001    package org.apache.maven.scm.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.CommandParameter;
023    import org.apache.maven.scm.CommandParameters;
024    import org.apache.maven.scm.ScmException;
025    import org.apache.maven.scm.ScmFileSet;
026    import org.apache.maven.scm.ScmResult;
027    import org.apache.maven.scm.command.AbstractCommand;
028    import org.apache.maven.scm.provider.ScmProviderRepository;
029    
030    /**
031     * @author Evgeny Mandrikov
032     * @since 1.4
033     */
034    public abstract class AbstractBlameCommand
035        extends AbstractCommand
036    {
037        public abstract BlameScmResult executeBlameCommand( ScmProviderRepository repo, ScmFileSet workingDirectory,
038                                                            String filename )
039            throws ScmException;
040    
041        protected ScmResult executeCommand( ScmProviderRepository repository, ScmFileSet workingDirectory,
042                                            CommandParameters parameters )
043            throws ScmException
044        {
045            String file = parameters.getString( CommandParameter.FILE );
046    
047            return executeBlameCommand( repository, workingDirectory, file );
048        }
049    
050    
051    }