Package VASSAL.tools.io

Class CompositeInputStream

java.lang.Object

java.io.InputStream

VASSAL.tools.io.CompositeInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class CompositeInputStream
extends InputStream

An InputStream which concatenates other InputStreams. As with SequenceInputStream, the first stream is read until EOF, followed by the second, and so on, until all input streams are exhausted. Note: SequenceInputStream.available() returns only the number of bytes available from the current stream in the sequence, which makes it difficult to efficiently allocate a buffer into which to read the bytes.

Since:

3.1.0

Author:

Joel Uckelman

See Also:

SequenceInputStream

Field Summary

Fields

Modifier and Type	Field	Description
protected InputStream	in
protected Queue<InputStream>	queue

Constructor Summary

Constructors

Constructor	Description
CompositeInputStream(InputStream... streams)	Creates a CompositeInputStream from the given sequence of InputStreams.
CompositeInputStream(List<InputStream> streams)	Creates a CompositeInputStream from the given sequence of InputStreams.

Method Summary

Modifier and Type

Method

Description

int

available()

void

close()

protected void

nextStream()

int

read()

int

read(byte[] b, int off, int len)

Methods inherited from class java.io.InputStream

mark, markSupported, nullInputStream, read, readAllBytes, readNBytes, readNBytes, reset, skip, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Field Details

queue

protected final Queue<InputStream> queue

in

protected InputStream in

Constructor Details

CompositeInputStream

public CompositeInputStream(List<InputStream> streams)

Creates a CompositeInputStream from the given sequence of InputStreams.

Parameters:

streams - the InputStreams to be concatenated

CompositeInputStream

public CompositeInputStream(InputStream... streams)

Creates a CompositeInputStream from the given sequence of InputStreams.

Parameters:

streams - the InputStreams to be concatenated

Method Details

nextStream

protected void nextStream()
                   throws IOException

Throws:

IOException

available

public int available()
              throws IOException

Overrides:

available in class InputStream

Throws:

IOException

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public int read(byte[] b,
 int off,
 int len)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class InputStream

Throws:

IOException