Class StreamInterceptor

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

java.io.PrintStream

org.junit.platform.launcher.core.StreamInterceptor

All Implemented Interfaces:

Closeable, Flushable, Appendable, AutoCloseable

class StreamInterceptor
extends PrintStream

Since:

1.3

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	StreamInterceptor.RewindableByteArrayOutputStream

Field Summary

Fields

Modifier and Type	Field	Description
private final int	maxNumberOfBytesPerThread
private final Deque<StreamInterceptor.RewindableByteArrayOutputStream>	mostRecentOutputs
private final PrintStream	originalStream
private final ThreadLocal<StreamInterceptor.RewindableByteArrayOutputStream>	output
private final Consumer<PrintStream>	unregisterAction

Fields inherited from class FilterOutputStream

out

Constructor Summary

Constructors

Modifier	Constructor	Description
private	StreamInterceptor(PrintStream originalStream, Consumer<PrintStream> unregisterAction, int maxNumberOfBytesPerThread)

Method Summary

Modifier and Type	Method	Description
(package private) void	capture()
(package private) String	consume()
private StreamInterceptor.RewindableByteArrayOutputStream	getOutput()
private void	pushToTop(StreamInterceptor.RewindableByteArrayOutputStream out)
(package private) static Optional<StreamInterceptor>	register(PrintStream originalStream, Consumer<PrintStream> streamSetter, int maxNumberOfBytesPerThread)
(package private) static Optional<StreamInterceptor>	registerStderr(int maxNumberOfBytesPerThread)
(package private) static Optional<StreamInterceptor>	registerStdout(int maxNumberOfBytesPerThread)
(package private) void	unregister()
void	write(byte[] b)
void	write(byte[] buf, int off, int len)
void	write(int b)

Methods inherited from class PrintStream

append, append, append, charset, checkError, clearError, close, flush, format, format, print, print, print, print, print, print, print, print, print, printf, printf, println, println, println, println, println, println, println, println, println, println, setError, writeBytes

Methods inherited from class OutputStream

nullOutputStream

Methods inherited from class Object

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

Field Details

mostRecentOutputs

private final Deque<StreamInterceptor.RewindableByteArrayOutputStream> mostRecentOutputs

originalStream

private final PrintStream originalStream

unregisterAction

private final Consumer<PrintStream> unregisterAction

maxNumberOfBytesPerThread

private final int maxNumberOfBytesPerThread

output

private final ThreadLocal<StreamInterceptor.RewindableByteArrayOutputStream> output

Constructor Details

StreamInterceptor

private StreamInterceptor(PrintStream originalStream,
 Consumer<PrintStream> unregisterAction,
 int maxNumberOfBytesPerThread)

Method Details

registerStdout

static Optional<StreamInterceptor> registerStdout(int maxNumberOfBytesPerThread)

registerStderr

static Optional<StreamInterceptor> registerStderr(int maxNumberOfBytesPerThread)

register

static Optional<StreamInterceptor> register(PrintStream originalStream,
 Consumer<PrintStream> streamSetter,
 int maxNumberOfBytesPerThread)

capture

void capture()

consume

String consume()

unregister

void unregister()

write

public void write(int b)

Overrides:

write in class PrintStream

write

public void write(byte[] b)

Overrides:

write in class PrintStream

write

public void write(byte[] buf,
 int off,
 int len)

Overrides:

write in class PrintStream

pushToTop

private void pushToTop(StreamInterceptor.RewindableByteArrayOutputStream out)

getOutput

private StreamInterceptor.RewindableByteArrayOutputStream getOutput()