Added AAF plugin

[dmaap/kafka11aaf.git] / src / main / java / org / onap / dmaap / commonauth / kafka / base / authorization / AuthorizationProviderFactory.java

diff --git a/src/main/java/org/onap/dmaap/commonauth/kafka/base/authorization/AuthorizationProviderFactory.java b/src/main/java/org/onap/dmaap/commonauth/kafka/base/authorization/AuthorizationProviderFactory.java
new file mode 100644 (file)
index 0000000..6b872af
--- /dev/null
+++ b/src/main/java/org/onap/dmaap/commonauth/kafka/base/authorization/AuthorizationProviderFactory.java
@@ -0,0 +1,51 @@
+/*******************************************************************************
+ *  ============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"));
+       }
+}