examples.tls.HopImpl Maven / Gradle / Ivy
package examples.tls;
import javax.sip.address.*;
import java.util.*;
public class HopImpl implements Hop {
/** Creates new Hop
*@param hop is a hop string in the form of host:port/Transport
*@throws IllegalArgument exception if string is not properly formatted or
* null.
*/
private String host;
private int port;
private String transport;
public String getHost() { return this.host; }
public int getPort() { return this.port; }
public String getTransport() { return this.transport; }
public HopImpl(String hop) throws IllegalArgumentException {
if (hop == null) throw new IllegalArgumentException("Null arg!");
System.out.println("hop = " + hop);
StringTokenizer stringTokenizer = new StringTokenizer(hop + "/");
String hostPort = stringTokenizer.nextToken("/");
transport = stringTokenizer.nextToken().trim();
// System.out.println("Hop: transport = " + transport);
if (transport == null) transport = "UDP";
else if (transport == "") transport = "UDP";
if (transport.compareToIgnoreCase("UDP") != 0 &&
transport.compareToIgnoreCase("TLS") != 0 &&
transport.compareToIgnoreCase("TCP") != 0) {
System.out.println("Bad transport string " + transport);
throw new IllegalArgumentException(hop);
}
stringTokenizer = new StringTokenizer(hostPort+":");
host = stringTokenizer.nextToken(":");
if (host == null || host.equals( "") )
throw new IllegalArgumentException("no host!");
String portString = null;
try {
portString = stringTokenizer.nextToken(":");
} catch (NoSuchElementException ex) {
// Ignore.
}
if (portString == null || portString.equals("")) {
port = 5060;
} else {
try {
port = Integer.parseInt(portString);
} catch (NumberFormatException ex) {
throw new IllegalArgumentException("Bad port spec");
}
}
}
}