001package org.apache.maven.scm.provider.perforce.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 022import org.apache.maven.scm.ScmException; 023import org.apache.maven.scm.ScmFileSet; 024import org.apache.maven.scm.ScmVersion; 025import org.apache.maven.scm.command.diff.AbstractDiffCommand; 026import org.apache.maven.scm.command.diff.DiffScmResult; 027import org.apache.maven.scm.provider.ScmProviderRepository; 028import org.apache.maven.scm.provider.perforce.PerforceScmProvider; 029import org.apache.maven.scm.provider.perforce.command.PerforceCommand; 030import org.apache.maven.scm.provider.perforce.repository.PerforceScmProviderRepository; 031import org.codehaus.plexus.util.StringUtils; 032import org.codehaus.plexus.util.cli.CommandLineException; 033import org.codehaus.plexus.util.cli.CommandLineUtils; 034import org.codehaus.plexus.util.cli.Commandline; 035 036import java.io.File; 037 038/** 039 * @author Mike Perham 040 * 041 */ 042public class PerforceDiffCommand 043 extends AbstractDiffCommand 044 implements PerforceCommand 045{ 046 /** {@inheritDoc} */ 047 protected DiffScmResult executeDiffCommand( ScmProviderRepository repo, ScmFileSet files, ScmVersion startRev, 048 ScmVersion endRev ) 049 throws ScmException 050 { 051 Commandline cl = 052 createCommandLine( (PerforceScmProviderRepository) repo, files.getBasedir(), startRev, endRev ); 053 PerforceDiffConsumer consumer = new PerforceDiffConsumer(); 054 if ( getLogger().isInfoEnabled() ) 055 { 056 getLogger().info( "Executing: " + PerforceScmProvider.clean( cl.toString() ) ); 057 } 058 boolean success = false; 059 try 060 { 061 CommandLineUtils.StringStreamConsumer err = new CommandLineUtils.StringStreamConsumer(); 062 int exitCode = CommandLineUtils.executeCommandLine( cl, consumer, err ); 063 064 if ( exitCode != 0 ) 065 { 066 String cmdLine = CommandLineUtils.toString( cl.getCommandline() ); 067 068 StringBuilder msg = new StringBuilder( "Exit code: " + exitCode + " - " + err.getOutput() ); 069 msg.append( '\n' ); 070 msg.append( "Command line was:" + cmdLine ); 071 072 throw new CommandLineException( msg.toString() ); 073 } 074 } 075 catch ( CommandLineException e ) 076 { 077 if ( getLogger().isErrorEnabled() ) 078 { 079 getLogger().error( "CommandLineException " + e.getMessage(), e ); 080 } 081 } 082 083 return new DiffScmResult( cl.toString(), success ? "Diff successful" : "Unable to diff", consumer 084 .getOutput(), success ); 085 } 086 087 public static Commandline createCommandLine( PerforceScmProviderRepository repo, File workingDirectory, 088 ScmVersion startRev, ScmVersion endRev ) 089 { 090 String start = startRev != null && StringUtils.isNotEmpty( startRev.getName() ) ? "@" + startRev.getName() : ""; 091 String end = endRev != null && StringUtils.isNotEmpty( endRev.getName() ) ? endRev.getName() : "now"; 092 093 Commandline command = PerforceScmProvider.createP4Command( repo, workingDirectory ); 094 095 command.createArg().setValue( "diff2" ); 096 command.createArg().setValue( "-u" ); 097 // I'm assuming the "revs" are actually labels 098 command.createArg().setValue( "..." + start ); 099 command.createArg().setValue( "...@" + end ); 100 return command; 101 } 102 103}