001 package org.apache.maven.scm.provider.starteam.command.diff;
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 org.apache.maven.scm.ScmException;
023 import org.apache.maven.scm.ScmFileSet;
024 import org.apache.maven.scm.ScmVersion;
025 import org.apache.maven.scm.command.diff.AbstractDiffCommand;
026 import org.apache.maven.scm.command.diff.DiffScmResult;
027 import org.apache.maven.scm.provider.ScmProviderRepository;
028 import org.apache.maven.scm.provider.starteam.command.StarteamCommand;
029 import org.apache.maven.scm.provider.starteam.command.StarteamCommandLineUtils;
030 import org.apache.maven.scm.provider.starteam.repository.StarteamScmProviderRepository;
031 import org.codehaus.plexus.util.StringUtils;
032 import org.codehaus.plexus.util.cli.CommandLineUtils;
033 import org.codehaus.plexus.util.cli.Commandline;
034
035 import java.util.ArrayList;
036 import java.util.List;
037
038 /**
039 * @author <a href="mailto:dantran@gmail.com">Dan T. Tran</a>
040 * @version $Id: StarteamDiffCommand.java 1054754 2011-01-03 21:15:57Z olamy $
041 */
042 public class StarteamDiffCommand
043 extends AbstractDiffCommand
044 implements StarteamCommand
045 {
046 // ----------------------------------------------------------------------
047 // AbstractDiffCommand Implementation
048 // ----------------------------------------------------------------------
049
050 /** {@inheritDoc} */
051 protected DiffScmResult executeDiffCommand( ScmProviderRepository repo, ScmFileSet fileSet, ScmVersion startVersion,
052 ScmVersion endVersion )
053 throws ScmException
054 {
055 if ( getLogger().isInfoEnabled() )
056 {
057 getLogger().info( "Working directory: " + fileSet.getBasedir().getAbsolutePath() );
058 }
059
060 if ( fileSet.getFileList().isEmpty() )
061 {
062 throw new ScmException( "This provider doesn't support diff command on a subsets of a directory" );
063 }
064
065 StarteamScmProviderRepository repository = (StarteamScmProviderRepository) repo;
066
067 StarteamDiffConsumer consumer = new StarteamDiffConsumer( getLogger(), fileSet.getBasedir() );
068
069 CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
070
071 Commandline cl = createCommandLine( repository, fileSet, startVersion, endVersion );
072
073 int exitCode = StarteamCommandLineUtils.executeCommandline( cl, consumer, stderr, getLogger() );
074
075 if ( exitCode != 0 )
076 {
077 return new DiffScmResult( cl.toString(), "The starteam command failed.", stderr.getOutput(), false );
078 }
079
080 return new DiffScmResult( cl.toString(), consumer.getChangedFiles(), consumer.getDifferences(),
081 consumer.getPatch() );
082 }
083
084 // ----------------------------------------------------------------------
085 //
086 // ----------------------------------------------------------------------
087
088 public static Commandline createCommandLine( StarteamScmProviderRepository repo, ScmFileSet workingDirectory,
089 ScmVersion startLabel, ScmVersion endLabel )
090 throws ScmException
091 {
092
093 List<String> args = new ArrayList<String>();
094
095 args.add( "-filter" );
096 args.add( "M" );
097
098 if ( startLabel != null && StringUtils.isNotEmpty( startLabel.getName() ) )
099 {
100 args.add( "-vl" );
101
102 args.add( startLabel.getName() );
103 }
104
105 if ( endLabel != null && StringUtils.isNotEmpty( endLabel.getName() ) )
106 {
107 args.add( "-vl" );
108
109 args.add( endLabel.getName() );
110 }
111
112 if ( endLabel != null && ( startLabel == null || StringUtils.isEmpty( startLabel.getName() ) ) )
113 {
114 throw new ScmException( "Missing start label." );
115 }
116
117 StarteamCommandLineUtils.addEOLOption( args );
118
119 return StarteamCommandLineUtils.createStarteamCommandLine( "diff", args, workingDirectory, repo );
120 }
121 }