org.apache.log4j.performance: public class: NOPWriter

org.apache.log4j.performance
public class: NOPWriter [javadoc | source]

java.lang.Object
   java.io.Writer
      org.apache.log4j.performance.NOPWriter

All Implemented Interfaces:
Closeable, Flushable, Appendable

Extends Writer with methods that return immediately without doing anything. This class is used to measure the cost of constructing a log message but not actually writing to any device.

The org.apache.log4j.performance.NOPWriter class is intended for internal use only. Consequently, it is not included in the log4j.jar file.

author: Ceki - Gülcü

Method from org.apache.log4j.performance.NOPWriter Summary:
close, flush, write, write, write, write, write

Methods from java.io.Writer:
append, append, append, append, append, append, close, flush, write, write, write, write, write

Methods from java.lang.Object:
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from org.apache.log4j.performance.NOPWriter Detail:
public void close() throws IOException { System.err.println("Close called."); }
public void flush() throws IOException { }
public void write(char[] cbuf) throws IOException { }
public void write(int b) throws IOException { }
public void write(String s) throws IOException { }
public void write(char[] cbuf, int off, int len) throws IOException { }
public void write(String s, int off, int len) throws IOException { }