Showing the changes to java/pkg/com/sun/script/util/BindingsBase.java (1 of 18352 files). Show all
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| 1 | /* | ||
| 2 | * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package com.sun.script.util; | ||
| 27 | |||
| 28 | import javax.script.Bindings; | ||
| 29 | import java.util.Map; | ||
| 30 | import java.util.AbstractMap; | ||
| 31 | |||
| 32 | /** | ||
| 33 | * Abstract super class for Bindings implementations | ||
| 34 | * | ||
| 35 | * @author Mike Grogan | ||
| 36 | * @since 1.6 | ||
| 37 | */ | ||
| 38 | public abstract class BindingsBase extends AbstractMap<String, Object> | ||
| 39 | implements Bindings { | ||
| 40 | |||
| 41 | //AbstractMap methods | ||
| 42 | public Object get(Object name) { | ||
| 43 | checkKey(name); | ||
| 44 | return getImpl((String)name); | ||
| 45 | } | ||
| 46 | |||
| 47 | public Object remove(Object key) { | ||
| 48 | checkKey(key); | ||
| 49 | return removeImpl((String)key); | ||
| 50 | } | ||
| 51 | |||
| 52 | public Object put(String key, Object value) { | ||
| 53 | checkKey(key); | ||
| 54 | return putImpl(key, value); | ||
| 55 | } | ||
| 56 | |||
| 57 | public void putAll(Map<? extends String, ? extends Object> toMerge) { | ||
| 58 | for (Map.Entry<? extends String, ? extends Object> entry : toMerge.entrySet()) { | ||
| 59 | String key = entry.getKey(); | ||
| 60 | checkKey(key); | ||
| 61 | putImpl(entry.getKey(), entry.getValue()); | ||
| 62 | } | ||
| 63 | } | ||
| 64 | |||
| 65 | //BindingsBase methods | ||
| 66 | public abstract Object putImpl(String name, Object value); | ||
| 67 | public abstract Object getImpl(String name); | ||
| 68 | public abstract Object removeImpl(String name); | ||
| 69 | public abstract String[] getNames(); | ||
| 70 | |||
| 71 | protected void checkKey(Object key) { | ||
| 72 | if (key == null) { | ||
| 73 | throw new NullPointerException("key can not be null"); | ||
| 74 | } | ||
| 75 | if (!(key instanceof String)) { | ||
| 76 | throw new ClassCastException("key should be String"); | ||
| 77 | } | ||
| 78 | if (key.equals("")) { | ||
| 79 | throw new IllegalArgumentException("key can not be empty"); | ||
| 80 | } | ||
| 81 | } | ||
| 82 | } | ||