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// Copyright 2009 Gert Scholten
//
// 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.gwtjsonrpc.client;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.user.client.rpc.AsyncCallback;
/** JsonCall implementation for JsonRPC version 2.0 over HTTP POST */
public class JsonCall20HttpPost<T> extends JsonCall20<T> {
public JsonCall20HttpPost(AbstractJsonProxy abstractJsonProxy,
String methodName, String requestParams,
ResultDeserializer<T> resultDeserializer, AsyncCallback<T> callback) {
super(abstractJsonProxy, methodName, requestParams, resultDeserializer,
callback);
}
@Override
void send() {
requestId = ++lastRequestId;
final StringBuilder body = new StringBuilder();
body.append("{\"jsonrpc\":\"2.0\",\"method\":\"");
body.append(methodName);
body.append("\",\"params\":[");
body.append(requestParams);
body.append("],\"id\":").append(requestId);
final String xsrfKey = proxy.getXsrfManager().getToken(proxy);
if (xsrfKey != null) {
body.append(",\"xsrfKey\":");
body.append(JsonSerializer.escapeString(xsrfKey));
}
body.append("}");
final RequestBuilder rb;
rb = new RequestBuilder(RequestBuilder.POST, proxy.url);
rb.setHeader("Content-Type", JsonUtil.JSONRPC20_REQ_CT);
rb.setHeader("Accept", JsonUtil.JSONRPC20_ACCEPT_CTS);
rb.setCallback(this);
rb.setRequestData(body.toString());
send(rb);
}
}
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