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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2017 Amdocs
* =============================================================================
* 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.
*
* ============LICENSE_END=========================================================
*/
package org.onap.appc.client.lcm.impl.business;
import org.onap.appc.client.impl.core.*;
import org.onap.appc.client.lcm.api.ApplicationContext;
import org.onap.appc.client.lcm.api.ResponseHandler;
import org.onap.appc.client.lcm.exceptions.AppcClientBusinessException;
import org.onap.appc.client.lcm.exceptions.AppcClientInternalException;
import org.onap.appc.client.lcm.model.CommonHeader;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Properties;
import java.util.concurrent.TimeoutException;
class LCMRequestProcessor {
private final IInvocationManager invocationManager;
private final ObjectMapper mapper;
LCMRequestProcessor(ApplicationContext context, Properties properties) throws AppcClientBusinessException {
try{
invocationManager = InvocationManagerFactory.getInstance();
invocationManager.init(properties);
mapper = new ObjectMapper();
mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
} catch (CoreException e) {
throw new AppcClientBusinessException(e);
}
}
<T> void processAsync(Object rpcInput, String rpcName, Class<T> rpcOutputType, ResponseHandler<T> handler) throws AppcClientInternalException {
try {
String correlationID = createCorrelationID(rpcInput);
String rpcStr = marshallRPCInput(rpcInput);
ICoreAsyncResponseHandler asyncResponseHandler = new CoreAsyncResponseHandlerImpl<T>(handler, rpcOutputType, mapper);
invocationManager.asyncRequest(rpcStr, asyncResponseHandler, correlationID, rpcName);
} catch (CoreException e) {
throw new AppcClientInternalException(e);
}
}
<T> T processSync(Object rpcInput, String rpcName, Class<T> rpcOutputType) throws AppcClientInternalException, AppcClientBusinessException {
T response = null;
try {
String correlationID = createCorrelationID(rpcInput);
String rpcStr = marshallRPCInput(rpcInput);
ICoreSyncResponseHandler syncResponseHandler = new CoreSyncResponseHandlerImpl<T>(rpcOutputType, mapper);
response = invocationManager.syncRequest(rpcStr, syncResponseHandler, correlationID, rpcName);
}catch (CoreException e){
if (e.getCause() instanceof AppcClientInternalException) {
throw (AppcClientInternalException) e.getCause();
}
else {
throw new AppcClientInternalException(e);
}
}catch (TimeoutException e){
throw new AppcClientBusinessException(e);
}
return response;
}
private CommonHeader getCommonHeader(Object rpcInput) throws AppcClientInternalException {
try {
Class<?> clazz = rpcInput.getClass();
Method method = clazz.getMethod("getCommonHeader");
return CommonHeader.class.cast(method.invoke(rpcInput));
} catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
throw new AppcClientInternalException("can't get commonHeader");
}
}
private String createCorrelationID(Object rpcInput) throws AppcClientInternalException {
CommonHeader commonHeader = getCommonHeader(rpcInput);
return commonHeader.getRequestId() + "-" + commonHeader.getSubRequestId();
}
private String marshallRPCInput(Object rpcInput) throws AppcClientInternalException {
try {
JsonNode body = mapper.valueToTree(rpcInput);
ObjectNode message = mapper.createObjectNode();
message.set("input", body);
return message.toString();
} catch (RuntimeException e) {
throw new AppcClientInternalException("can't marshall input", e);
}
}
void shutdown(boolean isForceShutdown){
invocationManager.shutdown(isForceShutdown);
}
}
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