de.pdark.decentxml

Class JoinedInputStream

java.lang.Object

java.io.InputStream

de.pdark.decentxml.JoinedInputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class JoinedInputStream
extends java.io.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 and Description
private java.util.List<java.io.InputStream>	streams

Constructor Summary

Constructors

Constructor and Description
JoinedInputStream()

Method Summary

Modifier and Type	Method and Description
JoinedInputStream	add(java.io.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 Detail

streams

private java.util.List<java.io.InputStream> streams

Constructor Detail

JoinedInputStream

public JoinedInputStream()

Method Detail

add

public JoinedInputStream add(java.io.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 java.io.IOException

Specified by:

read in class java.io.InputStream

Throws:

java.io.IOException

popStream

private void popStream()
                throws java.io.IOException

Remove the current InputStream and close it.

Throws:

java.io.IOException

read

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

Overrides:

read in class java.io.InputStream

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class java.io.InputStream

Throws:

java.io.IOException