Main.java Source code

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Here is the source code for Main.java

Source

import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;

import javax.swing.Action;
import javax.swing.InputMap;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.KeyStroke;

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

    static void list(InputMap map, KeyStroke[] keys) {
        if (keys == null) {
            return;
        }
        for (int i = 0; i < keys.length; i++) {
            keyStroke2String(keys[i]);
            while (map.get(keys[i]) == null) {
                map = map.getParent();
            }
            if (map.get(keys[i]) instanceof String) {
                String actionName = (String) map.get(keys[i]);
            } else {
                Action action = (Action) map.get(keys[i]);
            }
        }
    }

    static void keyStroke2String(KeyStroke key) {
        int m = key.getModifiers();

        if ((m & (InputEvent.SHIFT_DOWN_MASK | InputEvent.SHIFT_MASK)) != 0) {
            System.out.println("shift ");
        }
        if ((m & (InputEvent.CTRL_DOWN_MASK | InputEvent.CTRL_MASK)) != 0) {
            System.out.println("ctrl ");
        }
        if ((m & (InputEvent.META_DOWN_MASK | InputEvent.META_MASK)) != 0) {
            System.out.println("meta ");
        }
        if ((m & (InputEvent.ALT_DOWN_MASK | InputEvent.ALT_MASK)) != 0) {
            System.out.println("alt ");
        }
        if ((m & (InputEvent.BUTTON1_DOWN_MASK | InputEvent.BUTTON1_MASK)) != 0) {
            System.out.println("button1 ");
        }
        if ((m & (InputEvent.BUTTON2_DOWN_MASK | InputEvent.BUTTON2_MASK)) != 0) {
            System.out.println("button2 ");
        }
        if ((m & (InputEvent.BUTTON3_DOWN_MASK | InputEvent.BUTTON3_MASK)) != 0) {
            System.out.println("button3 ");
        }
        switch (key.getKeyEventType()) {
        case KeyEvent.KEY_TYPED:
            System.out.println("typed ");
            System.out.println(key.getKeyChar() + " ");
            break;
        case KeyEvent.KEY_PRESSED:
            System.out.println("pressed ");
            System.out.println(getKeyText(key.getKeyCode()) + " ");
            break;
        case KeyEvent.KEY_RELEASED:
            System.out.println("released ");
            System.out.println(getKeyText(key.getKeyCode()) + " ");
            break;
        default:
            System.out.println("unknown-event-type ");
            break;
        }
    }

