Streams (TrueZIP Kernel 7.0-rc1 API)

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TrueZIP Kernel 7.0-rc1

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de.schlichtherle.truezip.io
Class Streams

java.lang.Object
  de.schlichtherle.truezip.io.Streams

@DefaultAnnotation(value=edu.umd.cs.findbugs.annotations.NonNull.class) public final class Streams
extends Object
extends Object

Provides static utility methods for InputStreams and OutputStreams.

Author:: Christian Schlichtherle

Nested Class Summary
`private static class`	`Streams.Buffer` A buffer for I/O.
`private static class`	`Streams.InputStreamReaderThreadFactory` A factory for input stream reader threads.

Field Summary
`private static ExecutorService`	`executor`

Constructor Summary
`private`	`Streams()` You cannot instantiate this class.

Method Summary
`private static Streams.Buffer[]`	`allocateBuffers()`
`static void`	`cat(InputStream in, OutputStream out)` Copies the data from the given input stream to the given output stream without closing them.
`static void`	`copy(InputStream in, OutputStream out)` Copies the data from the given input stream to the given output stream and always closes both streams - even if an exception occurs.
`private static void`	`releaseBuffers(Streams.Buffer[] buffers)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

executor

private static final ExecutorService executor

Constructor Detail

Streams

private Streams()

You cannot instantiate this class.

Method Detail

copy

public static void copy(InputStream in,
                        OutputStream out)
                 throws IOException

Copies the data from the given input stream to the given output stream and always closes both streams - even if an exception occurs.

This is a high performance implementation which uses a pooled background thread to fill a FIFO of data buffers which is concurrently flushed by the current thread.

Parameters:: in - the input stream.; out - the output stream.
Throws:: InputException - if copying the data fails because of an IOException in the input stream.; IOException - if copying the data fails because of an IOException in the output stream.

cat

public static void cat(InputStream in,
                       OutputStream out)
                throws IOException

Copies the data from the given input stream to the given output stream without closing them. The name of this method is inspired by the Unix command line utility cat because you could use it to concatenate the contents of multiple streams.