001 package org.apache.maven.scm.provider.cvslib.command.status;
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.util.ArrayList;
024 import java.util.List;
025
026 import org.apache.maven.scm.ScmFile;
027 import org.apache.maven.scm.ScmFileStatus;
028 import org.apache.maven.scm.log.ScmLogger;
029 import org.codehaus.plexus.util.StringUtils;
030 import org.codehaus.plexus.util.cli.StreamConsumer;
031
032 /**
033 * @author <a href="mailto:brett@apache.org">Brett Porter</a>
034 *
035 */
036 public class CvsStatusConsumer
037 implements StreamConsumer
038 {
039 private ScmLogger logger;
040
041 private File workingDirectory;
042
043 private List<ScmFile> changedFiles = new ArrayList<ScmFile>();
044
045 // ----------------------------------------------------------------------
046 //
047 // ----------------------------------------------------------------------
048
049 public CvsStatusConsumer( ScmLogger logger, File workingDirectory )
050 {
051 this.logger = logger;
052
053 this.workingDirectory = workingDirectory;
054 }
055
056 // ----------------------------------------------------------------------
057 // StreamConsumer Implementation
058 // ----------------------------------------------------------------------
059
060 /** {@inheritDoc} */
061 public void consumeLine( String line )
062 {
063 if ( logger.isDebugEnabled() )
064 {
065 logger.debug( line );
066 }
067
068 if ( line.length() < 3 )
069 {
070 if ( StringUtils.isNotEmpty( line ) )
071 {
072 if ( logger.isWarnEnabled() )
073 {
074 logger.warn( "Unable to parse output from command: line length must be bigger than 3. ("
075 + line + ")." );
076 }
077 }
078 return;
079 }
080
081 String statusString = line.substring( 0, 1 );
082
083 String file = line.substring( 2 );
084
085 ScmFileStatus status;
086
087 if ( statusString.equals( "A" ) )
088 {
089 status = ScmFileStatus.ADDED;
090 }
091 else if ( statusString.equals( "M" ) )
092 {
093 status = ScmFileStatus.MODIFIED;
094 }
095 else if ( statusString.equals( "D" ) )
096 {
097 status = ScmFileStatus.DELETED;
098 }
099 else if ( statusString.equals( "C" ) )
100 {
101 status = ScmFileStatus.CONFLICT;
102 }
103 else if ( statusString.equals( "?" ) )
104 {
105 status = ScmFileStatus.UNKNOWN;
106 }
107 else if ( statusString.equals( "U" ) || statusString.equals( "P" ) )
108 {
109 // skip remote changes
110 return;
111 }
112 else
113 {
114 if ( logger.isInfoEnabled() )
115 {
116 logger.info( "Unknown file status: '" + statusString + "'." );
117 }
118
119 return;
120 }
121
122 // If the file isn't a file; don't add it.
123 if ( !status.equals( ScmFileStatus.DELETED ) && !new File( workingDirectory, file ).isFile() )
124 {
125 return;
126 }
127
128 changedFiles.add( new ScmFile( file, status ) );
129 }
130
131 public List<ScmFile> getChangedFiles()
132 {
133 return changedFiles;
134 }
135 }