presentitylist.java

基于JAINSIP的一个proxy源码

/*
 * PresentityList.java
 *
 * Created on October 3, 2002, 6:48 PM
 */

package gov.nist.sip.instantmessaging.presence;

import javax.sip.*;
import javax.sip.message.*; 
import javax.sip.header.*;
import javax.sip.address.*;
import java.util.*;
import gov.nist.sip.instantmessaging.*;
/**
 *
 * @author  deruelle
 * @version 1.0
 */
public class PresentityList {

    private Hashtable presentityList;
   
    /** Creates new SubscriberController */
    public PresentityList() {
         presentityList=new Hashtable();
    }
    
    public Vector getAllPresentities() {
        if (presentityList!=null) {
            Collection collection=presentityList.values();
            return new Vector(collection);
        }
        return new Vector();
    }
    
    public boolean hasPresentity(String presentityName) {
        Presentity presentity=(Presentity)presentityList.get(presentityName);
        if (presentity==null) return false;
        else return true;
    }
    
    public Presentity getPresentity(String presentityName) {
        return (Presentity)presentityList.get(presentityName);
    }
    
    public void updatePresentity(String presentityName,String status) {
       if (hasPresentity(presentityName) ) {
           Presentity presentity=getPresentity(presentityName);
           presentity.setStatus(status);
           DebugIM.println("DEBUG, PresentityList, updatePresentity(), "+
            "We change the status of "+presentityName);
           printPresentityList();
       }
    }
    
    public void addPresentity(Presentity presentity) {
        String presentityName=presentity.getPresentityName();
        if ( hasPresentity(presentityName) ) {
           DebugIM.println("DEBUG, PresentityList, addPresentity(), "+
            "We add a new presentity: "+presentityName);
           presentityList.put(presentityName,presentity);
        }
        else {
            DebugIM.println("DEBUG, PresentityList, addPresentity(), "+
            "We update the presentity: "+presentityName);
            presentityList.put(presentityName,presentity);
        }
        printPresentityList();
    }
    
    public void removePresentity(String presentityName) {
        Presentity presentity=(Presentity)presentityList.get(presentityName);
        if (presentity!=null) {
            DebugIM.println("DEBUG: PresentityList, removePresentity(), "+
            " the presentity "+presentityName+" has been removed");
            presentityList.remove(presentityName);
        }
        else DebugIM.println("DEBUG: PresentityList, removePresentity(), "+
            " the presentity: "+presentityName+" was not found...");
        printPresentityList();
    }
    
    public void changePresentityStatus(String presentityName,String status) {
        if ( hasPresentity(presentityName) ) {
           DebugIM.println("DEBUG, PresentityList, changePresentityStatus(), "+
            "The status of the presentity: "+presentityName+" is now: "+status);
           Presentity presentity=(Presentity)presentityList.get(presentityName);
           presentity.setStatus(status);
        }
        else {
            DebugIM.println("DEBUG, PresentityList, changePresentityStatus(), "+
            "The presentity "+presentityName+" was not found...");
        }
        printPresentityList();
    }
    
    
    
    
    
    public void printPresentityList() {
        Collection collection=presentityList.values();
        Vector presentities=new Vector(collection);
        DebugIM.println();
        DebugIM.println("************* DEBUG PresentityList    ************************************");
        DebugIM.println("************* Presentities record:    ************************************");
        DebugIM.println();
        for (int i=0;i<presentities.size();i++) {
            Presentity presentity=(Presentity)presentities.elementAt(i);
            DebugIM.println("presentity URL : "+presentity.getPresentityName());
            DebugIM.println("       status  : "+presentity.getStatus());
            DebugIM.println();
        }
        DebugIM.println("**************************************************************************");
        DebugIM.println();
    }
    
}