1 2 3 27 package sessions; 28 29 import javax.servlet.http.*; 30 import java.util.Vector ; 31 import java.util.Enumeration ; 32 33 public class DummyCart { 34 Vector v = new Vector (); 35 String submit = null; 36 String item = null; 37 38 private void addItem(String name) { 39 v.addElement(name); 40 } 41 42 private void removeItem(String name) { 43 v.removeElement(name); 44 } 45 46 public void setItem(String name) { 47 item = name; 48 } 49 50 public void setSubmit(String s) { 51 submit = s; 52 } 53 54 public String [] getItems() { 55 String [] s = new String [v.size()]; 56 v.copyInto(s); 57 return s; 58 } 59 60 public void processRequest(HttpServletRequest request) { 61 if (submit == null) 64 addItem(item); 65 66 if (submit.equals("add")) 67 addItem(item); 68 else if (submit.equals("remove")) 69 removeItem(item); 70 71 reset(); 73 } 74 75 private void reset() { 77 submit = null; 78 item = null; 79 } 80 } 81 | Popular Tags |