1 files changed, 122 insertions, 0 deletions
diff --git a/src/main/java/org/onap/aai/rest/util/EchoResponse.java b/src/main/java/org/onap/aai/rest/util/EchoResponse.java
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+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.aai.rest.util;
+
+import org.onap.aai.exceptions.AAIException;
+import org.onap.aai.logging.ErrorLogHelper;
+import org.onap.aai.restcore.RESTAPI;
+import org.springframework.stereotype.Component;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
+import java.util.ArrayList;
+import java.util.HashMap;
+
+/**
+ * The Class EchoResponse.
+ */
+@Component
+@Path("/util")
+public class EchoResponse extends RESTAPI {
+	
+	protected static String authPolicyFunctionName = "util";
+		
+	public static final String echoPath = "/util/echo";
+
+	/**
+	 * Simple health-check API that echos back the X-FromAppId and X-TransactionId to clients.
+	 * If there is a query string, a transaction gets logged into hbase, proving the application is connected to the data store.
+	 * If there is no query string, no transacction logging is done to hbase.
+	 *
+	 * @param headers the headers
+	 * @param req the req
+	 * @param myAction if exists will cause transaction to be logged to hbase
+	 * @return the response
+	 */
+	@GET
+	@Produces( { MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
+	@Path("/echo")
+	public Response echoResult(@Context HttpHeaders headers, @Context HttpServletRequest req,
+			@QueryParam("action") String myAction) {
+		Response response = null;
+		
+		AAIException ex = null;
+		String fromAppId = null;
+		String transId = null;
+		
+		try { 
+			fromAppId = getFromAppId(headers );
+			transId = getTransId(headers);
+		} catch (AAIException e) { 
+			ArrayList<String> templateVars = new ArrayList<String>();
+			templateVars.add("PUT uebProvider");
+			templateVars.add("addTopic");
+			return Response
+					.status(e.getErrorObject().getHTTPResponseCode())
+					.entity(ErrorLogHelper.getRESTAPIErrorResponse(headers.getAcceptableMediaTypes(), e, templateVars))
+					.build();
+		}
+		
+		try {
+			
+			HashMap<AAIException, ArrayList<String>> exceptionList = new HashMap<AAIException, ArrayList<String>>();
+					
+			ArrayList<String> templateVars = new ArrayList<String>();
+			templateVars.add(fromAppId);
+			templateVars.add(transId);
+		
+			exceptionList.put(new AAIException("AAI_0002", "OK"), templateVars);
+				
+			response = Response.status(Status.OK)
+					.entity(ErrorLogHelper.getRESTAPIInfoResponse(
+							headers.getAcceptableMediaTypes(), exceptionList))
+							.build();
+			
+		} catch (Exception e) {
+			ex = new AAIException("AAI_4000", e);
+			ArrayList<String> templateVars = new ArrayList<String>();
+			templateVars.add(Action.GET.name());
+			templateVars.add(fromAppId +" "+transId);
+
+			response = Response
+					.status(Status.INTERNAL_SERVER_ERROR)
+					.entity(ErrorLogHelper.getRESTAPIErrorResponse(
+							headers.getAcceptableMediaTypes(), ex,
+							templateVars)).build();
+
+		} finally {
+			if (ex != null) {
+				ErrorLogHelper.logException(ex);
+			}
+
+		}
+		
+		return response;
+	}
+
+}