1 files changed, 86 insertions, 0 deletions
diff --git a/src/org/xbill/DNS/X25Record.java b/src/org/xbill/DNS/X25Record.java
new file mode 100644
index 0000000..1349a1e
--- /dev/null
+++ b/src/org/xbill/DNS/X25Record.java
@@ -0,0 +1,86 @@
+// Copyright (c) 2004 Brian Wellington (bwelling@xbill.org)
+
+package org.xbill.DNS;
+
+import java.io.*;
+
+/**
+ * X25 - identifies the PSDN (Public Switched Data Network) address in the
+ * X.121 numbering plan associated with a name.
+ *
+ * @author Brian Wellington
+ */
+
+public class X25Record extends Record {
+
+private static final long serialVersionUID = 4267576252335579764L;
+
+private byte [] address;
+
+X25Record() {}
+
+Record
+getObject() {
+	return new X25Record();
+}
+
+private static final byte []
+checkAndConvertAddress(String address) {
+	int length = address.length();
+	byte [] out = new byte [length];
+	for (int i = 0; i < length; i++) {
+		char c = address.charAt(i);
+		if (!Character.isDigit(c))
+			return null;
+		out[i] = (byte) c;
+	}
+	return out;
+}
+
+/**
+ * Creates an X25 Record from the given data
+ * @param address The X.25 PSDN address.
+ * @throws IllegalArgumentException The address is not a valid PSDN address.
+ */
+public
+X25Record(Name name, int dclass, long ttl, String address) {
+	super(name, Type.X25, dclass, ttl);
+	this.address = checkAndConvertAddress(address);
+	if (this.address == null) {
+		throw new IllegalArgumentException("invalid PSDN address " +
+						   address);
+	}
+}
+
+void
+rrFromWire(DNSInput in) throws IOException {
+	address = in.readCountedString();
+}
+
+void
+rdataFromString(Tokenizer st, Name origin) throws IOException {
+	String addr = st.getString();
+	this.address = checkAndConvertAddress(addr);
+	if (this.address == null)
+		throw st.exception("invalid PSDN address " + addr);
+}
+
+/**
+ * Returns the X.25 PSDN address.
+ */
+public String
+getAddress() {
+	return byteArrayToString(address, false);
+}
+
+void
+rrToWire(DNSOutput out, Compression c, boolean canonical) {
+	out.writeCountedString(address);
+}
+
+String
+rrToString() {
+	return byteArrayToString(address, true);
+}
+
+}