/*
* Copyright 2000-2016 Vaadin Ltd.
*
* 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.vaadin.client;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.google.gwt.core.client.EntryPoint;
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.core.client.JsArrayString;
import com.google.gwt.core.client.RunAsyncCallback;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.core.client.Scheduler.ScheduledCommand;
import com.google.gwt.core.client.ScriptInjector;
import com.google.gwt.dom.client.Element;
import com.google.gwt.logging.client.LogConfiguration;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.Window;
import com.vaadin.client.debug.internal.ErrorNotificationHandler;
import com.vaadin.client.debug.internal.HierarchySection;
import com.vaadin.client.debug.internal.InfoSection;
import com.vaadin.client.debug.internal.LogSection;
import com.vaadin.client.debug.internal.NetworkSection;
import com.vaadin.client.debug.internal.ProfilerSection;
import com.vaadin.client.debug.internal.Section;
import com.vaadin.client.debug.internal.TestBenchSection;
import com.vaadin.client.debug.internal.VDebugWindow;
import com.vaadin.client.debug.internal.theme.DebugWindowStyles;
import com.vaadin.client.event.PointerEventSupport;
import com.vaadin.client.metadata.NoDataException;
import com.vaadin.client.metadata.TypeData;
import com.vaadin.client.ui.UnknownComponentConnector;
import com.vaadin.client.ui.UnknownExtensionConnector;
import com.vaadin.client.ui.ui.UIConnector;
import com.vaadin.shared.ApplicationConstants;
import com.vaadin.shared.ui.ui.UIConstants;
public class ApplicationConfiguration implements EntryPoint {
/**
* Helper class for reading configuration options from the bootstap
* javascript
*
* @since 7.0
*/
private static class JsoConfiguration extends JavaScriptObject {
protected JsoConfiguration() {
// JSO Constructor
}
/**
* Reads a configuration parameter as a string. Please note that the
* javascript value of the parameter should also be a string, or else an
* undefined exception may be thrown.
*
* @param name
* name of the configuration parameter
* @return value of the configuration parameter, or <code>null</code> if
* not defined
*/
private native String getConfigString(String name)
/*-{
var value = this.getConfig(name);
if (value === null || value === undefined) {
return null;
} else {
return value +"";
}
}-*/;
/**
* Reads a configuration parameter as a boolean object. Please note that
* the javascript value of the parameter should also be a boolean, or
* else an undefined exception may be thrown.
*
* @param name
* name of the configuration parameter
* @return boolean value of the configuration paramter, or
* <code>null</code> if no value is defined
*/
private native Boolean getConfigBoolean(String name)
/*-{
var value = this.getConfig(name);
if (value === null || value === undefined) {
return null;
} else {
// $entry not needed as function is not exported
return @java.lang.Boolean::valueOf(Z)(value);
}
}-*/;
/**
* Reads a configuration parameter as an integer object. Please note
* that the javascript value of the parameter should also be an integer,
* or else an undefined exception may be thrown.
*
* @param name
* name of the configuration parameter
* @return integer value of the configuration paramter, or
* <code>null</code> if no value is defined
*/
private native Integer getConfigInteger(String name)
/*-{
var value = this.getConfig(name);
if (value === null || value === undefined) {
return null;
} else {
// $entry not needed as function is not exported
return @java.lang.Integer::valueOf(I)(value);
}
}-*/;
/**
* Reads a configuration parameter as an {@link ErrorMessage} object.
* Please note that the javascript value of the parameter should also be
* an object with appropriate fields, or else an undefined exception may
* be thrown when calling this method or when calling methods on the
* returned object.
*
* @param name
* name of the configuration parameter
* @return error message with the given name, or <code>null</code> if no
* value is defined
*/
private native ErrorMessage getConfigError(String name)
/*-{
return this.getConfig(name);
}-*/;
/**
* Returns a native javascript object containing version information
* from the server.
*
* @return a javascript object with the version information
*/
private native JavaScriptObject getVersionInfoJSObject()
/*-{
return this.getConfig("versionInfo");
}-*/;
/**
* Gets the version of the Vaadin framework used on the server.
