stackconfiguration.java

First of all, the Applet-phone is a SIP User-Agent with audio and text messaging capabilities. But

/*
 * StackConfiguration.java
 *
 * Created on May 22, 2003, 10:08 AM
 */

package gov.nist.examples.pcc;
import java.util.*;
/**
 *
 * @author  deruelle
 */
public class StackConfiguration {
    
    // Stack:
    public String stackName;
    public String stackIPAddress;
    public String outboundProxy;
    public String routerPath;
    public String extensionMethods;
    public String retransmissionFilter;
    public String maxConnections;
    public String maxServerTransactions;
    public String threadPoolSize;
   
    // Listening points:
    public Hashtable listeningPoints;
  
    private int counter;
      
    /** Creates a new instance of StackConfiguration */
    public StackConfiguration() {
          counter=0;
          listeningPoints=new Hashtable();
    }
    
    protected boolean check(String s) {
        return  (s!=null && !s.trim().equals(""));
    }
    
    public void addListeningPoint(String port,String transport) {
        if (check(port) && check(transport) ) {
            counter++;
            listeningPoints.put
		("listeningPoint"+counter,new Association(port,transport) );
        }
    }
         
    public Vector getListeningPoints() {
        if (listeningPoints!=null) {
            Collection c = listeningPoints.values();
           return new Vector(c);
        }
        return null;
    }
    
    public boolean isValidConfiguration() {
        
        if  ( check(stackName) &&
        check(stackIPAddress) &&
        check(routerPath) &&
        !listeningPoints.isEmpty()
        ) {
            return true;
        }
        else {
            System.out.println
            ("ERROR, the configuration is not valid: Problem with"+
            " the stack tag and stack parameters");
            return false;
        }
        
    }
    
}