org.apache.tomcat.util.log

Class SystemLogHandler

public class SystemLogHandler extends PrintStream

This helper class may be used to do sophisticated redirection of System.out and System.err on a per Thread basis. A stack is implemented per Thread so that nested startCapture and stopCapture can be used.

Author: Remy Maucherat Glenn L. Nielsen

Field Summary
protected static ThreadLocal	logs Thread <-> CaptureLog associations.
protected PrintStream	out Wrapped PrintStream.
protected static Stack	reuse Spare CaptureLog ready for reuse.

Constructor Summary
	SystemLogHandler(PrintStream wrapped) Construct the handler to capture the output of the given steam.

Method Summary
boolean	checkError()
void	close()
protected PrintStream	findStream() Find PrintStream to which the output must be written to.
void	flush()
void	print(boolean b)
void	print(char c)
void	print(int i)
void	print(long l)
void	print(float f)
void	print(double d)
void	print(char[] s)
void	print(String s)
void	print(Object obj)
void	println()
void	println(boolean x)
void	println(char x)
void	println(int x)
void	println(long x)
void	println(float x)
void	println(double x)
void	println(char[] x)
void	println(String x)
void	println(Object x)
protected void	setError()
static void	startCapture() Start capturing thread's output.
static String	stopCapture() Stop capturing thread's output and return captured data as a String.
void	write(int b)
void	write(byte[] b)
void	write(byte[] buf, int off, int len)