1 /*
2 * Copyright 2023 Adrian Herscu
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, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package dev.aherscu.qa.testing.utils;
18
19 import static dev.aherscu.qa.testing.utils.ObjectUtilsExtensions.*;
20
21 import java.io.*;
22
23 import org.apache.commons.lang3.*;
24
25 import lombok.experimental.*;
26
27 @UtilityClass
28 public class ClassUtilsExtensions extends ClassUtils {
29 /**
30 * Retrieves a resource relative to specified class.
31 *
32 * @param clazz
33 * the class from which the relative look-up should work
34 * @param resourceName
35 * the resource name to look-up for
36 * @return the resource as an input stream
37 * @throws IllegalArgumentException
38 * if the resource was not found
39 * @throws NullPointerException
40 * if the resource name is {@code null}
41 */
42 public static InputStream getRelativeResourceAsStream(
43 final Class<?> clazz,
44 final String resourceName) {
45 return requireNonNull(clazz.getResourceAsStream(resourceName),
46 new IllegalArgumentException(resourceName + " file not found"));
47 }
48 }