org.eclipse.angus.mail.imap.YoungerTerm Maven / Gradle / Ivy

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/*
 * Copyright (c) 1997, 2023 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package org.eclipse.angus.mail.imap;

import jakarta.mail.Message;
import jakarta.mail.search.SearchTerm;

import java.util.Date;

/**
 * Find messages that are younger than a given interval (in seconds).
 * Relies on the server implementing the WITHIN search extension
 * (RFC 5032).
 *
 * @since JavaMail 1.5.1
 * @author Bill Shannon
 */
public final class YoungerTerm extends SearchTerm {

    private int interval;

    private static final long serialVersionUID = 1592714210688163496L;

    /**
     * Constructor.
     *
     * @param interval number of seconds younger
     */
    public YoungerTerm(int interval) {
        this.interval = interval;
    }

    /**
     * Return the interval.
     *
     * @return the interval
     */
    public int getInterval() {
        return interval;
    }

    /**
     * The match method.
     *
     * @param msg the date comparator is applied to this Message's
     *            received date
     * @return true if the comparison succeeds, otherwise false
     */
    @Override
    public boolean match(Message msg) {
        Date d;

        try {
            d = msg.getReceivedDate();
        } catch (Exception e) {
            return false;
        }

        if (d == null)
            return false;

        return d.getTime() >=
                System.currentTimeMillis() - ((long) interval * 1000);
    }

    /**
     * Equality comparison.
     */
    @Override
    public boolean equals(Object obj) {
        if (!(obj instanceof YoungerTerm))
            return false;
        return interval == ((YoungerTerm) obj).interval;
    }

    /**
     * Compute a hashCode for this object.
     */
    @Override
    public int hashCode() {
        return interval;
    }
}