Using URL.getContent to communicate with the launcher and execute two testing methods
2 * Back 2 Browser Bytecode Translator
3 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, version 2 of the License.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. Look for COPYING file in the top folder.
16 * If not, see http://opensource.org/licenses/GPL-2.0.
18 package org.apidesign.bck2brwsr.launcher;
20 import java.lang.reflect.InvocationTargetException;
21 import java.lang.reflect.Method;
23 import org.apidesign.bck2brwsr.core.JavaScriptBody;
27 * @author Jaroslav Tulach <jtulach@netbeans.org>
29 public class Console {
30 public static String welcome() {
31 return "HellofromBck2Brwsr";
33 public static String multiply() {
34 return String.valueOf(Integer.MAX_VALUE / 2 + Integer.MAX_VALUE);
37 @JavaScriptBody(args = {"id", "attr"}, body =
38 "return window.document.getElementById(id)[attr].toString();")
39 private static native Object getAttr(String id, String attr);
41 @JavaScriptBody(args = {"id", "attr", "value"}, body =
42 "window.document.getElementById(id)[attr] = value;")
43 private static native void setAttr(String id, String attr, Object value);
45 private static void addAttr(String id, String attr, String newText) {
46 setAttr(id, attr, getAttr(id, attr) + "\n" + newText);
49 public static void execute() throws Exception {
50 String clazz = (String) getAttr("clazz", "value");
51 String method = (String) getAttr("method", "value");
52 Object res = invokeMethod(clazz, method);
53 setAttr("result", "value", res);
56 public static void harness(String url) {
57 setAttr("result", "value", "Connecting to " + url);
61 String data = (String) u.getContent(new Class[] { String.class });
62 addAttr("result", "value", data);
64 addAttr("result", "value", "No data, exiting");
68 Case c = Case.parseData(data);
69 addAttr("result", "value", "className: " + c.getClassName());
70 addAttr("result", "value", "methodName: " + c.getMethodName());
71 addAttr("result", "value", "request: " + c.getRequestId());
73 Object result = invokeMethod(c.getClassName(), c.getMethodName());
75 addAttr("result", "value", "result: " + result);
81 toSend = result.toString();
84 addAttr("result", "value", "Sending back: " + url + "?request=" + c.getRequestId() + "&result=" + toSend);
85 u = new URL(url + "?request=" + c.getRequestId() + "&result=" + toSend);
89 } catch (Exception ex) {
90 addAttr("result", "value", ex.getMessage());
94 private static Object invokeMethod(String clazz, String method)
95 throws ClassNotFoundException, InvocationTargetException,
96 SecurityException, IllegalAccessException, IllegalArgumentException {
98 Class<?> c = Class.forName(clazz);
99 for (Method m : c.getMethods()) {
100 if (m.getName().equals(method)) {
106 res = found.invoke(null);
108 res = "Can't find method " + method + " in " + clazz;
113 private static final class Case {
114 private final Object data;
116 private Case(Object data) {
120 public static Case parseData(String s) {
121 return new Case(toJSON(s));
124 public String getMethodName() {
125 return value("methodName", data);
128 public String getClassName() {
129 return value("className", data);
132 public String getRequestId() {
133 return value("request", data);
136 @JavaScriptBody(args = "s", body = "return eval('(' + s + ')');")
137 private static native Object toJSON(String s);
139 @JavaScriptBody(args = {"p", "d"}, body = "return d[p].toString();")
140 private static native String value(String p, Object d);