| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.nashorn.internal.runtime; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Set; |
| import jdk.nashorn.api.scripting.AbstractJSObject; |
| import jdk.nashorn.api.scripting.JSObject; |
| import jdk.nashorn.api.scripting.ScriptObjectMirror; |
| import jdk.nashorn.internal.objects.Global; |
| |
| /** |
| * A {@link ListAdapter} that also implements {@link JSObject}. Named {@code JSONListAdapter} as it is used as a |
| * {@code JSObject} implementing the {@link List} interface, which is the expected interface to be implemented by |
| * JSON-parsed arrays when they are handled in Java. We aren't implementing {@link JSObject} on {@link ListAdapter} |
| * directly since that'd have implications for other uses of list adapter (e.g. interferences of JSObject default |
| * value calculation vs. List's {@code toString()} etc.) |
| */ |
| public final class JSONListAdapter extends ListAdapter implements JSObject { |
| /** |
| * Creates a new JSON list adapter. |
| * @param obj the underlying object being exposed as a list. |
| * @param global the home global of the underlying object. |
| */ |
| public JSONListAdapter(final JSObject obj, final Global global) { |
| super(obj, global); |
| } |
| |
| /** |
| * Unwraps this adapter into its underlying non-JSObject representative. |
| * @param homeGlobal the home global for unwrapping |
| * @return either the unwrapped object or this if it should not be unwrapped in the specified global. |
| */ |
| public Object unwrap(final Object homeGlobal) { |
| final Object unwrapped = ScriptObjectMirror.unwrap(obj, homeGlobal); |
| return unwrapped != obj ? unwrapped : this; |
| } |
| |
| @Override |
| public Object call(final Object thiz, final Object... args) { |
| return obj.call(thiz, args); |
| } |
| |
| @Override |
| public Object newObject(final Object... args) { |
| return obj.newObject(args); |
| } |
| |
| @Override |
| public Object eval(final String s) { |
| return obj.eval(s); |
| } |
| |
| @Override |
| public Object getMember(final String name) { |
| return obj.getMember(name); |
| } |
| |
| @Override |
| public Object getSlot(final int index) { |
| return obj.getSlot(index); |
| } |
| |
| @Override |
| public boolean hasMember(final String name) { |
| return obj.hasMember(name); |
| } |
| |
| @Override |
| public boolean hasSlot(final int slot) { |
| return obj.hasSlot(slot); |
| } |
| |
| @Override |
| public void removeMember(final String name) { |
| obj.removeMember(name); |
| } |
| |
| @Override |
| public void setMember(final String name, final Object value) { |
| obj.setMember(name, value); |
| } |
| |
| @Override |
| public void setSlot(final int index, final Object value) { |
| obj.setSlot(index, value); |
| } |
| |
| @Override |
| public Set<String> keySet() { |
| return obj.keySet(); |
| } |
| |
| @Override |
| public Collection<Object> values() { |
| return obj.values(); |
| } |
| |
| @Override |
| public boolean isInstance(final Object instance) { |
| return obj.isInstance(instance); |
| } |
| |
| @Override |
| public boolean isInstanceOf(final Object clazz) { |
| return obj.isInstanceOf(clazz); |
| } |
| |
| @Override |
| public String getClassName() { |
| return obj.getClassName(); |
| } |
| |
| @Override |
| public boolean isFunction() { |
| return obj.isFunction(); |
| } |
| |
| @Override |
| public boolean isStrictFunction() { |
| return obj.isStrictFunction(); |
| } |
| |
| @Override |
| public boolean isArray() { |
| return obj.isArray(); |
| } |
| |
| @Override @Deprecated |
| public double toNumber() { |
| return obj.toNumber(); |
| } |
| |
| /** |
| * Implements this object's {@code [[DefaultValue]]} method by returning its wrapped object's {@code [[DefaultValue]]}. |
| * |
| * @param hint the type hint. Should be either {@code null}, {@code Number.class} or {@code String.class}. |
| * @return the wrapped object's default value. |
| * @throws UnsupportedOperationException if the conversion can't be performed. The engine will convert this |
| * exception into a JavaScript {@code TypeError}. |
| */ |
| public Object getDefaultValue(final Class<?> hint) { |
| return AbstractJSObject.getDefaultValue(obj, hint); |
| } |
| } |