Package de.pdark.decentxml

Class JoinedInputStream

java.lang.Object

java.io.InputStream

de.pdark.decentxml.JoinedInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class JoinedInputStream
extends InputStream

This class allows to join several InputStream's into one.

Reading from an instance of JoinedInputStream will read each underlying InputStream until it is depleted and then continue with the next one.

Depleted InputStream's will be closed as soon as possible.

Field Summary

Fields

Modifier and Type	Field	Description
private List<InputStream>	streams

Constructor Summary

Constructors

Constructor	Description
JoinedInputStream()

Method Summary

Modifier and Type	Method	Description
JoinedInputStream	add(InputStream in)	Add another InputStream.
void	close()
private void	popStream()	Remove the current InputStream and close it.
int	read()
int	read(byte[] b, int off, int len)

Methods inherited from class java.io.InputStream

available, mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Field Details

streams

private List<InputStream> streams

Constructor Details

JoinedInputStream

public JoinedInputStream()

Method Details

add

public JoinedInputStream add(InputStream in)

Add another InputStream.

It is allowed to add more InputStream's even after reading has started.

It is illegal to add more streams after the joined stream has been closed.

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

popStream

private void popStream()
                throws IOException

Remove the current InputStream and close it.

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