1.1 --- a/ko/fx/src/main/java/org/apidesign/bck2brwsr/kofx/LoadJSON.java Wed Jun 26 20:11:13 2013 +0200
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,234 +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.kofx;
1.22 -
1.23 -import java.io.IOException;
1.24 -import java.io.InputStream;
1.25 -import java.io.InputStreamReader;
1.26 -import java.io.OutputStream;
1.27 -import java.io.PushbackInputStream;
1.28 -import java.io.Reader;
1.29 -import java.net.HttpURLConnection;
1.30 -import java.net.MalformedURLException;
1.31 -import java.net.URL;
1.32 -import java.net.URLConnection;
1.33 -import java.util.Iterator;
1.34 -import java.util.concurrent.Executor;
1.35 -import java.util.concurrent.Executors;
1.36 -import java.util.logging.Level;
1.37 -import java.util.logging.Logger;
1.38 -import javafx.application.Platform;
1.39 -import net.java.html.js.JavaScriptBody;
1.40 -import netscape.javascript.JSObject;
1.41 -import org.apidesign.html.json.spi.JSONCall;
1.42 -import org.json.JSONArray;
1.43 -import org.json.JSONException;
1.44 -import org.json.JSONObject;
1.45 -import org.json.JSONTokener;
1.46 -
1.47 -/** This is an implementation package - just
1.48 - * include its JAR on classpath and use official {@link Context} API
1.49 - * to access the functionality.
1.50 - *
1.51 - * @author Jaroslav Tulach <jtulach@netbeans.org>
1.52 - */
1.53 -final class LoadJSON implements Runnable {
1.54 - private static final Logger LOG = FXContext.LOG;
1.55 - private static final Executor REQ = Executors.newCachedThreadPool();
1.56 -
1.57 - private final JSONCall call;
1.58 - private final URL base;
1.59 - private Throwable error;
1.60 - private Object json;
1.61 -
1.62 -
1.63 - private LoadJSON(JSONCall call) {
1.64 - this.call = call;
1.65 - URL b;
1.66 - try {
1.67 - b = new URL(findBaseURL());
1.68 - } catch (MalformedURLException ex) {
1.69 - LOG.log(Level.SEVERE, "Can't find base url for " + call.composeURL("dummy"), ex);
1.70 - b = null;
1.71 - }
1.72 - this.base = b;
1.73 - }
1.74 -
1.75 - public static void loadJSON(JSONCall call) {
1.76 - REQ.execute(new LoadJSON((call)));
1.77 - }
1.78 -
1.79 - @Override
1.80 - public void run() {
1.81 - if (Platform.isFxApplicationThread()) {
1.82 - if (error != null) {
1.83 - call.notifyError(error);
1.84 - } else {
1.85 - call.notifySuccess(json);
1.86 - }
1.87 - return;
1.88 - }
1.89 - final String url;
1.90 - if (call.isJSONP()) {
1.91 - url = call.composeURL("dummy");
1.92 - } else {
1.93 - url = call.composeURL(null);
1.94 - }
1.95 - try {
1.96 - final URL u = new URL(base, url.replace(" ", "%20"));
1.97 - URLConnection conn = u.openConnection();
1.98 - if (conn instanceof HttpURLConnection) {
1.99 - HttpURLConnection huc = (HttpURLConnection) conn;
1.100 - if (call.getMethod() != null) {
1.101 - huc.setRequestMethod(call.getMethod());
1.102 - }
1.103 - if (call.isDoOutput()) {
1.104 - huc.setDoOutput(true);
1.105 - final OutputStream os = huc.getOutputStream();
1.106 - call.writeData(os);
1.107 - os.flush();
1.108 - }
1.109 - }
1.110 - final PushbackInputStream is = new PushbackInputStream(
1.111 - conn.getInputStream(), 1
1.112 - );
1.113 - boolean array = false;
1.114 - boolean string = false;
1.115 - if (call.isJSONP()) {
1.116 - for (;;) {
1.117 - int ch = is.read();
1.118 - if (ch == -1) {
1.119 - break;
1.120 - }
1.121 - if (ch == '[') {
1.122 - is.unread(ch);
