001package org.apache.maven.scm.provider.starteam.command.remove;
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 org.apache.maven.scm.ScmFile;
023import org.apache.maven.scm.ScmFileStatus;
024import org.apache.maven.scm.log.ScmLogger;
025import org.apache.maven.scm.provider.starteam.command.StarteamCommandLineUtils;
026import org.codehaus.plexus.util.cli.StreamConsumer;
027
028import java.io.File;
029import java.util.ArrayList;
030import java.util.List;
031
032/**
033 * @author <a href="mailto:dantran@gmail.com">Dan T. Tran</a>
034 *
035 */
036public class StarteamRemoveConsumer
037    implements StreamConsumer
038{
039    private ScmLogger logger;
040
041    private String workingDirectory;
042
043    /**
044     * the current directory entry being processed by the parser
045     */
046    private String currentDir;
047
048    private List<ScmFile> files = new ArrayList<ScmFile>();
049
050    /**
051     * Marks current directory data
052     */
053    private static final String DIR_MARKER = "(working dir: ";
054
055    /**
056     * Marks current file data
057     */
058    private static final String ADDED_MARKER = ": removed";
059
060    /**
061     * Marks current file data
062     */
063    private static final String LINKTO_MARKER = ": linked to";
064
065    public StarteamRemoveConsumer( ScmLogger logger, File basedir )
066    {
067        this.logger = logger;
068
069        this.workingDirectory = basedir.getPath().replace( '\\', '/' );
070    }
071
072    /** {@inheritDoc} */
073    public void consumeLine( String line )
074    {
075        if ( logger.isDebugEnabled() )
076        {
077            logger.debug( line );
078        }
079
080        int pos = 0;
081
082        if ( ( pos = line.indexOf( DIR_MARKER ) ) != -1 )
083        {
084            processDirectory( line, pos );
085        }
086        else if ( ( pos = line.indexOf( ADDED_MARKER ) ) != -1 )
087        {
088            processRemovedFile( line, pos );
089        }
090        else if ( ( pos = line.indexOf( LINKTO_MARKER ) ) != -1 )
091        {
092            //ignore
093        }
094        else
095        {
096            if ( logger.isWarnEnabled() )
097            {
098                logger.warn( "Unknown remove ouput: " + line );
099            }
100        }
101    }
102
103    public List<ScmFile> getRemovedFiles()
104    {
105        return files;
106    }
107
108    private void processDirectory( String line, int pos )
109    {
110        String dirPath = line.substring( pos + DIR_MARKER.length(), line.length() - 1 ).replace( '\\', '/' );
111
112        try
113        {
114            this.currentDir = StarteamCommandLineUtils.getRelativeChildDirectory( this.workingDirectory, dirPath );
115        }
116        catch ( IllegalStateException e )
117        {
118            String error = "Working and checkout directories are not on the same tree";
119
120            if ( logger.isErrorEnabled() )
121            {
122                logger.error( error );
123                logger.error( "Working directory: " + workingDirectory );
124                logger.error( "Checked out directory: " + dirPath );
125            }
126
127            throw new IllegalStateException( error );
128        }
129    }
130
131    private void processRemovedFile( String line, int pos )
132    {
133        String addedFilePath = this.currentDir + "/" + line.substring( 0, pos );
134
135        this.files.add( new ScmFile( addedFilePath, ScmFileStatus.DELETED ) );
136
137        if ( logger.isInfoEnabled() )
138        {
139            logger.info( "Removed: " + addedFilePath );
140        }
141    }
142
143}