001/**************************************************************** 002 * Licensed to the Apache Software Foundation (ASF) under one * 003 * or more contributor license agreements. See the NOTICE file * 004 * distributed with this work for additional information * 005 * regarding copyright ownership. The ASF licenses this file * 006 * to you under the Apache License, Version 2.0 (the * 007 * "License"); you may not use this file except in compliance * 008 * with the License. You may obtain a copy of the License at * 009 * * 010 * http://www.apache.org/licenses/LICENSE-2.0 * 011 * * 012 * Unless required by applicable law or agreed to in writing, * 013 * software distributed under the License is distributed on an * 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * 015 * KIND, either express or implied. See the License for the * 016 * specific language governing permissions and limitations * 017 * under the License. * 018 ****************************************************************/ 019 020package org.apache.james.mime4j.dom.address; 021 022import java.io.Serializable; 023import java.util.AbstractList; 024import java.util.ArrayList; 025import java.util.Collections; 026import java.util.List; 027 028/** 029 * An immutable, random-access list of Mailbox objects. 030 */ 031public class MailboxList extends AbstractList<Mailbox> implements Serializable { 032 033 private static final long serialVersionUID = 1L; 034 035 private final List<Mailbox> mailboxes; 036 037 /** 038 * @param mailboxes 039 * A List that contains only Mailbox objects. 040 * @param dontCopy 041 * true iff it is not possible for the mailboxes list to be 042 * modified by someone else. 043 */ 044 public MailboxList(List<Mailbox> mailboxes, boolean dontCopy) { 045 if (mailboxes != null) 046 this.mailboxes = dontCopy ? mailboxes : new ArrayList<Mailbox>( 047 mailboxes); 048 else 049 this.mailboxes = Collections.emptyList(); 050 } 051 052 /** 053 * The number of elements in this list. 054 */ 055 @Override 056 public int size() { 057 return mailboxes.size(); 058 } 059 060 /** 061 * Gets an address. 062 */ 063 @Override 064 public Mailbox get(int index) { 065 return mailboxes.get(index); 066 } 067 068}