--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 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.
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============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);
+ }
+}