package org.apache.maven.wagon.providers.ssh;
   
   /*
    * 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.sshd.server.Command;
  import org.apache.sshd.server.Environment;
  import org.apache.sshd.server.ExitCallback;
  import org.codehaus.plexus.util.FileUtils;
  import org.codehaus.plexus.util.cli.CommandLineUtils;
  import org.codehaus.plexus.util.cli.Commandline;
  
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  
  /**
   * @author Olivier Lamy
   */
  public class ShellCommand implements Command
  {
  protected static final int OK = 0;
  
          protected static final int WARNING = 1;
  
          protected static final int ERROR = 2;
  
          private InputStream in;
  
          private OutputStream out;
  
          private OutputStream err;
  
          private ExitCallback callback;
  
          private Thread thread;
  
          private String commandLine;
  
          public ShellCommand( String commandLine )
          {
              this.commandLine = commandLine;
          }
  
          public void setInputStream( InputStream in )
          {
              this.in = in;
          }
  
          public void setOutputStream( OutputStream out )
          {
              this.out = out;
          }
  
          public void setErrorStream( OutputStream err )
          {
              this.err = err;
          }
  
          public void setExitCallback( ExitCallback callback )
          {
              this.callback = callback;
          }
  
          public void start( Environment env )
              throws IOException
          {
              File tmpFile = File.createTempFile( "wagon", "test-sh" );
              tmpFile.deleteOnExit();
              int exitValue = 0;
              CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
              CommandLineUtils.StringStreamConsumer stdout = new CommandLineUtils.StringStreamConsumer();
              try
              {
  
                  // hackhish defaut commandline tools not support ; or && so write a file with the script
                  // and "/bin/sh -e " + tmpFile.getPath();
                  FileUtils.fileWrite( tmpFile, commandLine );
  
                  Commandline cl = new Commandline();
                  cl.setExecutable( "/bin/sh" );
                  //cl.createArg().setValue( "-e" );
                 //cl.createArg().setValue( tmpFile.getPath() );
                 cl.createArg().setFile( tmpFile );
 
                 exitValue = CommandLineUtils.executeCommandLine( cl, stdout, stderr );
                 System.out.println( "exit value " + exitValue );
                 /*
                 if ( exitValue == 0 )
                 {
                     out.write( stdout.getOutput().getBytes() );
                     out.write( '\n' );
                     out.flush();
 
                 }
                 else
                 {
                     out.write( stderr.getOutput().getBytes() );
                     out.write( '\n' );
                     out.flush();
 
                 }*/
 
             }
             catch ( Exception e )
             {
                 exitValue = ERROR;
                 e.printStackTrace();
             }
             finally
             {
                 deleteQuietly( tmpFile );
                 if ( exitValue != 0 )
                 {
                     err.write( stderr.getOutput().getBytes() );
                     err.write( '\n' );
                     err.flush();
                     callback.onExit( exitValue, stderr.getOutput() );
                 }
                 else
                 {
                     out.write( stdout.getOutput().getBytes() );
                     out.write( '\n' );
                     out.flush();
                     callback.onExit( exitValue, stdout.getOutput() );
                 }
 
             }
             /*
             out.write( exitValue );
             out.write( '\n' );
 
             */
             out.flush();
         }
 
         public void destroy()
         {
 
         }
 
         private void deleteQuietly( File f )
         {
 
             try
             {
                 f.delete();
             }
             catch ( Exception e )
             {
                 // ignore
             }
         }
 }