rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/impl/Console.java
changeset 1059 3f7991249a20
parent 1027 c7a085d63ab5
parent 1058 e61f24684a69
child 1060 e3845e4f0ec8
     1.1 --- a/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/impl/Console.java	Fri Apr 26 15:09:59 2013 +0200
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,356 +0,0 @@
     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.impl;
    1.22 -
    1.23 -import java.io.IOException;
    1.24 -import java.io.InputStream;
    1.25 -import java.io.UnsupportedEncodingException;
    1.26 -import java.lang.reflect.InvocationTargetException;
    1.27 -import java.lang.reflect.Method;
    1.28 -import java.lang.reflect.Modifier;
    1.29 -import java.net.URL;
    1.30 -import java.util.Enumeration;
    1.31 -import org.apidesign.bck2brwsr.core.JavaScriptBody;
    1.32 -
    1.33 -/**
    1.34 - *
    1.35 - * @author Jaroslav Tulach <jtulach@netbeans.org>
    1.36 - */
    1.37 -public class Console {
    1.38 -    private Console() {
    1.39 -    }
    1.40 -    static {
    1.41 -        turnAssetionStatusOn();
    1.42 -    }
    1.43 -    
    1.44 -    @JavaScriptBody(args = {"id", "attr"}, body = 
    1.45 -        "return window.document.getElementById(id)[attr].toString();")
    1.46 -    private static native Object getAttr(String id, String attr);
    1.47 -    @JavaScriptBody(args = {"elem", "attr"}, body = 
    1.48 -        "return elem[attr].toString();")
    1.49 -    private static native Object getAttr(Object elem, String attr);
    1.50 -
    1.51 -    @JavaScriptBody(args = {"id", "attr", "value"}, body = 
    1.52 -        "window.document.getElementById(id)[attr] = value;")
    1.53 -    private static native void setAttr(String id, String attr, Object value);
    1.54 -    @JavaScriptBody(args = {"elem", "attr", "value"}, body = 
    1.55 -        "elem[attr] = value;")
    1.56 -    private static native void setAttr(Object id, String attr, Object value);
    1.57 -    
    1.58 -    @JavaScriptBody(args = {}, body = "return; window.close();")
    1.59 -    private static native void closeWindow();
    1.60 -
    1.61 -    private static Object textArea;
    1.62 -    private static Object statusArea;
    1.63 -    
    1.64 -    private static void log(String newText) {
    1.65 -        if (textArea == null) {
    1.66 -            return;
    1.67 -        }
    1.68 -        String attr = "value";
    1.69 -        setAttr(textArea, attr, getAttr(textArea, attr) + "\n" + newText);
    1.70 -        setAttr(textArea, "scrollTop", getAttr(textArea, "scrollHeight"));
    1.71 -    }
    1.72 -    
    1.73 -    private static void beginTest(Case c) {
    1.74 -        Object[] arr = new Object[2];
    1.75 -        beginTest(c.getClassName() + "." + c.getMethodName(), c, arr);
    1.76 -        textArea = arr[0];
    1.77 -        statusArea = arr[1];
    1.78 -    }
    1.79 -    
    1.80 -    private static void finishTest(Case c, Object res) {
    1.81 -        if ("null".equals(res)) {
    1.82 -            setAttr(statusArea, "innerHTML", "Success");
    1.83 -        } else {
    1.84 -            setAttr(statusArea, "innerHTML", "Result " + res);
    1.85 -        }
    1.86 -        statusArea = null;
    1.87 -        textArea = null;
    1.88 -    }
    1.89 -
    1.90 -    @JavaScriptBody(args = { "test", "c", "arr" }, body = 
    1.91 -          "var ul = window.document.getElementById('bck2brwsr.result');\n"
    1.92 -        + "var li = window.document.createElement('li');\n"
    1.93 -        + "var span = window.document.createElement('span');"
    1.94 -        + "span.innerHTML = test + ' - ';\n"
    1.95 -        + "var details = window.document.createElement('a');\n"
    1.96 -        + "details.innerHTML = 'Details';\n"
    1.97 -        + "details.href = '#';\n"
    1.98 -        + "var p = window.document.createElement('p');\n"
    1.99 -        + "var status = window.document.createElement('a');\n"
   1.100 -        + "status.innerHTML = 'running';"
