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authorRene Treffer <treffer@measite.de>2014-04-03 10:28:24 +0200
committerRene Treffer <treffer@measite.de>2014-04-03 10:28:24 +0200
commit8a8a7f3b0dd7928802a97e346b307bb06fdb3322 (patch)
tree38bd5249f14eea9fd9ead6870d69ef4610693752 /src/de/measite/minidns/util/NameUtil.java
parent7d086eaf1a6a0b1d45e857eaf65ac53cd7a753e5 (diff)
Add an IDN equals method to check names
Diffstat (limited to 'src/de/measite/minidns/util/NameUtil.java')
-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);