001 package org.apache.maven.scm.provider.perforce.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.perforce.PerforceScmProvider;
029 import org.apache.maven.scm.provider.perforce.command.PerforceCommand;
030 import org.apache.maven.scm.provider.perforce.repository.PerforceScmProviderRepository;
031 import org.codehaus.plexus.util.StringUtils;
032 import org.codehaus.plexus.util.cli.CommandLineException;
033 import org.codehaus.plexus.util.cli.CommandLineUtils;
034 import org.codehaus.plexus.util.cli.Commandline;
035
036 import java.io.File;
037
038 /**
039 * @author Mike Perham
040 * @version $Id: PerforceDiffCommand.java 1306867 2012-03-29 13:45:10Z olamy $
041 */
042 public class PerforceDiffCommand
043 extends AbstractDiffCommand
044 implements PerforceCommand
045 {
046 /** {@inheritDoc} */
047 protected DiffScmResult executeDiffCommand( ScmProviderRepository repo, ScmFileSet files, ScmVersion startRev,
048 ScmVersion endRev )
049 throws ScmException
050 {
051 Commandline cl =
052 createCommandLine( (PerforceScmProviderRepository) repo, files.getBasedir(), startRev, endRev );
053 PerforceDiffConsumer consumer = new PerforceDiffConsumer();
054 if ( getLogger().isInfoEnabled() )
055 {
056 getLogger().info( "Executing: " + PerforceScmProvider.clean( cl.toString() ) );
057 }
058 boolean success = false;
059 try
060 {
061 CommandLineUtils.StringStreamConsumer err = new CommandLineUtils.StringStreamConsumer();
062 int exitCode = CommandLineUtils.executeCommandLine( cl, consumer, err );
063
064 if ( exitCode != 0 )
065 {
066 String cmdLine = CommandLineUtils.toString( cl.getCommandline() );
067
068 StringBuilder msg = new StringBuilder( "Exit code: " + exitCode + " - " + err.getOutput() );
069 msg.append( '\n' );
070 msg.append( "Command line was:" + cmdLine );
071
072 throw new CommandLineException( msg.toString() );
073 }
074 }
075 catch ( CommandLineException e )
076 {
077 if ( getLogger().isErrorEnabled() )
078 {
079 getLogger().error( "CommandLineException " + e.getMessage(), e );
080 }
081 }
082
083 return new DiffScmResult( cl.toString(), success ? "Diff successful" : "Unable to diff", consumer
084 .getOutput(), success );
085 }
086
087 public static Commandline createCommandLine( PerforceScmProviderRepository repo, File workingDirectory,
088 ScmVersion startRev, ScmVersion endRev )
089 {
090 String start = startRev != null && StringUtils.isNotEmpty( startRev.getName() ) ? "@" + startRev.getName() : "";
091 String end = endRev != null && StringUtils.isNotEmpty( endRev.getName() ) ? endRev.getName() : "now";
092
093 Commandline command = PerforceScmProvider.createP4Command( repo, workingDirectory );
094
095 command.createArg().setValue( "diff2" );
096 command.createArg().setValue( "-u" );
097 // I'm assuming the "revs" are actually labels
098 command.createArg().setValue( "..." + start );
099 command.createArg().setValue( "...@" + end );
100 return command;
101 }
102
103 }