ko-fx/src/main/java/org/apidesign/html/kofx/LoadJSON.java
branchnetbeans
changeset 362 92fb71afdc0e
parent 361 700087d2a5d3
child 364 2739565c7a45
     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 -}