*
* @return a string with the version
*
* @see com.vaadin.server.VaadinServlet#VERSION
*/
private native String getVaadinVersion()
/*-{
return this.getConfig("versionInfo").vaadinVersion;
}-*/;
/**
* Gets the version of the Atmosphere framework.
*
* @return a string with the version
*
* @see org.atmosphere.util#getRawVersion()
*/
private native String getAtmosphereVersion()
/*-{
return this.getConfig("versionInfo").atmosphereVersion;
}-*/;
/**
* Gets the JS version used in the Atmosphere framework.
*
* @return a string with the version
*/
private native String getAtmosphereJSVersion()
/*-{
if ($wnd.vaadinPush && $wnd.vaadinPush.atmosphere) {
return $wnd.vaadinPush.atmosphere.version;
} else {
return null;
}
}-*/;
private native String getUIDL()
/*-{
return this.getConfig("uidl");
}-*/;
}
/**
* Wraps a native javascript object containing fields for an error message
*
* @since 7.0
*/
public static final class ErrorMessage extends JavaScriptObject {
protected ErrorMessage() {
// JSO constructor
}
public final native String getCaption()
/*-{
return this.caption;
}-*/;
public final native String getMessage()
/*-{
return this.message;
}-*/;
public final native String getUrl()
/*-{
return this.url;
}-*/;
}
private static WidgetSet widgetSet = GWT.create(WidgetSet.class);
private String id;
/**
* The URL to the VAADIN directory containing themes and widgetsets. Should
* always end with a slash (/).
*/
private String vaadinDirUrl;
private String frontendUrl;
private String serviceUrl;
private String contextRootUrl;
private int uiId;
private boolean standalone;
private ErrorMessage communicationError;
private ErrorMessage authorizationError;
private ErrorMessage sessionExpiredError;
private int heartbeatInterval;
private HashMap<Integer, String> unknownComponents;
private Map<Integer, Class<? extends ServerConnector>> classes = new HashMap<>();
private boolean widgetsetVersionSent = false;
private static boolean moduleLoaded = false;
static// TODO consider to make this hashmap per application
LinkedList<Command> callbacks = new LinkedList<>();
private static int dependenciesLoading;
private static ArrayList<ApplicationConnection> runningApplications = new ArrayList<>();
private Map<Integer, Integer> componentInheritanceMap = new HashMap<>();
private Map<Integer, String> tagToServerSideClassName = new HashMap<>();
/**
* Checks whether path info in requests to the server-side service should be
* in a request parameter (named <code>v-resourcePath</code>) or appended to
* the end of the service URL.
*
* @see #getServiceUrl()
*
* @return <code>true</code> if path info should be a request parameter;
* <code>false</code> if the path info goes after the service URL
*/
public boolean useServiceUrlPathParam() {
return getServiceUrlParameterName() != null;
}
/**
* Return the name of the parameter used to to send data to the service url.
* This method should only be called if {@link #useServiceUrlPathParam()} is
* true.
*
* @since 7.1.6
* @return The parameter name, by default <code>v-resourcePath</code>
*/
public String getServiceUrlParameterName() {
return getJsoConfiguration(id).getConfigString(
ApplicationConstants.SERVICE_URL_PARAMETER_NAME);
}
public String getRootPanelId() {
return id;
}
/**
* Gets the URL to the server-side VaadinService. If
* {@link #useServiceUrlPathParam()} return <code>true</code>, the requested
* path info should be in the <code>v-resourcePath</code> query parameter;
* else the path info should be appended to the end of the URL.
*
* @see #useServiceUrlPathParam()
*
* @return the URL to the server-side service as a string
*/
public String getServiceUrl() {
return serviceUrl;
}
/**
* Gets the URL to the context root of the web application
*
* @return the URL to the server-side context root as a string
*
* @since 8.0.3
*/
public String getContextRootUrl() {
return contextRootUrl;
}
/**
* @return the theme name used when initializing the application
* @deprecated as of 7.3. Use {@link UIConnector#getActiveTheme()} to get
* the theme currently in use
*/
@Deprecated
public String getThemeName() {
return getJsoConfiguration(id).getConfigString("theme");
}
/**
* Gets the URL of the VAADIN directory on the server.
