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This is a backport of OpenJFX 8 to run on Java 7.

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/*
 * Copyright (c) 2010, 2013, 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 javafx.util.converter;

import javafx.util.StringConverter;

/**
 * {@link StringConverter} implementation for {@link Short} values.
 * @since JavaFX 2.1
 */
public class ShortStringConverter extends StringConverter {
    /** {@inheritDoc} */
    @Override public Short fromString(String text) {
        // If the specified value is null or zero-length, return null
        if (text == null) {
            return null;
        }

        text = text.trim();

        if (text.length() < 1) {
            return null;
        }

        return Short.valueOf(text);
    }

    /** {@inheritDoc} */
    @Override public String toString(Short value) {
        // If the specified value is null, return a 
        // zero-length String
        if (value == null) {
            return "";
        }

        return Short.toString(((Short)value).shortValue());
    }
}