001    /*
002    The 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. 
004    You may obtain a copy of the License at http://www.mozilla.org/MPL/ 
005    Software distributed under the License is distributed on an "AS IS" basis, 
006    WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the 
007    specific language governing rights and limitations under the License. 
008    
009    The Original Code is "ReaderThread.java".  Description: 
010    "read from a Reader into a char[] buffer" 
011    
012    The Initial Developer of the Original Code is University Health Network. Copyright (C) 
013    2004.  All Rights Reserved. 
014    
015    Contributor(s): ______________________________________. 
016    
017    Alternatively, the contents of this file may be used under the terms of the 
018    GNU General Public License (the "GPL"), in which case the provisions of the GPL are 
019    applicable instead of those above.  If you wish to allow use of your version of this 
020    file only under the terms of the GPL and not to allow others to use your version 
021    of this file under the MPL, indicate your decision by deleting  the provisions above 
022    and replace  them with the notice and other provisions required by the GPL License.  
023    If you do not delete the provisions above, a recipient may use your version of 
024    this file under either the MPL or the GPL. 
025    */
026    package ca.uhn.hl7v2.protocol.impl;
027    
028    import java.io.IOException;
029    import java.io.Reader;
030    
031    import org.slf4j.Logger;
032    import 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     */
040    public 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    }