1.123 - array = true;
1.124 - break;
1.125 - }
1.126 - if (ch == '{') {
1.127 - is.unread(ch);
1.128 - break;
1.129 - }
1.130 - }
1.131 - } else {
1.132 - int ch = is.read();
1.133 - if (ch == -1) {
1.134 - string = true;
1.135 - } else {
1.136 - array = ch == '[';
1.137 - is.unread(ch);
1.138 - if (!array && ch != '{') {
1.139 - string = true;
1.140 - }
1.141 - }
1.142 - }
1.143 - try {
1.144 - if (string) {
1.145 - throw new JSONException("");
1.146 - }
1.147 - Reader r = new InputStreamReader(is, "UTF-8");
1.148 -
1.149 - JSONTokener tok = new JSONTokener(r);
1.150 - Object obj;
1.151 - obj = array ? new JSONArray(tok) : new JSONObject(tok);
1.152 - json = convertToArray(obj);
1.153 - } catch (JSONException ex) {
1.154 - Reader r = new InputStreamReader(is, "UTF-8");
1.155 - StringBuilder sb = new StringBuilder();
1.156 - for (;;) {
1.157 - int ch = r.read();
1.158 - if (ch == -1) {
1.159 - break;
1.160 - }
1.161 - sb.append((char)ch);
1.162 - }
1.163 - json = sb.toString();
1.164 - }
1.165 - } catch (IOException ex) {
1.166 - error = ex;
1.167 - LOG.log(Level.WARNING, "Cannot connect to " + url, ex);
1.168 - } finally {
1.169 - Platform.runLater(this);
1.170 - }
1.171 - }
1.172 -
1.173 - private static Object convertToArray(Object o) throws JSONException {
1.174 - if (o instanceof JSONArray) {
1.175 - JSONArray ja = (JSONArray)o;
1.176 - Object[] arr = new Object[ja.length()];
1.177 - for (int i = 0; i < arr.length; i++) {
1.178 - arr[i] = convertToArray(ja.get(i));
1.179 - }
1.180 - return arr;
1.181 - } else if (o instanceof JSONObject) {
1.182 - JSONObject obj = (JSONObject)o;
1.183 - Iterator it = obj.keys();
1.184 - while (it.hasNext()) {
1.185 - String key = (String)it.next();
1.186 - obj.put(key, convertToArray(obj.get(key)));
1.187 - }
1.188 - return obj;
1.189 - } else {
1.190 - return o;
1.191 - }
1.192 - }
1.193 -
1.194 - public static void extractJSON(Object jsonObject, String[] props, Object[] values) {
1.195 - if (jsonObject instanceof JSONObject) {
1.196 - JSONObject obj = (JSONObject)jsonObject;
1.197 - for (int i = 0; i < props.length; i++) {
1.198 - try {
1.199 - values[i] = obj.has(props[i]) ? obj.get(props[i]) : null;
1.200 - } catch (JSONException ex) {
1.201 - LoadJSON.LOG.log(Level.SEVERE, "Can't read " + props[i] + " from " + jsonObject, ex);
1.202 - }
1.203 - }
1.204 - }
1.205 - if (jsonObject instanceof JSObject) {
1.206 - JSObject obj = (JSObject)jsonObject;
1.207 - for (int i = 0; i < props.length; i++) {
1.208 - Object val = obj.getMember(props[i]);
1.209 - values[i] = isDefined(val) ? val : null;
1.210 - }
1.211 - }
1.212 - }
1.213 -
1.214 - public static Object parse(InputStream is) throws IOException {
1.215 - try {
1.216 - InputStreamReader r = new InputStreamReader(is, "UTF-8");
1.217 - JSONTokener t = new JSONTokener(r);
1.218 - return new JSONObject(t);
1.219 - } catch (JSONException ex) {
1.220 - throw new IOException(ex);
1.221 - }
1.222 - }
1.223 -
1.224 - @JavaScriptBody(args = { }, body =
1.225 - "var h;"
1.226 - + "if (!!window && !!window.location && !!window.location.href)\n"
1.227 - + " h = window.location.href;\n"
1.228 - + "else "
1.229 - + " h = null;"
1.230 - + "return h;\n"
1.231 - )
1.232 - private static native String findBaseURL();
1.233 -
1.234 - private static boolean isDefined(Object val) {
1.235 - return !"undefined".equals(val);
1.236 - }
1.237 -}