0N/A/*
2362N/A * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage com.sun.script.util;
0N/Aimport java.util.*;
0N/A
0N/A/**
0N/A * Entry set implementation for Bindings implementations
0N/A *
0N/A * @author Mike Grogan
0N/A * @since 1.6
0N/A */
0N/Apublic class BindingsEntrySet extends AbstractSet<Map.Entry<String, Object>> {
0N/A
0N/A private BindingsBase base;
0N/A private String[] keys;
0N/A
0N/A public BindingsEntrySet(BindingsBase base) {
0N/A this.base = base;
0N/A keys = base.getNames();
0N/A }
0N/A
0N/A public int size() {
0N/A return keys.length;
0N/A }
0N/A
0N/A public Iterator<Map.Entry<String, Object>> iterator() {
0N/A return new BindingsIterator();
0N/A }
0N/A
0N/A public class BindingsEntry implements Map.Entry<String, Object> {
0N/A private String key;
0N/A public BindingsEntry(String key) {
0N/A this.key = key;
0N/A }
0N/A
0N/A public Object setValue(Object value) {
0N/A throw new UnsupportedOperationException();
0N/A }
0N/A
0N/A public String getKey() {
0N/A return key;
0N/A }
0N/A
0N/A public Object getValue() {
0N/A return base.get(key);
0N/A }
0N/A
0N/A }
0N/A
0N/A public class BindingsIterator implements Iterator<Map.Entry<String, Object>> {
0N/A
0N/A private int current = 0;
0N/A private boolean stale = false;
0N/A
0N/A public boolean hasNext() {
0N/A return (current < keys.length);
0N/A }
0N/A
0N/A public BindingsEntry next() {
0N/A stale = false;
0N/A return new BindingsEntry(keys[current++]);
0N/A }
0N/A
0N/A public void remove() {
0N/A if (stale || current == 0) {
0N/A throw new IllegalStateException();
0N/A }
0N/A
0N/A stale = true;
0N/A base.remove(keys[current - 1]);
0N/A }
0N/A
0N/A }
0N/A
0N/A}