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/*
 * Copyright (c) 2010, 2021, 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 java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import javafx.util.StringConverter;

/**
 * {@link StringConverter} implementation for {@link Date} values that
 * represent time.
 *
 * @see DateStringConverter
 * @see DateTimeStringConverter
 * @since JavaFX 2.1
 */
public class TimeStringConverter extends DateTimeStringConverter {

    // ------------------------------------------------------------ Constructors

    /**
     * Create a {@link StringConverter} for {@link Date} values, using the
     * {@link DateFormat#DEFAULT} time style.
     */
    public TimeStringConverter() {
        this(null, null, null, DateFormat.DEFAULT);
    }

    /**
     * Create a {@link StringConverter} for {@link Date} values, using the
     * specified {@link DateFormat} time style.
     *
     * @param timeStyle the given formatting style. For example,
     * {@link DateFormat#SHORT} for "h:mm a" in the US locale.
     *
     * @since JavaFX 8u40
     */
    public TimeStringConverter(int timeStyle) {
        this(null, null, null, timeStyle);
    }

    /**
     * Create a {@link StringConverter} for {@link Date} values, using the
     * specified locale and the {@link DateFormat#DEFAULT} time style.
     *
     * @param locale the given locale.
     */
    public TimeStringConverter(Locale locale) {
        this(locale, null, null, DateFormat.DEFAULT);
    }

    /**
     * Create a {@link StringConverter} for {@link Date} values, using the
     * specified locale and {@link DateFormat} time style.
     *
     * @param locale the given locale.
     * @param timeStyle the given formatting style. For example,
     * {@link DateFormat#SHORT} for "h:mm a" in the US locale.
     *
     * @since JavaFX 8u40
     */
    public TimeStringConverter(Locale locale, int timeStyle) {
        this(locale, null, null, timeStyle);
    }

    /**
     * Create a {@link StringConverter} for {@link Date} values, using the
     * specified pattern.
     *
     * @param pattern the pattern describing the time format.
     */
    public TimeStringConverter(String pattern) {
        this(null, pattern, null, DateFormat.DEFAULT);
    }

    /**
     * Create a {@link StringConverter} for {@link Date} values, using the
     * specified locale and pattern.
     *
     * @param locale the given locale.
     * @param pattern the pattern describing the time format.
     */
    public TimeStringConverter(Locale locale, String pattern) {
        this(locale, pattern, null, DateFormat.DEFAULT);
    }

    /**
     * Create a {@link StringConverter} for {@link Date} values, using the
     * specified {@link DateFormat} formatter.
     *
     * @param dateFormat the {@link DateFormat} to be used for formatting and
     * parsing.
     */
    public TimeStringConverter(DateFormat dateFormat) {
        this(null, null, dateFormat, DateFormat.DEFAULT);
    }

    private TimeStringConverter(Locale locale, String pattern, DateFormat dateFormat, int timeStyle) {
        super(locale, pattern, dateFormat, DateFormat.DEFAULT, timeStyle);
    }


    // --------------------------------------------------------- Private Methods

    /** {@inheritDoc} */
    @SuppressWarnings("removal")
    @Override protected DateFormat getDateFormat() {
        DateFormat df = null;

        if (dateFormat != null) {
            return dateFormat;
        } else if (pattern != null) {
            df = new SimpleDateFormat(pattern, locale);
        } else {
            df = DateFormat.getTimeInstance(timeStyle, locale);
        }

        df.setLenient(false);

        return df;
    }
}