001/*
002The contents of this file are subject to the Mozilla Public License Version 1.1 
003(the "License"); you may not use this file except in compliance with the License. 
004You may obtain a copy of the License at http://www.mozilla.org/MPL/ 
005Software distributed under the License is distributed on an "AS IS" basis, 
006WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the 
007specific language governing rights and limitations under the License. 
008
009The Original Code is "ReaderThread.java".  Description: 
010"read from a Reader into a char[] buffer" 
011
012The Initial Developer of the Original Code is University Health Network. Copyright (C) 
0132004.  All Rights Reserved. 
014
015Contributor(s): ______________________________________. 
016
017Alternatively, the contents of this file may be used under the terms of the 
018GNU General Public License (the "GPL"), in which case the provisions of the GPL are 
019applicable instead of those above.  If you wish to allow use of your version of this 
020file only under the terms of the GPL and not to allow others to use your version 
021of this file under the MPL, indicate your decision by deleting  the provisions above 
022and replace  them with the notice and other provisions required by the GPL License.  
023If you do not delete the provisions above, a recipient may use your version of 
024this file under either the MPL or the GPL. 
025*/
026package ca.uhn.hl7v2.protocol.impl;
027
028import java.io.IOException;
029import java.io.Reader;
030
031import org.slf4j.Logger;
032import org.slf4j.LoggerFactory;
033
034/**
035 * The class <code> ReaderThread </code> read from a Reader into a char[] buffer.
036 * 
037 * @author  Alexei Guevara <mailto:alexei.guevara@uhn.on.ca/>
038 * @version $Revision: 1.1 $ updated on $Date: 2007-02-19 02:24:26 $ by $Author: jamesagnew $
039 */
040public class ReaderThread extends Thread {
041    
042    private static final Logger ourLog = LoggerFactory.getLogger( ReaderThread.class );    
043    
044    private final Reader myReader;
045    private final char[] myBuffer;
046    private final IntRef myBytesReadRef;
047    
048    /**
049     * Creates a new instance
050     *
051     * @param theReader the reader for this thread
052     * @param theBuffer the buffer for reading
053     * @param theBytesReadRef stores the number of bytes read
054     */
055    public ReaderThread( Reader theReader, char[] theBuffer, IntRef theBytesReadRef ) {
056        this.myReader = theReader;
057        this.myBuffer = theBuffer;
058        this.myBytesReadRef = theBytesReadRef;
059    }
060
061    /**
062     * @see java.lang.Runnable#run()
063     */
064    public void run() {
065        try {
066            int _bytesRead = myReader.read(myBuffer);
067            
068            myBytesReadRef.setValue( _bytesRead );
069        }
070        catch (IOException e) {
071            ourLog.error(e.getMessage(), e);
072        }
073    }
074
075}