java - How to store Data after SAX parsing -


i use sax parser parse xml file , store data arraylists-hashmaps within enddocument method of parser. seems though after parsing ends references gone , when try access them main method 0 arraylist-hashmap size(). in other words save data after parsing can print them out during sax-parsing. how possible save them in order re-use them after parsing done? have tried creating list of objects containing information need didnt work.

handler code:

public class myhandler extends defaulthandler {  private list<string> rules = new arraylist<string>();   public myhandler() {acc = new stringbuilder();}   public void startdocument(){          string startdocumentstring="parsing started -----  discovered rules :";                      system.out.println(startdocumentstring);}  public void enddocument(){                   string enddocumentstring="\n \nparsing ended ------";                        system.out.println(enddocumentstring); for(int i=0 ; i< rulesnumber ; i++){ setrules(result[(0+(3*i))]); system.out.println("assosiative rule " + (i+1) +": "+ result[(0+(3*i))]);}  public void startelement(string namespaceuri, string localname, string qname, attributes atts) { if(qname.equals("associationrule")) { setrulesnumber();}  public void endelement(string namespaceuri,string localname, string qname) { (acc.tostring()).trim();     system.out.print(acc.tostring());     results.add(acc.tostring());              acc.setlength(0);     unsetdecision();     }             public void characters (char[] ch, int start , int length) {      if(decision)     acc.append(ch, start, length);               }   public void setrules(string s){rules.add(s);}  public list<string> getrules(){return rules;}    

you need keep reference contenthandler e.g.

//keep reference myhandler myhandler handler = new myhandler();  xmlreader parser = xmlreaderfactory.createxmlreader();  parser.setcontenthandler(handler);  parser.parse(mysource);  //get results list<string> rules = handler.getrules(); 

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