1 files changed, 132 insertions, 0 deletions
diff --git a/src/org/xbill/DNS/DLVRecord.java b/src/org/xbill/DNS/DLVRecord.java
new file mode 100644
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--- /dev/null
+++ b/src/org/xbill/DNS/DLVRecord.java
@@ -0,0 +1,132 @@
+// Copyright (c) 2002-2004 Brian Wellington (bwelling@xbill.org)
+
+package org.xbill.DNS;
+
+import java.io.*;
+import org.xbill.DNS.utils.*;
+
+/**
+ * DLV - contains a Delegation Lookaside Validation record, which acts
+ * as the equivalent of a DS record in a lookaside zone.
+ * @see DNSSEC
+ * @see DSRecord
+ *
+ * @author David Blacka
+ * @author Brian Wellington
+ */
+
+public class DLVRecord extends Record {
+
+public static final int SHA1_DIGEST_ID = DSRecord.Digest.SHA1;
+public static final int SHA256_DIGEST_ID = DSRecord.Digest.SHA1;
+
+private static final long serialVersionUID = 1960742375677534148L;
+
+private int footprint;
+private int alg;
+private int digestid;
+private byte [] digest;
+
+DLVRecord() {}
+
+Record
+getObject() {
+	return new DLVRecord();
+}
+
+/**
+ * Creates a DLV Record from the given data
+ * @param footprint The original KEY record's footprint (keyid).
+ * @param alg The original key algorithm.
+ * @param digestid The digest id code.
+ * @param digest A hash of the original key.
+ */
+public
+DLVRecord(Name name, int dclass, long ttl, int footprint, int alg,
+	  int digestid, byte [] digest)
+{
+	super(name, Type.DLV, dclass, ttl);
+	this.footprint = checkU16("footprint", footprint);
+	this.alg = checkU8("alg", alg);
+	this.digestid = checkU8("digestid", digestid);
+	this.digest = digest;
+}
+
+void
+rrFromWire(DNSInput in) throws IOException {
+	footprint = in.readU16();
+	alg = in.readU8();
+	digestid = in.readU8();
+	digest = in.readByteArray();
+}
+
+void
+rdataFromString(Tokenizer st, Name origin) throws IOException {
+	footprint = st.getUInt16();
+	alg = st.getUInt8();
+	digestid = st.getUInt8();
+	digest = st.getHex();
+}
+
+/**
+ * Converts rdata to a String
+ */
+String
+rrToString() {
+	StringBuffer sb = new StringBuffer();
+	sb.append(footprint);
+	sb.append(" ");
+	sb.append(alg);
+	sb.append(" ");
+	sb.append(digestid);
+	if (digest != null) {
+		sb.append(" ");
+		sb.append(base16.toString(digest));
+	}
+
+	return sb.toString();
+}
+
+/**
+ * Returns the key's algorithm.
+ */
+public int
+getAlgorithm() {
+	return alg;
+}
+
+/**
+ *  Returns the key's Digest ID.
+ */
+public int
+getDigestID()
+{
+	return digestid;
+}
+  
+/**
+ * Returns the binary hash of the key.
+ */
+public byte []
+getDigest() {
+	return digest;
+}
+
+/**
+ * Returns the key's footprint.
+ */
+public int
+getFootprint() {
+	return footprint;
+}
+
+void
+rrToWire(DNSOutput out, Compression c, boolean canonical) {
+	out.writeU16(footprint);
+	out.writeU8(alg);
+	out.writeU8(digestid);
+	if (digest != null)
+		out.writeByteArray(digest);
+}
+
+}