1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/jdk/nashorn/internal/runtime/JSONListAdapter.java Tue Jun 02 10:55:17 2015 +0200
1.3 @@ -0,0 +1,156 @@
1.4 +/*
1.5 + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package jdk.nashorn.internal.runtime;
1.30 +
1.31 +import java.util.Collection;
1.32 +import java.util.List;
1.33 +import java.util.Set;
1.34 +import jdk.nashorn.api.scripting.JSObject;
1.35 +import jdk.nashorn.api.scripting.ScriptObjectMirror;
1.36 +import jdk.nashorn.internal.objects.Global;
1.37 +
1.38 +/**
1.39 + * A {@link ListAdapter} that also implements {@link JSObject}. Named {@code JSONListAdapter} as it is used as a
1.40 + * {@code JSObject} implementing the {@link List} interface, which is the expected interface to be implemented by
1.41 + * JSON-parsed arrays when they are handled in Java. We aren't implementing {@link JSObject} on {@link ListAdapter}
1.42 + * directly since that'd have implications for other uses of list adapter (e.g. interferences of JSObject default
1.43 + * value calculation vs. List's {@code toString()} etc.)
1.44 + */
1.45 +public final class JSONListAdapter extends ListAdapter implements JSObject {
1.46 + /**
1.47 + * Creates a new JSON list adapter.
1.48 + * @param obj the underlying object being exposed as a list.
1.49 + * @param global the home global of the underlying object.
1.50 + */
1.51 + public JSONListAdapter(final JSObject obj, final Global global) {
1.52 + super(obj, global);
1.53 + }
1.54 +
1.55 + /**
1.56 + * Unwraps this adapter into its underlying non-JSObject representative.
1.57 + * @param homeGlobal the home global for unwrapping
1.58 + * @return either the unwrapped object or this if it should not be unwrapped in the specified global.
1.59 + */
1.60 + public Object unwrap(final Object homeGlobal) {
1.61 + final Object unwrapped = ScriptObjectMirror.unwrap(obj, homeGlobal);
1.62 + return unwrapped != obj ? unwrapped : this;
1.63 + }
1.64 +
1.65 + @Override
1.66 + public Object call(final Object thiz, final Object... args) {
1.67 + return obj.call(thiz, args);
1.68 + }
1.69 +
1.70 + @Override
1.71 + public Object newObject(final Object... args) {
1.72 + return obj.newObject(args);
1.73 + }
1.74 +
1.75 + @Override
1.76 + public Object eval(final String s) {
1.77 + return obj.eval(s);
1.78 + }
1.79 +
1.80 + @Override
1.81 + public Object getMember(final String name) {
1.82 + return obj.getMember(name);
1.83 + }
1.84 +
1.85 + @Override
1.86 + public Object getSlot(final int index) {
1.87 + return obj.getSlot(index);
1.88 + }
1.89 +
1.90 + @Override
1.91 + public boolean hasMember(final String name) {
1.92 + return obj.hasMember(name);
1.93 + }
1.94 +
1.95 + @Override
1.96 + public boolean hasSlot(final int slot) {
1.97 + return obj.hasSlot(slot);
1.98 + }
1.99 +
1.100 + @Override
1.101 + public void removeMember(final String name) {
1.102 + obj.removeMember(name);
1.103 + }
1.104 +
1.105 + @Override
1.106 + public void setMember(final String name, final Object value) {
1.107 + obj.setMember(name, value);
1.108 + }
1.109 +
1.110 + @Override
1.111 + public void setSlot(final int index, final Object value) {
1.112 + obj.setSlot(index, value);
1.113 + }
1.114 +
1.115 + @Override
1.116 + public Set<String> keySet() {
1.117 + return obj.keySet();
1.118 + }
1.119 +
1.120 + @Override
1.121 + public Collection<Object> values() {
1.122 + return obj.values();
1.123 + }
1.124 +
1.125 + @Override
1.126 + public boolean isInstance(final Object instance) {
1.127 + return obj.isInstance(instance);
1.128 + }
1.129 +
1.130 + @Override
1.131 + public boolean isInstanceOf(final Object clazz) {
1.132 + return obj.isInstanceOf(clazz);
1.133 + }
1.134 +
1.135 + @Override
1.136 + public String getClassName() {
1.137 + return obj.getClassName();
1.138 + }
1.139 +
1.140 + @Override
1.141 + public boolean isFunction() {
1.142 + return obj.isFunction();
1.143 + }
1.144 +
1.145 + @Override
1.146 + public boolean isStrictFunction() {
1.147 + return obj.isStrictFunction();
1.148 + }
1.149 +
1.150 + @Override
1.151 + public boolean isArray() {
1.152 + return obj.isArray();
1.153 + }
1.154 +
1.155 + @Override @Deprecated
1.156 + public double toNumber() {
1.157 + return obj.toNumber();
1.158 + }
1.159 +}