*
* @return the URL of the VAADIN directory
*/
public String getVaadinDirUrl() {
return vaadinDirUrl;
}
/**
* Gets the URL of the that the {@literal frontend://} protocol should
* resolve to.
*
* @return the URL of the frontend protocol
* @since 8.1
*/
public String getFrontendUrl() {
return frontendUrl;
}
public void setAppId(String appId) {
id = appId;
}
/**
* Gets the initial UIDL from the DOM, if it was provided during the init
* process.
*
* @return
*/
public String getUIDL() {
return getJsoConfiguration(id).getUIDL();
}
/**
* @return true if the application is served by std. Vaadin servlet and is
* considered to be the only or main content of the host page.
*/
public boolean isStandalone() {
return standalone;
}
/**
* Gets the UI id of the server-side UI associated with this client-side
* instance. The UI id should be included in every request originating from
* this instance in order to associate the request with the right UI
* instance on the server.
*
* @return the UI id
*/
public int getUIId() {
return uiId;
}
/**
* @return The interval in seconds between heartbeat requests, or a
* non-positive number if heartbeat is disabled.
*/
public int getHeartbeatInterval() {
return heartbeatInterval;
}
public JavaScriptObject getVersionInfoJSObject() {
return getJsoConfiguration(id).getVersionInfoJSObject();
}
public ErrorMessage getCommunicationError() {
return communicationError;
}
public ErrorMessage getAuthorizationError() {
return authorizationError;
}
public ErrorMessage getSessionExpiredError() {
return sessionExpiredError;
}
/**
* Reads the configuration values defined by the bootstrap javascript.
*/
private void loadFromDOM() {
JsoConfiguration jsoConfiguration = getJsoConfiguration(id);
serviceUrl = jsoConfiguration
.getConfigString(ApplicationConstants.SERVICE_URL);
if (serviceUrl == null || "".equals(serviceUrl)) {
/*
* Use the current url without query parameters and fragment as the
* default value.
*/
serviceUrl = Window.Location.getHref().replaceFirst("[?#].*", "");
} else {
/*
* Resolve potentially relative URLs to ensure they point to the
* desired locations even if the base URL of the page changes later
* (e.g. with pushState)
*/
serviceUrl = WidgetUtil.getAbsoluteUrl(serviceUrl);
}
// Ensure there's an ending slash (to make appending e.g. UIDL work)
if (!useServiceUrlPathParam() && !serviceUrl.endsWith("/")) {
serviceUrl += '/';
}
contextRootUrl = jsoConfiguration
.getConfigString(ApplicationConstants.CONTEXT_ROOT_URL);
vaadinDirUrl = WidgetUtil.getAbsoluteUrl(jsoConfiguration
.getConfigString(ApplicationConstants.VAADIN_DIR_URL));
frontendUrl = WidgetUtil.getAbsoluteUrl(jsoConfiguration
.getConfigString(ApplicationConstants.FRONTEND_URL));
uiId = jsoConfiguration.getConfigInteger(UIConstants.UI_ID_PARAMETER)
.intValue();
// null -> false
standalone = jsoConfiguration
.getConfigBoolean("standalone") == Boolean.TRUE;
heartbeatInterval = jsoConfiguration
.getConfigInteger("heartbeatInterval");
communicationError = jsoConfiguration.getConfigError("comErrMsg");
authorizationError = jsoConfiguration.getConfigError("authErrMsg");
sessionExpiredError = jsoConfiguration.getConfigError("sessExpMsg");
}
/**
* Starts the application with a given id by reading the configuration
* options stored by the bootstrap javascript.
*
* @param applicationId
* id of the application to load, this is also the id of the html
* element into which the application should be rendered.
