cz.krtinec.birthday.DateFormatter.java Source code

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Here is the source code for cz.krtinec.birthday.DateFormatter.java

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/*
 * This file is part of Birthday Widget.
 *
 * Birthday Widget is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Birthday Widget 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Birthday Widget.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Copyright (c) Lukas Marek, 2011.
 */

package cz.krtinec.birthday;

import org.joda.time.LocalDate;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;

import cz.krtinec.birthday.dto.DateIntegrity;

import android.content.Context;
import android.preference.PreferenceManager;

public class DateFormatter {
    private static DateFormatter instance = null;
    private static final String EMPTY_DATE = "--";
    private DateTimeFormatter longFormat;
    private DateTimeFormatter shortFormat;
    private Context ctx;

    private DateFormatter(Context ctx) {
        this.ctx = ctx;
        int fIndex = Integer
                .parseInt(PreferenceManager.getDefaultSharedPreferences(ctx).getString("date_format", "1"));
        longFormat = DateTimeFormat
                .forPattern(ctx.getResources().getStringArray(R.array.long_format_values)[fIndex]);
        shortFormat = DateTimeFormat
                .forPattern(ctx.getResources().getStringArray(R.array.short_format_values)[fIndex]);
    }

    public static DateFormatter getInstance(Context ctx) {
        if (instance == null) {
            instance = new DateFormatter(ctx);
        }

        return instance;
    }

    public String format(LocalDate date, DateIntegrity integrity) {
        if (date == null) {
            return EMPTY_DATE;
        }

        DateTimeFormatter format = integrity == DateIntegrity.FULL ? longFormat : shortFormat;

        return format.print(date);
    }

    /**
     * Format date for edit button.
     * @param date
     * @return
     */
    public String formatEdit(LocalDate date) {
        if (date == null) {
            return EMPTY_DATE;
        }
        DateTimeFormatter pattern = DateTimeFormat
                .forPattern(ctx.getResources().getStringArray(R.array.long_format_values)[0]);

        return pattern.print(date);
    }

    public static void reset() {
        instance = null;
    }
}