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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.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
public class JsonRpc20Request {
private final String method;
private final Object id;
private final Object[] params;
private final Map<String, Object> mappedParams;
public JsonRpc20Request(Object id, String method, Object[] params) {
super();
this.id = id;
this.method = method;
this.params = params;
this.mappedParams = null;
}
public JsonRpc20Request(Object id, String method, Map<String, Object> mappedParams) {
super();
this.id = id;
this.method = method;
this.params = null;
this.mappedParams = mappedParams;
}
public JSONObject toJSONObject() throws JSONException {
JSONObject req = new JSONObject();
req.put("jsonrpc", "2.0");
req.put("id", id);
req.put("method", method);
if (params != null) {
JSONArray args = new JSONArray(Arrays.asList(params));
req.put("params", args);
} else {
JSONObject args = new JSONObject(mappedParams);
req.put("params", args);
}
return req;
}
public JsonRpc20Request(JSONObject req) throws JSONException {
super();
if (req.has("jsonrpc") && "2.0".equals(req.getString("jsonrpc"))) {
method = req.getString("method");
id = req.opt("id");
Object args = req.opt("params");
if (args instanceof JSONArray) {
// Positional parameters
JSONArray array = (JSONArray)args;
params = new Object[array.length()];
mappedParams = null;
for (int i = 0; i < params.length; i++) {
params[i] = array.get(i);
}
} else if (args instanceof JSONObject) {
JSONObject map = (JSONObject)args;
mappedParams = new HashMap<String, Object>();
params = null;
Iterator<String> keys = map.keys();
while (keys.hasNext()) {
String key = keys.next();
Object value = map.get(key);
mappedParams.put(key, value);
}
} else if (args == null) {
params = new Object[0];
mappedParams = null;
} else {
throw new IllegalArgumentException("Invalid request: params is not a JSON array or object - " + args);
}
} else {
throw new IllegalArgumentException("Invalid request: missing jsonrpc attribute");
}
}
public boolean isNotification() {
return id == null || id == JSONObject.NULL;
}
public String getMethod() {
return method;
}
public Object getId() {
return id;
}
public Object[] getParams() {
return params;
}
public Map<String, Object> getMappedParams() {
return mappedParams;
}
}
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