com.ibm.commons.util.io
Class TraceReader

java.lang.Object
  extended by java.io.Reader
      extended by com.ibm.commons.util.io.TraceReader
All Implemented Interfaces:
java.io.Closeable, java.lang.Readable

public class TraceReader
extends java.io.Reader

This class is simply a wrapper to an original stream that traces the characters read.

It is useful to display each character that is read from a Reader without consuming them.


Field Summary
 
Fields inherited from class java.io.Reader
lock
 
Constructor Summary
TraceReader(java.io.Reader reader, java.io.Writer trace)
           
 
Method Summary
 void close()
           
 int read()
           
 int read(char[] cbuf, int off, int len)
           
 
Methods inherited from class java.io.Reader
mark, markSupported, read, read, ready, reset, skip
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

TraceReader

public TraceReader(java.io.Reader reader,
                   java.io.Writer trace)
Method Detail

close

public void close()
           throws java.io.IOException
Specified by:
close in interface java.io.Closeable
Specified by:
close in class java.io.Reader
Throws:
java.io.IOException

read

public int read()
         throws java.io.IOException
Overrides:
read in class java.io.Reader
Throws:
java.io.IOException

read

public int read(char[] cbuf,
                int off,
                int len)
         throws java.io.IOException
Specified by:
read in class java.io.Reader
Throws:
java.io.IOException