package org.apache.maven.scm.provider.perforce.command.edit;
   
   /*
    * 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.ScmFileSet;
  import org.apache.maven.scm.ScmResult;
  import org.apache.maven.scm.command.edit.AbstractEditCommand;
  import org.apache.maven.scm.command.edit.EditScmResult;
  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.repository.PerforceScmProviderRepository;
  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.io.IOException;
  
  /**
   * @author Mike Perham
   *
   */
  public class PerforceEditCommand
      extends AbstractEditCommand
      implements PerforceCommand
  {
      /**
       * {@inheritDoc}
       */
      @Override
      protected ScmResult executeEditCommand( ScmProviderRepository repo, ScmFileSet files )
          throws ScmException
      {
          Commandline cl = createCommandLine( (PerforceScmProviderRepository) repo, files.getBasedir(), files );
          PerforceEditConsumer consumer = new PerforceEditConsumer();
          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 );
              }
          }
  
          if ( consumer.isSuccess() )
          {
              return new EditScmResult( cl.toString(), consumer.getEdits() );
          }
  
          return new EditScmResult( cl.toString(), "Unable to edit file(s)", consumer.getErrorMessage(), false );
      }
  
      public static Commandline createCommandLine( PerforceScmProviderRepository repo, File workingDirectory,
                                                   ScmFileSet files )
          throws ScmException
      {
          Commandline command = PerforceScmProvider.createP4Command( repo, workingDirectory );
  
          command.createArg().setValue( "edit" );
  
         try
         {
             String candir = workingDirectory.getCanonicalPath();
 
             for ( File f : files.getFileList() )
             {
                 File file = null;
                 if ( f.isAbsolute() )
                 {
                     file = new File( f.getPath() );
                 }
                 else
                 {
                     file = new File( workingDirectory, f.getPath() );
                 }
                 // I want to use relative paths to add files to make testing
                 // simpler.
                 // Otherwise the absolute path will be different on everyone's
                 // machine
                 // and testing will be a little more painful.
                 String canfile = file.getCanonicalPath();
                 if ( canfile.startsWith( candir ) )
                 {
                     canfile = canfile.substring( candir.length() + 1 );
                 }
                 command.createArg().setValue( canfile );
             }
         }
         catch ( IOException e )
         {
             throw new ScmException( e.getMessage(), e );
         }
         return command;
     }
 }