package ca.uhn.hl7v2.testpanel.util;
   
   import java.io.IOException;
   import java.io.Reader;
   import java.nio.CharBuffer;
   
   public class CharCountingReaderWrapper extends Reader {
   
   	private long myCount = 0;
  	private Reader myWrap;
  
  	public CharCountingReaderWrapper(Reader theWrap) {
  		myWrap = theWrap;
  	}
  
  	/*
  	 * (non-Javadoc)
  	 * 
  	 * @see java.io.Reader#close()
  	 */
  	@Override
  	public void close() throws IOException {
  		myWrap.close();
  	}
  
  	/**
  	 * @return the count
  	 */
  	public long getCount() {
  		return myCount;
  	}
  
  	/*
  	 * (non-Javadoc)
  	 * 
  	 * @see java.io.Reader#mark(int)
  	 */
  	@Override
  	public void mark(int theReadAheadLimit) throws IOException {
  		myWrap.mark(theReadAheadLimit);
  	}
  
  	/*
  	 * (non-Javadoc)
  	 * 
  	 * @see java.io.Reader#markSupported()
  	 */
  	@Override
  	public boolean markSupported() {
  		return myWrap.markSupported();
  	}
  
  	/*
  	 * (non-Javadoc)
  	 * 
  	 * @see java.io.Reader#read()
  	 */
  	@Override
  	public int read() throws IOException {
  		int read = myWrap.read();
  		myCount++;
  		return read;
  	}
  
  	/*
  	 * (non-Javadoc)
  	 * 
  	 * @see java.io.Reader#read(char[])
  	 */
  	@Override
  	public int read(char[] theCbuf) throws IOException {
  		int read = myWrap.read(theCbuf);
  		myCount += read;
  		return read;
  	}
  
  	/*
  	 * (non-Javadoc)
  	 * 
  	 * @see java.io.Reader#read(char[], int, int)
  	 */
  	@Override
  	public int read(char[] theCbuf, int theOff, int theLen) throws IOException {
  		int read = myWrap.read(theCbuf, theOff, theLen);
  		myCount += read;
  		return read;
  	}
  
  	/*
  	 * (non-Javadoc)
  	 * 
  	 * @see java.io.Reader#read(java.nio.CharBuffer)
  	 */
  	@Override
  	public int read(CharBuffer theTarget) throws IOException {
  		int read = myWrap.read(theTarget);
  		myCount += read;
  		return read;
  	}
 
 	/*
 	 * (non-Javadoc)
 	 * 
 	 * @see java.io.Reader#ready()
 	 */
 	@Override
 	public boolean ready() throws IOException {
 		return myWrap.ready();
 	}
 
 	/*
 	 * (non-Javadoc)
 	 * 
 	 * @see java.io.Reader#reset()
 	 */
 	@Override
 	public void reset() throws IOException {
 		myCount = 0;
 		myWrap.reset();
 	}
 
 	/*
 	 * (non-Javadoc)
 	 * 
 	 * @see java.io.Reader#skip(long)
 	 */
 	@Override
 	public long skip(long theN) throws IOException {
 		long skip = myWrap.skip(theN);
 		myCount += skip;
 		return skip;
 	}
 
 }