de.intarsys.tools.randomaccess
Class AbstractRandomAccess

java.lang.Object
  de.intarsys.tools.randomaccess.AbstractRandomAccess

All Implemented Interfaces:

IRandomAccess

Direct Known Subclasses:

BufferedRandomAccess, RandomAccessByteArray, RandomAccessFile, RandomAccessFilter

public abstract class AbstractRandomAccess
extends java.lang.Object
implements IRandomAccess

Supports reading and writing to a random access data container. A random access data container behaves like a large array of bytes.

Constructor Summary

AbstractRandomAccess()

Method Summary

java.io.InputStream	asInputStream() A InputStream view on the data structure.
java.io.OutputStream	asOutputStream() A OutputStream view on the data structure.
protected java.util.Stack	getPositionStack()
void	mark() Mark the current offset into the data in a stack like manner.
void	reset() Reset to the last position on the mark-stack.

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.intarsys.tools.randomaccess.IRandomAccess

close, flush, getLength, getOffset, isReadOnly, read, read, read, seek, seekBy, setLength, write, write, write

Constructor Detail

AbstractRandomAccess

public AbstractRandomAccess()

Method Detail

asInputStream

public java.io.InputStream asInputStream()

Description copied from interface: IRandomAccess

A InputStream view on the data structure.

Specified by:

asInputStream in interface IRandomAccess

Returns:

A InputStream view on the data structure.

asOutputStream

public java.io.OutputStream asOutputStream()

Description copied from interface: IRandomAccess

A OutputStream view on the data structure.

Specified by:

asOutputStream in interface IRandomAccess

Returns:

A OutputStream view on the data structure.

mark

public void mark()
          throws java.io.IOException

Description copied from interface: IRandomAccess

Mark the current offset into the data in a stack like manner.

Specified by:

mark in interface IRandomAccess

Throws:

java.io.IOException

reset

public void reset()
           throws java.io.IOException

Description copied from interface: IRandomAccess

Reset to the last position on the mark-stack.

Specified by:

reset in interface IRandomAccess

Throws:

java.io.IOException

getPositionStack

protected java.util.Stack getPositionStack()

Returns:

Returns the positionStack.