1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Console.java Sat Dec 15 16:25:28 2012 +0100
1.3 @@ -0,0 +1,65 @@
1.4 +/**
1.5 + * Back 2 Browser Bytecode Translator
1.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
1.7 + *
1.8 + * This program is free software: you can redistribute it and/or modify
1.9 + * it under the terms of the GNU General Public License as published by
1.10 + * the Free Software Foundation, version 2 of the License.
1.11 + *
1.12 + * This program is distributed in the hope that it will be useful,
1.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.15 + * GNU General Public License for more details.
1.16 + *
1.17 + * You should have received a copy of the GNU General Public License
1.18 + * along with this program. Look for COPYING file in the top folder.
1.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
1.20 + */
1.21 +package org.apidesign.bck2brwsr.launcher;
1.22 +
1.23 +import java.lang.reflect.Method;
1.24 +import org.apidesign.bck2brwsr.core.JavaScriptBody;
1.25 +
1.26 +/**
1.27 + *
1.28 + * @author Jaroslav Tulach <jtulach@netbeans.org>
1.29 + */
1.30 +public class Console {
1.31 + public static String welcome() {
1.32 + final String msg = "Hello from Bck2Brwsr!";
1.33 + alert(msg);
1.34 + return msg;
1.35 + }
1.36 +
1.37 + @JavaScriptBody(args = "msg", body = "alert(msg);")
1.38 + private static native void alert(String msg);
1.39 +
1.40 + @JavaScriptBody(args = {"id", "attr"}, body =
1.41 + "return window.document.getElementById(id)[attr].toString();")
1.42 + private static native Object getAttr(String id, String attr);
1.43 +
1.44 + @JavaScriptBody(args = {"id", "attr", "value"}, body =
1.45 + "window.document.getElementById(id)[attr] = value;")
1.46 + private static native void setAttr(String id, String attr, Object value);
1.47 +
1.48 + public static void execute() throws Exception {
1.49 + String clazz = (String) getAttr("clazz", "value");
1.50 + String method = (String) getAttr("method", "value");
1.51 +
1.52 + Method found = null;
1.53 + Class<?> c = Class.forName(clazz);
1.54 + for (Method m : c.getMethods()) {
1.55 + if (m.getName().equals(method)) {
1.56 + found = m;
1.57 + }
1.58 + }
1.59 + Object res;
1.60 + if (found != null) {
1.61 + res = found.invoke(null);
1.62 + } else {
1.63 + res = "Can't find method " + method + " in " + clazz;
1.64 + }
1.65 +
1.66 + setAttr("result", "value", res);
1.67 + }
1.68 +}