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-rw-r--r--src/de/measite/minidns/util/NameUtil.java14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/de/measite/minidns/util/NameUtil.java b/src/de/measite/minidns/util/NameUtil.java
index c42ac3eb..a7edc22a 100644
--- a/src/de/measite/minidns/util/NameUtil.java
+++ b/src/de/measite/minidns/util/NameUtil.java
@@ -6,6 +6,7 @@ import java.io.DataOutputStream;
import java.io.IOException;
import java.net.IDN;
import java.util.HashSet;
+import java.util.Arrays;
public class NameUtil {
@@ -13,6 +14,19 @@ public class NameUtil {
return name.length() + 2;
}
+ public static boolean idnEquals(String name1, String name2) {
+ if (name1 == name2) return true; // catches null, null
+ if (name1 == null) return false;
+ if (name2 == null) return false;
+ if (name1.equals(name2)) return true;
+
+ try {
+ return Arrays.equals(toByteArray(name1),toByteArray(name2));
+ } catch (IOException e) {
+ return false; // impossible
+ }
+ }
+
public static byte[] toByteArray(String name) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream(64);
DataOutputStream dos = new DataOutputStream(baos);