From d7c5ad7d6263fd1baf9bfdbaa4c50b70ef2fbdb2 Mon Sep 17 00:00:00 2001 From: Alexander Sulfrian Date: Tue, 8 Jun 2010 08:22:05 +0200 Subject: reverted folder structure change for better mergeing with upstream --- .../org/mozilla/javascript/NativeJavaArray.java | 168 +++++++++++++++++++++ 1 file changed, 168 insertions(+) create mode 100644 trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeJavaArray.java (limited to 'trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeJavaArray.java') diff --git a/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeJavaArray.java b/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeJavaArray.java new file mode 100644 index 0000000..2f711a0 --- /dev/null +++ b/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeJavaArray.java @@ -0,0 +1,168 @@ +/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * + * ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (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.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Rhino code, released + * May 6, 1999. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1997-1999 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * Norris Boyd + * Igor Bukanov + * Frank Mitchell + * Mike Shaver + * Kemal Bayram + * + * Alternatively, the contents of this file may be used under the terms of + * the GNU General Public License Version 2 or later (the "GPL"), in which + * case the provisions of the GPL are applicable instead of those above. If + * you wish to allow use of your version of this file only under the terms of + * the GPL and not to allow others to use your version of this file under the + * MPL, indicate your decision by deleting the provisions above and replacing + * them with the notice and other provisions required by the GPL. If you do + * not delete the provisions above, a recipient may use your version of this + * file under either the MPL or the GPL. + * + * ***** END LICENSE BLOCK ***** */ + +package org.mozilla.javascript; + +import java.lang.reflect.Array; + +/** + * This class reflects Java arrays into the JavaScript environment. + * + * @author Mike Shaver + * @see NativeJavaClass + * @see NativeJavaObject + * @see NativeJavaPackage + */ + +public class NativeJavaArray extends NativeJavaObject +{ + static final long serialVersionUID = -924022554283675333L; + + public String getClassName() { + return "JavaArray"; + } + + public static NativeJavaArray wrap(Scriptable scope, Object array) { + return new NativeJavaArray(scope, array); + } + + public Object unwrap() { + return array; + } + + public NativeJavaArray(Scriptable scope, Object array) { + super(scope, null, ScriptRuntime.ObjectClass); + Class cl = array.getClass(); + if (!cl.isArray()) { + throw new RuntimeException("Array expected"); + } + this.array = array; + this.length = Array.getLength(array); + this.cls = cl.getComponentType(); + } + + public boolean has(String id, Scriptable start) { + return id.equals("length") || super.has(id, start); + } + + public boolean has(int index, Scriptable start) { + return 0 <= index && index < length; + } + + public Object get(String id, Scriptable start) { + if (id.equals("length")) + return new Integer(length); + Object result = super.get(id, start); + if (result == NOT_FOUND && + !ScriptableObject.hasProperty(getPrototype(), id)) + { + throw Context.reportRuntimeError2( + "msg.java.member.not.found", array.getClass().getName(), id); + } + return result; + } + + public Object get(int index, Scriptable start) { + if (0 <= index && index < length) { + Context cx = Context.getContext(); + Object obj = Array.get(array, index); + return cx.getWrapFactory().wrap(cx, this, obj, cls); + } + return Undefined.instance; + } + + public void put(String id, Scriptable start, Object value) { + // Ignore assignments to "length"--it's readonly. + if (!id.equals("length")) + throw Context.reportRuntimeError1( + "msg.java.array.member.not.found", id); + } + + public void put(int index, Scriptable start, Object value) { + if (0 <= index && index < length) { + Array.set(array, index, Context.jsToJava(value, cls)); + } + else { + throw Context.reportRuntimeError2( + "msg.java.array.index.out.of.bounds", String.valueOf(index), + String.valueOf(length - 1)); + } + } + + public Object getDefaultValue(Class hint) { + if (hint == null || hint == ScriptRuntime.StringClass) + return array.toString(); + if (hint == ScriptRuntime.BooleanClass) + return Boolean.TRUE; + if (hint == ScriptRuntime.NumberClass) + return ScriptRuntime.NaNobj; + return this; + } + + public Object[] getIds() { + Object[] result = new Object[length]; + int i = length; + while (--i >= 0) + result[i] = new Integer(i); + return result; + } + + public boolean hasInstance(Scriptable value) { + if (!(value instanceof Wrapper)) + return false; + Object instance = ((Wrapper)value).unwrap(); + return cls.isInstance(instance); + } + + public Scriptable getPrototype() { + if (prototype == null) { + prototype = + ScriptableObject.getClassPrototype(this.getParentScope(), + "Array"); + } + return prototype; + } + + Object array; + int length; + Class cls; +} -- cgit v1.2.3