ACL Input param validation for L4 port

Change-Id: I5862aab56404afaf4d36e982a0259a498fdab216
diff --git a/apps/acl/src/main/java/org/onosproject/acl/AclWebResource.java b/apps/acl/src/main/java/org/onosproject/acl/AclWebResource.java
index 74b572c..972c1d9 100644
--- a/apps/acl/src/main/java/org/onosproject/acl/AclWebResource.java
+++ b/apps/acl/src/main/java/org/onosproject/acl/AclWebResource.java
@@ -203,12 +203,20 @@
 
         int port = node.path("dstTpPort").asInt(0);
         if (port > 0) {
-            rule.dstTpPort((short) port);
+            if ("TCP".equalsIgnoreCase(s) || "UDP".equalsIgnoreCase(s)) {
+                rule.dstTpPort((short) port);
+            } else {
+                throw new IllegalArgumentException("dstTpPort can be set only when ipProto is TCP or UDP");
+            }
         }
 
         port = node.path("srcTpPort").asInt(0);
         if (port > 0) {
-            rule.srcTpPort((short) port);
+            if ("TCP".equalsIgnoreCase(s) || "UDP".equalsIgnoreCase(s)) {
+                rule.srcTpPort((short) port);
+            } else {
+                throw new IllegalArgumentException("srcTpPort can be set only when ipProto is TCP or UDP");
+            }
         }
 
         s = node.path("action").asText(null);