Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ResourceTraverserFactory |
|
| 0.0;0 |
1 | /* | |
2 | * Copyright 2004-2008 the Seasar Foundation and the Others. | |
3 | * | |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, | |
13 | * either express or implied. See the License for the specific language | |
14 | * governing permissions and limitations under the License. | |
15 | */ | |
16 | package org.seasar.uruma.util.resource; | |
17 | ||
18 | import java.net.URL; | |
19 | import java.util.ArrayList; | |
20 | import java.util.List; | |
21 | ||
22 | import org.seasar.uruma.util.resource.impl.FileResourceTraverser; | |
23 | ||
24 | /** | |
25 | * {@link ResourceTraverser} のためのファクトリクラスです。<br /> | |
26 | * | |
27 | * @author y-komori | |
28 | */ | |
29 | public class ResourceTraverserFactory { | |
30 | 0 | private static final List<ResourceTraverser> traversers = new ArrayList<ResourceTraverser>(); |
31 | ||
32 | static { | |
33 | 0 | addResourceTraverser(new FileResourceTraverser()); |
34 | 0 | } |
35 | ||
36 | 0 | private ResourceTraverserFactory() { |
37 | ||
38 | 0 | } |
39 | ||
40 | /** | |
41 | * {@link ResourceTraverser} を登録します。<br /> | |
42 | * 同じプロトコルの {@link ResourceTraverser} が既に登録されている場合、上書きします。<br /> | |
43 | * | |
44 | * @param traverser | |
45 | * {@link ResourceTraverser} | |
46 | */ | |
47 | public static void addResourceTraverser(final ResourceTraverser traverser) { | |
48 | 0 | ResourceTraverser known = getResourceTraverser(traverser.getProtocol()); |
49 | 0 | if (known != null) { |
50 | 0 | traversers.remove(known); |
51 | } | |
52 | 0 | traversers.add(traverser); |
53 | 0 | } |
54 | ||
55 | /** | |
56 | * 指定されたプロトコルに対応した {@link ResourceTraverser} を取得します。<br /> | |
57 | * | |
58 | * @param protocol | |
59 | * プロトコル | |
60 | * @return {@link ResourceTraverser} オブジェクト。プロトコルに対応するものが存在しない場合は | |
61 | * <code>null</code>。 | |
62 | */ | |
63 | public static ResourceTraverser getResourceTraverser(final String protocol) { | |
64 | 0 | if (protocol == null) { |
65 | 0 | return null; |
66 | } | |
67 | 0 | int size = traversers.size(); |
68 | 0 | for (int i = 0; i < size; i++) { |
69 | 0 | ResourceTraverser traverser = traversers.get(i); |
70 | 0 | if (protocol.equals(traverser.getProtocol())) { |
71 | 0 | return traverser; |
72 | } | |
73 | } | |
74 | 0 | return null; |
75 | } | |
76 | ||
77 | /** | |
78 | * 指定された URL のプロトコルに対応した {@link ResourceTraverser} を取得します。<br /> | |
79 | * | |
80 | * @param url | |
81 | * URL | |
82 | * @return {@link ResourceTraverser} オブジェクト。プロトコルに対応するものが存在しない場合は | |
83 | * <code>null</code>。 | |
84 | */ | |
85 | public static ResourceTraverser getResourceTraverser(final URL url) { | |
86 | 0 | if (url == null) { |
87 | 0 | return null; |
88 | } else { | |
89 | 0 | return getResourceTraverser(url.getProtocol()); |
90 | } | |
91 | } | |
92 | } |