com.anrisoftware.sscontrol.mail.postfix.linux.DurationRenderer.java Source code

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Here is the source code for com.anrisoftware.sscontrol.mail.postfix.linux.DurationRenderer.java

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/*
 * Copyright 2013-2015 Erwin Mller <erwin.mueller@deventm.org>
 *
 * This file is part of sscontrol-mail-postfix.
 *
 * sscontrol-mail-postfix is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Affero General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * sscontrol-mail-postfix 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 sscontrol-mail-postfix. If not, see <http://www.gnu.org/licenses/>.
 */
package com.anrisoftware.sscontrol.mail.postfix.linux;

import static java.lang.String.format;

import java.util.Locale;

import org.joda.time.Duration;

import com.anrisoftware.resources.templates.api.AttributeRenderer;

/**
 * Attribute renderer for time duration.
 * 
 * @see Duration
 * 
 * @author Erwin Mueller, erwin.mueller@deventm.org
 * @since 1.0
 */
@SuppressWarnings("serial")
public class DurationRenderer implements AttributeRenderer {

    private static final int MINUTES = 60;
    private static final int HOUR = 60 * MINUTES;
    private static final int DAYS = 24 * HOUR;
    private static final int WEEKS = 7 * DAYS;

    @Override
    public String toString(Object o, String format, Locale locale) {
        Duration duration = (Duration) o;
        long time = duration.getMillis() / 1000;
        if (time > 1 * WEEKS && time % WEEKS == 0) {
            return format("%dw", time / WEEKS);
        }
        if (time > 1 * DAYS && time % DAYS == 0) {
            return format("%dd", time / DAYS);
        }
        if (time > 1 * HOUR && time % HOUR == 0) {
            return format("%dh", time / HOUR);
        }
        if (time > 1 * MINUTES && time % MINUTES == 0) {
            return format("%dm", time / MINUTES);
        }
        return format("%ds", time);
    }

    @Override
    public Class<?> getAttributeType() {
        return Duration.class;
    }

}