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

 /*

  * 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 java.io.ByteArrayInputStream;

 import java.io.File;

 import org.apache.maven.scm.CommandParameters;

 import org.apache.maven.scm.ScmException;

 import org.apache.maven.scm.ScmFileSet;

 import org.apache.maven.scm.command.login.AbstractLoginCommand;

 import org.apache.maven.scm.command.login.LoginScmResult;

 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.StringUtils;

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

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

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

 /**

  * @author Mike Perham

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

  */

 public class PerforceLoginCommand

     extends AbstractLoginCommand

     implements PerforceCommand

 {

     /** {@inheritDoc} */

     public LoginScmResult executeLoginCommand( ScmProviderRepository repo, ScmFileSet files, CommandParameters params )

         throws ScmException

     {

         Commandline cl = createCommandLine( (PerforceScmProviderRepository) repo, files.getBasedir() );

         PerforceLoginConsumer consumer = new PerforceLoginConsumer();

         boolean isSuccess = false;

         try

         {

             String password = repo.getPassword();

             if ( StringUtils.isEmpty( password ) )

             {

                 if ( getLogger().isInfoEnabled() )

                 {

                     getLogger().info( "No password found, proceeding without it." );

                 }

                 isSuccess = true;

             }

             else

             {

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

                 int exitCode = CommandLineUtils.executeCommandLine( cl, new ByteArrayInputStream( password.getBytes() ),

                                                                     consumer, err );

                 isSuccess = consumer.isSuccess();

                 if ( !isSuccess )

                 {

                     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 )

         {

             throw new ScmException( e.getMessage(), e );

         }

         return new LoginScmResult( cl.toString(), isSuccess ? "Login successful" : "Login failed",

                                    consumer.getOutput(), isSuccess );

     }

     public static Commandline createCommandLine( PerforceScmProviderRepository repo, File workingDir )

     {

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

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

         if ( !StringUtils.isEmpty( repo.getUser() ) )

         {

             command.createArg().setValue( repo.getUser() );

         }

         return command;

     }

 }