/*
* Copyright 2013, 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.core.impl.ev;
import com.betfair.cougar.api.ExecutionContext;
import com.betfair.cougar.api.Validatable;
import com.betfair.cougar.core.api.ev.ExecutionPreProcessor;
import com.betfair.cougar.core.api.ev.ExecutionRequirement;
import com.betfair.cougar.core.api.ev.ExecutionVenue;
import com.betfair.cougar.core.api.ev.InterceptorResult;
import com.betfair.cougar.core.api.ev.InterceptorState;
import com.betfair.cougar.core.api.ev.OperationDefinition;
import com.betfair.cougar.core.api.ev.OperationKey;
import com.betfair.cougar.core.api.exception.CougarValidationException;
import com.betfair.cougar.core.api.exception.ServerFaultCode;
import com.betfair.cougar.core.api.transcription.Parameter;
import com.betfair.cougar.util.ValidationUtils;
public class MandatoryCheckInterceptor implements ExecutionPreProcessor {
private ExecutionVenue bev;
private static final InterceptorResult SUCCESS = new InterceptorResult(InterceptorState.CONTINUE, null);
private static final String NAME = "Mandatory Parameter Check Interceptor";
public MandatoryCheckInterceptor(ExecutionVenue bev) {
this.bev = bev;
}
@Override
public InterceptorResult invoke(ExecutionContext ctx, OperationKey key, Object[] args) {
OperationDefinition operationDefinition = bev.getOperationDefinition(key);
Parameter[] parms = operationDefinition.getParameters();
for (int i = 0 ; i < args.length; i++) {
if (args[i] == null) {
if (parms[i].isMandatory()) {
return new InterceptorResult(InterceptorState.FORCE_ON_EXCEPTION,
new CougarValidationException(ServerFaultCode.MandatoryNotDefined,
"Mandatory attributes not defined for parameter '"+parms[i].getName() + "'"));
}
} else {
try {
ValidationUtils.validateMandatory(args[i]);
} catch (IllegalArgumentException e) {
return new InterceptorResult(InterceptorState.FORCE_ON_EXCEPTION,
new CougarValidationException(ServerFaultCode.MandatoryNotDefined,
"Embedded fields not defined for parameter '"+parms[i].getName() + "'", e));
}
}
}
return SUCCESS;
}
public String getName() {
return NAME;
}
@Override
public ExecutionRequirement getExecutionRequirement() {
return ExecutionRequirement.EXACTLY_ONCE;
}
}