Remove major and minor code smells in dr-prov
[dmaap/datarouter.git] / datarouter-prov / src / main / java / org / onap / dmaap / datarouter / provisioning / DRFeedsServlet.java
index 9bc9162..960d509 100644 (file)
@@ -52,7 +52,7 @@ import static org.onap.dmaap.datarouter.provisioning.utils.HttpServletUtils.send
 public class DRFeedsServlet extends ProxyServlet {
 
     //Adding EELF Logger Rally:US664892
-    private static EELFLogger eelflogger = EELFManager.getInstance()
+    private static EELFLogger eelfLogger = EELFManager.getInstance()
             .getLogger(DRFeedsServlet.class);
 
     /**
@@ -61,17 +61,17 @@ public class DRFeedsServlet extends ProxyServlet {
     @Override
     public void doDelete(HttpServletRequest req, HttpServletResponse resp) {
         setIpFqdnRequestIDandInvocationIDForEelf("doDelete", req);
-        eelflogger.info(EelfMsgs.ENTRY);
+        eelfLogger.info(EelfMsgs.ENTRY);
         try {
-            eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(BEHALF_HEADER), getIdFromPath(req) + "");
+            eelfLogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(BEHALF_HEADER), getIdFromPath(req) + "");
             String message = "DELETE not allowed for the drFeedsURL.";
             EventLogRecord elr = new EventLogRecord(req);
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
-            eventlogger.info(elr);
+            eventlogger.error(elr.toString());
             sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
         } finally {
-            eelflogger.info(EelfMsgs.EXIT);
+            eelfLogger.info(EelfMsgs.EXIT);
         }
     }
 
@@ -82,15 +82,15 @@ public class DRFeedsServlet extends ProxyServlet {
     @Override
     public void doGet(HttpServletRequest req, HttpServletResponse resp) {
         setIpFqdnRequestIDandInvocationIDForEelf("doGet", req);
-        eelflogger.info(EelfMsgs.ENTRY);
+        eelfLogger.info(EelfMsgs.ENTRY);
         try {
-            eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(BEHALF_HEADER), getIdFromPath(req) + "");
+            eelfLogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(BEHALF_HEADER), getIdFromPath(req) + "");
             EventLogRecord elr = new EventLogRecord(req);
             String message = isAuthorizedForProvisioning(req);
             if (message != null) {
                 elr.setMessage(message);
                 elr.setResult(HttpServletResponse.SC_FORBIDDEN);
-                eventlogger.info(elr);
+                eventlogger.error(elr.toString());
                 sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
                 return;
             }
@@ -103,27 +103,27 @@ public class DRFeedsServlet extends ProxyServlet {
                 message = "Missing " + BEHALF_HEADER + " header.";
                 elr.setMessage(message);
                 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
-                eventlogger.info(elr);
+                eventlogger.error(elr.toString());
                 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
                 return;
             }
             // Note: I think this should be getPathInfo(), but that doesn't work (Jetty bug?)
             String path = req.getRequestURI();
-            if (path != null && !path.equals("/")) {
-                message = "Bad URL.";
+            if (path != null && !"/".equals(path)) {
+                message = BAD_URL;
                 elr.setMessage(message);
                 elr.setResult(HttpServletResponse.SC_NOT_FOUND);
-                eventlogger.info(elr);
+                eventlogger.error(elr.toString());
                 sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, message, eventlogger);
                 return;
             }
             // Check with the Authorizer
             AuthorizationResponse aresp = authz.decide(req);
             if (!aresp.isAuthorized()) {
-                message = "Policy Engine disallows access.";
+                message = POLICY_ENGINE;
                 elr.setMessage(message);
                 elr.setResult(HttpServletResponse.SC_FORBIDDEN);
-                eventlogger.info(elr);
+                eventlogger.error(elr.toString());
                 sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
                 return;
             }
@@ -139,18 +139,18 @@ public class DRFeedsServlet extends ProxyServlet {
                     message = "This feed does not exist in the database.";
                     elr.setMessage(message);
                     elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
-                    eventlogger.info(elr);
+                    eventlogger.error(elr.toString());
                     sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
                 } else {
                     // send response
                     elr.setResult(HttpServletResponse.SC_OK);
-                    eventlogger.info(elr);
+                    eventlogger.info(elr.toString());
                     resp.setStatus(HttpServletResponse.SC_OK);
                     resp.setContentType(FEEDFULL_CONTENT_TYPE);
                     try {
                         resp.getOutputStream().print(feed.asJSONObject(true).toString());
                     } catch (IOException ioe) {
-                        eventlogger.error("IOException" + ioe.getMessage());
+                        eventlogger.error("PROV0111 DRFeedServlet.doGet " + ioe.getMessage(), ioe);
                     }
                 }
             } else {
@@ -168,17 +168,17 @@ public class DRFeedsServlet extends ProxyServlet {
                 String t = JSONUtilities.createJSONArray(list);
                 // send response
                 elr.setResult(HttpServletResponse.SC_OK);
-                eventlogger.info(elr);
+                eventlogger.info(elr.toString());
                 resp.setStatus(HttpServletResponse.SC_OK);
                 resp.setContentType(FEEDLIST_CONTENT_TYPE);
                 try {
                     resp.getOutputStream().print(t);
                 } catch (IOException ioe) {
-                    eventlogger.error("IOException" + ioe.getMessage());
+                    eventlogger.error("PROV0112 DRFeedServlet.doGet " + ioe.getMessage(), ioe);
                 }
             }
         } finally {
-            eelflogger.info(EelfMsgs.EXIT);
+            eelfLogger.info(EelfMsgs.EXIT);
         }
     }
 
