FnUtils are bloated and contain references to Asm classes. Separate the code needed by generated JsCallbacks into own class
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3 * Copyright (C) 2013 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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22 package org.apidesign.html.boot.impl;
24 import java.io.Reader;
26 import java.net.URLClassLoader;
27 import java.util.ArrayList;
28 import java.util.Arrays;
29 import java.util.Collection;
30 import java.util.List;
31 import javax.script.Invocable;
32 import javax.script.ScriptEngine;
33 import javax.script.ScriptEngineManager;
34 import javax.script.ScriptException;
35 import org.apidesign.html.boot.spi.Fn;
36 import org.testng.annotations.BeforeClass;
37 import org.testng.annotations.BeforeMethod;
41 * @author Jaroslav Tulach <jtulach@netbeans.org>
43 public class FnTest extends JsClassLoaderBase {
44 private static Fn.Presenter presenter;
50 public static void createClassLoader() throws Exception {
51 ScriptEngineManager sem = new ScriptEngineManager();
52 final ScriptEngine eng = sem.getEngineByMimeType("text/javascript");
54 final URL my = FnTest.class.getProtectionDomain().getCodeSource().getLocation();
55 ClassLoader parent = JsClassLoaderTest.class.getClassLoader().getParent();
56 final URLClassLoader ul = new URLClassLoader(new URL[] { my }, parent);
58 class Impl implements FindResources, Fn.Presenter {
60 public void findResources(String path, Collection<? super URL> results, boolean oneIsEnough) {
61 URL u = ul.findResource(path);
68 public Fn defineFn(String code, String... names) {
69 StringBuilder sb = new StringBuilder();
70 sb.append("(function() {");
71 sb.append("return function(");
73 for (String n : names) {
83 final Object val = eng.eval(sb.toString());
86 public Object invoke(Object thiz, Object... args) throws Exception {
87 List<Object> all = new ArrayList<Object>(args.length + 1);
88 all.add(thiz == null ? val : thiz);
89 all.addAll(Arrays.asList(args));
90 Invocable inv = (Invocable)eng;
92 Object ret = inv.invokeMethod(val, "call", all.toArray());
93 return val.equals(ret) ? null : ret;
94 } catch (ScriptException ex) {
99 } catch (ScriptException ex) {
100 throw new LinkageError("Can't parse: " + sb, ex);
105 public void displayPage(URL resource, Runnable r) {
106 throw new UnsupportedOperationException();
110 public void loadScript(Reader code) throws Exception {
114 Impl impl = new Impl();
115 ClassLoader loader = FnUtils.newLoader(impl, impl, parent);
118 methodClass = loader.loadClass(JsMethods.class.getName());
121 @BeforeMethod public void initPresenter() {
122 FnContext.currentPresenter(presenter);