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/*
@VaadinApache2LicenseForJavaFiles@
*/
package com.vaadin.terminal.gwt.client;
import java.util.HashMap;
import com.vaadin.terminal.gwt.widgetsetutils.WidgetMapGenerator;
/**
* Abstract class mapping between {@link ComponentConnector} instances and their
* instances.
*
* A concrete implementation of this class is generated by
* {@link WidgetMapGenerator} or one of its subclasses during widgetset
* compilation.
*/
abstract class WidgetMap {
protected static HashMap<Class<? extends ServerConnector>, WidgetInstantiator> instmap = new HashMap<Class<? extends ServerConnector>, WidgetInstantiator>();
/**
* Create a new instance of a connector based on its type.
*
* @param classType
* {@link ComponentConnector} class to instantiate
* @return new instance of the connector
*/
public ServerConnector instantiate(
Class<? extends ServerConnector> classType) {
return instmap.get(classType).get();
}
/**
* Return the connector class to use for a fully qualified server side
* component class name.
*
* @param fullyqualifiedName
* fully qualified name of the server side component class
* @return component connector class to use
*/
public abstract Class<? extends ServerConnector> getConnectorClassForServerSideClassName(
String fullyqualifiedName);
/**
* Return the connector classes to load after the initial widgetset load and
* start.
*
* @return component connector class to load after the initial widgetset
* loading
*/
public abstract Class<? extends ServerConnector>[] getDeferredLoadedConnectors();
/**
* Make sure the code for a (deferred or lazy) component connector type has
* been loaded, triggering the load and waiting for its completion if
* necessary.
*
* @param classType
* component connector class
*/
public abstract void ensureInstantiator(
Class<? extends ServerConnector> classType);
}
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