScmLogger;
026import org.apache.maven.scm.provider.accurev.FileDifference;
027
028public class DiffConsumer
029    extends XppStreamConsumer
030{
031
032    private List<FileDifference> results;
033
034    private FileDifference currentDifference;
035
036    public DiffConsumer( ScmLogger logger, List<FileDifference> results )
037    {
038        super( logger );
039        this.results = results;
040    }
041
042    @Override
043    protected void startTag( List<String> tagPath, Map<String, String> attributes )
044    {
045        String tagName = getTagName( tagPath );
046        if ( "Element".equals( tagName ) )
047        {
048            currentDifference = new FileDifference();
049        }
050        else if ( "Stream2".equals( tagName ) && attributes.get( "Name" ) != null)
051        {
052            currentDifference.setElementId( Long.parseLong( attributes.get( "eid" ) ) );
053            currentDifference.setNewVersion( attributes.get( "Name" ), attributes.get( "Version" ) );
054        }
055        else if ( "Stream1".equals( tagName ) && attributes.get( "Name" ) != null )
056        {
057            currentDifference.setElementId( Long.parseLong( attributes.get( "eid" ) ) );
058            currentDifference.setOldVersion( attributes.get( "Name" ), attributes.get( "Version" ) );
059        }
060
061    }
062
063    @Override
064    protected void endTag( List<String> tagPath )
065    {
066        String tagName = getTagName( tagPath );
067        if ( "Element".equals( tagName ) )
068        {
069            if (currentDifference.getNewFile() != null || currentDifference.getOldFile() != null) {
070                results.add( currentDifference );
071            }
072        }
073    }
074
075}