site/j2s/java/util/Observable.js

   1 Clazz.load(["java.util.Vector"],"java.util.Observable",["java.lang.NullPointerException"],function(){
   2 c$=Clazz.decorateAsClass(function(){
   3 this.observers=null;
   4 this.changed=false;
   5 Clazz.instantialize(this,arguments);
   6 },java.util,"Observable");
   7 Clazz.prepareFields(c$,function(){
   8 this.observers=new java.util.Vector();
   9 });
  10 Clazz.makeConstructor(c$,
  11 function(){
  12 });
  13 Clazz.defineMethod(c$,"addObserver",
  14 function(observer){
  15 if(observer==null){
  16 throw new NullPointerException();
  17 }if(!this.observers.contains(observer))this.observers.addElement(observer);
  18 },"java.util.Observer");
  19 Clazz.defineMethod(c$,"clearChanged",
  20 function(){
  21 this.changed=false;
  22 });
  23 Clazz.defineMethod(c$,"countObservers",
  24 function(){
  25 return this.observers.size();
  26 });
  27 Clazz.defineMethod(c$,"deleteObserver",
  28 function(observer){
  29 this.observers.removeElement(observer);
  30 },"java.util.Observer");
  31 Clazz.defineMethod(c$,"deleteObservers",
  32 function(){
  33 this.observers.setSize(0);
  34 });
  35 Clazz.defineMethod(c$,"hasChanged",
  36 function(){
  37 return this.changed;
  38 });
  39 Clazz.defineMethod(c$,"notifyObservers",
  40 function(){
  41 this.notifyObservers(null);
  42 });
  43 Clazz.defineMethod(c$,"notifyObservers",
  44 function(data){
  45 if(this.changed){
  46 var clone=this.observers.clone();
  47 var size=clone.size();
  48 for(var i=0;i<size;i++){
  49 clone.elementAt(i).update(this,data);
  50 }
  51 this.clearChanged();
  52 }},"~O");
  53 Clazz.defineMethod(c$,"setChanged",
  54 function(){
  55 this.changed=true;
  56 });
  57 });