Listing the Actions in a Component : Actions « Swing JFC « Java

Listing the Actions in a Component

import javax.swing.Action;
import javax.swing.ActionMap;
import javax.swing.JButton;

public class Main {
  public static void main(String[] argv) throws Exception {
    JButton component = new JButton("button");
    ActionMap map = component.getActionMap();
    list(map, map.keys());
    list(map, map.allKeys());

  static void list(ActionMap map, Object[] actionKeys) {
    if (actionKeys == null) {
    for (int i = 0; i < actionKeys.length; i++) {
      // Get the action bound to this action key
      while (map.get(actionKeys[i]) == null) {
        map = map.getParent();
      Action action = (Action) map.get(actionKeys[i]);


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