1 | /**************************************************************** |
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2 | * Licensed to the Apache Software Foundation (ASF) under one * |
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3 | * or more contributor license agreements. See the NOTICE file * |
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4 | * distributed with this work for additional information * |
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5 | * regarding copyright ownership. The ASF licenses this file * |
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6 | * to you under the Apache License, Version 2.0 (the * |
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7 | * "License"); you may not use this file except in compliance * |
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8 | * with the License. You may obtain a copy of the License at * |
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9 | * * |
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10 | * http://www.apache.org/licenses/LICENSE-2.0 * |
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11 | * * |
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12 | * Unless required by applicable law or agreed to in writing, * |
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13 | * software distributed under the License is distributed on an * |
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14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * |
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15 | * KIND, either express or implied. See the License for the * |
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16 | * specific language governing permissions and limitations * |
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17 | * under the License. * |
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18 | ****************************************************************/ |
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19 | |
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20 | package org.apache.james.mime4j.dom.address; |
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21 | |
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22 | import java.io.Serializable; |
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23 | import java.util.AbstractList; |
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24 | import java.util.ArrayList; |
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25 | import java.util.Collections; |
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26 | import java.util.List; |
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27 | |
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28 | /** |
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29 | * An immutable, random-access list of Mailbox objects. |
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30 | */ |
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31 | public class MailboxList extends AbstractList<Mailbox> implements Serializable { |
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32 | |
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33 | private static final long serialVersionUID = 1L; |
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34 | |
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35 | private final List<Mailbox> mailboxes; |
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36 | |
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37 | /** |
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38 | * @param mailboxes |
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39 | * A List that contains only Mailbox objects. |
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40 | * @param dontCopy |
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41 | * true iff it is not possible for the mailboxes list to be |
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42 | * modified by someone else. |
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43 | */ |
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44 | public MailboxList(List<Mailbox> mailboxes, boolean dontCopy) { |
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45 | if (mailboxes != null) |
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46 | this.mailboxes = dontCopy ? mailboxes : new ArrayList<Mailbox>( |
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47 | mailboxes); |
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48 | else |
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49 | this.mailboxes = Collections.emptyList(); |
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50 | } |
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51 | |
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52 | /** |
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53 | * The number of elements in this list. |
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54 | */ |
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55 | @Override |
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56 | public int size() { |
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57 | return mailboxes.size(); |
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58 | } |
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59 | |
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60 | /** |
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61 | * Gets an address. |
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62 | */ |
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63 | @Override |
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64 | public Mailbox get(int index) { |
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65 | return mailboxes.get(index); |
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66 | } |
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67 | |
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68 | } |
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