Refactor code

Author: amamounelsayed

src/main/java/com/microsoft/azure/functions/worker/Helper.java

@@ -0,0 +1,9 @@
+package com.microsoft.azure.functions.worker;
+
+public class Helper {
+
+    public static boolean isLoadAppLibsFirst() {
+        String javaReverseLibLoading = System.getenv(Constants.FUNCTIONS_WORKER_JAVA_LOAD_APP_LIBS);
+        return Util.isTrue(javaReverseLibLoading);
+    }
+}

src/main/java/com/microsoft/azure/functions/worker/Util.java

@@ -2,7 +2,7 @@
 
 public class Util {
     public static boolean isTrue(String value) {
-        if(value != null && value.toLowerCase().equals("true")) {
+        if(value != null && (value.toLowerCase().equals("true") || value.toLowerCase().equals("1"))) {
             return true;
         }
         return false;

src/main/java/com/microsoft/azure/functions/worker/broker/JavaFunctionBroker.java

@@ -10,6 +10,7 @@
 
 import com.microsoft.azure.functions.rpc.messages.*;
 import com.microsoft.azure.functions.worker.Constants;
+import com.microsoft.azure.functions.worker.Helper;
 import com.microsoft.azure.functions.worker.Util;
 import com.microsoft.azure.functions.worker.binding.BindingDataStore;
 import com.microsoft.azure.functions.worker.description.FunctionMethodDescriptor;
@@ -95,11 +96,10 @@ void registerWithClassLoaderProvider(File libDirectory) {
 		try {
 			if(SystemUtils.IS_JAVA_1_8) {
 				String workerLibPath = System.getenv(Constants.FUNCTIONS_WORKER_DIRECTORY) + "/lib";
-				String javaReverseLibLoading = System.getenv(Constants.FUNCTIONS_WORKER_JAVA_LOAD_APP_LIBS);
 				File workerLib = new File(workerLibPath);
-
 				verifyLibrariesExist (workerLib, workerLibPath);
-				if(Util.isTrue(javaReverseLibLoading)) {
+
+				if(Helper.isLoadAppLibsFirst()) {
 					// load client app jars first.
 					classLoaderProvider.addDirectory(libDirectory);
 					classLoaderProvider.addDirectory(workerLib);