/*
* Copyright 2014 Attila Szegedi, Daniel Dekany, Jonathan Revusky
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package freemarker.core;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
/** Don't use this; used internally by FreeMarker, might changes without notice. */
public class _SortedArraySet<E> extends _UnmodifiableSet<E> {
private final E[] array;
public _SortedArraySet(E[] array) {
this.array = array;
}
@Override
public int size() {
return array.length;
}
@Override
public boolean contains(Object o) {
return Arrays.binarySearch(array, o) >= 0;
}
@Override
public Iterator<E> iterator() {
return new _ArrayIterator(array);
}
@Override
public boolean add(E o) {
throw new UnsupportedOperationException();
}
@Override
public boolean remove(Object o) {
throw new UnsupportedOperationException();
}
@Override
public boolean addAll(Collection<? extends E> c) {
throw new UnsupportedOperationException();
}
@Override
public boolean removeAll(Collection<?> c) {
throw new UnsupportedOperationException();
}
@Override
public boolean retainAll(Collection<?> c) {
throw new UnsupportedOperationException();
}
@Override
public void clear() {
throw new UnsupportedOperationException();
}
}