@@ -188,17 +188,17 @@ public class DRFeedsServlet extends ProxyServlet {
     @Override
     public void doPut(HttpServletRequest req, HttpServletResponse resp) {
         setIpFqdnRequestIDandInvocationIDForEelf("doPut", req);
-        eelflogger.info(EelfMsgs.ENTRY);
+        eelfLogger.info(EelfMsgs.ENTRY);
         try {
-            eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(BEHALF_HEADER), getIdFromPath(req) + "");
+            eelfLogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(BEHALF_HEADER), getIdFromPath(req) + "");
             String message = "PUT not allowed for the drFeedsURL.";
             EventLogRecord elr = new EventLogRecord(req);
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
-            eventlogger.info(elr);
+            eventlogger.error(elr.toString());
             sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
         } finally {
-            eelflogger.info(EelfMsgs.EXIT);
+            eelfLogger.info(EelfMsgs.EXIT);
         }
     }
 
@@ -209,15 +209,15 @@ public class DRFeedsServlet extends ProxyServlet {
     @Override
     public void doPost(HttpServletRequest req, HttpServletResponse resp) {
         setIpFqdnRequestIDandInvocationIDForEelf("doPost", req);
-        eelflogger.info(EelfMsgs.ENTRY);
+        eelfLogger.info(EelfMsgs.ENTRY);
         try {
-            eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF, req.getHeader(BEHALF_HEADER));
+            eelfLogger.info(EelfMsgs.MESSAGE_WITH_BEHALF, req.getHeader(BEHALF_HEADER));
             EventLogRecord elr = new EventLogRecord(req);
             String message = isAuthorizedForProvisioning(req);
             if (message != null) {
                 elr.setMessage(message);
                 elr.setResult(HttpServletResponse.SC_FORBIDDEN);
-                eventlogger.info(elr);
+                eventlogger.error(elr.toString());
                 sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
                 return;
             }
@@ -230,37 +230,37 @@ public class DRFeedsServlet extends ProxyServlet {
                 message = "Missing " + BEHALF_HEADER + " header.";
                 elr.setMessage(message);
                 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
-                eventlogger.info(elr);
+                eventlogger.error(elr.toString());
                 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
                 return;
             }
             // Note: I think this should be getPathInfo(), but that doesn't work (Jetty bug?)
             String path = req.getRequestURI();
-            if (path != null && !path.equals("/")) {
-                message = "Bad URL.";
+            if (path != null && !"/".equals(path)) {
+                message = BAD_URL;
                 elr.setMessage(message);
                 elr.setResult(HttpServletResponse.SC_NOT_FOUND);
-                eventlogger.info(elr);
+                eventlogger.error(elr.toString());
                 sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, message, eventlogger);
                 return;
             }
             // check content type is FEED_CONTENT_TYPE, version 1.0
             ContentHeader ch = getContentHeader(req);
             String ver = ch.getAttribute("version");
-            if (!ch.getType().equals(FEED_BASECONTENT_TYPE) || !(ver.equals("1.0") || ver.equals("2.0"))) {
+            if (!ch.getType().equals(FEED_BASECONTENT_TYPE) || !("1.0".equals(ver) || "2.0".equals(ver))) {
                 message = "Incorrect content-type";
                 elr.setMessage(message);
                 elr.setResult(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);
-                eventlogger.info(elr);
+                eventlogger.error(elr.toString());
                 sendResponseError(resp, HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message, eventlogger);
                 return;
             }
             JSONObject jo = getJSONfromInput(req);
             if (jo == null) {
-                message = "Badly formed JSON";
+                message = BAD_JSON;
                 elr.setMessage(message);
                 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
-                eventlogger.info(elr);
+                eventlogger.error(elr.toString());
                 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
                 return;
             }
@@ -272,7 +272,7 @@ public class DRFeedsServlet extends ProxyServlet {
                 message = "Cannot create feed; the maximum number of feeds has been configured.";
                 elr.setMessage(message);
                 elr.setResult(HttpServletResponse.SC_CONFLICT);
-                eventlogger.info(elr);
+                eventlogger.error(elr.toString());
                 sendResponseError(resp, HttpServletResponse.SC_CONFLICT, message, eventlogger);
                 return;
             }
@@ -283,7 +283,7 @@ public class DRFeedsServlet extends ProxyServlet {
                 message = e.getMessage();
                 elr.setMessage(message);
                 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
