de.intarsys.tools.reader
Class LogReader
java.lang.Object
java.io.Reader
java.io.FilterReader
de.intarsys.tools.reader.LogReader
- All Implemented Interfaces:
- java.io.Closeable, java.lang.Readable
public class LogReader
- extends java.io.FilterReader
A reader that logs any char read.
The reader is piped in the reading process, any characters read are written
to an associated writer object.
Client -> LogReader -> Reader -> Source
|
v
Writer
todo make closing of associated writer configurable
Fields inherited from class java.io.FilterReader |
in |
Fields inherited from class java.io.Reader |
lock |
Constructor Summary |
LogReader(java.io.Reader in,
java.io.Writer w)
|
Method Summary |
void |
close()
|
java.io.Writer |
getLog()
|
int |
read()
|
int |
read(char[] cbuf,
int off,
int len)
Read characters into a portion of an array. |
void |
setLog(java.io.Writer newLog)
|
Methods inherited from class java.io.FilterReader |
mark, markSupported, ready, reset, skip |
Methods inherited from class java.io.Reader |
read, read |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
LogReader
public LogReader(java.io.Reader in,
java.io.Writer w)
close
public void close()
throws java.io.IOException
- Specified by:
close
in interface java.io.Closeable
- Overrides:
close
in class java.io.FilterReader
- Throws:
java.io.IOException
getLog
public java.io.Writer getLog()
read
public int read()
throws java.io.IOException
- Overrides:
read
in class java.io.FilterReader
- Throws:
java.io.IOException
read
public int read(char[] cbuf,
int off,
int len)
throws java.io.IOException
- Read characters into a portion of an array. This method will block until
some input is available, an I/O error occurs, or the end of the stream is
reached.
- Overrides:
read
in class java.io.FilterReader
- Parameters:
cbuf
- Destination bufferoff
- Offset at which to start storing characterslen
- Maximum number of characters to read
- Returns:
- The number of characters read, or -1 if the end of the stream has
been reached
- Throws:
java.io.IOException
- If an I/O error occurs
setLog
public void setLog(java.io.Writer newLog)