/*
*
* 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 transport that makes XREST calls with an addition X-Proxy-Location filter that can be used to forward
* non-same orgin request though the host server to another server.
*
* @see com.totsp.gwittir.rest.server.RESTProxyServlet
* @author <a href="mailto:kebernet@gmail.com">Robert Cooper</a>
*/
public class ProxyTransport extends XRESTTransport {
public static final String X_PROXY_LOCATION_HEADER = "X-Proxy-Location";
private String originProxyPath;
/**
* Set the value of originProxyPath
*
* @param neworiginProxyPath new value of originProxyPath
*/
public void setOriginProxyPath(String neworiginProxyPath) {
this.originProxyPath = neworiginProxyPath;
}
@Override
public RequestControl get(String mimeType, String url,
final AsyncCallback<String> callback) {
RequestBuilder b = new RequestBuilder(RequestBuilder.GET,
this.originProxyPath);
b.setHeader(ACCEPT_HEADER, mimeType);
b.setHeader(CONTENT_TYPE_HEADER, mimeType);
b.setHeader(X_PROXY_LOCATION_HEADER, url);
return super.doRequest(b, new GenericRequestCallback(HTTPTransport.DELETE_RESPONSE_CODES, false, callback));
}
@Override
public RequestControl delete(String mimeType, String url,
final AsyncCallback callback) {
RequestBuilder b = new RequestBuilder(RequestBuilder.GET,
this.originProxyPath);
b.setHeader(X_REST_METHOD_HEADER, "DELETE");
b.setHeader(X_PROXY_LOCATION_HEADER, url);
b.setHeader(ACCEPT_HEADER, mimeType);
b.setHeader(CONTENT_TYPE_HEADER, mimeType);
return super.doRequest(b, new GenericRequestCallback(HTTPTransport.GET_RESPONSE_CODES, true, callback));
}
@Override
public RequestControl post(String mimeType, String url, String payload,
final AsyncCallback callback) {
RequestBuilder b = new RequestBuilder(RequestBuilder.POST,
this.originProxyPath);
b.setHeader(ACCEPT_HEADER, mimeType);
b.setHeader(X_PROXY_LOCATION_HEADER, url);
b.setHeader(CONTENT_TYPE_HEADER, mimeType);
b.setRequestData(payload);
return super.doRequest(b, new GenericRequestCallback(HTTPTransport.POST_RESPONSE_CODES, false, callback));
}
@Override
public RequestControl put(String mimeType, String url, String payload,
final AsyncCallback<String> callback) {
RequestBuilder b = new RequestBuilder(RequestBuilder.POST,
this.originProxyPath);
b.setHeader(X_PROXY_LOCATION_HEADER, url);
b.setHeader(X_REST_METHOD_HEADER, "PUT");
b.setHeader(ACCEPT_HEADER, mimeType);
b.setRequestData(payload);
return super.doRequest(b, new GenericRequestCallback(HTTPTransport.PUT_RESPONSE_CODES, false, callback));
}
}