com.google.gwt.user.client.HTTPRequest.java Source code

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Here is the source code for com.google.gwt.user.client.HTTPRequest.java

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/*
 * Copyright 2006 Google Inc.
 * 
 * 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.google.gwt.user.client;

import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.impl.HTTPRequestImpl;

/**
 * This class allows you to make asynchronous HTTP requests to the originating
 * server.
 */
public class HTTPRequest {

    private static final HTTPRequestImpl httpRequest = (HTTPRequestImpl) GWT.create(HTTPRequestImpl.class);

    /**
     * Makes an asynchronous HTTP POST to a remote server.
     * 
     * @param url the absolute url to which the POST data is delivered
     * @param postData the data to post
     * @param handler the response handler to be notified when either the request
     *          fails, or is completed successfully
     * @return <code>false</code> if the invocation fails to issue
     */
    public static boolean asyncPost(String url, String postData, ResponseTextHandler handler) {
        return httpRequest.asyncPost(url, postData, handler);
    }

    /**
     * Makes an asynchronous HTTP POST to a remote server.
     * 
     * @param url the absolute url to which the POST data is delivered
     * @param postData the data to post
     * @param handler the response handler to be notified when either the request
     *          fails, or is completed successfully
     * @return <code>false</code> if the invocation fails to issue
     */
    public static boolean asyncPost(String user, String pwd, String url, String postData,
            ResponseTextHandler handler) {
        return httpRequest.asyncPost(user, pwd, url, postData, handler);
    };

    /**
     * Makes an asynchronous HTTP GET to a remote server.
     * 
     * @param url the absolute url to GET
     * @param handler the response handler to be notified when either the request
     *          fails, or is completed successfully
     * @return <code>false</code> if the invocation fails to issue
     */
    public static boolean asyncGet(String url, ResponseTextHandler handler) {
        return httpRequest.asyncGet(url, handler);
    }

    /**
     * Makes an asynchronous HTTP GET to a remote server.
     * 
     * @param url the absolute url to GET
     * @param handler the response handler to be notified when either the request
     *          fails, or is completed successfully
     * @return <code>false</code> if the invocation fails to issue
     */
    public static boolean asyncGet(String user, String pwd, String url, ResponseTextHandler handler) {
        return httpRequest.asyncGet(user, pwd, url, handler);
    };
}