    static String getKeyText(int keyCode) {
        if (keyCode >= KeyEvent.VK_0 && keyCode <= KeyEvent.VK_9
                || keyCode >= KeyEvent.VK_A && keyCode <= KeyEvent.VK_Z) {
            return String.valueOf((char) keyCode);
        }
        switch (keyCode) {
        case KeyEvent.VK_COMMA:
            return "COMMA";
        case KeyEvent.VK_PERIOD:
            return "PERIOD";
        case KeyEvent.VK_SLASH:
            return "SLASH";
        case KeyEvent.VK_SEMICOLON:
            return "SEMICOLON";
        case KeyEvent.VK_EQUALS:
            return "EQUALS";
        case KeyEvent.VK_OPEN_BRACKET:
            return "OPEN_BRACKET";
        case KeyEvent.VK_BACK_SLASH:
            return "BACK_SLASH";
        case KeyEvent.VK_CLOSE_BRACKET:
            return "CLOSE_BRACKET";
        case KeyEvent.VK_ENTER:
            return "ENTER";
        case KeyEvent.VK_BACK_SPACE:
            return "BACK_SPACE";
        case KeyEvent.VK_TAB:
            return "TAB";
        case KeyEvent.VK_CANCEL:
            return "CANCEL";
        case KeyEvent.VK_CLEAR:
            return "CLEAR";
        case KeyEvent.VK_SHIFT:
            return "SHIFT";
        case KeyEvent.VK_CONTROL:
            return "CONTROL";
        case KeyEvent.VK_ALT:
            return "ALT";
        case KeyEvent.VK_PAUSE:
            return "PAUSE";
        case KeyEvent.VK_CAPS_LOCK:
            return "CAPS_LOCK";
        case KeyEvent.VK_ESCAPE:
            return "ESCAPE";
        case KeyEvent.VK_SPACE:
            return "SPACE";
        case KeyEvent.VK_PAGE_UP:
            return "PAGE_UP";
        case KeyEvent.VK_PAGE_DOWN:
            return "PAGE_DOWN";
        case KeyEvent.VK_END:
            return "END";
        case KeyEvent.VK_HOME:
            return "HOME";
        case KeyEvent.VK_LEFT:
            return "LEFT";
        case KeyEvent.VK_UP:
            return "UP";
        case KeyEvent.VK_RIGHT:
            return "RIGHT";
        case KeyEvent.VK_DOWN:
            return "DOWN";
        case KeyEvent.VK_MULTIPLY:
            return "MULTIPLY";
        case KeyEvent.VK_ADD:
            return "ADD";
        case KeyEvent.VK_SEPARATOR:
            return "SEPARATOR";
        case KeyEvent.VK_SUBTRACT:
            return "SUBTRACT";
        case KeyEvent.VK_DECIMAL:
            return "DECIMAL";
        case KeyEvent.VK_DIVIDE:
            return "DIVIDE";
        case KeyEvent.VK_DELETE:
            return "DELETE";
        case KeyEvent.VK_NUM_LOCK:
            return "NUM_LOCK";
        case KeyEvent.VK_SCROLL_LOCK:
            return "SCROLL_LOCK";
        case KeyEvent.VK_F1:
            return "F1";
        case KeyEvent.VK_F2:
            return "F2";
        case KeyEvent.VK_F3:
            return "F3";
        case KeyEvent.VK_F4:
            return "F4";
        case KeyEvent.VK_F5:
            return "F5";
        case KeyEvent.VK_F6:
            return "F6";
        case KeyEvent.VK_F7:
            return "F7";
        case KeyEvent.VK_F8:
            return "F8";
        case KeyEvent.VK_F9:
            return "F9";
        case KeyEvent.VK_F10:
            return "F10";
        case KeyEvent.VK_F11:
            return "F11";
        case KeyEvent.VK_F12:
            return "F12";
        case KeyEvent.VK_F13:
            return "F13";
        case KeyEvent.VK_F14:
            return "F14";
        case KeyEvent.VK_F15:
            return "F15";
        case KeyEvent.VK_F16:
            return "F16";
        case KeyEvent.VK_F17:
            return "F17";
        case KeyEvent.VK_F18:
            return "F18";
        case KeyEvent.VK_F19:
            return "F19";
        case KeyEvent.VK_F20:
            return "F20";
        case KeyEvent.VK_F21:
            return "F21";
        case KeyEvent.VK_F22:
            return "F22";
        case KeyEvent.VK_F23:
            return "F23";
        case KeyEvent.VK_F24:
            return "F24";
        case KeyEvent.VK_PRINTSCREEN:
            return "PRINTSCREEN";
        case KeyEvent.VK_INSERT:
            return "INSERT";
        case KeyEvent.VK_HELP:
            return "HELP";
        case KeyEvent.VK_META:
            return "META";
        case KeyEvent.VK_BACK_QUOTE:
            return "BACK_QUOTE";
        case KeyEvent.VK_QUOTE:
            return "QUOTE";
        case KeyEvent.VK_KP_UP:
            return "KP_UP";
        case KeyEvent.VK_KP_DOWN:
            return "KP_DOWN";
        case KeyEvent.VK_KP_LEFT:
            return "KP_LEFT";
        case KeyEvent.VK_KP_RIGHT:
            return "KP_RIGHT";
        case KeyEvent.VK_DEAD_GRAVE:
            return "DEAD_GRAVE";
        case KeyEvent.VK_DEAD_ACUTE:
            return "DEAD_ACUTE";
        case KeyEvent.VK_DEAD_CIRCUMFLEX:
            return "DEAD_CIRCUMFLEX";
