1 files changed, 58 insertions, 0 deletions
diff --git a/adapters/mso-adapter-utils/src/main/java/org/openecomp/mso/cloud/authentication/AuthenticationWrapper.java b/adapters/mso-adapter-utils/src/main/java/org/openecomp/mso/cloud/authentication/AuthenticationWrapper.java
new file mode 100644
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--- /dev/null
+++ b/adapters/mso-adapter-utils/src/main/java/org/openecomp/mso/cloud/authentication/AuthenticationWrapper.java
@@ -0,0 +1,58 @@
+/*
+ * ============LICENSE_START==========================================
+ * ===================================================================
+ * 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============================================
+ *
+ * ECOMP and OpenECOMP are trademarks
+ * and service marks of AT&T Intellectual Property.
+ *
+ */
+
+package org.openecomp.mso.cloud.authentication;
+
+import org.openecomp.mso.cloud.CloudIdentity;
+
+import com.woorea.openstack.keystone.model.Authentication;
+
+/**
+ * This abstract class provides the necessary method for registering authentication
+ * types with wrapper classes, and also defines the contract for providing
+ * Openstack-compatible Authentication implementations for said authentication types.
+ *
+ */
+public abstract class AuthenticationWrapper {
+
+	/**
+	 * Registers the implementing class to the list of Authentication Wrappers.
+	 *
+	 * @param authenticationType The authentication type that is provided by the implementing class
+	 * @param wrapperClass The implementing class Class object
+	 * @throws InstantiationException If the provided implementing class cannot be instantiated
+	 * @throws IllegalAccessException If the provided implementing class cannot be instantiated
+	 */
+	public static final void register(String authenticationType, Class<? extends AuthenticationWrapper> wrapperClass) throws InstantiationException, IllegalAccessException {
+		AuthenticationMethodFactory.register(authenticationType, wrapperClass);
+	}
+	
+	/**
+	 * Returns an OpenStack Authentication object for the provided CloudIdentity.
+	 *
+	 * @param cloudIdentity The input Cloud Identity instance
+	 * @return the OpenStack Authentication associated with this cloud identity instance
+	 */
+	protected abstract Authentication getAuthentication(CloudIdentity cloudIdentity);
+
+}