001 package org.apache.maven.scm.provider.cvslib.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.cvslib.command.CvsCommand;
029 import org.apache.maven.scm.provider.cvslib.command.CvsCommandUtils;
030 import org.apache.maven.scm.provider.cvslib.repository.CvsScmProviderRepository;
031 import org.codehaus.plexus.util.StringUtils;
032 import org.codehaus.plexus.util.cli.Commandline;
033
034 /**
035 * @author <a href="mailto:brett@apache.org">Brett Porter</a>
036 * @version $Id: AbstractCvsDiffCommand.java 691810 2008-09-03 22:38:28Z vsiveton $
037 */
038 public abstract class AbstractCvsDiffCommand
039 extends AbstractDiffCommand
040 implements CvsCommand
041 {
042 /** {@inheritDoc} */
043 protected DiffScmResult executeDiffCommand( ScmProviderRepository repo, ScmFileSet fileSet,
044 ScmVersion startRevision, ScmVersion endRevision )
045 throws ScmException
046 {
047 CvsScmProviderRepository repository = (CvsScmProviderRepository) repo;
048
049 Commandline cl = CvsCommandUtils.getBaseCommand( "diff", repository, fileSet );
050
051 cl.createArg().setValue( "-u" );
052
053 if ( isSupportNewFileParameter() )
054 {
055 cl.createArg().setValue( "-N" );
056 }
057
058 if ( startRevision != null && StringUtils.isNotEmpty( startRevision.getName() ) )
059 {
060 cl.createArg().setValue( "-r" );
061 cl.createArg().setValue( startRevision.getName() );
062 }
063
064 if ( endRevision != null && StringUtils.isNotEmpty( endRevision.getName() ) )
065 {
066 cl.createArg().setValue( "-r" );
067 cl.createArg().setValue( endRevision.getName() );
068 }
069
070 if ( getLogger().isInfoEnabled() )
071 {
072 getLogger().info( "Executing: " + cl );
073 getLogger().info( "Working directory: " + cl.getWorkingDirectory().getAbsolutePath() );
074 }
075
076 return executeCvsCommand( cl );
077 }
078
079 protected abstract DiffScmResult executeCvsCommand( Commandline cl )
080 throws ScmException;
081
082 protected boolean isSupportNewFileParameter()
083 {
084 return true;
085 }
086 }