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| package sessions; |
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| |
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| import javax.servlet.http.*; |
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| import java.util.Vector; |
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| import java.util.Enumeration; |
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| |
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| public class DummyCart { |
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| Vector v = new Vector(); |
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| String submit = null; |
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| String item = null; |
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| |
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0
| private void addItem(String name) {
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| v.addElement(name);
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| } |
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| |
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| private void removeItem(String name) {
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| v.removeElement(name);
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| } |
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| |
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| public void setItem(String name) {
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| item = name;
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| } |
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| |
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| public void setSubmit(String s) {
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| submit = s;
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| } |
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| |
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| public String[] getItems() {
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| String[] s = new String[v.size()];
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| v.copyInto(s);
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| return s;
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| } |
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| |
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| public void processRequest(HttpServletRequest request) {
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| |
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| |
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| if (submit == null)
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| addItem(item);
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| |
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| if (submit.equals("add"))
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| addItem(item);
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| else if (submit.equals("remove"))
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| removeItem(item);
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| reset();
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| } |
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| |
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| |
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| private void reset() {
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| submit = null;
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| item = null;
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| } |
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| } |