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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.imaging.test;
19  
20  import java.io.File;
21  import java.net.URI;
22  import java.net.URISyntaxException;
23  import java.net.URL;
24  import java.nio.file.Path;
25  import java.nio.file.Paths;
26  
27  /**
28   * Provides convenience methods for accessing test resources.
29   */
30  public class TestResources {
31  
32      /**
33       * Gets a {@link File} for a {@linkplain Class#getResource(String) resource path}.
34       */
35      public static File resourceToFile(final String path) {
36          return new File(resourceToURI(path));
37      }
38  
39      /**
40       * Gets a {@link Path} for a {@linkplain Class#getResource(String) resource path}.
41       */
42      public static Path resourceToPath(final String path) {
43          return Paths.get(resourceToURI(path));
44      }
45  
46      private static URI resourceToURI(final String name) {
47          final URL url = TestResources.class.getResource(name);
48          if (url == null) {
49              throw new IllegalArgumentException("Resource does not exist: " + name);
50          }
51          try {
52              return url.toURI();
53          } catch (final URISyntaxException e) {
54              throw new IllegalArgumentException(e);
55          }
56      }
57  
58      private TestResources() {
59      }
60  }