*/
public static void startApplication(final String applicationId) {
Scheduler.get().scheduleDeferred(new ScheduledCommand() {
@Override
public void execute() {
Profiler.enter("ApplicationConfiguration.startApplication");
ApplicationConfiguration appConf = getConfigFromDOM(
applicationId);
ApplicationConnection a = GWT
.create(ApplicationConnection.class);
a.init(widgetSet, appConf);
runningApplications.add(a);
Profiler.leave("ApplicationConfiguration.startApplication");
a.start();
}
});
}
public static List<ApplicationConnection> getRunningApplications() {
return runningApplications;
}
/**
* Gets the configuration object for a specific application from the
* bootstrap javascript.
*
* @param appId
* the id of the application to get configuration data for
* @return a native javascript object containing the configuration data
*/
private native static JsoConfiguration getJsoConfiguration(String appId)
/*-{
return $wnd.vaadin.getApp(appId);
}-*/;
public static ApplicationConfiguration getConfigFromDOM(String appId) {
ApplicationConfiguration conf = new ApplicationConfiguration();
conf.setAppId(appId);
conf.loadFromDOM();
return conf;
}
public String getServletVersion() {
return getJsoConfiguration(id).getVaadinVersion();
}
/**
* Return Atmosphere version.
*
* @since 7.4
*
* @return Atmosphere version.
*/
public String getAtmosphereVersion() {
return getJsoConfiguration(id).getAtmosphereVersion();
}
/**
* Return Atmosphere JS version.
*
* @since 7.4
*
* @return Atmosphere JS version.
*/
public String getAtmosphereJSVersion() {
return getJsoConfiguration(id).getAtmosphereJSVersion();
}
public Class<? extends ServerConnector> getConnectorClassByEncodedTag(
int tag) {
Class<? extends ServerConnector> type = classes.get(tag);
if (type == null && !classes.containsKey(tag)) {
// Initialize if not already loaded
Integer currentTag = Integer.valueOf(tag);
while (type == null && currentTag != null) {
String serverSideClassNameForTag = getServerSideClassNameForTag(
currentTag);
if (TypeData.hasIdentifier(serverSideClassNameForTag)) {
try {
type = (Class<? extends ServerConnector>) TypeData
.getClass(serverSideClassNameForTag);
} catch (NoDataException e) {
throw new RuntimeException(e);
}
}
currentTag = getParentTag(currentTag.intValue());
}
if (type == null) {
if (isExtensionType(tag)) {
type = UnknownExtensionConnector.class;
} else {
type = UnknownComponentConnector.class;
}
if (unknownComponents == null) {
unknownComponents = new HashMap<>();
}
unknownComponents.put(tag, getServerSideClassNameForTag(tag));
}
classes.put(tag, type);
}
return type;
}
private boolean isExtensionType(int tag) {
Integer currentTag = Integer.valueOf(tag);
while (currentTag != null) {
String serverSideClassNameForTag = getServerSideClassNameForTag(
currentTag);
if ("com.vaadin.server.AbstractExtension"
.equals(serverSideClassNameForTag)) {
return true;
}
currentTag = getParentTag(currentTag.intValue());
}
return false;
}
public void addComponentInheritanceInfo(ValueMap valueMap) {
JsArrayString keyArray = valueMap.getKeyArray();
for (int i = 0; i < keyArray.length(); i++) {
String key = keyArray.get(i);
int value = valueMap.getInt(key);
componentInheritanceMap.put(Integer.parseInt(key), value);
}
}
public void addComponentMappings(ValueMap valueMap, WidgetSet widgetSet) {
JsArrayString keyArray = valueMap.getKeyArray();
for (int i = 0; i < keyArray.length(); i++) {
String key = keyArray.get(i).intern();
int value = valueMap.getInt(key);
tagToServerSideClassName.put(value, key);
}
for (int i = 0; i < keyArray.length(); i++) {
String key = keyArray.get(i).intern();
int value = valueMap.getInt(key);
widgetSet.ensureConnectorLoaded(value, this);
}
}
/**
* Returns all tags for given class. Tags are used in
* {@link ApplicationConfiguration} to keep track of different classes and
* their hierarchy
*
* @since 7.2
* @param classname
* name of class which tags we want
* @return Integer array of tags pointing to this classname
*/
public Integer[] getTagsForServerSideClassName(String classname) {
List<Integer> tags = new ArrayList<>();
for (Map.Entry<Integer, String> entry : tagToServerSideClassName
.entrySet()) {
if (classname.equals(entry.getValue())) {
tags.add(entry.getKey());
}
}
Integer[] out = new Integer[tags.size()];
return tags.toArray(out);
}
public Integer getParentTag(int tag) {
return componentInheritanceMap.get(tag);
}
public String getServerSideClassNameForTag(Integer tag) {
return tagToServerSideClassName.get(tag);
}
String getUnknownServerClassNameByTag(int tag) {
if (unknownComponents != null) {
String className = unknownComponents.get(tag);
if (className == null) {
className = "unknown class with id " + tag;
}
return className;
}
return null;
}
/**
* Runs the given command when all pending dependencies have been loaded, or
* immediately if no dependencies are being loaded.
