001    /*
002     * Copyright 2005 Stephen J. McConnell.
003     *
004     * Licensed  under the  Apache License,  Version 2.0  (the "License");
005     * you may not use  this file  except in  compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     *   http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed  under the  License is distributed on an "AS IS" BASIS,
012     * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY KIND, either  express  or
013     * implied.
014     *
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    
019    package net.dpml.station.server; 
020    
021    import java.io.IOException;
022    import java.io.BufferedReader;
023    import java.io.InputStream;
024    import java.io.InputStreamReader;
025    
026    import net.dpml.util.Logger;
027    
028    /**
029     * Stream reader utility class.
030     *
031     * @author <a href="http://www.dpml.net">Digital Product Meta Library</a>
032     * @version 1.0.3
033     */
034    public class ErrorStreamReader extends StreamReader
035    {
036       /**
037        * Creation of a process output reader.
038        * @param logger the assigned logging channel
039        * @param input the subprocess input stream
040        */
041        public ErrorStreamReader( Logger logger, InputStream input )
042        {
043            super( logger, input );
044        }
045    
046       /**
047        * Start the stream reader.
048        */
049        public void run()
050        {
051            try
052            {
053                InputStreamReader isr = new InputStreamReader( getInputStream() );
054                BufferedReader reader = new BufferedReader( isr );
055                String line = null;
056                while( ( line = reader.readLine() ) != null )
057                {
058                    getLogger().debug( "# " + line );
059                }
060            }
061            catch( IOException e )
062            {
063                getLogger().error( "Process read error.", e );
064            }
065        }
066    }