Package de.iip_ecosphere.platform.support.plugins

Class StreamGobbler

java.lang.Object

java.lang.Thread

de.iip_ecosphere.platform.support.plugins.StreamGobbler

All Implemented Interfaces:

Runnable

public class StreamGobbler
extends Thread

Simple process stream gobbler.

Author:

Holger Eichelberger, SSE

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

Thread.Builder, Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field	Description
private Consumer<String>	consumer
private InputStream	in
private PrintStream	out

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor	Description
StreamGobbler(InputStream in, PrintStream out)	Creates a stream gobbler.

Method Summary

Modifier and Type	Method	Description
StreamGobbler	addConsumer(Consumer<String> consumer)	Adds a line consumer.
static void	attach(Process process)	Attaches two default stream gobblers to the given process.
static void	attach(Process process, PrintStream out, Consumer<String> outConsumer, PrintStream err, Consumer<String> errConsumer)	Attaches two stream gobblers to the given process with given consumers.
static void	attach(Process process, Consumer<String> outConsumer, Consumer<String> errConsumer)	Attaches two default stream gobblers to the given process with given consumers.
void	run()

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, isVirtual, join, join, join, join, ofPlatform, ofVirtual, onSpinWait, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, sleep, start, startVirtualThread, stop, suspend, threadId, toString, yield

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

in

private InputStream in

out

private PrintStream out

consumer

private Consumer<String> consumer

Constructor Details

StreamGobbler

public StreamGobbler(InputStream in,
 PrintStream out)

Creates a stream gobbler.

Parameters:

in - the process stream

out - the output stream where to write the process output to

Method Details

addConsumer

public StreamGobbler addConsumer(Consumer<String> consumer)

Adds a line consumer.

Parameters:

consumer - the line consumer, may be null for none

Returns:

this for chaining

run

public void run()

Specified by:

run in interface Runnable

Overrides:

run in class Thread

attach

public static void attach(Process process)

Attaches two default stream gobblers to the given process.

Parameters:

process - the process to attach to

attach

public static void attach(Process process,
 Consumer<String> outConsumer,
 Consumer<String> errConsumer)

Attaches two default stream gobblers to the given process with given consumers.

Parameters:

process - the process to attach to

outConsumer - the output stream consumer, may be null for none

errConsumer - the error stream consumer, may be null for none

attach

public static void attach(Process process,
 PrintStream out,
 Consumer<String> outConsumer,
 PrintStream err,
 Consumer<String> errConsumer)

Attaches two stream gobblers to the given process with given consumers.

Parameters:

process - the process to attach to

out - the stream where the process output shall be written to

outConsumer - the output stream consumer, may be null for none

err - the stream where the process errors shall be written to

errConsumer - the error stream consumer, may be null for none