1 files changed, 79 insertions, 0 deletions
diff --git a/appc-client/client-lib/src/main/java/org/openecomp/appc/client/impl/protocol/ProtocolFactory.java b/appc-client/client-lib/src/main/java/org/openecomp/appc/client/impl/protocol/ProtocolFactory.java
new file mode 100644
index 000000000..f9364e192
--- /dev/null
+++ b/appc-client/client-lib/src/main/java/org/openecomp/appc/client/impl/protocol/ProtocolFactory.java
@@ -0,0 +1,79 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * 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.
+ * 
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.client.impl.protocol;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class ProtocolFactory {
+
+    private static ProtocolFactory instance;
+    private Map<ProtocolType,Protocol> protocols;
+
+    /**
+     * Singleton factory
+     */
+    private ProtocolFactory(){
+
+        protocols = new HashMap<ProtocolType, Protocol>();
+    }
+
+    /**
+     * get factory instance
+     * @return factory instance
+     */
+    public static synchronized ProtocolFactory getInstance(){
+
+        if (instance == null) {
+            instance = new ProtocolFactory();
+        }
+        return instance;
+    }
+
+    /**
+     * returns instantiated protocol object
+     * @param type of protocol object
+     * @return protocol object
+     */
+    public Protocol getProtocolObject(ProtocolType type) throws ProtocolException {
+
+        Protocol protocol = protocols.get(type);
+        synchronized (this) {
+            if (protocol == null) {
+                switch (type) {
+                    case SYNC:
+                        throw new ProtocolException("Protocol SYNC is not implemented");
+                    case ASYNC:
+                        protocol = new AsyncProtocolImpl();
+                        protocols.put(type, protocol);
+                        break;
+                    default:
+                        throw new ProtocolException("Protocol type not found");
+                }
+            }
+        }
+        return protocol;
+    }
+}