org.rapla.rest.gwtjsonrpc.client.impl.JsonCall20HttpPost.java Source code

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Here is the source code for org.rapla.rest.gwtjsonrpc.client.impl.JsonCall20HttpPost.java

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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 org.rapla.rest.gwtjsonrpc.client.impl;

import org.rapla.rest.gwtjsonrpc.common.JsonConstants;

import com.google.gwt.http.client.RequestBuilder;

/** JsonCall implementation for JsonRPC version 2.0 over HTTP POST */
public class JsonCall20HttpPost<T> extends JsonCall<T> {
    public JsonCall20HttpPost(AbstractJsonProxy abstractJsonProxy, String methodName, String requestParams,
            ResultDeserializer<T> resultDeserializer) {
        super(abstractJsonProxy, methodName, requestParams, resultDeserializer);
    }

    @Override
    protected 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);
        body.append("}");

        final RequestBuilder rb;
        rb = new RequestBuilder(RequestBuilder.POST, proxy.getServiceEntryPoint());
        rb.setHeader("Content-Type", JsonConstants.JSONRPC20_REQ_CT);
        rb.setHeader("Accept", JsonConstants.JSONRPC20_ACCEPT_CTS);
        rb.setCallback(this);
        rb.setRequestData(body.toString());

        send(rb);
    }
}