        case KeyEvent.VK_DEAD_TILDE:
            return "DEAD_TILDE";
        case KeyEvent.VK_DEAD_MACRON:
            return "DEAD_MACRON";
        case KeyEvent.VK_DEAD_BREVE:
            return "DEAD_BREVE";
        case KeyEvent.VK_DEAD_ABOVEDOT:
            return "DEAD_ABOVEDOT";
        case KeyEvent.VK_DEAD_DIAERESIS:
            return "DEAD_DIAERESIS";
        case KeyEvent.VK_DEAD_ABOVERING:
            return "DEAD_ABOVERING";
        case KeyEvent.VK_DEAD_DOUBLEACUTE:
            return "DEAD_DOUBLEACUTE";
        case KeyEvent.VK_DEAD_CARON:
            return "DEAD_CARON";
        case KeyEvent.VK_DEAD_CEDILLA:
            return "DEAD_CEDILLA";
        case KeyEvent.VK_DEAD_OGONEK:
            return "DEAD_OGONEK";
        case KeyEvent.VK_DEAD_IOTA:
            return "DEAD_IOTA";
        case KeyEvent.VK_DEAD_VOICED_SOUND:
            return "DEAD_VOICED_SOUND";
        case KeyEvent.VK_DEAD_SEMIVOICED_SOUND:
            return "DEAD_SEMIVOICED_SOUND";
        case KeyEvent.VK_AMPERSAND:
            return "AMPERSAND";
        case KeyEvent.VK_ASTERISK:
            return "ASTERISK";
        case KeyEvent.VK_QUOTEDBL:
            return "QUOTEDBL";
        case KeyEvent.VK_LESS:
            return "LESS";
        case KeyEvent.VK_GREATER:
            return "GREATER";
        case KeyEvent.VK_BRACELEFT:
            return "BRACELEFT";
        case KeyEvent.VK_BRACERIGHT:
            return "BRACERIGHT";
        case KeyEvent.VK_AT:
            return "AT";
        case KeyEvent.VK_COLON:
            return "COLON";
        case KeyEvent.VK_CIRCUMFLEX:
            return "CIRCUMFLEX";
        case KeyEvent.VK_DOLLAR:
            return "DOLLAR";
        case KeyEvent.VK_EURO_SIGN:
            return "EURO_SIGN";
        case KeyEvent.VK_EXCLAMATION_MARK:
            return "EXCLAMATION_MARK";
        case KeyEvent.VK_INVERTED_EXCLAMATION_MARK:
            return "INVERTED_EXCLAMATION_MARK";
        case KeyEvent.VK_LEFT_PARENTHESIS:
            return "LEFT_PARENTHESIS";
        case KeyEvent.VK_NUMBER_SIGN:
            return "NUMBER_SIGN";
        case KeyEvent.VK_MINUS:
            return "MINUS";
        case KeyEvent.VK_PLUS:
            return "PLUS";
        case KeyEvent.VK_RIGHT_PARENTHESIS:
            return "RIGHT_PARENTHESIS";
        case KeyEvent.VK_UNDERSCORE:
            return "UNDERSCORE";
        case KeyEvent.VK_FINAL:
            return "FINAL";
        case KeyEvent.VK_CONVERT:
            return "CONVERT";
        case KeyEvent.VK_NONCONVERT:
            return "NONCONVERT";
        case KeyEvent.VK_ACCEPT:
            return "ACCEPT";
        case KeyEvent.VK_MODECHANGE:
            return "MODECHANGE";
        case KeyEvent.VK_KANA:
            return "KANA";
        case KeyEvent.VK_KANJI:
            return "KANJI";
        case KeyEvent.VK_ALPHANUMERIC:
            return "ALPHANUMERIC";
        case KeyEvent.VK_KATAKANA:
            return "KATAKANA";
        case KeyEvent.VK_HIRAGANA:
            return "HIRAGANA";
        case KeyEvent.VK_FULL_WIDTH:
            return "FULL_WIDTH";
        case KeyEvent.VK_HALF_WIDTH:
            return "HALF_WIDTH";
        case KeyEvent.VK_ROMAN_CHARACTERS:
            return "ROMAN_CHARACTERS";
        case KeyEvent.VK_ALL_CANDIDATES:
            return "ALL_CANDIDATES";
        case KeyEvent.VK_PREVIOUS_CANDIDATE:
            return "PREVIOUS_CANDIDATE";
        case KeyEvent.VK_CODE_INPUT:
            return "CODE_INPUT";
        case KeyEvent.VK_JAPANESE_KATAKANA:
            return "JAPANESE_KATAKANA";
        case KeyEvent.VK_JAPANESE_HIRAGANA:
            return "JAPANESE_HIRAGANA";
        case KeyEvent.VK_JAPANESE_ROMAN:
            return "JAPANESE_ROMAN";
        case KeyEvent.VK_KANA_LOCK:
            return "KANA_LOCK";
        case KeyEvent.VK_INPUT_METHOD_ON_OFF:
            return "INPUT_METHOD_ON_OFF";

        case KeyEvent.VK_AGAIN:
            return "AGAIN";
        case KeyEvent.VK_UNDO:
            return "UNDO";
        case KeyEvent.VK_COPY:
            return "COPY";
        case KeyEvent.VK_PASTE:
            return "PASTE";
        case KeyEvent.VK_CUT:
            return "CUT";
        case KeyEvent.VK_FIND:
            return "FIND";
        case KeyEvent.VK_PROPS:
            return "PROPS";
        case KeyEvent.VK_STOP:
            return "STOP";

        case KeyEvent.VK_COMPOSE:
            return "COMPOSE";
        case KeyEvent.VK_ALT_GRAPH:
            return "ALT_GRAPH";
        }

        if (keyCode >= KeyEvent.VK_NUMPAD0 && keyCode <= KeyEvent.VK_NUMPAD9) {
            char c = (char) (keyCode - KeyEvent.VK_NUMPAD0 + '0');
            return "NUMPAD" + c;
        }

        return "unknown(0x" + Integer.toString(keyCode, 16) + ")";
    }
}