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

 /*

  * 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.CommandParameter;

 import org.apache.maven.scm.CommandParameters;

 import org.apache.maven.scm.ScmException;

 import org.apache.maven.scm.ScmFileSet;

 import org.apache.maven.scm.ScmVersion;

 import org.apache.maven.scm.command.changelog.ChangeLogCommand;

 import org.apache.maven.scm.command.checkout.CheckOutScmResult;

 import org.apache.maven.scm.command.update.AbstractUpdateCommand;

 import org.apache.maven.scm.command.update.UpdateScmResult;

 import org.apache.maven.scm.command.update.UpdateScmResultWithRevision;

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

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

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

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

 import org.apache.maven.scm.provider.perforce.command.changelog.PerforceChangeLogCommand;

 import org.apache.maven.scm.provider.perforce.command.checkout.PerforceCheckOutCommand;

 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;

 /**

  * @author Mike Perham

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

  */

 public class PerforceUpdateCommand

     extends AbstractUpdateCommand

     implements PerforceCommand

 {

     /** {@inheritDoc} */

     protected UpdateScmResult executeUpdateCommand( ScmProviderRepository repo, ScmFileSet files,

                                                     ScmVersion scmVersion )

         throws ScmException

     {

         // In Perforce, there is no difference between update and checkout.

         // Here we just run the checkout command and map the result onto an

         // UpdateScmResult.

         PerforceCheckOutCommand command = new PerforceCheckOutCommand();

         command.setLogger( getLogger() );

         CommandParameters params = new CommandParameters();

         params.setScmVersion( CommandParameter.SCM_VERSION, scmVersion );

         CheckOutScmResult cosr = (CheckOutScmResult) command.execute( repo, files, params );

         if ( !cosr.isSuccess() )

         {

             return new UpdateScmResult( cosr.getCommandLine(), cosr.getProviderMessage(), cosr.getCommandOutput(),

                                         false );

         }

         PerforceScmProviderRepository p4repo = (PerforceScmProviderRepository) repo;

         String clientspec = PerforceScmProvider.getClientspecName( getLogger(), p4repo, files.getBasedir() );

         Commandline cl = createCommandLine( p4repo, files.getBasedir(), clientspec );

         @SuppressWarnings( "unused" )

         String location = PerforceScmProvider.getRepoPath( getLogger(), p4repo, files.getBasedir() );

         PerforceHaveConsumer consumer =

             new PerforceHaveConsumer( getLogger() );

         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 new UpdateScmResultWithRevision( cosr.getCommandLine(), cosr.getCheckedOutFiles(),

                                                 String.valueOf( consumer.getHave() ) );

     }

     /** {@inheritDoc} */

     protected ChangeLogCommand getChangeLogCommand()

     {

         PerforceChangeLogCommand command = new PerforceChangeLogCommand();

         command.setLogger( getLogger() );

         return command;

     }

     public static Commandline createCommandLine( PerforceScmProviderRepository repo, File workingDirectory,

                                                  String clientspec )

     {

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

         if ( clientspec != null )

         {

             command.createArg().setValue( "-c" );

             command.createArg().setValue( clientspec );

         }

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

         command.createArg().setValue( "-m1" );

         command.createArg().setValue( "-ssubmitted" );

         command.createArg().setValue( "//" + clientspec + "/...#have" );

         return command;

     }

 }