   1.101 -        + "details.onclick = function() { li.appendChild(p); li.removeChild(details); status.innerHTML = 'Run Again'; status.href = '#'; };\n"
   1.102 -        + "status.onclick = function() { c.again__V_3Ljava_lang_Object_2(arr); }\n"
   1.103 -        + "var pre = window.document.createElement('textarea');\n"
   1.104 -        + "pre.cols = 100;"
   1.105 -        + "pre.rows = 10;"
   1.106 -        + "li.appendChild(span);\n"
   1.107 -        + "li.appendChild(status);\n"
   1.108 -        + "var span = window.document.createElement('span');"
   1.109 -        + "span.innerHTML = ' ';\n"
   1.110 -        + "li.appendChild(span);\n"
   1.111 -        + "li.appendChild(details);\n"
   1.112 -        + "p.appendChild(pre);\n"
   1.113 -        + "ul.appendChild(li);\n"
   1.114 -        + "arr[0] = pre;\n"
   1.115 -        + "arr[1] = status;\n"
   1.116 -    )
   1.117 -    private static native void beginTest(String test, Case c, Object[] arr);
   1.118 -    
   1.119 -    @JavaScriptBody(args = { "url", "callback", "arr" }, body = ""
   1.120 -        + "var request = new XMLHttpRequest();\n"
   1.121 -        + "request.open('GET', url, true);\n"
   1.122 -        + "request.setRequestHeader('Content-Type', 'text/plain; charset=utf-8');\n"
   1.123 -        + "request.onreadystatechange = function() {\n"
   1.124 -        + "  if (this.readyState!==4) return;\n"
   1.125 -        + "  arr[0] = this.responseText;\n"
   1.126 -        + "  callback.run__V();\n"
   1.127 -        + "};"
   1.128 -        + "request.send();"
   1.129 -    )
   1.130 -    private static native void loadText(String url, Runnable callback, String[] arr) throws IOException;
   1.131 -    
   1.132 -    public static void harness(String url) throws IOException {
   1.133 -        log("Connecting to " + url);
   1.134 -        Request r = new Request(url);
   1.135 -    }
   1.136 -    
   1.137 -    private static class Request implements Runnable {
   1.138 -        private final String[] arr = { null };
   1.139 -        private final String url;
   1.140 -        private Case c;
   1.141 -        private int retries;
   1.142 -
   1.143 -        private Request(String url) throws IOException {
   1.144 -            this.url = url;
   1.145 -            loadText(url, this, arr);
   1.146 -        }
   1.147 -        private Request(String url, String u) throws IOException {
   1.148 -            this.url = url;
   1.149 -            loadText(u, this, arr);
   1.150 -        }
   1.151 -        
   1.152 -        @Override
   1.153 -        public void run() {
   1.154 -            try {
   1.155 -                if (c == null) {
   1.156 -                    String data = arr[0];
   1.157 -
   1.158 -                    if (data == null) {
   1.159 -                        log("Some error exiting");
   1.160 -                        closeWindow();
   1.161 -                        return;
   1.162 -                    }
   1.163 -
   1.164 -                    if (data.isEmpty()) {
   1.165 -                        log("No data, exiting");
   1.166 -                        closeWindow();
   1.167 -                        return;
   1.168 -                    }
   1.169 -
   1.170 -                    c = Case.parseData(data);
   1.171 -                    beginTest(c);
   1.172 -                    log("Got \"" + data + "\"");
   1.173 -                } else {
   1.174 -                    log("Processing \"" + arr[0] + "\" for " + retries + " time");
   1.175 -                }
   1.176 -                Object result = retries++ >= 10 ? "java.lang.InterruptedException:timeout" : c.runTest();
   1.177 -                finishTest(c, result);
   1.178 -                
   1.179 -                String u = url + "?request=" + c.getRequestId() + "&result=" + result;
   1.180 -                new Request(url, u);
   1.181 -            } catch (Exception ex) {
   1.182 -                if (ex instanceof InterruptedException) {
   1.183 -                    log("Re-scheduling in 100ms");
   1.184 -                    schedule(this, 100);
   1.185 -                    return;
