Package com.vaadin.client.gwt.elemental.js.util

Class Xhr

java.lang.Object

com.vaadin.client.gwt.elemental.js.util.Xhr

public class Xhr
extends Object

A Simpler way to use XMLHttpRequest. Copied from the GWT project to make get/post return the XmlHttpRequest

Since:

1.0

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	Xhr.Callback	Notifies when an XHR successfully completes, or errors out.

Constructor Summary

Constructors

Constructor	Description
Xhr()

Method Summary

Modifier and Type	Method	Description
static com.google.gwt.xhr.client.XMLHttpRequest	get(elemental.html.Window window, String url, Xhr.Callback callback)	Send a GET request to the url and dispatch updates to the callback.
static com.google.gwt.xhr.client.XMLHttpRequest	get(String url, Xhr.Callback callback)	Send a GET request to the url and dispatch updates to the callback.
static com.google.gwt.xhr.client.XMLHttpRequest	head(elemental.html.Window window, String url, Xhr.Callback callback)	Send a HEAD request to the url and dispatch updates to the callback.
static com.google.gwt.xhr.client.XMLHttpRequest	head(String url, Xhr.Callback callback)	Send a HEAD request to the url and dispatch updates to the callback.
static com.google.gwt.xhr.client.XMLHttpRequest	post(elemental.html.Window window, String url, String requestData, String contentType, Xhr.Callback callback)	Send a POST request to the url and dispatch updates to the callback.
static com.google.gwt.xhr.client.XMLHttpRequest	post(String url, String requestData, String contentType, Xhr.Callback callback)	Send a POST request to the url and dispatch updates to the callback.

Methods inherited from class java.lang.Object

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

Constructor Detail

Xhr

public Xhr()

Method Detail

get

public static com.google.gwt.xhr.client.XMLHttpRequest get(String url,
                                                           Xhr.Callback callback)

Send a GET request to the url and dispatch updates to the callback.

Parameters:

url - the URL

callback - the callback to be notified

Returns:

a reference to the sent XmlHttpRequest

get

public static com.google.gwt.xhr.client.XMLHttpRequest get(elemental.html.Window window,
                                                           String url,
                                                           Xhr.Callback callback)

Send a GET request to the url and dispatch updates to the callback.

Parameters:

window - the window object used to access the XMLHttpRequest constructor

url - the URL

callback - the callback to be notified

Returns:

a reference to the sent XmlHttpRequest

head

public static com.google.gwt.xhr.client.XMLHttpRequest head(String url,
                                                            Xhr.Callback callback)

Send a HEAD request to the url and dispatch updates to the callback.

Parameters:

url - the URL

callback - the callback to be notified

Returns:

a reference to the sent XmlHttpRequest

head

public static com.google.gwt.xhr.client.XMLHttpRequest head(elemental.html.Window window,
                                                            String url,
                                                            Xhr.Callback callback)

Send a HEAD request to the url and dispatch updates to the callback.

Parameters:

window - the window object used to access the XMLHttpRequest constructor

url - the URL

callback - the callback to be notified

Returns:

a reference to the sent XmlHttpRequest

post

public static com.google.gwt.xhr.client.XMLHttpRequest post(String url,
                                                            String requestData,
                                                            String contentType,
                                                            Xhr.Callback callback)

Send a POST request to the url and dispatch updates to the callback.

Parameters:

url - the URL

requestData - the data to be passed to XMLHttpRequest.send

contentType - a value for the Content-Type HTTP header

callback - the callback to notify

Returns:

a reference to the sent XmlHttpRequest

post

public static com.google.gwt.xhr.client.XMLHttpRequest post(elemental.html.Window window,
                                                            String url,
                                                            String requestData,
                                                            String contentType,
                                                            Xhr.Callback callback)

Send a POST request to the url and dispatch updates to the callback.

Parameters:

window - the window object used to access the XMLHttpRequest constructor

url - the URL

requestData - the data to be passed to XMLHttpRequest.send

contentType - a value for the Content-Type HTTP header

callback - the callback to notify

Returns:

a reference to the sent XmlHttpRequest