    001    /*
    002     * Licensed to the Apache Software Foundation (ASF) under one or more
    003     * contributor license agreements.  See the NOTICE file distributed with
    004     * this work for additional information regarding copyright ownership.
    005     * The ASF licenses this file to You under the Apache License, Version 2.0
    006     * (the "License"); you may not use this file except in compliance with
    007     * the License.  You may obtain a copy of the License at
    008     *
    009     *      http://www.apache.org/licenses/LICENSE-2.0
    010     *
    011     * Unless required by applicable law or agreed to in writing, software
    012     * distributed under the License is distributed on an "AS IS" BASIS,
    013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014     * See the License for the specific language governing permissions and
    015     * limitations under the License.
    016     */
    017
    018    package org.apache.commons.net.pop3;
    019
    020    /***
    021     * POP3MessageInfo is used to return information about messages stored on
    022     * a POP3 server.  Its fields are used to mean slightly different things
    023     * depending on the information being returned.
    024     * <p>
    025     * In response to a status command, <code> number </code>
    026     * contains the number of messages in the mailbox, <code> size </code>
    027     * contains the size of the mailbox in bytes, and <code> identifier </code>
    028     * is null.
    029     * <p>
    030     * In response to a message listings, <code> number </code>
    031     * contains the message number, <code> size </code> contains the
    032     * size of the message in bytes, and <code> identifier </code> is null.
    033     * <p>
    034     * In response to unique identifier listings, <code> number </code> contains
    035     * the message number, <code> size </code> is undefined, and
    036     * <code> identifier </code> contains the message's unique identifier.
    037     * <p>
    038     * <p>
    039     ***/
    040
    041    public final class POP3MessageInfo
    042    {
    043        public int number;
    044        public int size;
    045        public String identifier;
    046
    047        /***
    048         * Creates a POP3MessageInfo instance with <code>number</code> and
    049         * <code> size </code> set to 0, and <code>identifier</code> set to
    050         * null.
    051         ***/
    052        public POP3MessageInfo()
    053        {
    054            this(0, null, 0);
    055        }
    056
    057        /***
    058         * Creates a POP3MessageInfo instance with <code>number</code> set
    059         * to <code> num </code>, <code> size </code> set to <code> octets </code>,
    060         * and <code>identifier</code> set to null.
    061         ***/
    062        public POP3MessageInfo(int num, int octets)
    063        {
    064            this(num, null, octets);
    065        }
    066
    067        /***
    068         * Creates a POP3MessageInfo instance with <code>number</code> set
    069         * to <code> num </code>, <code> size </code> undefined,
    070         * and <code>identifier</code> set to <code>uid</code>.
    071         ***/
    072        public POP3MessageInfo(int num, String uid)
    073        {
    074            this(num, uid, -1);
    075        }
    076
    077        private POP3MessageInfo(int num, String uid, int size) {
    078            this.number = num;
    079            this.size = size;
    080            this.identifier = uid;
    081        }
    082    }