001 package org.apache.maven.scm.provider.integrity.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.ScmFile;
024 import org.apache.maven.scm.ScmFileSet;
025 import org.apache.maven.scm.ScmResult;
026 import org.apache.maven.scm.ScmVersion;
027 import org.apache.maven.scm.command.diff.AbstractDiffCommand;
028 import org.apache.maven.scm.command.diff.DiffScmResult;
029 import org.apache.maven.scm.provider.ScmProviderRepository;
030 import org.apache.maven.scm.provider.integrity.APISession;
031 import org.apache.maven.scm.provider.integrity.repository.IntegrityScmProviderRepository;
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.util.ArrayList;
037 import java.util.HashMap;
038
039 /**
040 * MKS Integrity implementation for Maven's AbstractDiffCommand
041 * <br>Since MKS Integrity doesn't have a notion of arbitrarily differencing
042 * by a revision across the sandbox, this command will difference the
043 * current Sandbox working file against the server version.
044 *
045 * @author <a href="mailto:cletus@mks.com">Cletus D'Souza</a>
046 * @version $Id: IntegrityDiffCommand.java 1.4 2011/08/24 10:29:08EDT Cletus D'Souza (dsouza) Exp $
047 * @since 1.6
048 */
049 public class IntegrityDiffCommand
050 extends AbstractDiffCommand
051 {
052 /**
053 * Since we can't arbitrarily apply the same start and end revisions to all files in the sandbox,
054 * this command will be adapted to show differences between the local version and the repository
055 */
056 @Override
057 public DiffScmResult executeDiffCommand( ScmProviderRepository repository, ScmFileSet fileSet,
058 ScmVersion startRevision, ScmVersion endRevision )
059 throws ScmException
060 {
061 DiffScmResult result;
062 IntegrityScmProviderRepository iRepo = (IntegrityScmProviderRepository) repository;
063 APISession api = iRepo.getAPISession();
064 getLogger().info( "Showing differences bettween local files in " + fileSet.getBasedir().getAbsolutePath()
065 + " and server project " + iRepo.getConfigruationPath() );
066
067 // Since the si diff command is not completely API ready, we will use the CLI for this command
068 Commandline shell = new Commandline();
069 shell.setWorkingDirectory( fileSet.getBasedir() );
070 shell.setExecutable( "si" );
071 shell.createArg().setValue( "diff" );
072 shell.createArg().setValue( "--hostname=" + api.getHostName() );
073 shell.createArg().setValue( "--port=" + api.getPort() );
074 shell.createArg().setValue( "--user=" + api.getUserName() );
075 shell.createArg().setValue( "-R" );
076 shell.createArg().setValue( "--filter=changed:all" );
077 shell.createArg().setValue( "--filter=format:text" );
078 IntegrityDiffConsumer shellConsumer = new IntegrityDiffConsumer( getLogger() );
079
080 try
081 {
082 getLogger().debug( "Executing: " + shell.getCommandline() );
083 int exitCode = CommandLineUtils.executeCommandLine( shell, shellConsumer,
084 new CommandLineUtils.StringStreamConsumer() );
085 boolean success = ( exitCode == 128 ? false : true );
086 ScmResult scmResult =
087 new ScmResult( shell.getCommandline().toString(), "", "Exit Code: " + exitCode, success );
088 // Since we can't really parse the differences output, we'll just have to go by the command output
089 // Returning a DiffScmResult(List changedFiles, Map differences, String patch, ScmResult result) to avoid an NPE
090 // in org.codehaus.plexus.util.FileUtils.fileWrite(FileUtils.java:426)
091 return new DiffScmResult( new ArrayList<ScmFile>(), new HashMap<String, CharSequence>(), "", scmResult );
092
093 }
094 catch ( CommandLineException cle )
095 {
096 getLogger().error( "Command Line Exception: " + cle.getMessage() );
097 result = new DiffScmResult( shell.getCommandline().toString(), cle.getMessage(), "", false );
098 }
099
100 return result;
101 }
102
103 }