-                eventlogger.info(elr);
+                eventlogger.error(elr.toString(), e);
                 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
                 return;
             }
@@ -295,23 +295,23 @@ public class DRFeedsServlet extends ProxyServlet {
              */
             String aafInstance = feed.getAafInstance();
             if (Boolean.parseBoolean(isCadiEnabled)) {
-                if ((aafInstance == null || aafInstance.equals("") || (aafInstance.equalsIgnoreCase("legacy")) && req.getHeader(EXCLUDE_AAF_HEADER).equalsIgnoreCase("true"))) {
+                if ((aafInstance == null || "".equals(aafInstance) || ("legacy".equalsIgnoreCase(aafInstance)) && "true".equalsIgnoreCase(req.getHeader(EXCLUDE_AAF_HEADER)))) {
                     // Check with the Authorizer
                     AuthorizationResponse aresp = authz.decide(req);
                     if (!aresp.isAuthorized()) {
-                        message = "Policy Engine disallows access.";
+                        message = POLICY_ENGINE;
                         elr.setMessage(message);
                         elr.setResult(HttpServletResponse.SC_FORBIDDEN);
-                        eventlogger.info(elr);
+                        eventlogger.error(elr.toString());
                         sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
                         return;
                     }
                 } else {
-                    if (req.getHeader(EXCLUDE_AAF_HEADER).equalsIgnoreCase("true")) {
+                    if ("true".equalsIgnoreCase(req.getHeader(EXCLUDE_AAF_HEADER))) {
                         message = "DRFeedsServlet.doPost() -Invalid request exclude_AAF should not be true if passing AAF_Instance value= " + aafInstance;
                         elr.setMessage(message);
                         elr.setResult(HttpServletResponse.SC_FORBIDDEN);
-                        eventlogger.info(elr);
+                        eventlogger.error(elr.toString());
                         sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
                         return;
                     }
@@ -321,7 +321,7 @@ public class DRFeedsServlet extends ProxyServlet {
                         message = "AAF disallows access to permission - " + permission;
                         elr.setMessage(message);
                         elr.setResult(HttpServletResponse.SC_FORBIDDEN);
-                        eventlogger.info(elr);
+                        eventlogger.error(elr.toString());
                         sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
                         return;
                     }
@@ -329,10 +329,10 @@ public class DRFeedsServlet extends ProxyServlet {
             } else {
                 AuthorizationResponse aresp = authz.decide(req);
                 if (!aresp.isAuthorized()) {
-                    message = "Policy Engine disallows access.";
+                    message = POLICY_ENGINE;
                     elr.setMessage(message);
                     elr.setResult(HttpServletResponse.SC_FORBIDDEN);
-                    eventlogger.info(elr);
+                    eventlogger.error(elr.toString());
                     sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
                     return;
                 }
@@ -349,7 +349,7 @@ public class DRFeedsServlet extends ProxyServlet {
                 message = "This feed already exists in the database.";
                 elr.setMessage(message);
                 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
-                eventlogger.info(elr);
+                eventlogger.error(elr.toString());
                 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
                 return;
             }
@@ -358,24 +358,24 @@ public class DRFeedsServlet extends ProxyServlet {
             if (doInsert(feed)) {
                 // send response
                 elr.setResult(HttpServletResponse.SC_CREATED);
-                eventlogger.info(elr);
+                eventlogger.info(elr.toString());
                 resp.setStatus(HttpServletResponse.SC_CREATED);
                 resp.setContentType(FEEDFULL_CONTENT_TYPE);
                 resp.setHeader("Location", feed.getLinks().getSelf());
                 try {
                     resp.getOutputStream().print(feed.asLimitedJSONObject().toString());
                 } catch (IOException ioe) {
-                    eventlogger.error("IOException" + ioe.getMessage());
+                    eventlogger.error("PROV0113 DRFeedServlet.doPost " + ioe.getMessage(), ioe);
                 }
                 provisioningDataChanged();
             } else {
                 // Something went wrong with the INSERT
                 elr.setResult(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
-                eventlogger.info(elr);
+                eventlogger.error(elr.toString());
                 sendResponseError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG, eventlogger);
             }
         } finally {
-            eelflogger.info(EelfMsgs.EXIT);
+            eelfLogger.info(EelfMsgs.EXIT);
         }
     }
 }