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groovy.ui
[Java] Class SystemOutputInterceptor

java.lang.Object
  java.io.OutputStream
      java.io.FilterOutputStream
          groovy.ui.SystemOutputInterceptor

public class SystemOutputInterceptor
extends java.io.FilterOutputStream

Intercepts System.out/System.err. Implementation helper for Console.groovy.

Version:
\$Id\$

Constructor Summary
SystemOutputInterceptor(Closure callback)

Constructor
SystemOutputInterceptor(Closure callback, boolean output)

Constructor
 
Method Summary
void start()

Starts intercepting System.out/System.err
void stop()

Stops intercepting System.out/System.err, sending output to wherever it was going when this interceptor was created.
void write(byte[] b, int off, int len)

Intercepts output - moret common case of byte[]
void write(int b)

Intercepts output - single characters
 
Methods inherited from class java.io.FilterOutputStream
java.io.FilterOutputStream#write([B, int, int), java.io.FilterOutputStream#write([B), java.io.FilterOutputStream#write(int), java.io.FilterOutputStream#close(), java.io.FilterOutputStream#flush(), java.io.FilterOutputStream#wait(long, int), java.io.FilterOutputStream#wait(long), java.io.FilterOutputStream#wait(), java.io.FilterOutputStream#equals(java.lang.Object), java.io.FilterOutputStream#toString(), java.io.FilterOutputStream#hashCode(), java.io.FilterOutputStream#getClass(), java.io.FilterOutputStream#notify(), java.io.FilterOutputStream#notifyAll()
 
Methods inherited from class java.io.OutputStream
java.io.OutputStream#write([B, int, int), java.io.OutputStream#write([B), java.io.OutputStream#write(int), java.io.OutputStream#close(), java.io.OutputStream#flush(), java.io.OutputStream#wait(long, int), java.io.OutputStream#wait(long), java.io.OutputStream#wait(), java.io.OutputStream#equals(java.lang.Object), java.io.OutputStream#toString(), java.io.OutputStream#hashCode(), java.io.OutputStream#getClass(), java.io.OutputStream#notify(), java.io.OutputStream#notifyAll()
 

Constructor Detail

SystemOutputInterceptor

public SystemOutputInterceptor(Closure callback)
Constructor
Parameters:
callback - accepts a string to be sent to std out and returns a Boolean. If the return value is true, output will be sent to System.out, otherwise it will not.

SystemOutputInterceptor

public SystemOutputInterceptor(Closure callback, boolean output)
Constructor
Parameters:
callback - accepts a string to be sent to std out and returns a Boolean. If the return value is true, output will be sent to System.out/System.err, otherwise it will not.
output - flag that tells whether System.out needs capturing ot System.err

 
Method Detail

start

public void start()
Starts intercepting System.out/System.err

stop

public void stop()
Stops intercepting System.out/System.err, sending output to wherever it was going when this interceptor was created.

write

public void write(byte[] b, int off, int len)
Intercepts output - moret common case of byte[]

write

public void write(int b)
Intercepts output - single characters

 

Groovy Documentation