package org.apache.maven.scm.provider.perforce.command.status;

 /*

  * 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.ScmException;

 import org.apache.maven.scm.ScmFile;

 import org.apache.maven.scm.ScmFileSet;

 import org.apache.maven.scm.command.status.AbstractStatusCommand;

 import org.apache.maven.scm.command.status.StatusScmResult;

 import org.apache.maven.scm.provider.ScmProviderRepository;

 import org.apache.maven.scm.provider.perforce.PerforceScmProvider;

 import org.apache.maven.scm.provider.perforce.command.PerforceCommand;

 import org.apache.maven.scm.provider.perforce.command.PerforceVerbMapper;

 import org.apache.maven.scm.provider.perforce.repository.PerforceScmProviderRepository;

 import org.apache.regexp.RE;

 import org.codehaus.plexus.util.cli.CommandLineException;

 import org.codehaus.plexus.util.cli.CommandLineUtils;

 import org.codehaus.plexus.util.cli.Commandline;

 import java.io.File;

 import java.util.ArrayList;

 import java.util.Iterator;

 import java.util.List;

 /**

  * @author Mike Perham

  * @version $Id: PerforceStatusCommand.java 1306867 2012-03-29 13:45:10Z olamy $

  */

 public class PerforceStatusCommand

     extends AbstractStatusCommand

     implements PerforceCommand

 {

     private String actualLocation;

     /** {@inheritDoc} */

     protected StatusScmResult executeStatusCommand( ScmProviderRepository repo, ScmFileSet files )

         throws ScmException

     {

         PerforceScmProviderRepository prepo = (PerforceScmProviderRepository) repo;

         actualLocation = PerforceScmProvider.getRepoPath( getLogger(), prepo, files.getBasedir() );

         PerforceStatusConsumer consumer = new PerforceStatusConsumer();

         Commandline command = readOpened( prepo, files, consumer );

         if ( consumer.isSuccess() )

         {

             List<ScmFile> scmfiles = createResults( actualLocation, consumer );

             return new StatusScmResult( command.toString(), scmfiles );

         }

         return new StatusScmResult( command.toString(), "Unable to get status", consumer

                 .getOutput(), consumer.isSuccess() );

     }

     public static List<ScmFile> createResults( String repoPath, PerforceStatusConsumer consumer )

     {

         List<ScmFile> results = new ArrayList<ScmFile>();

         List<String> files = consumer.getDepotfiles();

         RE re = new RE( "([^#]+)#\\d+ - ([^ ]+) .*" );

         for ( Iterator<String> it = files.iterator(); it.hasNext(); )

         {

             String filepath = it.next();

             if ( !re.match( filepath ) )

             {

                 System.err.println( "Skipping " + filepath );

                 continue;

             }

             String path = re.getParen( 1 );

             String verb = re.getParen( 2 );

             ScmFile scmfile = new ScmFile( path.substring( repoPath.length() + 1 ).trim(), PerforceVerbMapper

                 .toStatus( verb ) );

             results.add( scmfile );

         }

         return results;

     }

     private Commandline readOpened( PerforceScmProviderRepository prepo, ScmFileSet files,

                                     PerforceStatusConsumer consumer )

     {

         Commandline cl = createOpenedCommandLine( prepo, files.getBasedir(), actualLocation );

         try

         {

             if ( getLogger().isDebugEnabled() )

             {

                 getLogger().debug( PerforceScmProvider.clean( "Executing " + cl.toString() ) );

             }

             CommandLineUtils.StringStreamConsumer err = new CommandLineUtils.StringStreamConsumer();

             int exitCode = CommandLineUtils.executeCommandLine( cl, consumer, err );

             if ( exitCode != 0 )

             {

                 String cmdLine = CommandLineUtils.toString( cl.getCommandline() );

                 StringBuilder msg = new StringBuilder( "Exit code: " + exitCode + " - " + err.getOutput() );

                 msg.append( '\n' );

                 msg.append( "Command line was:" + cmdLine );

                 throw new CommandLineException( msg.toString() );

             }

         }

         catch ( CommandLineException e )

         {

             if ( getLogger().isErrorEnabled() )

             {

                 getLogger().error( "CommandLineException " + e.getMessage(), e );

             }

         }

         return cl;

     }

     public static Commandline createOpenedCommandLine( PerforceScmProviderRepository repo, File workingDirectory,

                                                        String location )

     {

         Commandline command = PerforceScmProvider.createP4Command( repo, workingDirectory );

         command.createArg().setValue( "opened" );

         command.createArg().setValue( PerforceScmProvider.getCanonicalRepoPath( location ) );

         return command;

     }

 }