Package org.apache.tomcat.util.log
Class SystemLogHandler
java.lang.Object
java.io.OutputStream
java.io.FilterOutputStream
java.io.PrintStream
org.apache.tomcat.util.log.SystemLogHandler
- All Implemented Interfaces:
Closeable
,Flushable
,Appendable
,AutoCloseable
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
-
Constructor Summary
ConstructorDescriptionSystemLogHandler
(PrintStream wrapped) Construct the handler to capture the output of the given steam. -
Method Summary
Modifier and TypeMethodDescriptionboolean
void
close()
protected PrintStream
Find PrintStream to which the output must be written to.void
flush()
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
void
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
void
protected void
setError()
static void
Start capturing thread's output.static String
Stop capturing thread's output.void
write
(byte[] b) void
write
(byte[] buf, int off, int len) void
write
(int b) Methods inherited from class java.io.PrintStream
append, append, append, clearError, format, format, printf, printf, writeBytes
Methods inherited from class java.io.OutputStream
nullOutputStream
-
Constructor Details
-
SystemLogHandler
Construct the handler to capture the output of the given steam.- Parameters:
wrapped
- The stream to capture
-
-
Method Details
-
startCapture
public static void startCapture()Start capturing thread's output. -
stopCapture
Stop capturing thread's output.- Returns:
- The captured data
-
findStream
Find PrintStream to which the output must be written to.- Returns:
- the print stream
-
flush
public void flush()- Specified by:
flush
in interfaceFlushable
- Overrides:
flush
in classPrintStream
-
close
public void close()- Specified by:
close
in interfaceAutoCloseable
- Specified by:
close
in interfaceCloseable
- Overrides:
close
in classPrintStream
-
checkError
public boolean checkError()- Overrides:
checkError
in classPrintStream
-
setError
protected void setError()- Overrides:
setError
in classPrintStream
-
write
public void write(int b) - Overrides:
write
in classPrintStream
-
write
- Overrides:
write
in classPrintStream
- Throws:
IOException
-
write
public void write(byte[] buf, int off, int len) - Overrides:
write
in classPrintStream
-
print
public void print(boolean b) - Overrides:
print
in classPrintStream
-
print
public void print(char c) - Overrides:
print
in classPrintStream
-
print
public void print(int i) - Overrides:
print
in classPrintStream
-
print
public void print(long l) - Overrides:
print
in classPrintStream
-
print
public void print(float f) - Overrides:
print
in classPrintStream
-
print
public void print(double d) - Overrides:
print
in classPrintStream
-
print
public void print(char[] s) - Overrides:
print
in classPrintStream
-
print
- Overrides:
print
in classPrintStream
-
print
- Overrides:
print
in classPrintStream
-
println
public void println()- Overrides:
println
in classPrintStream
-
println
public void println(boolean x) - Overrides:
println
in classPrintStream
-
println
public void println(char x) - Overrides:
println
in classPrintStream
-
println
public void println(int x) - Overrides:
println
in classPrintStream
-
println
public void println(long x) - Overrides:
println
in classPrintStream
-
println
public void println(float x) - Overrides:
println
in classPrintStream
-
println
public void println(double x) - Overrides:
println
in classPrintStream
-
println
public void println(char[] x) - Overrides:
println
in classPrintStream
-
println
- Overrides:
println
in classPrintStream
-
println
- Overrides:
println
in classPrintStream
-