Add method to retrieve keystore file location based on context

Author: ThaminduR

core/org.wso2.carbon.utils/src/main/java/org/wso2/carbon/utils/security/KeystoreUtils.java

@@ -134,6 +134,17 @@ public static String getKeyStoreFileLocation(String tenantDomain) {
         return tenantDomain.trim().replace(".", "-") + getKeyStoreFileExtension(tenantDomain);
     }
 
+    /**
+     * Retrieve keystore file location for a given context.
+     * This won't consider the server configuration for super tenant as the context is provided.
+     *
+     * @return File location.
+     */
+    public static String getKeyStoreFileLocation(String context, String tenantDomain) {
+
+        return tenantDomain.trim().replace(".", "-") + "--" + context + getKeyStoreFileExtension(tenantDomain);
+    }
+
     /**
      * Retrieve keystore file type (ex: JKS, PKCS12).
      * @param tenantDomain  Tenant domain the keystore need to be resolved.