   1.186 -                }
   1.187 -                log(ex.getClass().getName() + ":" + ex.getMessage());
   1.188 -            }
   1.189 -        }
   1.190 -    }
   1.191 -    
   1.192 -    private static String encodeURL(String r) throws UnsupportedEncodingException {
   1.193 -        final String SPECIAL = "%$&+,/:;=?@";
   1.194 -        StringBuilder sb = new StringBuilder();
   1.195 -        byte[] utf8 = r.getBytes("UTF-8");
   1.196 -        for (int i = 0; i < utf8.length; i++) {
   1.197 -            int ch = utf8[i] & 0xff;
   1.198 -            if (ch < 32 || ch > 127 || SPECIAL.indexOf(ch) >= 0) {
   1.199 -                final String numbers = "0" + Integer.toHexString(ch);
   1.200 -                sb.append("%").append(numbers.substring(numbers.length() - 2));
   1.201 -            } else {
   1.202 -                if (ch == 32) {
   1.203 -                    sb.append("+");
   1.204 -                } else {
   1.205 -                    sb.append((char)ch);
   1.206 -                }
   1.207 -            }
   1.208 -        }
   1.209 -        return sb.toString();
   1.210 -    }
   1.211 -    
   1.212 -    static String invoke(String clazz, String method) throws 
   1.213 -    ClassNotFoundException, InvocationTargetException, IllegalAccessException, 
   1.214 -    InstantiationException, InterruptedException {
   1.215 -        final Object r = new Case(null).invokeMethod(clazz, method);
   1.216 -        return r == null ? "null" : r.toString().toString();
   1.217 -    }
   1.218 -
   1.219 -    /** Helper method that inspects the classpath and loads given resource
   1.220 -     * (usually a class file). Used while running tests in Rhino.
   1.221 -     * 
   1.222 -     * @param name resource name to find
   1.223 -     * @return the array of bytes in the given resource
   1.224 -     * @throws IOException I/O in case something goes wrong
   1.225 -     */
   1.226 -    public static byte[] read(String name) throws IOException {
   1.227 -        URL u = null;
   1.228 -        Enumeration<URL> en = Console.class.getClassLoader().getResources(name);
   1.229 -        while (en.hasMoreElements()) {
   1.230 -            u = en.nextElement();
   1.231 -        }
   1.232 -        if (u == null) {
   1.233 -            throw new IOException("Can't find " + name);
   1.234 -        }
   1.235 -        try (InputStream is = u.openStream()) {
   1.236 -            byte[] arr;
   1.237 -            arr = new byte[is.available()];
   1.238 -            int offset = 0;
   1.239 -            while (offset < arr.length) {
   1.240 -                int len = is.read(arr, offset, arr.length - offset);
   1.241 -                if (len == -1) {
   1.242 -                    throw new IOException("Can't read " + name);
   1.243 -                }
   1.244 -                offset += len;
   1.245 -            }
   1.246 -            return arr;
   1.247 -        }
   1.248 -    }
   1.249 -   
   1.250 -    @JavaScriptBody(args = {}, body = "vm.desiredAssertionStatus = true;")
   1.251 -    private static void turnAssetionStatusOn() {
   1.252 -    }
   1.253 -
   1.254 -    @JavaScriptBody(args = {"r", "time"}, body =
   1.255 -        "return window.setTimeout(function() { r.run__V(); }, time);")
   1.256 -    private static native Object schedule(Runnable r, int time);
   1.257 -    
   1.258 -    private static final class Case {
   1.259 -        private final Object data;
   1.260 -        private Object inst;
   1.261 -
   1.262 -        private Case(Object data) {
   1.263 -            this.data = data;
   1.264 -        }
   1.265 -        
   1.266 -        public static Case parseData(String s) {
   1.267 -            return new Case(toJSON(s));
   1.268 -        }
   1.269 -        
   1.270 -        public String getMethodName() {
   1.271 -            return value("methodName", data);
   1.272 -        }
   1.273 -
   1.274 -        public String getClassName() {
   1.275 -            return value("className", data);
   1.276 -        }
   1.277 -        
