| package org.apache.maven.scm.provider.perforce.command; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| import org.apache.maven.scm.log.ScmLogger; |
| import org.apache.maven.scm.provider.perforce.PerforceScmProvider; |
| import org.apache.maven.scm.provider.perforce.repository.PerforceScmProviderRepository; |
| import org.codehaus.plexus.util.IOUtil; |
| import org.codehaus.plexus.util.cli.CommandLineException; |
| import org.codehaus.plexus.util.cli.Commandline; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| |
| /** |
| * Encapsulates the 'p4 where' command which can be very useful in determining |
| * a file's location within the depot. Use <code>getDepotLocation(String path)</code> to query |
| * the depot location for a particular file. The data from p4 where looks like this: |
| * <p/> |
| * <pre> |
| * p4 where pom.xml |
| * //depot/modules/fabric/trunk/pom.xml //mikeperham-dt/depot/modules/fabric/trunk/pom.xml |
| * d:\perforce\depot\modules\fabric\trunk\pom.xml |
| * </pre> |
| * |
| * @author mperham |
| */ |
| public class PerforceWhereCommand |
| { |
| private ScmLogger logger = null; |
| |
| private PerforceScmProviderRepository repo = null; |
| |
| public PerforceWhereCommand( ScmLogger log, PerforceScmProviderRepository repos ) |
| { |
| logger = log; |
| repo = repos; |
| } |
| |
| public String getDepotLocation( File file ) |
| { |
| return getDepotLocation( file.getAbsolutePath() ); |
| } |
| |
| /** |
| * @param filepath an absolute file path |
| * @return the absolute location of the given file within the Perforce repository or null if the file |
| * does not exist in a mapping within the current clientspec. |
| */ |
| public String getDepotLocation( String filepath ) |
| { |
| if ( !PerforceScmProvider.isLive() ) |
| { |
| return null; |
| } |
| |
| InputStreamReader isReader = null; |
| InputStreamReader isReaderErr = null; |
| try |
| { |
| Commandline command = PerforceScmProvider.createP4Command( repo, null ); |
| command.createArg().setValue( "where" ); |
| command.createArg().setValue( filepath ); |
| if ( logger.isDebugEnabled() ) |
| { |
| logger.debug( PerforceScmProvider.clean( "Executing: " + command.toString() ) ); |
| } |
| Process proc = command.execute(); |
| isReader = new InputStreamReader( proc.getInputStream() ); |
| isReaderErr = new InputStreamReader( proc.getErrorStream() ); |
| BufferedReader br = new BufferedReader( isReader ); |
| BufferedReader brErr = new BufferedReader( isReaderErr ); |
| String line; |
| String path = null; |
| while ( ( line = br.readLine() ) != null ) |
| { |
| if ( line.indexOf( "not in client view" ) != -1 ) |
| { |
| // uh oh, something bad is happening |
| if ( logger.isErrorEnabled() ) |
| { |
| logger.error( line ); |
| } |
| return null; |
| } |
| if ( line.indexOf( "is not under" ) != -1 ) |
| { |
| // uh oh, something bad is happening |
| if ( logger.isErrorEnabled() ) |
| { |
| logger.error( line ); |
| } |
| return null; |
| } |
| |
| if ( logger.isDebugEnabled() ) |
| { |
| logger.debug( line ); |
| } |
| // verify that "//" appears twice in the line |
| path = line.substring( 0, line.lastIndexOf( "//" ) - 1 ); |
| } |
| // Check for errors |
| while ( ( line = brErr.readLine() ) != null ) |
| { |
| if ( line.indexOf( "not in client view" ) != -1 ) |
| { |
| // uh oh, something bad is happening |
| if ( logger.isErrorEnabled() ) |
| { |
| logger.error( line ); |
| } |
| return null; |
| } |
| if ( line.indexOf( "is not under" ) != -1 ) |
| { |
| // uh oh, something bad is happening |
| if ( logger.isErrorEnabled() ) |
| { |
| logger.error( line ); |
| } |
| return null; |
| } |
| |
| if ( logger.isDebugEnabled() ) |
| { |
| logger.debug( line ); |
| } |
| } |
| |
| return path; |
| } |
| catch ( CommandLineException e ) |
| { |
| if ( logger.isErrorEnabled() ) |
| { |
| logger.error( e ); |
| } |
| throw new RuntimeException( e.getLocalizedMessage() ); |
| } |
| catch ( IOException e ) |
| { |
| if ( logger.isErrorEnabled() ) |
| { |
| logger.error( e ); |
| } |
| throw new RuntimeException( e.getLocalizedMessage() ); |
| } |
| finally |
| { |
| IOUtil.close( isReader ); |
| IOUtil.close( isReaderErr ); |
| } |
| } |
| } |