| 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 | } |