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/**
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright 2013-2014 Oracle and/or its affiliates. All rights reserved.
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*
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* Oracle and Java are registered trademarks of Oracle and/or its affiliates.
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* Other names may be trademarks of their respective owners.
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*
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common
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* Development and Distribution License("CDDL") (collectively, the
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* "License"). You may not use this file except in compliance with the
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* License. You can obtain a copy of the License at
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* http://www.netbeans.org/cddl-gplv2.html
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* or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
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* specific language governing permissions and limitations under the
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* License. When distributing the software, include this License Header
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* Notice in each file and include the License file at
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* nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the GPL Version 2 section of the License file that
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* accompanied this code. If applicable, add the following below the
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* License Header, with the fields enclosed by brackets [] replaced by
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* your own identifying information:
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* "Portions Copyrighted [year] [name of copyright owner]"
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*
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* Contributor(s):
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*
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* The Original Software is NetBeans. The Initial Developer of the Original
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* Software is Oracle. Portions Copyright 2013-2014 Oracle. All Rights Reserved.
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*
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* If you wish your version of this file to be governed by only the CDDL
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* or only the GPL Version 2, indicate your decision by adding
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* "[Contributor] elects to include this software in this distribution
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* under the [CDDL or GPL Version 2] license." If you do not indicate a
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* single choice of license, a recipient has the option to distribute
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* your version of this file under either the CDDL, the GPL Version 2 or
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* to extend the choice of license to its licensees as provided above.
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* However, if you add GPL Version 2 code and therefore, elected the GPL
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* Version 2 license, then the option applies only if the new code is
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* made subject to such option by the copyright holder.
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*/
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package org.netbeans.html.boot.impl;
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import java.io.Closeable;
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import java.io.Reader;
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import java.net.URL;
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import java.net.URLClassLoader;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.Enumeration;
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import java.util.List;
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import javax.script.Invocable;
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import javax.script.ScriptEngine;
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import javax.script.ScriptEngineManager;
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import javax.script.ScriptException;
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import org.netbeans.html.boot.spi.Fn;
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import org.testng.annotations.AfterClass;
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import org.testng.annotations.BeforeClass;
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import org.testng.annotations.BeforeMethod;
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/**
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*
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* @author Jaroslav Tulach
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*/
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public class JsClassLoaderTest extends JsClassLoaderBase{
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private static Fn.Presenter loader;
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@BeforeClass
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public static void setUpClass() throws Exception {
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ScriptEngineManager sem = new ScriptEngineManager();
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final ScriptEngine eng = sem.getEngineByMimeType("text/javascript");
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final URL my = JsClassLoaderTest.class.getProtectionDomain().getCodeSource().getLocation();
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ClassLoader parent = JsClassLoaderTest.class.getClassLoader().getParent();
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final URLClassLoader ul = new URLClassLoader(new URL[] { my }, parent);
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class MyCL extends FnUtils.JsClassLoaderImpl implements Fn.Presenter {
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public MyCL(ClassLoader parent) {
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super(parent, null, null);
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}
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@Override
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protected URL findResource(String name) {
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return ul.getResource(name);
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}
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@Override
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public Fn defineFn(String code, String... names) {
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StringBuilder sb = new StringBuilder();
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sb.append("(function() {");
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sb.append("return function(");
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String sep = "";
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for (String n : names) {
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sb.append(sep);
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sb.append(n);
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sep = ", ";
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}
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sb.append(") {");
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sb.append(code);
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sb.append("};");
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sb.append("})()");
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try {
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final java.lang.Object val = eng.eval(sb.toString());
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return new Fn(this) {
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@Override
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public java.lang.Object invoke(java.lang.Object thiz, java.lang.Object... args) throws Exception {
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List<java.lang.Object> all = new ArrayList<java.lang.Object>(args.length + 1);
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all.add(thiz == null ? val : thiz);
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all.addAll(Arrays.asList(args));
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Invocable inv = (Invocable)eng;
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try {
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java.lang.Object ret = inv.invokeMethod(val, "call", all.toArray());
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return val.equals(ret) ? null : ret;
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} catch (Exception ex) {
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throw ex;
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}
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}
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};
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} catch (ScriptException ex) {
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throw new LinkageError("Can't parse: " + sb, ex);
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}
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}
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@Override
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protected Enumeration<URL> findResources(String name) {
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URL u = findResource(name);
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List<URL> arr = new ArrayList<URL>();
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if (u != null) {
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arr.add(u);
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}
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return Collections.enumeration(arr);
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}
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@Override
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public void loadScript(Reader code) throws ScriptException {
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eng.eval(code);
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}
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@Override
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public void displayPage(URL page, Runnable onPageLoad) {
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throw new UnsupportedOperationException();
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}
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};
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MyCL l = new MyCL(parent);
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Closeable close = FnContext.activate(l);
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methodClass = l.loadClass(JsMethods.class.getName());
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close.close();
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loader = l;
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}
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@BeforeMethod public void initPresenter() {
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FnContext.currentPresenter(loader);
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}
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@AfterClass
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public static void cleanUp() {
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methodClass = null;
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}
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} |