blob: 6d49d9800f466ccc7649ffc87c041d20d19d1411 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.openecomp.mso.client;
import java.util.Iterator;
import java.util.ServiceLoader;
public class RestPropertiesLoader {
private final ServiceLoader<RestProperties> services;
private RestPropertiesLoader() {
services = ServiceLoader.load(RestProperties.class);
}
private static class Helper {
private static final RestPropertiesLoader INSTANCE = new RestPropertiesLoader();
}
public static RestPropertiesLoader getInstance() {
return Helper.INSTANCE;
}
public <T> T getImpl(Class<? extends RestProperties> clazz) {
T result = null;
Iterator<RestProperties> propertyImpls = services.iterator();
RestProperties item;
while (propertyImpls.hasNext()) {
item = propertyImpls.next();
if (clazz.isAssignableFrom(item.getClass())) {
result = (T)item;
break;
}
}
return result;
}
}
|