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43 package org.netbeans.html.boot.impl;
45 import java.io.Closeable;
46 import java.io.Flushable;
47 import java.io.IOException;
48 import java.io.Reader;
50 import java.net.URLClassLoader;
51 import java.util.ArrayList;
52 import java.util.Arrays;
53 import java.util.Collection;
54 import java.util.List;
55 import javax.script.Invocable;
56 import javax.script.ScriptEngine;
57 import javax.script.ScriptEngineManager;
58 import javax.script.ScriptException;
59 import org.netbeans.html.boot.spi.Fn;
60 import static org.testng.Assert.assertEquals;
61 import org.testng.annotations.BeforeClass;
62 import org.testng.annotations.BeforeMethod;
63 import org.testng.annotations.Test;
67 * @author Jaroslav Tulach
69 public class FnTest extends JsClassLoaderBase {
70 private static Fn.Presenter presenter;
76 public static void createClassLoader() throws Exception {
77 ScriptEngineManager sem = new ScriptEngineManager();
78 final ScriptEngine eng = sem.getEngineByMimeType("text/javascript");
80 final URL my = FnTest.class.getProtectionDomain().getCodeSource().getLocation();
81 ClassLoader parent = JsClassLoaderTest.class.getClassLoader().getParent();
82 final URLClassLoader ul = new URLClassLoader(new URL[] { my }, parent);
84 class Impl implements FindResources, Fn.Presenter {
86 public void findResources(String path, Collection<? super URL> results, boolean oneIsEnough) {
87 URL u = ul.findResource(path);
94 public Fn defineFn(String code, String... names) {
95 StringBuilder sb = new StringBuilder();
96 sb.append("(function() {");
97 sb.append("return function(");
99 for (String n : names) {
109 final java.lang.Object val = eng.eval(sb.toString());
110 return new Fn(this) {
112 public java.lang.Object invoke(java.lang.Object thiz, java.lang.Object... args) throws Exception {
113 List<java.lang.Object> all = new ArrayList<java.lang.Object>(args.length + 1);
114 all.add(thiz == null ? val : thiz);
115 all.addAll(Arrays.asList(args));
116 Invocable inv = (Invocable)eng;
118 java.lang.Object ret = inv.invokeMethod(val, "call", all.toArray());
119 return val.equals(ret) ? null : ret;
120 } catch (ScriptException ex) {
125 } catch (ScriptException ex) {
126 throw new LinkageError("Can't parse: " + sb, ex);
131 public void displayPage(URL resource, Runnable r) {
132 throw new UnsupportedOperationException();
136 public void loadScript(Reader code) throws Exception {
140 Impl impl = new Impl();
141 ClassLoader loader = FnUtils.newLoader(impl, impl, parent);
144 Closeable close = FnContext.activate(impl);
145 methodClass = loader.loadClass(JsMethods.class.getName());
149 @Test public void flushingPresenter() throws IOException {
150 class FP implements Fn.Presenter, Flushable {
154 public Fn defineFn(String code, String... names) {
155 throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
159 public void displayPage(URL page, Runnable onPageLoad) {
160 throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
164 public void loadScript(Reader code) throws Exception {
165 throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
169 public void flush() throws IOException {
175 Closeable c1 = Fn.activate(p);
176 Closeable c2 = Fn.activate(p);
178 assertEquals(p.flush, 0, "No flush yet");
180 assertEquals(p.flush, 1, "Now flushed");
183 @BeforeMethod public void initPresenter() {
184 FnContext.currentPresenter(presenter);