1 files changed, 132 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcae/commonFunction/CustomExceptionLoader.java b/src/main/java/org/onap/dcae/commonFunction/CustomExceptionLoader.java
new file mode 100644
index 00000000..175ad443
--- /dev/null
+++ b/src/main/java/org/onap/dcae/commonFunction/CustomExceptionLoader.java
@@ -0,0 +1,132 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * PROJECT
+ * ================================================================================
+ * Copyright (C) 2017 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.dcae.commonFunction;
+
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.HashMap;
+
+import java.util.Map.Entry;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonIOException;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import com.google.gson.JsonSyntaxException;
+
+
+public class CustomExceptionLoader {
+
+    public static HashMap<String, JsonArray> map = null;
+    private static final Logger log = LoggerFactory.getLogger ( CustomExceptionLoader.class );
+    
+    //For standalone test
+    //LoadMap Invoked from servletSetup
+    /*
+	public static void main(String[] args) {
+
+		System.out.println("CustomExceptionLoader.main --> Arguments -- ExceptionConfig file: " + args[0] + "StatusCode:" + args[1]+ " Error Msg:" + args[2]);
+		CommonStartup.exceptionConfig = args[0];
+		
+		//Read the Custom exception JSON file into map
+	    LoadMap();
+	    System.out.println("CustomExceptionLoader.main --> Map info post LoadMap:" + map);
+	   
+	     String[] str= LookupMap(args[1],args[2]);
+			if (! (str==null)) {
+			System.out.println("CustomExceptionLoader.main --> Return from lookup function" + str[0] + "value:" + str[1]);	
+		}
+	    
+	}
+	*/
+	
+	public static void LoadMap () {
+		
+		 map = new HashMap<String, JsonArray>();
+		 FileReader fr = null;
+		 try {
+			 	JsonElement root = null;
+			 	fr = new FileReader(CommonStartup.exceptionConfig);
+			 	root = new JsonParser().parse(fr);
+			 	JsonObject jsonObject = root.getAsJsonObject().get("code").getAsJsonObject();
+
+				for (Entry<String, JsonElement> entry : jsonObject.entrySet()) {
+				     map.put(entry.getKey(), (JsonArray) entry.getValue());
+				}
+				
+				log.debug("CustomExceptionLoader.LoadMap --> Map loaded - " + map);
+			} catch (JsonIOException e) {
+				e.printStackTrace();
+			} catch (JsonSyntaxException e) {
+				e.printStackTrace();
+			} catch (FileNotFoundException e) {
+				e.printStackTrace();
+			} catch (Exception e) {
+				e.printStackTrace();
+			}
+		 	finally {
+		    	if (fr != null) {
+		    		try {
+		    				fr.close();
+		    			} catch (IOException e) {
+		    				log.error("Error closing file reader stream : " +e.toString());
+		    			}
+		    	}
+		    }
+	}
+
+	public static String[] LookupMap (String error, String errormsg) {
+		 
+		 String[] retarray = null;
+		 
+		 log.debug("CustomExceptionLoader.LookupMap -->" + " HTTP StatusCode:" + error + " Msg:" + errormsg);
+		 try{
+			 
+			 JsonArray jarray = map.get(error);
+			  for (int i = 0; i < jarray.size(); i++) {
+			    	  
+			     JsonElement val = jarray.get(i).getAsJsonObject().get("Reason");
+			     JsonArray ec = (JsonArray) jarray.get(i).getAsJsonObject().get("ErrorCode");
+				 log.trace("CustomExceptionLoader.LookupMap Parameter -> Error msg : " + errormsg + " Reason text being matched:" + val);			
+				 if (errormsg.contains(val.toString().replace("\"", ""))){
+					 log.trace("CustomExceptionLoader.LookupMap Successful! Exception matched to error message StatusCode:" + ec.get(0).toString() + "ErrorMessage:" + ec.get(1).toString());
+					 retarray = new String[2];
+					 retarray[0]=ec.get(0).toString();
+					 retarray[1]=ec.get(1).toString();
+					 return retarray;
+				 }
+			    }
+  
+		 }
+		 catch (Exception e)
+		 {
+			 System.out.println(e.getMessage());
+		 }
+	        
+		 return retarray;
+	}
+
+}