/*
* Copyright 2014, The Sporting Exchange Limited
*
* 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.betfair.cougar.netutil.nio.marshalling;
import java.util.HashMap;
import java.util.Map;
import com.betfair.cougar.core.api.exception.CougarValidationException;
import com.betfair.cougar.core.api.transcription.Parameter;
/**
* receives parameter names and parameter values from a client and matches them to the expected parameters
* of the server.
* <li>parameter supplied by the client that are not expected by the server are ignored</li>
* <li>optional parameters expected by the server but not supplied by the client will have a value of <b>null</b>
* <li>mandatory parameters expected by the server by not supplied by the client will generate an error
*
*/
public class ArgumentMatcher {
/**
*
* @param expectedArgs - arguments the server is expecting, as defined in the idd
* @param availableArgNames - names of arguments supplied by the client
* @param availableArgValues - values of arguments supplied by the client
* @throws CougarValidationException if a mandatory parameter is not supplied
* @return
*/
public static Object[] getArgumentValues(Parameter[] expectedArgs, String[] availableArgNames, Object[] availableArgValues) {
Map<String, Object> availableArgs = new HashMap<String, Object>(availableArgNames.length);
for (int i=0;i<availableArgNames.length;i++) {
availableArgs.put(availableArgNames[i], availableArgValues[i]);
}
Object[] expectedArgValues = new Object[expectedArgs.length];
for (int i=0;i<expectedArgs.length;i++) {
Object argValue = availableArgs.get(expectedArgs[i].getName());
expectedArgValues[i] = argValue;
}
return expectedArgValues;
}
}