com.axelor.i18n.L10n.java Source code

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Here is the source code for com.axelor.i18n.L10n.java

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/**
 * Axelor Business Solutions
 *
 * Copyright (C) 2005-2016 Axelor (<http://axelor.com>).
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.axelor.i18n;

import java.text.NumberFormat;
import java.util.Locale;

import org.joda.time.DateTime;
import org.joda.time.LocalDate;
import org.joda.time.LocalDateTime;
import org.joda.time.format.DateTimeFormat;

import com.axelor.app.AppSettings;
import com.axelor.app.internal.AppFilter;

/**
 * This class provider methods for localization (L10n) services.
 *
 */
public final class L10n {

    private static final String DEFAULT_DATE_FORMAT = "yyy-MM-dd";
    private static final String DEFAULT_TIME_FORMAT = "HH:mm";

    private static final String DATE_FORMAT = AppSettings.get().get("date.format", DEFAULT_DATE_FORMAT);
    private static final String TIME_FORMAT = DEFAULT_TIME_FORMAT;
    private static final String DATE_TIME_FORMAT = DATE_FORMAT + " " + TIME_FORMAT;

    private Locale locale;

    private L10n(Locale locale) {
        this.locale = locale;
    }

    /**
     * Get instance of {@link L10n} using contextual locale.
     *
     * @return {@link L10n} instance for the context
     */
    public static L10n getInstance() {
        final Locale locale = AppFilter.getLocale();
        return new L10n(locale);
    }

    /**
     * Get instance of {@link L10n} for the given locale.
     *
     * @param locale
     *            the locale instance
     * @return {@link L10n} instance for the given locale
     */
    public static L10n getInstance(Locale locale) {
        return new L10n(locale);
    }

    /**
     * Format the number value.
     *
     * @param value
     *            the value to format
     * @return value as formated string
     */
    public String format(Number value) {
        if (value == null) {
            return null;
        }
        final NumberFormat fmt = NumberFormat.getInstance(locale);
        return fmt.format(value);
    }

    /**
     * Format the date value.
     *
     * @param value
     *            the value to format
     * @return value as formated string
     */
    public String format(LocalDate value) {
        if (value == null) {
            return null;
        }
        return DateTimeFormat.forPattern(DATE_FORMAT).print(value);
    }

    /**
     * Format the date time value.
     *
     * @param value
     *            the value to format
     * @return value as formated string
     */
    public String format(LocalDateTime value) {
        if (value == null) {
            return null;
        }
        return DateTimeFormat.forPattern(DATE_TIME_FORMAT).print(value);
    }

    /**
     * Format the date time value.
     *
     * @param value
     *            the value to format
     * @return value as formated string
     */
    public String format(DateTime value) {
        if (value == null) {
            return null;
        }
        return DateTimeFormat.forPattern(DATE_TIME_FORMAT).print(value);
    }
}