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43 package org.netbeans.html.boot.impl;
45 import java.io.Closeable;
46 import java.io.Reader;
48 import java.net.URLClassLoader;
49 import java.util.ArrayList;
50 import java.util.Arrays;
51 import java.util.Collections;
52 import java.util.Enumeration;
53 import java.util.List;
54 import javax.script.Invocable;
55 import javax.script.ScriptEngine;
56 import javax.script.ScriptEngineManager;
57 import javax.script.ScriptException;
58 import org.netbeans.html.boot.spi.Fn;
59 import org.testng.annotations.AfterClass;
60 import org.testng.annotations.BeforeClass;
61 import org.testng.annotations.BeforeMethod;
65 * @author Jaroslav Tulach
67 public class JsClassLoaderTest extends JsClassLoaderBase{
68 private static Fn.Presenter loader;
71 public static void setUpClass() throws Exception {
72 ScriptEngineManager sem = new ScriptEngineManager();
73 final ScriptEngine eng = sem.getEngineByMimeType("text/javascript");
75 final URL my = JsClassLoaderTest.class.getProtectionDomain().getCodeSource().getLocation();
76 ClassLoader parent = JsClassLoaderTest.class.getClassLoader().getParent();
77 final URLClassLoader ul = new URLClassLoader(new URL[] { my }, parent);
78 class MyCL extends FnUtils.JsClassLoaderImpl implements Fn.Presenter {
80 public MyCL(ClassLoader parent) {
81 super(parent, null, null);
85 protected URL findResource(String name) {
86 return ul.getResource(name);
89 public Fn defineFn(String code, String... names) {
90 StringBuilder sb = new StringBuilder();
91 sb.append("(function() {");
92 sb.append("return function(");
94 for (String n : names) {
104 final java.lang.Object val = eng.eval(sb.toString());
105 return new Fn(this) {
107 public java.lang.Object invoke(java.lang.Object thiz, java.lang.Object... args) throws Exception {
108 List<java.lang.Object> all = new ArrayList<java.lang.Object>(args.length + 1);
109 all.add(thiz == null ? val : thiz);
110 all.addAll(Arrays.asList(args));
111 Invocable inv = (Invocable)eng;
113 java.lang.Object ret = inv.invokeMethod(val, "call", all.toArray());
114 return val.equals(ret) ? null : ret;
115 } catch (Exception ex) {
120 } catch (ScriptException ex) {
121 throw new LinkageError("Can't parse: " + sb, ex);
126 protected Enumeration<URL> findResources(String name) {
127 URL u = findResource(name);
128 List<URL> arr = new ArrayList<URL>();
132 return Collections.enumeration(arr);
136 public void loadScript(Reader code) throws ScriptException {
141 public void displayPage(URL page, Runnable onPageLoad) {
142 throw new UnsupportedOperationException();
146 MyCL l = new MyCL(parent);
147 Closeable close = FnContext.activate(l);
148 methodClass = l.loadClass(JsMethods.class.getName());
153 @BeforeMethod public void initPresenter() {
154 FnContext.currentPresenter(loader);
158 public static void cleanUp() {