blob: 9cd7749f554add59d32150ce21aedb74af0473f0 (
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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* 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.core.factory.api;
import org.openecomp.core.factory.FactoryConfig;
import org.openecomp.core.factory.impl.AbstractFactoryBase;
import org.openecomp.core.utilities.CommonMethods;
import org.openecomp.sdc.common.errors.CoreException;
import org.openecomp.sdc.common.errors.ErrorCategory;
import org.openecomp.sdc.common.errors.ErrorCode;
import java.util.Map;
public abstract class AbstractComponentFactory<I> extends AbstractFactory<I> {
static {
Registry registry = new RegistryImpl();
InitializationHelper.registerFactoryMapping(registry);
}
interface Registry {
void register(String factory, String impl);
}
private static class RegistryImpl implements Registry {
@Override
public void register(String factory, String impl) {
AbstractFactoryBase.registerFactory(factory, impl);
}
}
static class InitializationHelper {
private static boolean isRegistered = false;
private InitializationHelper() {
}
static synchronized boolean registerFactoryMapping(Registry registry) {
boolean done = !isRegistered;
if (!isRegistered) {
registerFactoryMappingImpl(registry);
isRegistered = true;
}
return done;
}
private static void registerFactoryMappingImpl(Registry registry) {
Map<String, String> factoryMap = FactoryConfig.getFactoriesMap();
try {
for (Map.Entry<String, String> entry : factoryMap.entrySet()) {
String abstractClassName = entry.getKey();
String concreteTypeName = entry.getValue();
if (CommonMethods.isEmpty(concreteTypeName)) {
throw new CoreException(
new ErrorCode.ErrorCodeBuilder().withId("E0003")
.withMessage("Missing configuration value:" + concreteTypeName + ".")
.withCategory(ErrorCategory.SYSTEM).build());
}
registry.register(abstractClassName, concreteTypeName);
}
} catch (RuntimeException exception) {
throw exception;
} catch (Exception exception) {
throw new RuntimeException(exception);
}
}
@SuppressWarnings("unchecked")
private static <T> Class<T> unsecureCast(Class<?> cls) {
return (Class<T>) cls;
}
private static String nameOf(Class<?> clazz) {
return (clazz != null) ? clazz.getName() : "null";
}
}
}
|