   1.278 -        public String getRequestId() {
   1.279 -            return value("request", data);
   1.280 -        }
   1.281 -
   1.282 -        public String getHtmlFragment() {
   1.283 -            return value("html", data);
   1.284 -        }
   1.285 -        
   1.286 -        void again(Object[] arr) {
   1.287 -            try {
   1.288 -                textArea = arr[0];
   1.289 -                statusArea = arr[1];
   1.290 -                setAttr(textArea, "value", "");
   1.291 -                runTest();
   1.292 -            } catch (Exception ex) {
   1.293 -                log(ex.getClass().getName() + ":" + ex.getMessage());
   1.294 -            }
   1.295 -        }
   1.296 -
   1.297 -        private Object runTest() throws IllegalAccessException, 
   1.298 -        IllegalArgumentException, ClassNotFoundException, UnsupportedEncodingException, 
   1.299 -        InvocationTargetException, InstantiationException, InterruptedException {
   1.300 -            if (this.getHtmlFragment() != null) {
   1.301 -                setAttr("bck2brwsr.fragment", "innerHTML", this.getHtmlFragment());
   1.302 -            }
   1.303 -            log("Invoking " + this.getClassName() + '.' + this.getMethodName() + " as request: " + this.getRequestId());
   1.304 -            Object result = invokeMethod(this.getClassName(), this.getMethodName());
   1.305 -            setAttr("bck2brwsr.fragment", "innerHTML", "");
   1.306 -            log("Result: " + result);
   1.307 -            result = encodeURL("" + result);
   1.308 -            log("Sending back: ...?request=" + this.getRequestId() + "&result=" + result);
   1.309 -            return result;
   1.310 -        }
   1.311 -
   1.312 -        private Object invokeMethod(String clazz, String method)
   1.313 -        throws ClassNotFoundException, InvocationTargetException,
   1.314 -        InterruptedException, IllegalAccessException, IllegalArgumentException,
   1.315 -        InstantiationException {
   1.316 -            Method found = null;
   1.317 -            Class<?> c = Class.forName(clazz);
   1.318 -            for (Method m : c.getMethods()) {
   1.319 -                if (m.getName().equals(method)) {
   1.320 -                    found = m;
   1.321 -                }
   1.322 -            }
   1.323 -            Object res;
   1.324 -            if (found != null) {
   1.325 -                try {
   1.326 -                    if ((found.getModifiers() & Modifier.STATIC) != 0) {
   1.327 -                        res = found.invoke(null);
   1.328 -                    } else {
   1.329 -                        if (inst == null) {
   1.330 -                            inst = c.newInstance();
   1.331 -                        }
   1.332 -                        res = found.invoke(inst);
   1.333 -                    }
   1.334 -                } catch (Throwable ex) {
   1.335 -                    if (ex instanceof InvocationTargetException) {
   1.336 -                        ex = ((InvocationTargetException) ex).getTargetException();
   1.337 -                    }
   1.338 -                    if (ex instanceof InterruptedException) {
   1.339 -                        throw (InterruptedException)ex;
   1.340 -                    }
   1.341 -                    res = ex.getClass().getName() + ":" + ex.getMessage();
   1.342 -                }
   1.343 -            } else {
   1.344 -                res = "Can't find method " + method + " in " + clazz;
   1.345 -            }
   1.346 -            return res;
   1.347 -        }
   1.348 -        
   1.349 -        @JavaScriptBody(args = "s", body = "return eval('(' + s + ')');")
   1.350 -        private static native Object toJSON(String s);
   1.351 -        
   1.352 -        @JavaScriptBody(args = {"p", "d"}, body = 
   1.353 -              "var v = d[p];\n"
   1.354 -            + "if (typeof v === 'undefined') return null;\n"
   1.355 -            + "return v.toString();"
   1.356 -        )
   1.357 -        private static native String value(String p, Object d);
   1.358 -    }
   1.359 -}