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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.tuscany.sca.binding.jsonrpc.protocol;
import java.io.OutputStream;
import org.apache.tuscany.sca.databinding.json.jackson.JacksonHelper;
import org.codehaus.jackson.JsonNode;
import org.codehaus.jackson.node.ArrayNode;
import org.codehaus.jackson.node.JsonNodeFactory;
import org.codehaus.jackson.node.ObjectNode;
/**
* http://json-rpc.org/wiki/specification
* A remote method is invoked by sending a request to a remote service. The request is a single object serialized using JSON.
* <br>It has three properties:
* <ul>
* <li>method - A String containing the name of the method to be invoked.
* <li>params - An Array of objects to pass as arguments to the method.
* <li>id - The request id. This can be of any type. It is used to match the response with the request that it is replying to.
* </ul>
*/
public class JsonRpc10Request extends JsonRpcRequest {
public JsonRpc10Request(String id, String method, Object[] params) {
super(JsonNodeFactory.instance.textNode(id), method, params);
}
public JsonRpc10Request(ObjectNode req) {
super(req);
method = req.get("method").getTextValue();
id = req.get("id");
JsonNode args = req.get("params");
if (args instanceof ArrayNode) {
// Positional parameters
ArrayNode array = (ArrayNode)args;
params = new Object[array.size()];
for (int i = 0; i < params.length; i++) {
params[i] = array.get(i);
}
} else if (args == null) {
params = new Object[0];
} else {
throw new IllegalArgumentException("Invalid request: params is not a JSON array - " + args);
}
}
public void write(OutputStream os) throws Exception {
JacksonHelper.MAPPER.writeValue(os, getJsonNode());
}
}
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