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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 java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
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;
import org.apache.wink.json4j.JSONException;
public class JsonRpc20Request extends JsonRpcRequest {
protected ObjectNode mappedParams;
public JsonRpc20Request(String id, String method, Object[] params) {
super(JsonNodeFactory.instance.textNode(id), method, params);
this.jsonNode.put("jsonrpc", "2.0");
this.mappedParams = null;
}
public JsonRpc20Request(String id, String method, ObjectNode mappedParams) {
super(JsonNodeFactory.instance.textNode(id), method, null);
this.jsonNode.put("jsonrpc", "2.0");
this.mappedParams = mappedParams;
this.jsonNode.put("params", mappedParams);
}
public JsonRpc20Request(ObjectNode req) throws JSONException {
super(req);
JsonNode node = req.get("jsonrpc");
boolean v20 = node != null && "2.0".equals(node.getTextValue());
if (!v20) {
throw new IllegalArgumentException("Invalid request: jsonrpc attribute must be \"2.0\"");
}
method = req.get("method").getTextValue();
JsonNode idNode = req.get("id");
if (idNode != null) {
id = idNode;
}
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 instanceof ObjectNode) {
ObjectNode map = (ObjectNode)args;
mappedParams = map;
params = null;
} 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 {
// Construct a map to hold JSON-RPC request
final Map<String, Object> jsonRequest = new HashMap<String, Object>();
jsonRequest.put("jsonrpc", "2.0");
jsonRequest.put("id", id);
jsonRequest.put("method", method);
if (mappedParams != null) {
jsonRequest.put("params", mappedParams);
}
else {
List<Object> parameters = null;
if (params != null) {
parameters = Arrays.asList(params);
} else {
parameters = Collections.emptyList();
}
jsonRequest.put("params", parameters);
}
JacksonHelper.MAPPER.writeValue(os, jsonRequest);
}
public ObjectNode getMappedParams() {
return mappedParams;
}
}
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