com.sun.javafx.animation.KeyValueHelper Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of javafx-graphics Show documentation

There is a newer version: 24-ea+15

/*
 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.javafx.animation;

import com.sun.javafx.util.Utils;
import javafx.animation.KeyValue;

/**
 * Used to access internal methods of KeyValue.
 */
public class KeyValueHelper {

    private static KeyValueAccessor keyValueAccessor;

    static {
        Utils.forceInit(KeyValue.class);
    }

    private KeyValueHelper() {
    }

    public static KeyValueType getType(KeyValue keyValue) {
        return keyValueAccessor.getType(keyValue);
    }

    public static void setKeyValueAccessor(final KeyValueAccessor newAccessor) {
        if (keyValueAccessor != null) {
            throw new IllegalStateException();
        }

        keyValueAccessor = newAccessor;
    }

    public interface KeyValueAccessor {
        KeyValueType getType(KeyValue keyValue);
    }

}