1 /**
2 * Logback: the reliable, generic, fast and flexible logging framework.
3 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
4 *
5 * This program and the accompanying materials are dual-licensed under
6 * either the terms of the Eclipse Public License v1.0 as published by
7 * the Eclipse Foundation
8 *
9 * or (per the licensee's choosing)
10 *
11 * under the terms of the GNU Lesser General Public License version 2.1
12 * as published by the Free Software Foundation.
13 */
14 package ch.qos.logback.classic.util;
15
16 import java.util.ArrayList;
17 import java.util.Iterator;
18 import java.util.List;
19 import java.util.ServiceLoader;
20
21 import ch.qos.logback.core.util.EnvUtil;
22 import ch.qos.logback.core.util.Loader;
23
24 /**
25 * @author Ceki Gülcü
26 */
27 public class ClassicEnvUtil {
28
29 /*
30 * Used to replace the ClassLoader that the ServiceLoader uses for unit testing.
31 * We need this to mock the resources the ServiceLoader attempts to load from
32 * /META-INF/services thus keeping the projects src/test/resources clean (see
33 * src/test/resources/README.txt).
34 */
35 //static ClassLoader testServiceLoaderClassLoader = null;
36
37 static public boolean isGroovyAvailable() {
38 return EnvUtil.isClassAvailable(ClassicEnvUtil.class, "groovy.lang.Binding");
39 }
40 //
41 // private static ClassLoader getServiceLoaderClassLoader() {
42 // return testServiceLoaderClassLoader == null ? Loader.getClassLoaderOfClass(ClassicEnvUtil.class)
43 // : testServiceLoaderClassLoader;
44 // }
45
46 public static <T> List<T> loadFromServiceLoader(Class<T> c, ClassLoader classLoader) {
47 ServiceLoader<T> loader = ServiceLoader.load(c, classLoader);
48 List<T> listOfT = new ArrayList<>();
49 Iterator<T> it = loader.iterator();
50 while(it.hasNext()) {
51 T t = it.next();
52 listOfT.add(t);
53 }
54 return listOfT;
55 }
56
57 }