Uploading the original JmDNS code

This code is used by the Broker service to advertise
and discover an Active Home using the standard
mDNS protocol

Change-Id: I5d7068765b4ca771e3f3faf5d12104e2247945f3

1 files changed, 78 insertions, 0 deletions

diff --git a/src/javax/jmdns/impl/constants/DNSOptionCode.java b/src/javax/jmdns/impl/constants/DNSOptionCode.java
new file mode 100644
index 0000000..d039fac
--- /dev/null
+++ b/src/javax/jmdns/impl/constants/DNSOptionCode.java
@@ -0,0 +1,78 @@
+/**
+ *
+ */
+package javax.jmdns.impl.constants;
+
+/**
+ * DNS option code.
+ * 
+ * @author Arthur van Hoff, Pierre Frisch, Rick Blair
+ */
+public enum DNSOptionCode {
+
+    /**
+     * Token
+     */
+    Unknown("Unknown", 65535),
+    /**
+     * Long-Lived Queries Option [http://files.dns-sd.org/draft-sekar-dns-llq.txt]
+     */
+    LLQ("LLQ", 1),
+    /**
+     * Update Leases Option [http://files.dns-sd.org/draft-sekar-dns-ul.txt]
+     */
+    UL("UL", 2),
+    /**
+     * Name Server Identifier Option [RFC5001]
+     */
+    NSID("NSID", 3),
+    /**
+     * Owner Option [draft-cheshire-edns0-owner-option]
+     */
+    Owner("Owner", 4);
+
+    private final String _externalName;
+
+    private final int    _index;
+
+    DNSOptionCode(String name, int index) {
+        _externalName = name;
+        _index = index;
+    }
+
+    /**
+     * Return the string representation of this type
+     * 
+     * @return String
+     */
+    public String externalName() {
+        return _externalName;
+    }
+
+    /**
+     * Return the numeric value of this type
+     * 
+     * @return String
+     */
+    public int indexValue() {
+        return _index;
+    }
+
+    /**
+     * @param optioncode
+     * @return label
+     */
+    public static DNSOptionCode resultCodeForFlags(int optioncode) {
+        int maskedIndex = optioncode;
+        for (DNSOptionCode aCode : DNSOptionCode.values()) {
+            if (aCode._index == maskedIndex) return aCode;
+        }
+        return Unknown;
+    }
+
+    @Override
+    public String toString() {
+        return this.name() + " index " + this.indexValue();
+    }
+
+}