1 files changed, 178 insertions, 0 deletions
diff --git a/src/org/xbill/DNS/GPOSRecord.java b/src/org/xbill/DNS/GPOSRecord.java
new file mode 100644
index 0000000..688d567
--- /dev/null
+++ b/src/org/xbill/DNS/GPOSRecord.java
@@ -0,0 +1,178 @@
+// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
+
+package org.xbill.DNS;
+
+import java.io.*;
+
+/**
+ * Geographical Location - describes the physical location of a host.
+ *
+ * @author Brian Wellington
+ */
+
+public class GPOSRecord extends Record {
+
+private static final long serialVersionUID = -6349714958085750705L;
+
+private byte [] latitude, longitude, altitude;
+
+GPOSRecord() {}
+
+Record
+getObject() {
+	return new GPOSRecord();
+}
+
+private void
+validate(double longitude, double latitude) throws IllegalArgumentException
+{
+       if (longitude < -90.0 || longitude > 90.0) {
+               throw new IllegalArgumentException("illegal longitude " +
+                                                  longitude);
+       }
+       if (latitude < -180.0 || latitude > 180.0) {
+               throw new IllegalArgumentException("illegal latitude " +
+                                                  latitude);
+       }
+}
+
+/**
+ * Creates an GPOS Record from the given data
+ * @param longitude The longitude component of the location.
+ * @param latitude The latitude component of the location.
+ * @param altitude The altitude component of the location (in meters above sea
+ * level).
+*/
+public
+GPOSRecord(Name name, int dclass, long ttl, double longitude, double latitude,
+	   double altitude)
+{
+	super(name, Type.GPOS, dclass, ttl);
+	validate(longitude, latitude);
+	this.longitude = Double.toString(longitude).getBytes();
+	this.latitude = Double.toString(latitude).getBytes();
+	this.altitude = Double.toString(altitude).getBytes();
+}
+
+/**
+ * Creates an GPOS Record from the given data
+ * @param longitude The longitude component of the location.
+ * @param latitude The latitude component of the location.
+ * @param altitude The altitude component of the location (in meters above sea
+ * level).
+*/
+public
+GPOSRecord(Name name, int dclass, long ttl, String longitude, String latitude,
+	   String altitude)
+{
+	super(name, Type.GPOS, dclass, ttl);
+	try {
+		this.longitude = byteArrayFromString(longitude);
+		this.latitude = byteArrayFromString(latitude);
+		validate(getLongitude(), getLatitude());
+		this.altitude = byteArrayFromString(altitude);
+	}
+	catch (TextParseException e) {
+		throw new IllegalArgumentException(e.getMessage());
+	}
+}
+
+void
+rrFromWire(DNSInput in) throws IOException {
+	longitude = in.readCountedString();
+	latitude = in.readCountedString();
+	altitude = in.readCountedString();
+	try {
+		validate(getLongitude(), getLatitude());
+	}
+	catch(IllegalArgumentException e) {
+		throw new WireParseException(e.getMessage());
+	}
+}
+
+void
+rdataFromString(Tokenizer st, Name origin) throws IOException {
+	try {
+		longitude = byteArrayFromString(st.getString());
+		latitude = byteArrayFromString(st.getString());
+		altitude = byteArrayFromString(st.getString());
+	}
+	catch (TextParseException e) {
+		throw st.exception(e.getMessage());
+	}
+	try {
+		validate(getLongitude(), getLatitude());
+	}
+	catch(IllegalArgumentException e) {
+		throw new WireParseException(e.getMessage());
+	}
+}
+
+/** Convert to a String */
+String
+rrToString() {
+	StringBuffer sb = new StringBuffer();
+	sb.append(byteArrayToString(longitude, true));
+	sb.append(" ");
+	sb.append(byteArrayToString(latitude, true));
+	sb.append(" ");
+	sb.append(byteArrayToString(altitude, true));
+	return sb.toString();
+}
+
+/** Returns the longitude as a string */
+public String
+getLongitudeString() {
+	return byteArrayToString(longitude, false);
+}
+
+/**
+ * Returns the longitude as a double
+ * @throws NumberFormatException The string does not contain a valid numeric
+ * value.
+ */
+public double
+getLongitude() {
+	return Double.parseDouble(getLongitudeString());
+}
+
+/** Returns the latitude as a string */
+public String
+getLatitudeString() {
+	return byteArrayToString(latitude, false);
+}
+
+/**
+ * Returns the latitude as a double
+ * @throws NumberFormatException The string does not contain a valid numeric
+ * value.
+ */
+public double
+getLatitude() {
+	return Double.parseDouble(getLatitudeString());
+}
+
+/** Returns the altitude as a string */
+public String
+getAltitudeString() {
+	return byteArrayToString(altitude, false);
+}
+
+/**
+ * Returns the altitude as a double
+ * @throws NumberFormatException The string does not contain a valid numeric
+ * value.
+ */
+public double
+getAltitude() {
+	return Double.parseDouble(getAltitudeString());
+}
+
+void
+rrToWire(DNSOutput out, Compression c, boolean canonical) {
+	out.writeCountedString(longitude);
+	out.writeCountedString(latitude);
+	out.writeCountedString(altitude);
+}
+
+}