Add getURL Accessor To IApplicationConfig

Change-Id: I7823ebe31d787399523386f0439128150c58ab39
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1731
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
BAD: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>
diff --git a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/config/IApplicationConfig.java b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/config/IApplicationConfig.java
index 0335b80..ddcaab3 100644
--- a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/config/IApplicationConfig.java
+++ b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/config/IApplicationConfig.java
@@ -18,6 +18,7 @@
  */
 package org.apache.hyracks.api.config;
 
+import java.net.URL;
 import java.util.List;
 import java.util.Set;
 import java.util.function.Predicate;
@@ -84,4 +85,8 @@
     default String [] getStringArray(IOption option) {
         return (String [])get(option);
     }
+
+    default URL getURL(IOption option) {
+        return (URL)get(option);
+    }
 }