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java.lang.Objectorg.apache.uima.pear.util.ProcessUtil.Runner
public static class ProcessUtil.Runner
The ProcessUtil.Runner class allows collecting, printing and distributing
console output (stdout and stderr) of the specified Process without blocking the
caller. It allows adding standard stream listeners to receive messages printed to the console
by selected process.
| Constructor Summary | |
|---|---|
ProcessUtil.Runner(Process aProcess)
Constructor that takes a given Process object and assigns default process
name. |
|
ProcessUtil.Runner(Process aProcess,
String procName)
Constructor that takes a given Process object and a given process name. |
|
ProcessUtil.Runner(Process aProcess,
String procName,
boolean printToConsole)
Constructor that takes a given Process object, a given process name, and a
given boolean flag that enables/disables console printing. |
|
| Method Summary | |
|---|---|
void |
addStreamListener(ProcessUtil.StdStreamListener listener)
Adds a given object, implementing the StdStreamListener interface to the list
of standard stream listeners. |
String |
getErrOutput()
|
int |
getExitCode()
|
Process |
getProcess()
|
String |
getStdOutput()
|
void |
removeListener(ProcessUtil.StdStreamListener listener)
Removes a given StdStreamListener object from the list of standard stream
listeners. |
void |
run()
Implements the Runnable.run() method, collecting and printing standard output
or standard error messages during the process execution. |
int |
waitFor()
Allows the caller to wait for the completion of the process. |
int |
waitFor(long timeout)
Allows the caller to wait for the completion of the process, but no longer than a given timeout value. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public ProcessUtil.Runner(Process aProcess)
Process object and assigns default process
name.
aProcess - The given Process object.
public ProcessUtil.Runner(Process aProcess,
String procName)
Process object and a given process name.
aProcess - The given Process object.procName - The given process name.
public ProcessUtil.Runner(Process aProcess,
String procName,
boolean printToConsole)
Process object, a given process name, and a
given boolean flag that enables/disables console printing. If the given
process name is null, the default process name is assigned.
aProcess - The given Process object.procName - The given process name.printToConsole - boolean flag that enables/disables console printing.| Method Detail |
|---|
public void addStreamListener(ProcessUtil.StdStreamListener listener)
StdStreamListener interface to the list
of standard stream listeners. Sends to the new listener previously printed standard error and
standard output messages.
listener - The given new standard stream listener.public int getExitCode()
Integer.MAX_VALUE.public String getErrOutput()
public Process getProcess()
public String getStdOutput()
public void removeListener(ProcessUtil.StdStreamListener listener)
StdStreamListener object from the list of standard stream
listeners.
listener - The given StdStreamListener object to be removed from the list.public void run()
Runnable.run() method, collecting and printing standard output
or standard error messages during the process execution.
run in interface Runnablepublic int waitFor()
public int waitFor(long timeout)
timeout - The given timeout value (ms).
Integer.MAX_VALUE, if the process has not
finished yet.
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