/*
*
* 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;
/** The XRESTTransport uses GET for DELETE and POST for PUT, while passing an extended header called
* X-REST-Method with the actual intended method for the call. This is suitable for older browsers that
* only support GET and POST as methods.
*
* You can use this with the XRESTFilter to easily support this operation in your REST services.
* @see com.totsp.gwittir.rest.server.XRESTFilter
*
* @author <a href="mailto:kebernet@gmail.com">Robert Cooper</a>
*/
public class XRESTTransport extends HTTPTransport {
/** "X-REST-Method" */
public static final String X_REST_METHOD_HEADER = "X-REST-Method";
public RequestControl delete(String mimeType, String url, final AsyncCallback callback) {
RequestBuilder b = new RequestBuilder(RequestBuilder.GET, url);
b.setHeader(X_REST_METHOD_HEADER, "DELETE");
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);
b.setHeader(CONTENT_TYPE_HEADER, mimeType);
return super.doRequest(b, new GenericRequestCallback(HTTPTransport.POST_RESPONSE_CODES, false, callback));
}
public RequestControl post(String mimeType, String url, String payload, final AsyncCallback 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.PUT_RESPONSE_CODES, false, callback));
}
public RequestControl put(String mimeType, String url, String payload, final AsyncCallback<String> callback) {
RequestBuilder b = new RequestBuilder(RequestBuilder.POST, url);
b.setHeader(X_REST_METHOD_HEADER, "PUT");
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));
}
}