1.1 --- a/ko-fx/src/main/java/org/apidesign/html/kofx/LoadJSON.java Mon Dec 16 15:48:09 2013 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,267 +0,0 @@
1.4 -/**
1.5 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
1.6 - *
1.7 - * Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
1.8 - *
1.9 - * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
1.10 - * Other names may be trademarks of their respective owners.
1.11 - *
1.12 - * The contents of this file are subject to the terms of either the GNU
1.13 - * General Public License Version 2 only ("GPL") or the Common
1.14 - * Development and Distribution License("CDDL") (collectively, the
1.15 - * "License"). You may not use this file except in compliance with the
1.16 - * License. You can obtain a copy of the License at
1.17 - * http://www.netbeans.org/cddl-gplv2.html
1.18 - * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
1.19 - * specific language governing permissions and limitations under the
1.20 - * License. When distributing the software, include this License Header
1.21 - * Notice in each file and include the License file at
1.22 - * nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
1.23 - * particular file as subject to the "Classpath" exception as provided
1.24 - * by Oracle in the GPL Version 2 section of the License file that
1.25 - * accompanied this code. If applicable, add the following below the
1.26 - * License Header, with the fields enclosed by brackets [] replaced by
1.27 - * your own identifying information:
1.28 - * "Portions Copyrighted [year] [name of copyright owner]"
1.29 - *
1.30 - * Contributor(s):
1.31 - *
1.32 - * The Original Software is NetBeans. The Initial Developer of the Original
1.33 - * Software is Oracle. Portions Copyright 2013-2013 Oracle. All Rights Reserved.
1.34 - *
1.35 - * If you wish your version of this file to be governed by only the CDDL
1.36 - * or only the GPL Version 2, indicate your decision by adding
1.37 - * "[Contributor] elects to include this software in this distribution
1.38 - * under the [CDDL or GPL Version 2] license." If you do not indicate a
1.39 - * single choice of license, a recipient has the option to distribute
1.40 - * your version of this file under either the CDDL, the GPL Version 2 or
1.41 - * to extend the choice of license to its licensees as provided above.
1.42 - * However, if you add GPL Version 2 code and therefore, elected the GPL
1.43 - * Version 2 license, then the option applies only if the new code is
1.44 - * made subject to such option by the copyright holder.
1.45 - */
1.46 -package org.apidesign.html.kofx;
1.47 -
1.48 -import java.io.IOException;
1.49 -import java.io.InputStream;
1.50 -import java.io.InputStreamReader;
1.51 -import java.io.OutputStream;
1.52 -import java.io.PushbackInputStream;
1.53 -import java.io.Reader;
1.54 -import java.net.HttpURLConnection;
1.55 -import java.net.MalformedURLException;
1.56 -import java.net.URL;
1.57 -import java.net.URLConnection;
1.58 -import java.util.Iterator;
1.59 -import java.util.concurrent.Executor;
1.60 -import java.util.concurrent.Executors;
1.61 -import java.util.concurrent.ThreadFactory;
1.62 -import java.util.logging.Level;
1.63 -import java.util.logging.Logger;
1.64 -import javafx.application.Platform;
1.65 -import net.java.html.js.JavaScriptBody;
1.66 -import netscape.javascript.JSObject;
1.67 -import org.apidesign.html.json.spi.JSONCall;
1.68 -import org.json.JSONArray;
1.69 -import org.json.JSONException;
1.70 -import org.json.JSONObject;
1.71 -import org.json.JSONTokener;
1.72 -
1.73 -/** This is an implementation package - just
1.74 - * include its JAR on classpath and use official {@link Context} API
1.75 - * to access the functionality.
1.76 - *
1.77 - * @author Jaroslav Tulach <jtulach@netbeans.org>
1.78 - */
1.79 -final class LoadJSON implements Runnable {
1.80 - private static final Logger LOG = FXContext.LOG;
1.81 - private static final Executor REQ = Executors.newCachedThreadPool(new ThreadFactory() {
1.82 - @Override
1.83 - public Thread newThread(Runnable runnable) {
1.84 - Thread thread = Executors.defaultThreadFactory().newThread(runnable);
1.85 - thread.setDaemon(true);
1.86 - return thread;
1.87 - }
1.88 - });
1.89 -
1.90 - private final JSONCall call;
1.91 - private final URL base;
1.92 - private Throwable error;
1.93 - private Object json;
1.94 -
1.95 -
1.96 - private LoadJSON(JSONCall call) {
1.97 - this.call = call;
1.98 - URL b;
1.99 - try {
1.100 - b = new URL(findBaseURL());
1.101 - } catch (MalformedURLException ex) {
1.102 - LOG.log(Level.SEVERE, "Can't find base url for " + call.composeURL("dummy"), ex);
1.103 - b = null;
1.104 - }
1.105 - this.base = b;
1.106 - }
1.107 -
