public class SystemOutputInterceptor extends FilterOutputStream
Intercepts System.out/System.err. Implementation helper for Console.groovy.
Constructor and description |
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SystemOutputInterceptor
(Closure callback) Constructor |
SystemOutputInterceptor
(Closure callback, boolean output) Constructor |
Type Params | Return Type | Name and description |
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protected Integer |
initialValue() |
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void |
removeConsoleId() Threads executing a script should call this method after execution completes in order to unregister the consoleId. |
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void |
setConsoleId(int consoleId) Threads executing a script should call this method at the start of execution in order to set the id of the console that is hosting the thread of execution. |
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void |
start() Starts intercepting System.out/System.err |
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void |
stop() Stops intercepting System.out/System.err, sending output to wherever it was going when this interceptor was created. |
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void |
write(byte[] b, int off, int len) Intercepts output - more common case of byte[] |
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void |
write(int b) Intercepts output - single characters |
Constructor
callback
- accepts the id of the target Console instance and 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.Constructor
callback
- accepts the id of the target Console instance and 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.errThreads executing a script should call this method after execution completes in order to unregister the consoleId.
Threads executing a script should call this method at the start of execution in order to set the id of the console that is hosting the thread of execution. This should be called prior to any output that is generated. The consoleId will be passed to the callback.
consoleId
- id of the Console instance executing the scriptStarts intercepting System.out/System.err
Stops intercepting System.out/System.err, sending output to wherever it was going when this interceptor was created.
Intercepts output - more common case of byte[]
Intercepts output - single characters
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