2 * Copyright © 2016-2017 European Support Limited
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package org.openecomp.core.factory.api;
19 import org.apache.commons.lang3.StringUtils;
20 import org.openecomp.core.factory.FactoryConfig;
21 import org.openecomp.core.factory.impl.AbstractFactoryBase;
22 import org.openecomp.sdc.common.errors.CoreException;
23 import org.openecomp.sdc.common.errors.ErrorCategory;
24 import org.openecomp.sdc.common.errors.ErrorCode;
28 public abstract class AbstractComponentFactory<I> extends AbstractFactory<I> {
31 Registry registry = new RegistryImpl();
32 InitializationHelper.registerFactoryMapping(registry);
37 void register(String factory, String impl);
40 private static class RegistryImpl implements Registry {
42 public void register(String factory, String impl) {
43 AbstractFactoryBase.registerFactory(factory, impl);
47 static class InitializationHelper {
50 private static boolean isRegistered = false;
52 private InitializationHelper() {
55 static synchronized void registerFactoryMapping(Registry registry) {
57 registerFactoryMappingImpl(registry);
62 private static void registerFactoryMappingImpl(Registry registry) {
63 Map<String, String> factoryMap = FactoryConfig.getFactoriesMap();
65 for (Map.Entry<String, String> entry : factoryMap.entrySet()) {
66 String abstractClassName = entry.getKey();
67 String concreteTypeName = entry.getValue();
69 if (StringUtils.isEmpty(concreteTypeName)) {
70 throw new CoreException(
71 new ErrorCode.ErrorCodeBuilder().withId("E0003")
72 .withMessage("Missing configuration value:" + concreteTypeName + ".")
73 .withCategory(ErrorCategory.SYSTEM).build());
76 registry.register(abstractClassName, concreteTypeName);