Package org.junit.platform.launcher.core

Class StreamInterceptor

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

java.io.PrintStream

org.junit.platform.launcher.core.StreamInterceptor

All Implemented Interfaces:

java.io.Closeable, java.io.Flushable, java.lang.Appendable, java.lang.AutoCloseable

class StreamInterceptor
extends java.io.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 int	maxNumberOfBytesPerThread
private java.util.Deque<StreamInterceptor.RewindableByteArrayOutputStream>	mostRecentOutputs
private java.io.PrintStream	originalStream
private java.lang.ThreadLocal<StreamInterceptor.RewindableByteArrayOutputStream>	output
private java.util.function.Consumer<java.io.PrintStream>	unregisterAction

Fields inherited from class java.io.FilterOutputStream

out

Constructor Summary

Constructors

Modifier	Constructor	Description
private	StreamInterceptor(java.io.PrintStream originalStream, java.util.function.Consumer<java.io.PrintStream> unregisterAction, int maxNumberOfBytesPerThread)

Method Summary

Modifier and Type	Method	Description
(package private) void	capture()
(package private) java.lang.String	consume()
private StreamInterceptor.RewindableByteArrayOutputStream	getOutput()
private void	pushToTop(StreamInterceptor.RewindableByteArrayOutputStream out)
(package private) static java.util.Optional<StreamInterceptor>	register(java.io.PrintStream originalStream, java.util.function.Consumer<java.io.PrintStream> streamSetter, int maxNumberOfBytesPerThread)
(package private) static java.util.Optional<StreamInterceptor>	registerStderr(int maxNumberOfBytesPerThread)
(package private) static java.util.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 java.io.PrintStream

append, append, append, 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

Methods inherited from class java.io.OutputStream

nullOutputStream

Methods inherited from class java.lang.Object

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

Field Detail

mostRecentOutputs

private final java.util.Deque<StreamInterceptor.RewindableByteArrayOutputStream> mostRecentOutputs

originalStream

private final java.io.PrintStream originalStream

unregisterAction

private final java.util.function.Consumer<java.io.PrintStream> unregisterAction

maxNumberOfBytesPerThread

private final int maxNumberOfBytesPerThread

output

private final java.lang.ThreadLocal<StreamInterceptor.RewindableByteArrayOutputStream> output

Constructor Detail

StreamInterceptor

private StreamInterceptor(java.io.PrintStream originalStream,
                          java.util.function.Consumer<java.io.PrintStream> unregisterAction,
                          int maxNumberOfBytesPerThread)

Method Detail

registerStdout

static java.util.Optional<StreamInterceptor> registerStdout(int maxNumberOfBytesPerThread)

registerStderr

static java.util.Optional<StreamInterceptor> registerStderr(int maxNumberOfBytesPerThread)

register

static java.util.Optional<StreamInterceptor> register(java.io.PrintStream originalStream,
                                                      java.util.function.Consumer<java.io.PrintStream> streamSetter,
                                                      int maxNumberOfBytesPerThread)

capture

void capture()

consume

java.lang.String consume()

unregister

void unregister()

write

public void write(int b)

Overrides:

write in class java.io.PrintStream

write

public void write(byte[] b)

Overrides:

write in class java.io.FilterOutputStream

write

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

Overrides:

write in class java.io.PrintStream

pushToTop

private void pushToTop(StreamInterceptor.RewindableByteArrayOutputStream out)

getOutput

private StreamInterceptor.RewindableByteArrayOutputStream getOutput()