Scala example source code file (Key.java)

This example Scala source code file (Key.java) is included in my "Source Code Warehouse" project. The intent of this project is to help you more easily find Scala source code examples by using tags.

All credit for the original source code belongs to scala-lang.org; I'm just trying to make examples easier to find. (For my Scala work, see my Scala examples and tutorials.)

Scala tags/keywords

ctrl_a, ctrl_b, ctrl_c, ctrl_d, ctrl_f, ctrl_g, ctrl_k, ctrl_qm, delete, key, map

The Key.java Scala example source code

/*
 * Copyright (c) 2002-2007, Marc Prud'hommeaux. All rights reserved.
 *
 * This software is distributable under the BSD license. See the terms of the
 * BSD license in the documentation provided with this software.
 */

package scala.tools.jline.console;

import java.util.HashMap;
import java.util.Map;

/**
 * Map from key name to key codes.
 *
 * @author <a href="mailto:mwp1@cornell.edu">Marc Prud'hommeaux</a>
 * @author <a href="mailto:jason@planet57.com">Jason Dillon</a>
 * @see java.awt.event.KeyEvent
 * @since 2.0
 */
public enum Key
{
    CTRL_A(1),

    CTRL_B(2),

    CTRL_C(3),

    CTRL_D(4),

    CTRL_E(5),

    CTRL_F(6),

    CTRL_G(7),

    CTRL_K(11),

    CTRL_L(12),

    CTRL_N(14),

    CTRL_O(15),

    CTRL_P(16),

    CTRL_T(20),

    CTRL_W(23),

    CTRL_X(24),

    CTRL_OB(27),

    CTRL_QM(127),

    BACKSPACE('\b'),

    DELETE(127),;

    public final short code;

    Key(final int code) {
        this.code = (short) code;
    }

    private static final Map<Short, Key> codes;

    static {
        Map<Short, Key> map = new HashMap<Short, Key>();

        for (Key op : Key.values()) {
            map.put(op.code, op);
        }

        codes = map;
    }

    public static Key valueOf(final int code) {
        return codes.get((short) code);
    }
}