1.108 - public static void loadJSON(JSONCall call) {
1.109 - assert !"WebSocket".equals(call.getMethod());
1.110 - REQ.execute(new LoadJSON((call)));
1.111 - }
1.112 -
1.113 - @Override
1.114 - public void run() {
1.115 - if (Platform.isFxApplicationThread()) {
1.116 - if (error != null) {
1.117 - call.notifyError(error);
1.118 - } else {
1.119 - call.notifySuccess(json);
1.120 - }
1.121 - return;
1.122 - }
1.123 - final String url;
1.124 - if (call.isJSONP()) {
1.125 - url = call.composeURL("dummy");
1.126 - } else {
1.127 - url = call.composeURL(null);
1.128 - }
1.129 - try {
1.130 - final URL u = new URL(base, url.replace(" ", "%20"));
1.131 - URLConnection conn = u.openConnection();
1.132 - if (conn instanceof HttpURLConnection) {
1.133 - HttpURLConnection huc = (HttpURLConnection) conn;
1.134 - if (call.getMethod() != null) {
1.135 - huc.setRequestMethod(call.getMethod());
1.136 - }
1.137 - if (call.isDoOutput()) {
1.138 - huc.setDoOutput(true);
1.139 - final OutputStream os = huc.getOutputStream();
1.140 - call.writeData(os);
1.141 - os.flush();
1.142 - }
1.143 - }
1.144 - final PushbackInputStream is = new PushbackInputStream(
1.145 - conn.getInputStream(), 1
1.146 - );
1.147 - boolean array = false;
1.148 - boolean string = false;
1.149 - if (call.isJSONP()) {
1.150 - for (;;) {
1.151 - int ch = is.read();
1.152 - if (ch == -1) {
1.153 - break;
1.154 - }
1.155 - if (ch == '[') {
1.156 - is.unread(ch);
1.157 - array = true;
1.158 - break;
1.159 - }
1.160 - if (ch == '{') {
1.161 - is.unread(ch);
1.162 - break;
1.163 - }
1.164 - }
1.165 - } else {
1.166 - int ch = is.read();
1.167 - if (ch == -1) {
1.168 - string = true;
1.169 - } else {
1.170 - array = ch == '[';
1.171 - is.unread(ch);
1.172 - if (!array && ch != '{') {
1.173 - string = true;
1.174 - }
1.175 - }
1.176 - }
1.177 - try {
1.178 - if (string) {
1.179 - throw new JSONException("");
1.180 - }
1.181 - Reader r = new InputStreamReader(is, "UTF-8");
1.182 -
1.183 - JSONTokener tok = new JSONTokener(r);
1.184 - Object obj;
1.185 - obj = array ? new JSONArray(tok) : new JSONObject(tok);
1.186 - json = convertToArray(obj);
1.187 - } catch (JSONException ex) {
1.188 - Reader r = new InputStreamReader(is, "UTF-8");
1.189 - StringBuilder sb = new StringBuilder();
1.190 - for (;;) {
1.191 - int ch = r.read();
1.192 - if (ch == -1) {
1.193 - break;
1.194 - }
1.195 - sb.append((char)ch);
1.196 - }
1.197 - json = sb.toString();
1.198 - }
1.199 - } catch (IOException ex) {
1.200 - error = ex;
1.201 - } finally {
1.202 - Platform.runLater(this);
1.203 - }
1.204 - }
1.205 -
1.206 - static Object convertToArray(Object o) throws JSONException {
1.207 - if (o instanceof JSONArray) {
1.208 - JSONArray ja = (JSONArray)o;
1.209 - Object[] arr = new Object[ja.length()];
1.210 - for (int i = 0; i < arr.length; i++) {
1.211 - arr[i] = convertToArray(ja.get(i));
1.212 - }
1.213 - return arr;
1.214 - } else if (o instanceof JSONObject) {
1.215 - JSONObject obj = (JSONObject)o;
1.216 - Iterator it = obj.keys();
1.217 - while (it.hasNext()) {
1.218 - String key = (String)it.next();
1.219 - obj.put(key, convertToArray(obj.get(key)));
1.220 - }
1.221 - return obj;
1.222 - } else {
1.223 - return o;
1.224 - }
1.225 - }
1.226 -
1.227 - public static void extractJSON(Object jsonObject, String[] props, Object[] values) {
1.228 - if (jsonObject instanceof JSONObject) {
1.229 - JSONObject obj = (JSONObject)jsonObject;
1.230 - for (int i = 0; i < props.length; i++) {
1.231 - try {
1.232 - values[i] = obj.has(props[i]) ? obj.get(props[i]) : null;
1.233 - } catch (JSONException ex) {
1.234 - LoadJSON.LOG.log(Level.SEVERE, "Can't read " + props[i] + " from " + jsonObject, ex);
1.235 - }
1.236 - }
1.237 - }
1.238 - if (jsonObject instanceof JSObject) {
1.239 - JSObject obj = (JSObject)jsonObject;
1.240 - for (int i = 0; i < props.length; i++) {
1.241 - Object val = obj.getMember(props[i]);
1.242 - values[i] = isDefined(val) ? val : null;
1.243 - }
1.244 - }
1.245 - }
1.246 -
1.247 - public static Object parse(InputStream is) throws IOException {
1.248 - try {
1.249 - InputStreamReader r = new InputStreamReader(is, "UTF-8");
1.250 - JSONTokener t = new JSONTokener(r);
1.251 - return new JSONObject(t);
1.252 - } catch (JSONException ex) {
1.253 - throw new IOException(ex);
1.254 - }
1.255 - }
1.256 -
1.257 - @JavaScriptBody(args = { }, body =
1.258 - "var h;"
1.259 - + "if (!!window && !!window.location && !!window.location.href)\n"
1.260 - + " h = window.location.href;\n"
1.261 - + "else "
1.262 - + " h = null;"
1.263 - + "return h;\n"
1.264 - )
1.265 - private static native String findBaseURL();
1.266 -
1.267 - private static boolean isDefined(Object val) {
1.268 - return !"undefined".equals(val);
1.269 - }
1.270 -}