com.opensymphony.module.sitemesh.filter
Class RoutablePrintWriter

java.lang.Object
  java.io.Writer
      java.io.PrintWriter
          com.opensymphony.module.sitemesh.filter.RoutablePrintWriter

public class RoutablePrintWriter

extends PrintWriter

Provides a PrintWriter that routes through to another PrintWriter, however the destination can be changed at any point. The destination can be passed in using a factory, so it will not be created until it's actually needed.

Version:

$Revision: 1.1 $

Author:

Joe Walnes

Nested Class Summary

static interface	RoutablePrintWriter.DestinationFactory Factory to lazily instantiate the destination.
private static class	RoutablePrintWriter.NullWriter Just to keep super constructor for PrintWriter happy - it's never actually used.

Field Summary

private PrintWriter	destination
private RoutablePrintWriter.DestinationFactory	factory

Fields inherited from class java.io.PrintWriter

out

Fields inherited from class java.io.Writer

lock

Constructor Summary

RoutablePrintWriter(RoutablePrintWriter.DestinationFactory factory)

Method Summary

boolean	checkError()
void	close()
void	flush()
private PrintWriter	getDestination()
void	print(boolean b)
void	print(char c)
void	print(char[] s)
void	print(double d)
void	print(float f)
void	print(int i)
void	print(long l)
void	print(Object obj)
void	print(String s)
void	println()
void	println(boolean x)
void	println(char x)
void	println(char[] x)
void	println(double x)
void	println(float x)
void	println(int x)
void	println(long x)
void	println(Object x)
void	println(String x)
void	updateDestination(RoutablePrintWriter.DestinationFactory factory)
void	write(char[] buf)
void	write(char[] buf, int off, int len)
void	write(int c)
void	write(String s)
void	write(String s, int off, int len)

Methods inherited from class java.io.PrintWriter

setError

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

destination

private PrintWriter destination

factory

private RoutablePrintWriter.DestinationFactory factory

Constructor Detail

RoutablePrintWriter

public RoutablePrintWriter(RoutablePrintWriter.DestinationFactory factory)

Method Detail

getDestination

private PrintWriter getDestination()

updateDestination

public void updateDestination(RoutablePrintWriter.DestinationFactory factory)

close

public void close()

println

public void println(Object x)

println

public void println(String x)

println

public void println(char[] x)

println

public void println(double x)

println

public void println(float x)

println

public void println(long x)

println

public void println(int x)

println

public void println(char x)

println

public void println(boolean x)

println

public void println()

print

public void print(Object obj)

print

public void print(String s)

print

public void print(char[] s)

print

public void print(double d)

print

public void print(float f)

print

public void print(long l)

print

public void print(int i)

print

public void print(char c)

print

public void print(boolean b)

write

public void write(String s)

write

public void write(String s,
                  int off,
                  int len)

write

public void write(char[] buf)

write

public void write(char[] buf,
                  int off,
                  int len)

write

public void write(int c)

checkError

public boolean checkError()

flush

public void flush()