67 lines
2.8 KiB
Java
67 lines
2.8 KiB
Java
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/*
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* Janino - An embedded Java[TM] compiler
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*
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* Copyright (c) 2001-2010, Arno Unkrig
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
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* following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
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* following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.codehaus.janino.util.iterator;
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import java.util.ListIterator;
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/**
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* A {@link java.util.ListIterator} that reverses the direction of all operations
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* of a delegate {@link java.util.ListIterator}.
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*
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* @param <T> The element type of the list iterator
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*/
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public
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class ReverseListIterator<T> extends FilterListIterator<T> {
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public
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ReverseListIterator(ListIterator<T> delegate) { super(delegate); }
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/** Calls {@link #delegate}.{@link java.util.ListIterator#hasPrevious()} */
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@Override public boolean
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hasNext() { return super.hasPrevious(); }
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/** Calls {@link #delegate}.{@link java.util.ListIterator#hasNext()} */
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@Override public boolean
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hasPrevious() { return super.hasNext(); }
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/** Calls {@link #delegate}.{@link java.util.ListIterator#previous()} */
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@Override public T
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next() { return super.previous(); }
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/** Calls {@link #delegate}.{@link java.util.ListIterator#next()} */
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@Override public T
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previous() { return super.next(); }
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/** Throws an {@link UnsupportedOperationException}. */
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@Override public int
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nextIndex() { throw new UnsupportedOperationException(); }
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/** Throws an {@link UnsupportedOperationException}. */
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@Override public int
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previousIndex() { throw new UnsupportedOperationException(); }
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}
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