Package groovy.ui
Class SystemOutputInterceptor
java.lang.Object
java.io.OutputStream
java.io.FilterOutputStream
groovy.ui.SystemOutputInterceptor
- All Implemented Interfaces:
Closeable
,Flushable
,AutoCloseable
Intercepts System.out/System.err. Implementation helper for Console.groovy.
- Version:
- $Id$
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Field Summary
Fields inherited from class java.io.FilterOutputStream
out
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Constructor Summary
ConstructorsConstructorDescriptionSystemOutputInterceptor
(Closure callback) ConstructorSystemOutputInterceptor
(Closure callback, boolean output) Constructor -
Method Summary
Modifier and TypeMethodDescriptionvoid
start()
Starts intercepting System.out/System.errvoid
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 charactersMethods inherited from class java.io.FilterOutputStream
close, flush, write
Methods inherited from class java.io.OutputStream
nullOutputStream
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Constructor Details
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SystemOutputInterceptor
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.
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SystemOutputInterceptor
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
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Method Details
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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
Intercepts output - moret common case of byte[]- Overrides:
write
in classFilterOutputStream
- Throws:
IOException
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write
Intercepts output - single characters- Overrides:
write
in classFilterOutputStream
- Throws:
IOException
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