Java tutorial
/* * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ package com.totsp.gwittir.rest.client.transports; import com.google.gwt.http.client.RequestBuilder; import com.google.gwt.user.client.rpc.AsyncCallback; import com.totsp.gwittir.rest.client.Transport.RequestControl; /** A Standard Transport based on the XmlHttpRequest object provided through the GWT HTTP APIs. * * @author <a href="mailto:kebernet@gmail.com">Robert Cooper</a> */ public class XHRTransport extends HTTPTransport { public RequestControl delete(String mimeType, String url, final AsyncCallback callback) { RequestBuilder b = new FullRequestBuilder("DELETE", url); b.setHeader(ACCEPT_HEADER, mimeType); b.setHeader(CONTENT_TYPE_HEADER, mimeType); return super.doRequest(b, new GenericRequestCallback(HTTPTransport.DELETE_RESPONSE_CODES, false, callback)); } public RequestControl get(String mimeType, String url, final AsyncCallback<String> callback) { RequestBuilder b = new RequestBuilder(RequestBuilder.GET, url); b.setHeader(ACCEPT_HEADER, mimeType); return super.doRequest(b, new GenericRequestCallback(HTTPTransport.GET_RESPONSE_CODES, true, callback)); } public RequestControl post(String mimeType, String url, String payload, final AsyncCallback<String> callback) { RequestBuilder b = new RequestBuilder(RequestBuilder.POST, url); b.setHeader(ACCEPT_HEADER, mimeType); b.setHeader(CONTENT_TYPE_HEADER, mimeType); b.setRequestData(payload); return super.doRequest(b, new GenericRequestCallback(HTTPTransport.POST_RESPONSE_CODES, false, callback)); } public RequestControl put(String mimeType, String url, String payload, final AsyncCallback<String> callback) { RequestBuilder b = new FullRequestBuilder("PUT", url); b.setHeader(ACCEPT_HEADER, mimeType); b.setHeader(CONTENT_TYPE_HEADER, mimeType); b.setRequestData(payload); return super.doRequest(b, new GenericRequestCallback(HTTPTransport.PUT_RESPONSE_CODES, false, callback)); } private static class FullRequestBuilder extends RequestBuilder { public FullRequestBuilder(String method, String url) { super(method, url); } } }