001package org.apache.maven.scm.provider.cvslib.cvsjava.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 022import org.apache.maven.scm.command.blame.BlameScmResult; 023import org.apache.maven.scm.provider.cvslib.command.blame.AbstractCvsBlameCommand; 024import org.apache.maven.scm.provider.cvslib.command.blame.CvsBlameConsumer; 025import org.apache.maven.scm.provider.cvslib.cvsjava.util.CvsConnection; 026import org.apache.maven.scm.provider.cvslib.cvsjava.util.CvsLogListener; 027import org.apache.maven.scm.provider.cvslib.repository.CvsScmProviderRepository; 028import org.codehaus.plexus.util.cli.Commandline; 029 030import java.io.BufferedReader; 031import java.io.ByteArrayInputStream; 032import java.io.InputStreamReader; 033 034/** 035 * @author Evgeny Mandrikov 036 * @since 1.4 037 */ 038public class CvsJavaBlameCommand 039 extends AbstractCvsBlameCommand 040{ 041 /** 042 * {@inheritDoc} 043 */ 044 protected BlameScmResult executeCvsCommand( Commandline cl, CvsScmProviderRepository repository ) 045 { 046 CvsLogListener logListener = new CvsLogListener(); 047 CvsBlameConsumer consumer = new CvsBlameConsumer( getLogger() ); 048 try 049 { 050 boolean isSuccess = 051 CvsConnection.processCommand( cl.getArguments(), cl.getWorkingDirectory().getAbsolutePath(), 052 logListener, getLogger() ); 053 if ( !isSuccess ) 054 { 055 return new BlameScmResult( cl.toString(), "The cvs command failed.", logListener.getStderr().toString(), 056 false ); 057 } 058 BufferedReader stream = new BufferedReader( 059 new InputStreamReader( new ByteArrayInputStream( logListener.getStdout().toString().getBytes() ) ) ); 060 String line; 061 while ( ( line = stream.readLine() ) != null ) 062 { 063 consumer.consumeLine( line ); 064 } 065 } 066 catch ( Exception e ) 067 { 068 getLogger().error( e ); 069 return new BlameScmResult( cl.toString(), "The cvs command failed.", logListener.getStdout().toString(), 070 false ); 071 } 072 073 return new BlameScmResult( cl.toString(), consumer.getLines() ); 074 } 075}