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/*******************************************************************************
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright © 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.onap.dmaap.commonauth.kafka.base.authorization;
import java.util.HashMap;
import java.util.Map;
import java.util.ServiceLoader;
public class AuthorizationProviderFactory<K, V> {
private static final Map<String, AuthorizationProvider> AUTHORIZATION_PROVIDER_MAP = new HashMap<String, AuthorizationProvider>();
private static final AuthorizationProviderFactory AUTHORIZATION_PROVIDER_FACTORY = new AuthorizationProviderFactory();
private AuthorizationProviderFactory() {
try {
ServiceLoader<AuthorizationProvider> serviceLoader = ServiceLoader.load(AuthorizationProvider.class);
for (AuthorizationProvider authzProvider : serviceLoader) {
AUTHORIZATION_PROVIDER_MAP.put(authzProvider.getId(), authzProvider);
}
} catch (Exception ee) {
System.out.println(ee);
System.exit(0);
}
}
public static AuthorizationProviderFactory getProviderFactory() {
return AUTHORIZATION_PROVIDER_FACTORY;
}
public AuthorizationProvider getProvider() {
return AUTHORIZATION_PROVIDER_MAP.get(System.getProperty("kafka.authorization.provider", "CADI_AAF_PROVIDER"));
}
}
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