*
* @since 7.6
* @param command
* the command to run
*/
public static void runWhenDependenciesLoaded(Command command) {
if (dependenciesLoading == 0) {
command.execute();
} else {
callbacks.add(command);
}
}
static void startDependencyLoading() {
dependenciesLoading++;
}
static void endDependencyLoading() {
dependenciesLoading--;
if (dependenciesLoading == 0 && !callbacks.isEmpty()) {
for (Command cmd : callbacks) {
cmd.execute();
}
callbacks.clear();
}
}
private boolean vaadinBootstrapLoaded() {
Element window = ScriptInjector.TOP_WINDOW.cast();
return window.getPropertyJSO("vaadin") != null;
}
@Override
public void onModuleLoad() {
// Don't run twice if the module has been inherited several times,
// and don't continue if vaadinBootstrap was not executed.
if (moduleLoaded || !vaadinBootstrapLoaded()) {
getLogger().log(Level.WARNING,
"vaadinBootstrap.js was not loaded, skipping vaadin application configuration.");
return;
}
moduleLoaded = true;
Profiler.initialize();
Profiler.enter("ApplicationConfiguration.onModuleLoad");
BrowserInfo browserInfo = BrowserInfo.get();
// Enable iOS6 cast fix (see #10460)
if (browserInfo.isIOS6() && browserInfo.isWebkit()) {
enableIOS6castFix();
}
// Enable IE prompt fix (#13367)
if (browserInfo.isIE() && browserInfo.getBrowserMajorVersion() >= 10) {
enableIEPromptFix();
}
// Register pointer events (must be done before any events are used)
PointerEventSupport.init();
// Prepare the debugging window
if (isDebugMode()) {
/*
* XXX Lots of implementation details here right now. This should be
* cleared up when an API for extending the debug window is
* implemented.
*/
VDebugWindow window = VDebugWindow.get();
if (LogConfiguration.loggingIsEnabled()) {
window.addSection((Section) GWT.create(LogSection.class));
}
window.addSection((Section) GWT.create(InfoSection.class));
window.addSection((Section) GWT.create(HierarchySection.class));
window.addSection((Section) GWT.create(NetworkSection.class));
window.addSection((Section) GWT.create(TestBenchSection.class));
if (Profiler.isEnabled()) {
window.addSection((Section) GWT.create(ProfilerSection.class));
}
if (isQuietDebugMode()) {
window.close();
} else {
// Load debug window styles asynchronously
GWT.runAsync(new RunAsyncCallback() {
@Override
public void onSuccess() {
DebugWindowStyles dws = GWT
.create(DebugWindowStyles.class);
dws.css().ensureInjected();
}
@Override
public void onFailure(Throwable reason) {
Window.alert(
"Failed to load Vaadin debug window styles");
}
});
window.init();
}
// Connect to the legacy API
VConsole.setImplementation(window);
Handler errorNotificationHandler = GWT
.create(ErrorNotificationHandler.class);
Logger.getLogger("").addHandler(errorNotificationHandler);
}
if (LogConfiguration.loggingIsEnabled()) {
GWT.setUncaughtExceptionHandler(new UncaughtExceptionHandler() {
@Override
public void onUncaughtException(Throwable e) {
/*
* If the debug window is not enabled (?debug), this will
* not show anything to normal users. "a1 is not an object"
* style errors helps nobody, especially end user. It does
* not work tells just as much.
