org.jfree.util

Class ReadOnlyIterator

public class ReadOnlyIterator extends Object implements Iterator

Protects an given iterator by preventing calls to remove().

Author: Thomas Morgner

Constructor Summary
	ReadOnlyIterator(Iterator it) Creates a new read-only iterator for the given iterator.

Method Summary
boolean	hasNext() Returns `true` if the iteration has more elements.
Object	next() Returns the next element in the iteration.
void	remove() Throws `UnsupportedOperationException`.

Constructor Detail

ReadOnlyIterator

public ReadOnlyIterator(Iterator it)

Creates a new read-only iterator for the given iterator.

Parameters: it the iterator.

Method Detail

hasNext

public boolean hasNext()

Returns true if the iteration has more elements. (In other words, returns true if next would return an element rather than throwing an exception.)

Returns: true if the iterator has more elements.

public Object next()

Returns the next element in the iteration. Throws NoSuchElementException when iteration has no more elements.

Returns: the next element in the iteration.

remove

public void remove()

Throws UnsupportedOperationException.