001    package org.apache.maven.scm.provider.jazz.command.blame;
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.command.blame.AbstractBlameCommand;
025    import org.apache.maven.scm.command.blame.BlameScmResult;
026    import org.apache.maven.scm.provider.ScmProviderRepository;
027    import org.apache.maven.scm.provider.jazz.command.JazzConstants;
028    import org.apache.maven.scm.provider.jazz.command.JazzScmCommand;
029    import org.apache.maven.scm.provider.jazz.command.consumer.ErrorConsumer;
030    
031    // The Maven SCM plugin "blame" goal is equivalent to the RTC "annotate" command.
032    //
033    // See the following links for additional information on the RTC "annotate" command:
034    // RTC 2.0.0.2:
035    // http://publib.boulder.ibm.com/infocenter/rtc/v2r0m0/topic/com.ibm.team.scm.doc/topics/r_scm_cli_annotate.html
036    // RTC 3.0:
037    // http://publib.boulder.ibm.com/infocenter/clmhelp/v3r0/topic/com.ibm.team.scm.doc/topics/r_scm_cli_annotate.html
038    // RTC 3.0.1:
039    // http://publib.boulder.ibm.com/infocenter/clmhelp/v3r0m1/topic/com.ibm.team.scm.doc/topics/r_scm_cli_annotate.html
040    //
041    // The RTC "history" command also provides similar information that might be needed for the "blame" goal.
042    // See the following links for additional information on the RTC "history" command:
043    // RTC 2.0.0.2:
044    // http://publib.boulder.ibm.com/infocenter/rtc/v2r0m0/topic/com.ibm.team.scm.doc/topics/r_scm_cli_history.html
045    // RTC 3.0:
046    // http://publib.boulder.ibm.com/infocenter/clmhelp/v3r0/topic/com.ibm.team.scm.doc/topics/r_scm_cli_history.html
047    // RTC 3.0.1:
048    // http://publib.boulder.ibm.com/infocenter/clmhelp/v3r0m1/topic/com.ibm.team.scm.doc/topics/r_scm_cli_history.html
049    //
050    
051    /**
052     * @author <a href="mailto:ChrisGWarp@gmail.com">Chris Graham</a>
053     */
054    public class JazzBlameCommand
055        extends AbstractBlameCommand
056    {
057        /**
058         * {@inheritDoc}
059         */
060        public BlameScmResult executeBlameCommand( ScmProviderRepository repo, ScmFileSet fileSet, String filename )
061            throws ScmException
062        {
063            if ( getLogger().isDebugEnabled() )
064            {
065                getLogger().debug( "Executing blame command..." );
066            }
067    
068            JazzScmCommand blameCmd = createBlameCommand( repo, fileSet, filename );
069    
070            JazzBlameConsumer blameConsumer = new JazzBlameConsumer( repo, getLogger() );
071            ErrorConsumer errConsumer = new ErrorConsumer( getLogger() );
072    
073            int status = blameCmd.execute( blameConsumer, errConsumer );
074            if ( status != 0 || errConsumer.hasBeenFed() )
075            {
076                return new BlameScmResult( blameCmd.getCommandString(), "Error code for Jazz SCM blame command - " + status,
077                                           errConsumer.getOutput(), false );
078            }
079    
080            return new BlameScmResult( blameCmd.getCommandString(), blameConsumer.getLines() );
081        }
082    
083        public JazzScmCommand createBlameCommand( ScmProviderRepository repo, ScmFileSet fileSet, String filename )
084        {
085            JazzScmCommand command =
086                new JazzScmCommand( JazzConstants.CMD_ANNOTATE, null, repo, false, fileSet, getLogger() );
087            command.addArgument( filename );
088    
089            return command;
090        }
091    
092    }