source: contrib/MailArchiver/sources/vendor/mime4j/apache-mime4j-0.7-SNAPSHOT-20110327.010440-17/dom/src/main/java/org/apache/james/mime4j/dom/address/DomainList.java @ 6785

Revision 6785, 3.0 KB checked in by rafaelraymundo, 12 years ago (diff)

Ticket #2946 - Liberado codigo do MailArchiver?. Documentação na subpasta DOCS.

Line 
1/****************************************************************
2 * Licensed to the Apache Software Foundation (ASF) under one   *
3 * or more contributor license agreements.  See the NOTICE file *
4 * distributed with this work for additional information        *
5 * regarding copyright ownership.  The ASF licenses this file   *
6 * to you under the Apache License, Version 2.0 (the            *
7 * "License"); you may not use this file except in compliance   *
8 * with the License.  You may obtain a copy of the License at   *
9 *                                                              *
10 *   http://www.apache.org/licenses/LICENSE-2.0                 *
11 *                                                              *
12 * Unless required by applicable law or agreed to in writing,   *
13 * software distributed under the License is distributed on an  *
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
15 * KIND, either express or implied.  See the License for the    *
16 * specific language governing permissions and limitations      *
17 * under the License.                                           *
18 ****************************************************************/
19
20package org.apache.james.mime4j.dom.address;
21
22import java.io.Serializable;
23import java.util.AbstractList;
24import java.util.ArrayList;
25import java.util.Collections;
26import java.util.List;
27
28/**
29 * An immutable, random-access list of Strings (that are supposedly domain names
30 * or domain literals).
31 */
32public class DomainList extends AbstractList<String> implements Serializable {
33
34    private static final long serialVersionUID = 1L;
35
36    private final List<String> domains;
37
38    /**
39     * @param domains
40     *            A List that contains only String objects.
41     * @param dontCopy
42     *            true iff it is not possible for the domains list to be
43     *            modified by someone else.
44     */
45    public DomainList(List<String> domains, boolean dontCopy) {
46        if (domains != null)
47            this.domains = dontCopy ? domains : new ArrayList<String>(domains);
48        else
49            this.domains = Collections.emptyList();
50    }
51
52    /**
53     * The number of elements in this list.
54     */
55    @Override
56    public int size() {
57        return domains.size();
58    }
59
60    /**
61     * Gets the domain name or domain literal at the specified index.
62     *
63     * @throws IndexOutOfBoundsException
64     *             If index is &lt; 0 or &gt;= size().
65     */
66    @Override
67    public String get(int index) {
68        return domains.get(index);
69    }
70
71    /**
72     * Returns the list of domains formatted as a route string (not including
73     * the trailing ':').
74     */
75    public String toRouteString() {
76        StringBuilder sb = new StringBuilder();
77
78        for (String domain : domains) {
79            if (sb.length() > 0) {
80                sb.append(',');
81            }
82
83            sb.append("@");
84            sb.append(domain);
85        }
86
87        return sb.toString();
88    }
89
90    @Override
91    public String toString() {
92        return toRouteString();
93    }
94
95}
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