com.vaadin.client

Class DependencyLoader

java.lang.Object

com.vaadin.client.DependencyLoader

public class DependencyLoader
extends Object

Handles loading of dependencies (style sheets and scripts) in the application. Use ApplicationConfiguration.runWhenDependenciesLoaded(Command) to execute a command after all dependencies have finished loading.

Since:

8.0

Author:

Vaadin Ltd

Constructor Summary

Constructors

Constructor and Description
DependencyLoader()

Method Summary

Modifier and Type	Method and Description
void	loadDependencies(ValueMap json) Loads the any dependencies present in the given json snippet.
void	setConnection(ApplicationConnection connection) Sets the ApplicationConnection this instance is connected to.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DependencyLoader

public DependencyLoader()

Method Detail

setConnection

public void setConnection(ApplicationConnection connection)

Sets the ApplicationConnection this instance is connected to. Only used internally.

Parameters:

connection - The ApplicationConnection for this instance

loadDependencies

public void loadDependencies(ValueMap json)

Loads the any dependencies present in the given json snippet. Handles all dependencies found with the key "dependencies". Ensures that

• JavaScript dependencies are loaded in the given order.
• HTML imports are loaded after all JavaScripts are loaded and executed.
• Style sheets are loaded and evaluated in some undefined order

Parameters:

json - the JSON containing the dependencies to load