1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/ko/bck2brwsr/src/main/java/org/apidesign/bck2brwsr/ko2brwsr/ConvertTypes.java Wed Jun 26 19:29:54 2013 +0200
1.3 @@ -0,0 +1,152 @@
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.ko2brwsr;
1.22 +
1.23 +import org.apidesign.bck2brwsr.core.JavaScriptBody;
1.24 +
1.25 +/**
1.26 + *
1.27 + * @author Jaroslav Tulach <jtulach@netbeans.org>
1.28 + */
1.29 +final class ConvertTypes {
1.30 + ConvertTypes() {
1.31 + }
1.32 +
1.33 + public static String toString(Object object, String property) {
1.34 + Object ret = getProperty(object, property);
1.35 + return ret == null ? null : ret.toString();
1.36 + }
1.37 +
1.38 + public static double toDouble(Object object, String property) {
1.39 + Object ret = getProperty(object, property);
1.40 + return ret instanceof Number ? ((Number)ret).doubleValue() : Double.NaN;
1.41 + }
1.42 +
1.43 + public static int toInt(Object object, String property) {
1.44 + Object ret = getProperty(object, property);
1.45 + return ret instanceof Number ? ((Number)ret).intValue() : Integer.MIN_VALUE;
1.46 + }
1.47 +
1.48 + public static <T> T toModel(Class<T> modelClass, Object object, String property) {
1.49 + Object ret = getProperty(object, property);
1.50 + if (ret == null || modelClass.isInstance(ret)) {
1.51 + return modelClass.cast(ret);
1.52 + }
1.53 + throw new IllegalStateException("Value " + ret + " is not of type " + modelClass);
1.54 + }
1.55 +
1.56 + public static String toJSON(Object value) {
1.57 + if (value == null) {
1.58 + return "null";
1.59 + }
1.60 + if (value instanceof Enum) {
1.61 + value = value.toString();
1.62 + }
1.63 + if (value instanceof String) {
1.64 + return '"' +
1.65 + ((String)value).
1.66 + replace("\"", "\\\"").
1.67 + replace("\n", "\\n").
1.68 + replace("\r", "\\r").
1.69 + replace("\t", "\\t")
1.70 + + '"';
1.71 + }
1.72 + return value.toString();
1.73 + }
1.74 +
1.75 + @JavaScriptBody(args = { "object", "property" },
1.76 + body = "if (property === null) return object;\n"
1.77 + + "var p = object[property]; return p ? p : null;"
1.78 + )
1.79 + private static Object getProperty(Object object, String property) {
1.80 + return null;
1.81 + }
1.82 +
1.83 + public static String createJSONP(Object[] jsonResult, Runnable whenDone) {
1.84 + int h = whenDone.hashCode();
1.85 + String name;
1.86 + for (;;) {
1.87 + name = "jsonp" + Integer.toHexString(h);
1.88 + if (defineIfUnused(name, jsonResult, whenDone)) {
1.89 + return name;
1.90 + }
1.91 + h++;
1.92 + }
1.93 + }
1.94 +
1.95 + @JavaScriptBody(args = { "name", "arr", "run" }, body =
1.96 + "if (window[name]) return false;\n "
1.97 + + "window[name] = function(data) {\n "
1.98 + + " delete window[name];\n"
1.99 + + " var el = window.document.getElementById(name);\n"
1.100 + + " el.parentNode.removeChild(el);\n"
1.101 + + " arr[0] = data;\n"
1.102 + + " run.run__V();\n"
1.103 + + "};\n"
1.104 + + "return true;\n"
1.105 + )
1.106 + private static boolean defineIfUnused(String name, Object[] arr, Runnable run) {
1.107 + return true;
1.108 + }
1.109 +
1.110 + @JavaScriptBody(args = { "s" }, body = "return eval('(' + s + ')');")
1.111 + static Object parse(String s) {
1.112 + return s;
1.113 + }
1.114 +
1.115 + @JavaScriptBody(args = { "url", "arr", "callback", "method", "data" }, body = ""
1.116 + + "var request = new XMLHttpRequest();\n"
1.117 + + "if (!method) method = 'GET';\n"
1.118 + + "request.open(method, url, true);\n"
1.119 + + "request.setRequestHeader('Content-Type', 'application/json; charset=utf-8');\n"
1.120 + + "request.onreadystatechange = function() {\n"
1.121 + + " if (this.readyState!==4) return;\n"
1.122 + + " try {\n"
1.123 + + " arr[0] = eval('(' + this.response + ')');\n"
1.124 + + " } catch (error) {;\n"
1.125 + + " arr[0] = this.response;\n"
1.126 + + " }\n"
1.127 + + " callback.run__V();\n"
1.128 + + "};"
1.129 + + "if (data) request.send(data);"
1.130 + + "else request.send();"
1.131 + )
1.132 + static void loadJSON(
1.133 + String url, Object[] jsonResult, Runnable whenDone, String method, String data
1.134 + ) {
1.135 + }
1.136 +
1.137 + @JavaScriptBody(args = { "url", "jsonp" }, body =
1.138 + "var scrpt = window.document.createElement('script');\n "
1.139 + + "scrpt.setAttribute('src', url);\n "
1.140 + + "scrpt.setAttribute('id', jsonp);\n "
1.141 + + "scrpt.setAttribute('type', 'text/javascript');\n "
1.142 + + "var body = document.getElementsByTagName('body')[0];\n "
1.143 + + "body.appendChild(scrpt);\n"
1.144 + )
1.145 + static void loadJSONP(String url, String jsonp) {
1.146 +
1.147 + }
1.148 +
1.149 + public static void extractJSON(Object jsonObject, String[] props, Object[] values) {
1.150 + for (int i = 0; i < props.length; i++) {
1.151 + values[i] = getProperty(jsonObject, props[i]);
1.152 + }
1.153 + }
1.154 +
1.155 +}