1 files changed, 106 insertions, 0 deletions
diff --git a/src/org/xbill/DNS/NSAPRecord.java b/src/org/xbill/DNS/NSAPRecord.java
new file mode 100644
index 0000000..a6b2031
--- /dev/null
+++ b/src/org/xbill/DNS/NSAPRecord.java
@@ -0,0 +1,106 @@
+// Copyright (c) 2004 Brian Wellington (bwelling@xbill.org)
+
+package org.xbill.DNS;
+
+import java.io.*;
+import org.xbill.DNS.utils.*;
+
+/**
+ * NSAP Address Record.
+ *
+ * @author Brian Wellington
+ */
+
+public class NSAPRecord extends Record {
+
+private static final long serialVersionUID = -1037209403185658593L;
+
+private byte [] address;
+
+NSAPRecord() {}
+
+Record
+getObject() {
+	return new NSAPRecord();
+}
+
+private static final byte []
+checkAndConvertAddress(String address) {
+	if (!address.substring(0, 2).equalsIgnoreCase("0x")) {
+		return null;
+	}
+	ByteArrayOutputStream bytes = new ByteArrayOutputStream();
+	boolean partial = false;
+	int current = 0;
+	for (int i = 2; i < address.length(); i++) {
+		char c = address.charAt(i);
+		if (c == '.') {
+			continue;
+		}
+		int value = Character.digit(c, 16);
+		if (value == -1) {
+			return null;
+		}
+		if (partial) {
+			current += value;
+			bytes.write(current);
+			partial = false;
+		} else {
+			current = value << 4;
+			partial = true;
+		}
+
+	}
+	if (partial) {
+		return null;
+	}
+	return bytes.toByteArray();
+}
+
+/**
+ * Creates an NSAP Record from the given data
+ * @param address The NSAP address.
+ * @throws IllegalArgumentException The address is not a valid NSAP address.
+ */
+public
+NSAPRecord(Name name, int dclass, long ttl, String address) {
+	super(name, Type.NSAP, dclass, ttl);
+	this.address = checkAndConvertAddress(address);
+	if (this.address == null) {
+		throw new IllegalArgumentException("invalid NSAP address " +
+						   address);
+	}
+}
+
+void
+rrFromWire(DNSInput in) throws IOException {
+	address = in.readByteArray();
+}
+
+void
+rdataFromString(Tokenizer st, Name origin) throws IOException {
+	String addr = st.getString();
+	this.address = checkAndConvertAddress(addr);
+	if (this.address == null)
+		throw st.exception("invalid NSAP address " + addr);
+}
+
+/**
+ * Returns the NSAP address.
+ */
+public String
+getAddress() {
+	return byteArrayToString(address, false);
+}
+
+void
+rrToWire(DNSOutput out, Compression c, boolean canonical) {
+	out.writeByteArray(address);
+}
+
+String
+rrToString() {
+	return "0x" + base16.toString(address);
+}
+
+}