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/**
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* Back 2 Browser Bytecode Translator
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* Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. Look for COPYING file in the top folder.
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* If not, see http://opensource.org/licenses/GPL-2.0.
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*/
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package org.apidesign.bck2brwsr.launcher;
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import java.lang.reflect.Method;
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import org.apidesign.bck2brwsr.core.JavaScriptBody;
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/**
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*
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* @author Jaroslav Tulach <jtulach@netbeans.org>
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*/
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public class Console {
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public static String welcome() {
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final String msg = "Hello from Bck2Brwsr!";
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alert(msg);
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return msg;
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}
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@JavaScriptBody(args = "msg", body = "alert(msg);")
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private static native void alert(String msg);
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@JavaScriptBody(args = {"id", "attr"}, body =
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"return window.document.getElementById(id)[attr].toString();")
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private static native Object getAttr(String id, String attr);
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@JavaScriptBody(args = {"id", "attr", "value"}, body =
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"window.document.getElementById(id)[attr] = value;")
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private static native void setAttr(String id, String attr, Object value);
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public static void execute() throws Exception {
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String clazz = (String) getAttr("clazz", "value");
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String method = (String) getAttr("method", "value");
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Method found = null;
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Class<?> c = Class.forName(clazz);
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for (Method m : c.getMethods()) {
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if (m.getName().equals(method)) {
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found = m;
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}
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}
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Object res;
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if (found != null) {
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res = found.invoke(null);
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} else {
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res = "Can't find method " + method + " in " + clazz;
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}
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setAttr("result", "value", res);
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}
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}
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