From 89bda83e0570ab87c6e449f5955613d5385e90b3 Mon Sep 17 00:00:00 2001 From: "alexanders@b2ef00c0-3703-41da-baef-cfe82387ac0c" Date: Wed, 3 Feb 2010 00:50:41 +0000 Subject: removed obsolete svn folder from hg tree --HG-- extra : convert_revision : svn%3Ab2ef00c0-3703-41da-baef-cfe82387ac0c/trunk%408 --- .../mozilla/javascript/NativeJavaTopPackage.java | 187 +++++++++++++++++++++ 1 file changed, 187 insertions(+) create mode 100644 infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeJavaTopPackage.java (limited to 'infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeJavaTopPackage.java') diff --git a/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeJavaTopPackage.java b/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeJavaTopPackage.java new file mode 100644 index 0000000..b5c9b49 --- /dev/null +++ b/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeJavaTopPackage.java @@ -0,0 +1,187 @@ +/* -*- 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 + * Frank Mitchell + * Mike Shaver + * + * 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; + +/** + * This class reflects Java packages into the JavaScript environment. We + * lazily reflect classes and subpackages, and use a caching/sharing + * system to ensure that members reflected into one JavaPackage appear + * in all other references to the same package (as with Packages.java.lang + * and java.lang). + * + * @author Mike Shaver + * @see NativeJavaArray + * @see NativeJavaObject + * @see NativeJavaClass + */ + +public class NativeJavaTopPackage + extends NativeJavaPackage implements Function, IdFunctionCall +{ + static final long serialVersionUID = -1455787259477709999L; + + // we know these are packages so we can skip the class check + // note that this is ok even if the package isn't present. + private static final String commonPackages = "" + +"java.lang;" + +"java.lang.reflect;" + +"java.io;" + +"java.math;" + +"java.net;" + +"java.util;" + +"java.util.zip;" + +"java.text;" + +"java.text.resources;" + +"java.applet;" + +"javax.swing;" + ; + + NativeJavaTopPackage(ClassLoader loader) + { + super(true, "", loader); + } + + public Object call(Context cx, Scriptable scope, Scriptable thisObj, + Object[] args) + { + return construct(cx, scope, args); + } + + public Scriptable construct(Context cx, Scriptable scope, Object[] args) + { + ClassLoader loader = null; + if (args.length != 0) { + Object arg = args[0]; + if (arg instanceof Wrapper) { + arg = ((Wrapper)arg).unwrap(); + } + if (arg instanceof ClassLoader) { + loader = (ClassLoader)arg; + } + } + if (loader == null) { + Context.reportRuntimeError0("msg.not.classloader"); + return null; + } + return new NativeJavaPackage(true, "", loader); + } + + public static void init(Context cx, Scriptable scope, boolean sealed) + { + ClassLoader loader = cx.getApplicationClassLoader(); + final NativeJavaTopPackage top = new NativeJavaTopPackage(loader); + top.setPrototype(getObjectPrototype(scope)); + top.setParentScope(scope); + + String[] names = Kit.semicolonSplit(commonPackages); + for (int i = 0; i != names.length; ++i) { + top.forcePackage(names[i], scope); + } + + // getClass implementation + IdFunctionObject getClass = new IdFunctionObject(top, FTAG, Id_getClass, + "getClass", 1, scope); + + // We want to get a real alias, and not a distinct JavaPackage + // with the same packageName, so that we share classes and top + // that are underneath. + String[] topNames = { "java", "javax", "org", "com", "edu", "net" }; + NativeJavaPackage[] topPackages = new NativeJavaPackage[topNames.length]; + for (int i=0; i < topNames.length; i++) { + topPackages[i] = (NativeJavaPackage)top.get(topNames[i], top); + } + + // It's safe to downcast here since initStandardObjects takes + // a ScriptableObject. + ScriptableObject global = (ScriptableObject) scope; + + if (sealed) { + getClass.sealObject(); + } + getClass.exportAsScopeProperty(); + global.defineProperty("Packages", top, ScriptableObject.DONTENUM); + for (int i=0; i < topNames.length; i++) { + global.defineProperty(topNames[i], topPackages[i], + ScriptableObject.DONTENUM); + } + } + + public Object execIdCall(IdFunctionObject f, Context cx, Scriptable scope, + Scriptable thisObj, Object[] args) + { + if (f.hasTag(FTAG)) { + if (f.methodId() == Id_getClass) { + return js_getClass(cx, scope, args); + } + } + throw f.unknown(); + } + + private Scriptable js_getClass(Context cx, Scriptable scope, Object[] args) + { + if (args.length > 0 && args[0] instanceof Wrapper) { + Scriptable result = this; + Class cl = ((Wrapper) args[0]).unwrap().getClass(); + // Evaluate the class name by getting successive properties of + // the string to find the appropriate NativeJavaClass object + String name = cl.getName(); + int offset = 0; + for (;;) { + int index = name.indexOf('.', offset); + String propName = index == -1 + ? name.substring(offset) + : name.substring(offset, index); + Object prop = result.get(propName, result); + if (!(prop instanceof Scriptable)) + break; // fall through to error + result = (Scriptable) prop; + if (index == -1) + return result; + offset = index+1; + } + } + throw Context.reportRuntimeError0("msg.not.java.obj"); + } + + private static final Object FTAG = new Object(); + private static final int Id_getClass = 1; +} + -- cgit v1.2.3