com.compoze.util
Class PeekableIterator

java.lang.Object

  |

  +--com.compoze.util.PeekableIterator

All Implemented Interfaces:

java.util.Iterator, java.io.Serializable

public class PeekableIterator

extends java.lang.Object

implements java.util.Iterator, java.io.Serializable

This class implements an iterator that is "peekable", or one whose next element may be viewed without considering the next element in the iteration.

See Also:

Serialized Form

Constructor Summary

PeekableIterator(java.util.Iterator it)
Constructor.

Method Summary

boolean	hasNext() Return true if the iteration has more elements.
java.lang.Object	next() Return the next element in the iteration.
java.lang.Object	peek() Peek at the next element without considering it the next element in the iteration.
void	remove() Remove the last element returned by the iterator (not implemented).

Methods inherited from class java.lang.Object

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

Constructor Detail

PeekableIterator

public PeekableIterator(java.util.Iterator it)

Constructor.

Method Detail

hasNext

public boolean hasNext()

Return true if the iteration has more elements.

Specified by:

hasNext in interface java.util.Iterator

Returns:

true if the iteration has more elements

next

public java.lang.Object next()

Return the next element in the iteration.

Specified by:

next in interface java.util.Iterator

Returns:

the next element in the iteration

peek

public java.lang.Object peek()

Peek at the next element without considering it the next element in the iteration.

Returns:

the next element in the iteration

remove

public void remove()

Remove the last element returned by the iterator (not implemented).

Specified by:

remove in interface java.util.Iterator

Throws:

java.lang.UnsupportedOperationException - if the underlying iterator does not implement this method