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1   /*
2    * Copyright 2018 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License, version 2.0 (the
5    * "License"); you may not use this file except in compliance with the License. You may obtain a
6    * copy of the License at:
7    *
8    * https://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software distributed under the License
11   * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
12   * or implied. See the License for the specific language governing permissions and limitations under
13   * the License.
14   */
15  package io.netty.util.internal;
16  
17  import java.io.File;
18  import java.io.UnsupportedEncodingException;
19  import java.net.URLDecoder;
20  
21  /**
22   * A utility class that provides various common operations and constants
23   * related to loading resources
24   */
25  public final class ResourcesUtil {
26  
27      /**
28       * Returns a {@link File} named {@code fileName} associated with {@link Class} {@code resourceClass} .
29       *
30       * @param resourceClass The associated class
31       * @param fileName The file name
32       * @return The file named {@code fileName} associated with {@link Class} {@code resourceClass} .
33       */
34      public static File getFile(Class resourceClass, String fileName) {
35          try {
36              return new File(URLDecoder.decode(resourceClass.getResource(fileName).getFile(), "UTF-8"));
37          } catch (UnsupportedEncodingException e) {
38              return new File(resourceClass.getResource(fileName).getFile());
39          }
40      }
41  
42      private ResourcesUtil() { }
43  }