public boolean equals(Object o) {
if (o == this) {
return true;
}
if (!(o instanceof DiscoveryDescription)) {
return false;
}
DiscoveryDescription descriptor = (DiscoveryDescription) o;
return descriptor.getInstanceName().equals(getInstanceName());
}
public int compareTo(DiscoveryDescription sd) throws ClassCastException {
if (sd == null) {
throw new NullPointerException();
}
if (sd == this) {
return 0;
}
return getInstanceName().compareTo(sd.getInstanceName());
}
/**
* When we get a packet that should contain the string-based properties included in a
* DiscoveryDescription object, we make sure that it follows the same format used in the toString
* method.
*
* @param encodedInstanceName Instance name for the server that is URL encoded.
* @param addressAsString The IP address of the server.
* @param clientPortAsString The client port for the server.
* @param nodePortAsString The node port for the server.
* @return A new DiscoveryDescription object that represents the data from the given strings.
* @see DiscoveryDescription#toString()
*/
public static DiscoveryDescription parse(
String encodedInstanceName,
String addressAsString,
String clientPortAsString,
String nodePortAsString) {
DiscoveryDescription descriptor = new DiscoveryDescription();
// Put the instance name
try {
String name = URLDecoder.decode(encodedInstanceName, "UTF-8");
if (name == null || name.length() == 0) {
return null;
}
descriptor.setInstanceName(name);
} catch (UnsupportedEncodingException uee) {
uee.printStackTrace();
return null;
}
// Put the address
descriptor.setAddress(addressAsString);
// Put the client and node ports
try {
int p = Integer.parseInt(clientPortAsString);
descriptor.setClientPort(p);
p = Integer.parseInt(nodePortAsString);
descriptor.setNodePort(p);
} catch (NumberFormatException nfe) {
System.err.println("Unexpected exception: " + nfe);
nfe.printStackTrace();
return null;
}
return descriptor;
}