package org.codehaus.mojo.wagon;
   
   /*
    * 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.plugin.MojoExecutionException;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.wagon.CommandExecutor;
  import org.apache.maven.wagon.Streams;
  import org.apache.maven.wagon.Wagon;
  import org.apache.maven.wagon.WagonException;
  import org.apache.maven.wagon.providers.ssh.jsch.AbstractJschWagon;
  
  /**
   * Executes a list of commands against a given server.
   */
  @Mojo( name = "sshexec")
  public class SshExecMojo
      extends AbstractSingleWagonMojo
  {
  
      /**
       * The commands that we will execute.
       */
      @Parameter(required = true)
      private String[] commands;
  
      /**
       * Allow option not to fail the build on error.
       */
      @Parameter(defaultValue = "true")
      private boolean failOnError = true;
  
      /**
       * Option to display remote command's outputs.
       */
      @Parameter(defaultValue = "false")
      private boolean displayCommandOutputs = true;
  
      @Override
      protected void execute( final Wagon wagon )
          throws MojoExecutionException
      {
          if ( commands != null )
          {
              for ( String command : commands )
              {
                  try
                  {
                      Streams stream;
                      if ( wagon instanceof AbstractJschWagon )
                      {
                          stream = ( (AbstractJschWagon) wagon ).executeCommand( command, true, false );
                      } else
                      {
                          stream = ( (CommandExecutor) wagon ).executeCommand( command, false );
                      }
                      this.getLog().info( "sshexec: " + command + " ..." );
                      if ( displayCommandOutputs )
                      {
                          System.out.println( stream.getOut() );
                          System.out.println( stream.getErr() );
                      }
                  } catch ( final WagonException e )
                  {
                      if ( this.failOnError )
                      {
                          throw new MojoExecutionException( "Unable to execute remote command", e );
                      }
                      else
                      {
                          this.getLog().warn( e );
                      }
                  }
  
              }
          }
      }
  }