edu.rice.cs.plt.io
Class WrappedDirectInputStream

java.lang.Object
  java.io.InputStream
      edu.rice.cs.plt.io.DirectInputStream
          edu.rice.cs.plt.io.WrappedDirectInputStream

All Implemented Interfaces:

Composite, java.io.Closeable

public class WrappedDirectInputStream
extends DirectInputStream
implements Composite

An implementation of DirectInputStream that inherits that class's default implementations and delegates all other operations to the wrapped InputStream.

Field Summary

Fields inherited from class edu.rice.cs.plt.io.DirectInputStream

DEFAULT_BUFFER_SIZE

Constructor Summary

WrappedDirectInputStream(java.io.InputStream stream)

Method Summary

int	available()
void	close()
int	compositeHeight() Get the maximum path length from this node to a leaf.
int	compositeSize() Get the number of nodes in the tree rooted at this node.
static DirectInputStream	makeDirect(java.io.InputStream stream) If the input is a DirectInputStream, cast it; otherwise, create a WrappedDirectInputStream.
void	mark(int readAheadLimit)
boolean	markSupported()
int	read() Delegate to the more general DirectInputStream.read(byte[], int, int) method
int	read(byte[] bbuf) Delegate to the more general DirectInputStream.read(byte[], int, int) method
int	read(byte[] bbuf, int offset, int length) Subclasses are, at a minimum, required to implement this method.
void	reset()
long	skip(long n)

Methods inherited from class edu.rice.cs.plt.io.DirectInputStream

read, read, read, readAll, readAll, readAll

Methods inherited from class java.lang.Object

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

Constructor Detail

WrappedDirectInputStream

public WrappedDirectInputStream(java.io.InputStream stream)

Method Detail

compositeHeight

public int compositeHeight()

Description copied from interface: Composite

Get the maximum path length from this node to a leaf.

Specified by:

compositeHeight in interface Composite

compositeSize

public int compositeSize()

Description copied from interface: Composite

Get the number of nodes in the tree rooted at this node. Always 1 or greater.

Specified by:

compositeSize in interface Composite

available

public int available()
              throws java.io.IOException

Overrides:

available 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

Overrides:

close in class java.io.InputStream

Throws:

java.io.IOException

mark

public void mark(int readAheadLimit)

Overrides:

mark in class java.io.InputStream

markSupported

public boolean markSupported()

Overrides:

markSupported in class java.io.InputStream

read

public int read()
         throws java.io.IOException

Description copied from class: DirectInputStream

Delegate to the more general DirectInputStream.read(byte[], int, int) method

Overrides:

read in class DirectInputStream

Throws:

java.io.IOException

read

public int read(byte[] bbuf)
         throws java.io.IOException

Description copied from class: DirectInputStream

Delegate to the more general DirectInputStream.read(byte[], int, int) method

Overrides:

read in class DirectInputStream

Throws:

java.io.IOException

read

public int read(byte[] bbuf,
                int offset,
                int length)
         throws java.io.IOException

Description copied from class: DirectInputStream

Subclasses are, at a minimum, required to implement this method.

Specified by:

read in class DirectInputStream

Throws:

java.io.IOException

reset

public void reset()
           throws java.io.IOException

Overrides:

reset in class java.io.InputStream

Throws:

java.io.IOException

skip

public long skip(long n)
          throws java.io.IOException

Overrides:

skip in class java.io.InputStream

Throws:

java.io.IOException

makeDirect

public static DirectInputStream makeDirect(java.io.InputStream stream)

If the input is a DirectInputStream, cast it; otherwise, create a WrappedDirectInputStream.