/*
* BioJava development code
*
* This code may be freely distributed and modified under the
* terms of the GNU Lesser General Public Licence. This should
* be distributed with the code. If you do not have a copy,
* see:
*
* http://www.gnu.org/copyleft/lesser.html
*
* Copyright for this code is held jointly by the individual
* authors. These should be listed in @author doc comments.
*
* For more information on the BioJava project and its aims,
* or to join the biojava-l mailing list, visit the home page
* at:
*
* http://www.biojava.org/
*
*/
/*
* ReaderInputHandler.java
*/
package org.biojava.utils.process;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.util.logging.Logger;
/**
* Reader {@linkplain org.biojava.utils.process.InputHandler input handler}
* that reads the input for an external process from a
* {@linkplain org.biojava.utils.process.ReaderWriterPipe#getReader() reader}. The
* {@linkplain org.biojava.utils.process.StreamPipe#getOutput() output stream} for
* the input of the external process is closed after the reader is read
* to its end.
* @author Martin Szugat
* @version $Revision: 3634 $
*/
public class ReaderInputHandler extends ReaderWriterPipe implements
InputHandler {
/* STATIC FIELDS */
/**
* The class logger.
*/
private static final Logger LOGGER = Logger
.getLogger(ReaderInputHandler.class.getName());
/* PRIVATE FIELDS */
/**
* The output stream for the external process.
*/
private OutputStream output = null;
/* PUBLIC CONSTRUCTORS */
/**
* Initializes the reader input handler.
* @param reader the reader from which to read the input for the external
* process. May be null
.
* @param tag a tag for logging. May be null
.
*/
public ReaderInputHandler(Reader reader, String tag) {
super(reader, null, tag);
}
/* INTERFACE OutputHandler */
/**
* {@inheritDoc}
*/
public void setOutput(OutputStream output) {
this.output = output;
if (output != null) {
setWriter(new OutputStreamWriter(output));
}
}
/* INTERFACE OutputHandler */
/**
* {@inheritDoc}
*/
public OutputStream getOutput() {
return output;
}
/* INTERFACE Runnable */
/**
* {@inheritDoc}
*/
public void run() {
super.run();
try {
getWriter().close();
} catch (IOException e) {
LOGGER.severe(e.toString());
}
}
}