add isAddressV4 and isAddressV6 to IPAddress

1 files changed, 14 insertions, 8 deletions

diff --git a/src/main/kotlin/IPAddress.kt b/src/main/kotlin/IPAddress.kt
index 5e3cb0c..1eb69a7 100644
--- a/src/main/kotlin/IPAddress.kt
+++ b/src/main/kotlin/IPAddress.kt
@@ -12,15 +12,9 @@ class IPAddress {
         val split4 = address.split('.')
         val split6 = address.split(':')
 
-        val isV4 = split4.size == 4 &&
-                split4.size == split4.filter { it.matches(Regex("^[0-9]$")) }.size
-
-        val isV6 = split6.size == 16 &&
-                split6.size == split6.filter { it.contains(Regex("^[0-9][a-f]$")) }.size
-
-        if (isV4) {
+        if (isAddressV4(address)) {
             this.is4 = true
-        } else if (isV6) {
+        } else if (isAddressV6(address)) {
             this.is4 = false
         } else {
             throw NumberFormatException()
@@ -34,6 +28,18 @@ class IPAddress {
         this.address = bytes.toTypedArray()
     }
 
+    fun isAddressV4(address: String): Boolean {
+        val split4 = address.split('.')
+        return split4.size == 4 &&
+                split4.size == split4.filter { it.matches(Regex("^[0-9]$")) }.size
+    }
+
+    fun isAddressV6(address: String): Boolean {
+        val split6 = address.split(':')
+        return split6.size == 16 &&
+                split6.size == split6.filter { it.contains(Regex("^[0-9][a-f]$")) }.size
+    }
+
     override fun toString(): String {
         val str: String
         if (this.is4) {