1 package jalview.util;
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5 public class ListenList {
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6 protected Vector listeners;
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7 public ListenList() {
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8 listeners = new Vector();
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11 public void addListener(EventListener l) {
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15 if (!listeners.contains(l)) {
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16 listeners.addElement(l);
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20 public void removeListener(EventListener l) {
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24 if (listeners.contains(l)) {
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25 listeners.removeElement(l);
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