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package com.vaadin.terminal.gwt.client;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JavaScriptObject;
public class ApplicationConfiguration {
// can only be inited once, to avoid multiple-entrypoint-problem
private static WidgetSet initedWidgetSet;
private String id;
private String themeUri;
private String pathInfo;
private String appUri;
private JavaScriptObject versionInfo;
private String windowName;
private String communicationErrorCaption;
private String communicationErrorMessage;
private String communicationErrorUrl;
private boolean useDebugIdInDom = true;
private static ArrayList<ApplicationConnection> unstartedApplications = new ArrayList<ApplicationConnection>();
private static ArrayList<ApplicationConnection> runningApplications = new ArrayList<ApplicationConnection>();
public String getRootPanelId() {
return id;
}
public String getApplicationUri() {
return appUri;
}
public String getPathInfo() {
return pathInfo;
}
public String getThemeUri() {
return themeUri;
}
public void setAppId(String appId) {
id = appId;
}
public void setInitialWindowName(String name) {
windowName = name;
}
public String getInitialWindowName() {
return windowName;
}
public JavaScriptObject getVersionInfoJSObject() {
return versionInfo;
}
public String getCommunicationErrorCaption() {
return communicationErrorCaption;
}
public String getCommunicationErrorMessage() {
return communicationErrorMessage;
}
public String getCommunicationErrorUrl() {
return communicationErrorUrl;
}
private native void loadFromDOM()
/*-{
var id = this.@com.vaadin.terminal.gwt.client.ApplicationConfiguration::id;
if($wnd.vaadin.toolkitConfigurations && $wnd.vaadin.toolkitConfigurations[id]) {
var jsobj = $wnd.vaadin.toolkitConfigurations[id];
var uri = jsobj.appUri;
if(uri[uri.length -1] != "/") {
uri = uri + "/";
}
this.@com.vaadin.terminal.gwt.client.ApplicationConfiguration::appUri = uri;
this.@com.vaadin.terminal.gwt.client.ApplicationConfiguration::pathInfo = jsobj.pathInfo;
this.@com.vaadin.terminal.gwt.client.ApplicationConfiguration::themeUri = jsobj.themeUri;
if(jsobj.windowName) {
this.@com.vaadin.terminal.gwt.client.ApplicationConfiguration::windowName = jsobj.windowName;
}
if('useDebugIdInDom' in jsobj && typeof(jsobj.useDebugIdInDom) == "boolean") {
this.@com.vaadin.terminal.gwt.client.ApplicationConfiguration::useDebugIdInDom = jsobj.useDebugIdInDom;
}
if(jsobj.versionInfo) {
this.@com.vaadin.terminal.gwt.client.ApplicationConfiguration::versionInfo = jsobj.versionInfo;
}
if(jsobj.comErrMsg) {
this.@com.vaadin.terminal.gwt.client.ApplicationConfiguration::communicationErrorCaption = jsobj.comErrMsg.caption;
this.@com.vaadin.terminal.gwt.client.ApplicationConfiguration::communicationErrorMessage = jsobj.comErrMsg.message;
this.@com.vaadin.terminal.gwt.client.ApplicationConfiguration::communicationErrorUrl = jsobj.comErrMsg.url;
}
} else {
$wnd.alert("Toolkit app failed to initialize: " + this.id);
}
}-*/;
/**
* Inits the ApplicationConfiguration by reading the DOM and instantiating
* ApplicationConenctions accordingly. Call {@link #startNextApplication()}
* to actually start the applications.
*
* @param widgetset
* the widgetset that is running the apps
*/
public static void initConfigurations(WidgetSet widgetset) {
String wsname = widgetset.getClass().getName();
String module = GWT.getModuleName();
int lastdot = module.lastIndexOf(".");
String base = module.substring(0, lastdot);
String simpleName = module.substring(lastdot + 1);
if (!wsname.startsWith(base) || !wsname.endsWith(simpleName)) {
// WidgetSet module name does not match implementation name;
// probably inherited WidgetSet with entry-point. Skip.
GWT.log("Ignored init for " + wsname + " when starting " + module,
null);
return;
}
if (initedWidgetSet != null) {
// Something went wrong: multiple widgetsets inited
String msg = "Tried to init " + widgetset.getClass().getName()
+ ", but " + initedWidgetSet.getClass().getName()
+ " is already inited.";
System.err.println(msg);
throw new IllegalStateException(msg);
}
initedWidgetSet = widgetset;
ArrayList<String> appIds = new ArrayList<String>();
loadAppIdListFromDOM(appIds);
for (Iterator<String> it = appIds.iterator(); it.hasNext();) {
String appId = it.next();
ApplicationConfiguration appConf = getConfigFromDOM(appId);
ApplicationConnection a = new ApplicationConnection(widgetset,
appConf);
unstartedApplications.add(a);
}
}
/**
* Starts the next unstarted application. The WidgetSet should call this
* once to start the first application; after that, each application should
* call this once it has started. This ensures that the applications are
* started synchronously, which is neccessary to avoid session-id problems.
*
* @return true if an unstarted application was found
*/
public static boolean startNextApplication() {
if (unstartedApplications.size() > 0) {
ApplicationConnection a = unstartedApplications.remove(0);
a.start();
runningApplications.add(a);
return true;
} else {
return false;
}
}
public static List<ApplicationConnection> getRunningApplications() {
return runningApplications;
}
private native static void loadAppIdListFromDOM(ArrayList<String> list)
/*-{
var j;
for(j in $wnd.vaadin.toolkitConfigurations) {
list.@java.util.Collection::add(Ljava/lang/Object;)(j);
}
}-*/;
public static ApplicationConfiguration getConfigFromDOM(String appId) {
ApplicationConfiguration conf = new ApplicationConfiguration();
conf.setAppId(appId);
conf.loadFromDOM();
return conf;
}
public native String getServletVersion()
/*-{
return this.@com.vaadin.terminal.gwt.client.ApplicationConfiguration::versionInfo.vaadinVersion;
}-*/;
public native String getApplicationVersion()
/*-{
return this.@com.vaadin.terminal.gwt.client.ApplicationConfiguration::versionInfo.applicationVersion;
}-*/;
public boolean useDebugIdInDOM() {
return useDebugIdInDom;
}
}
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