1 package org.opentrafficsim.base;
2
3 import java.io.InputStream;
4 import java.net.URI;
5 import java.net.URISyntaxException;
6
7 /**
8 * Resource utility.
9 * <p>
10 * Copyright (c) 2013-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
11 * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
12 * </p>
13 * @author <a href="https://github.com/averbraeck">Alexander Verbraeck</a>
14 * @author <a href="https://tudelft.nl/staff/p.knoppers-1">Peter Knoppers</a>
15 * @author <a href="https://github.com/wjschakel">Wouter Schakel</a>
16 */
17 public final class Resource
18 {
19
20 /** Constructor. */
21 private Resource()
22 {
23 //
24 }
25
26 /**
27 * Obtains stream for resource, either in IDE or java.
28 * @param name String; name of resource
29 * @return the resolved input stream
30 */
31 public static InputStream getResourceAsStream(final String name)
32 {
33 InputStream stream = Resource.class.getResourceAsStream(name);
34 if (stream != null)
35 {
36 return stream;
37 }
38 stream = Resource.class.getResourceAsStream("/resources" + name);
39 if (stream != null)
40 {
41 return stream;
42 }
43 throw new RuntimeException("Unable to load resource " + name);
44 }
45
46 /**
47 * Obtains URI for resource, either in IDE or java.
48 * @param name String; name of resource
49 * @return the resolved URI
50 * @throws URISyntaxException when the file name is malformed.
51 */
52 public static URI getResourceAsUri(final String name) throws URISyntaxException
53 {
54 InputStream stream = Resource.class.getResourceAsStream(name);
55 if (stream != null)
56 {
57 return Resource.class.getResource(name).toURI();
58 }
59 stream = Resource.class.getResourceAsStream("/resources" + name);
60 if (stream != null)
61 {
62 return Resource.class.getResource("/resources" + name).toURI();
63 }
64 throw new RuntimeException("Unable to load resource " + name);
65
66 }
67
68 }