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.maven.wagon.CommandExecutionException;

 import org.apache.maven.wagon.Streams;

 import java.io.BufferedReader;

 import java.io.IOException;

 /**

  * CommandExecutorStreamProcessor 

  *

  * @author <a href="mailto:joakim@erdfelt.com">Joakim Erdfelt</a>

  * @version $Id: CommandExecutorStreamProcessor.java 682071 2008-08-02 22:21:46Z hboutemy $

  */

 public class CommandExecutorStreamProcessor

 {

     private CommandExecutorStreamProcessor()

     {

         // shoo!

     }

     public static Streams processStreams( BufferedReader stderrReader, BufferedReader stdoutReader )

         throws IOException, CommandExecutionException

     {

         Streams streams = new Streams();

         while ( true )

         {

             String line = stderrReader.readLine();

             if ( line == null )

             {

                 break;

             }

             // TODO: I think we need to deal with exit codes instead, but IIRC there are some cases of errors that

             // don't have exit codes ignore this error. TODO: output a warning

             if ( !line.startsWith( "Could not chdir to home directory" )

                  && !line.endsWith( "ttyname: Operation not supported" ) )

             {

                 streams.setErr( streams.getErr() + line + "\n" );

             }

         }

         while ( true )

         {

             String line = stdoutReader.readLine();

             if ( line == null )

             {

                 break;

             }

             streams.setOut( streams.getOut() + line + "\n" );

         }

         // drain the output stream.

         // TODO: we'll save this for the 1.0-alpha-8 line, so we can test it more. the -q arg in the

         // unzip command should keep us until then...

 //            int avail = in.available();

 //            byte[] trashcan = new byte[1024];

 //

 //            while( ( avail = in.available() ) > 0 )

 //            {

 //                in.read( trashcan, 0, avail );

 //            }

         return streams;

     }

 }