/*
* Copyright (c) 2011 PonySDK
* Owners:
* Luciano Broussal <luciano.broussal AT gmail.com>
* Mathieu Barbier <mathieu.barbier AT gmail.com>
* Nicolas Ciaravola <nicolas.ciaravola.pro AT gmail.com>
*
* WebSite:
* http://code.google.com/p/pony-sdk/
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.ponysdk.ui.terminal;
import java.util.Collection;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.timepedia.exporter.client.Export;
import org.timepedia.exporter.client.ExportConstructor;
import org.timepedia.exporter.client.ExportPackage;
import org.timepedia.exporter.client.Exportable;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.GWT.UncaughtExceptionHandler;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.json.client.JSONArray;
import com.google.gwt.json.client.JSONObject;
import com.google.gwt.json.client.JSONString;
import com.google.gwt.storage.client.Storage;
import com.google.gwt.user.client.Cookies;
import com.google.gwt.user.client.History;
import com.google.gwt.user.client.Window;
import com.ponysdk.ui.terminal.Dictionnary.APPLICATION;
import com.ponysdk.ui.terminal.Dictionnary.HISTORY;
import com.ponysdk.ui.terminal.Dictionnary.PROPERTY;
import com.ponysdk.ui.terminal.Dictionnary.TYPE;
import com.ponysdk.ui.terminal.instruction.PTInstruction;
import com.ponysdk.ui.terminal.request.HttpRequestBuilder;
import com.ponysdk.ui.terminal.request.ParentWindowRequest;
import com.ponysdk.ui.terminal.request.RequestBuilder;
import com.ponysdk.ui.terminal.request.RequestCallback;
@ExportPackage(value = "")
@Export(value = "ponysdk", all = false)
public class PonySDK implements Exportable {
private final static Logger log = Logger.getLogger(PonySDK.class.getName());
private static PonySDK INSTANCE;
protected UIBuilder uiBuilder = new UIBuilder();
protected RequestBuilder requestBuilder;
protected long applicationViewID;
private PonySDK() {}
@ExportConstructor
public static PonySDK constructor() {
if (INSTANCE == null) {
INSTANCE = new PonySDK();
log("Creating ponysdk instance");
}
return INSTANCE;
}
@Export
public void start() {
log("starting...");
GWT.setUncaughtExceptionHandler(new UncaughtExceptionHandler() {
@Override
public void onUncaughtException(final Throwable e) {
log.log(Level.SEVERE, "PonySDK has encountered an internal error : ", e);
Window.alert("PonySDK has encountered an internal error : " + e.getMessage());
}
});
try {
Long viewID = null;
final Storage storage = Storage.getSessionStorageIfSupported();
if (storage != null) {
final String v = storage.getItem(APPLICATION.VIEW_ID);
if (v != null && !v.isEmpty()) viewID = Long.parseLong(v);
}
final PTInstruction requestData = new PTInstruction();
final JSONArray cookies = new JSONArray();
// load all cookies at startup
final Collection<String> cookieNames = Cookies.getCookieNames();
if (cookieNames != null) {
int i = 0;
for (final String cookie : cookieNames) {
final JSONObject jsoObject = new JSONObject();
jsoObject.put(PROPERTY.KEY, new JSONString(cookie));
jsoObject.put(PROPERTY.VALUE, new JSONString(Cookies.getCookie(cookie)));
cookies.set(i++, jsoObject);
}
}
requestData.put(APPLICATION.KEY, APPLICATION.KEY_.START);
requestData.put(APPLICATION.SEQ_NUM, 0);
requestData.put(HISTORY.TOKEN, History.getToken());
requestData.put(PROPERTY.COOKIES, cookies);
if (viewID != null) requestData.put(APPLICATION.VIEW_ID, viewID);
final RequestCallback requestCallback = new RequestCallback() {
@Override
public void onDataReceived(final JSONObject data) {
try {
if (data.containsKey(APPLICATION.VIEW_ID)) {
applicationViewID = (long) data.get(APPLICATION.VIEW_ID).isNumber().doubleValue();
if (storage != null) storage.setItem(APPLICATION.VIEW_ID, Long.toString(applicationViewID));
uiBuilder.init(applicationViewID, requestBuilder);
}
uiBuilder.update(data);
} catch (final RuntimeException exception) {
log.log(Level.SEVERE, "Failed to process data with error #" + exception.getMessage() + ", data: " + data, exception);
Window.alert("Failed to process data with error #" + exception.getMessage() + ", data: " + data);
}
}
@Override
public void onError(final Throwable exception) {
uiBuilder.onCommunicationError(exception);
}
};
requestBuilder = newRequestBuilder(requestCallback);
requestBuilder.send(requestData.toString());
} catch (final Exception e) {
log.log(Level.SEVERE, "Loading application has failed #" + e.getMessage(), e);
Window.alert("Loading application has failed #" + e);
}
}
// TODO pure js factory to get the connector ?
protected RequestBuilder newRequestBuilder(final RequestCallback requestCallback) {
final String windowID = Window.Location.getParameter("wid");
if (windowID != null) { return new ParentWindowRequest(windowID, requestCallback); }
return new HttpRequestBuilder(requestCallback);
}
@Export
public void sendDataToServer(final String objectID, final JavaScriptObject jsObject) {
final PTInstruction instruction = new PTInstruction();
instruction.setObjectID(Long.parseLong(objectID));
instruction.put(TYPE.KEY, TYPE.KEY_.EVENT);
instruction.put(PROPERTY.NATIVE, jsObject);
uiBuilder.sendDataToServer(instruction);
}
@Export
public void registerCommunicationError(final CommunicationErrorHandler communicationErrorClosure) {
uiBuilder.registerCommunicationError(communicationErrorClosure);
}
@Export
public void registerAddOnFactory(final String signature, final JavascriptAddOnFactory javascriptAddOnFactory) {
uiBuilder.registerJavascriptAddOnFactory(signature, javascriptAddOnFactory);
}
@Export
public void executeInstruction(final JavaScriptObject jso) {
uiBuilder.executeInstruction(jso);
}
public static native void reload() /*-{$wnd.location.reload();}-*/;
public static native void log(String msg) /*-{ if($wnd.console) $wnd.console.log(msg);}-*/;
}