*/
getLogger().log(Level.SEVERE, e.getMessage(), e);
}
});
if (isProductionMode()) {
// Disable all logging if in production mode
Logger.getLogger("").setLevel(Level.OFF);
}
}
Profiler.leave("ApplicationConfiguration.onModuleLoad");
if (SuperDevMode.enableBasedOnParameter()) {
// Do not start any application as super dev mode will refresh the
// page once done compiling
return;
}
registerCallback(GWT.getModuleName());
}
/**
* Fix to iOS6 failing when comparing with 0 directly after the kind of
* comparison done by GWT when a double or float is cast to an int. Forcing
* another trivial operation (other than a compare to 0) after the dangerous
* comparison makes the issue go away. See #10460.
*/
private static native void enableIOS6castFix()
/*-{
Math.max = function(a,b) {return (a > b === 1 < 2)? a : b}
Math.min = function(a,b) {return (a < b === 1 < 2)? a : b}
}-*/;
/**
* Make Metro versions of IE suggest switching to the desktop when
* window.prompt is called.
*/
private static native void enableIEPromptFix()
/*-{
var prompt = $wnd.prompt;
$wnd.prompt = function () {
var result = prompt.apply($wnd, Array.prototype.slice.call(arguments));
if (result === undefined) {
// force the browser to suggest desktop mode
showModalDialog();
return null;
} else {
return result;
}
};
}-*/;
/**
* Registers that callback that the bootstrap javascript uses to start
* applications once the widgetset is loaded and all required information is
* available
*
* @param widgetsetName
* the name of this widgetset
*/
public native static void registerCallback(String widgetsetName)
/*-{
var callbackHandler = $entry(@com.vaadin.client.ApplicationConfiguration::startApplication(Ljava/lang/String;));
$wnd.vaadin.registerWidgetset(widgetsetName, callbackHandler);
}-*/;
/**
* Checks if client side is in debug mode. Practically this is invoked by
* adding ?debug parameter to URI. Please note that debug mode is always
* disabled if production mode is enabled, but disabling production mode
* does not automatically enable debug mode.
*
* @see #isProductionMode()
*
* @return true if client side is currently been debugged
*/
public static boolean isDebugMode() {
return isDebugAvailable()
&& Window.Location.getParameter("debug") != null;
}
/**
* Checks if production mode is enabled. When production mode is enabled,
* client-side logging is disabled. There may also be other performance
* optimizations.
*
* @since 7.1.2
* @return <code>true</code> if production mode is enabled; otherwise
* <code>false</code>.
*/
public static boolean isProductionMode() {
return !isDebugAvailable();
}
private native static boolean isDebugAvailable()
/*-{
if($wnd.vaadin.debug) {
return true;
} else {
return false;
}
}-*/;
/**
* Checks whether debug logging should be quiet
*
* @return <code>true</code> if debug logging should be quiet
*/
public static boolean isQuietDebugMode() {
String debugParameter = Window.Location.getParameter("debug");
return isDebugAvailable() && debugParameter != null
&& debugParameter.startsWith("q");
}
/**
* Checks whether the widget set version has been sent to the server. It is
* sent in the first UIDL request.
*
* @return <code>true</code> if browser information has already been sent
*/
public boolean isWidgetsetVersionSent() {
return widgetsetVersionSent;
}
/**
* Registers that the widget set version has been sent to the server.
*/
public void setWidgetsetVersionSent() {
widgetsetVersionSent = true;
}
private static final Logger getLogger() {
return Logger.getLogger(ApplicationConfiguration.class.getName());
}
}