package org.apache.maven.scm.provider.integrity.command.unlock;
   
   /*
    * 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 com.mks.api.response.APIException;
  import com.mks.api.response.Response;
  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.ScmResult;
  import org.apache.maven.scm.command.unlock.AbstractUnlockCommand;
  import org.apache.maven.scm.provider.ScmProviderRepository;
  import org.apache.maven.scm.provider.integrity.ExceptionHandler;
  import org.apache.maven.scm.provider.integrity.Sandbox;
  import org.apache.maven.scm.provider.integrity.repository.IntegrityScmProviderRepository;
  
  import java.io.File;
  
  /**
   * MKS Integrity implementation of Maven's AbstractUnlockCommand
   * <br>This command will run a 'si unlock' command for the specified filename
   *
   * @author <a href="mailto:cletus@mks.com">Cletus D'Souza</a>
   * @since 1.6
   */
  public class IntegrityUnlockCommand
      extends AbstractUnlockCommand
  {
      // This command will require the filename argument to be supplied for its execution
      private String filename;
  
      /**
       * IntegrityUnlockCommand constructor requires a filename argument to be supplied for its execution
       * <br>This avoids having to run the unlock command across the entire Sandbox.
       *
       * @param filename Relative path of the file needed to be unlocked
       */
      public IntegrityUnlockCommand( String filename )
      {
          this.filename = filename;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public ScmResult executeUnlockCommand( ScmProviderRepository repository, File workingDirectory )
          throws ScmException
      {
          getLogger().info( "Attempting to unlock file: " + filename );
          if ( null == filename || filename.length() == 0 )
          {
              throw new ScmException( "A single filename is required to execute the unlock command!" );
          }
  
          ScmResult result;
          IntegrityScmProviderRepository iRepo = (IntegrityScmProviderRepository) repository;
          try
          {
              Sandbox siSandbox = iRepo.getSandbox();
              File memberFile = new File( workingDirectory.getAbsoluteFile() + File.separator + filename );
              Response res = siSandbox.unlock( memberFile, filename );
              int exitCode = res.getExitCode();
              boolean success = ( exitCode == 0 ? true : false );
              result = new ScmResult( res.getCommandString(), "", "Exit Code: " + exitCode, success );
          }
          catch ( APIException aex )
          {
              ExceptionHandler eh = new ExceptionHandler( aex );
              getLogger().error( "MKS API Exception: " + eh.getMessage() );
              getLogger().info( eh.getCommand() + " exited with return code " + eh.getExitCode() );
              result = new ScmResult( eh.getCommand(), eh.getMessage(), "Exit Code: " + eh.getExitCode(), false );
          }
  
          return result;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
     protected ScmResult executeCommand( ScmProviderRepository repository, ScmFileSet fileSet,
                                         CommandParameters parameters )
         throws ScmException
     {
         filename = parameters.getString( CommandParameter.FILE );
         return executeUnlockCommand( repository, fileSet.getBasedir() );
     }
 
 }