DMAAP-MR - Merge MR repos

[dmaap/messagerouter/messageservice.git] / src / main / java / org / onap / dmaap / dmf / mr / CambriaApiVersionInfo.java

diff --git a/src/main/java/org/onap/dmaap/dmf/mr/CambriaApiVersionInfo.java b/src/main/java/org/onap/dmaap/dmf/mr/CambriaApiVersionInfo.java
new file mode 100644 (file)
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+++ b/src/main/java/org/onap/dmaap/dmf/mr/CambriaApiVersionInfo.java
@@ -0,0 +1,89 @@
+/*******************************************************************************
+ *  ============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=========================================================
+ *  
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ *  
+ *******************************************************************************/
+package org.onap.dmaap.dmf.mr;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+
+/**
+ * CambriaApiVersionInfo will provide the version of cambria code
+ * 
+ * @author peter
+ *
+ */
+public class CambriaApiVersionInfo {
+    
+       /**
+        * 3 constants are defined:-
+        * PROPS,VERSION and LOG
+        */
+       
+       private static final Properties PROPS = new Properties();
+    private static final String VERSION;
+
+
+    private static final EELFLogger LOG = EELFManager.getInstance().getLogger(CambriaApiVersionInfo.class);
+    
+    /**
+     * private constructor created with no argument
+     * to avoid default constructor
+     */
+    private CambriaApiVersionInfo()
+    {
+       
+    }
+    
+    /**
+     * returns version of String type
+     */
+    public static String getVersion() {
+        return VERSION;
+    }
+
+    /** 
+     * 
+     * defines static initialization method
+     * It initializes VERSION Constant
+     * it handles exception in try catch block 
+     * and throws IOException
+     * 
+     */
+    
+    static {
+        String use = null;
+        try {
+            final InputStream is = CambriaApiVersionInfo.class
+                    .getResourceAsStream("/cambriaApiVersion.properties");
+            if (is != null) {
+               PROPS.load(is);
+                use = PROPS.getProperty("cambriaApiVersion", null);
+            }
+        } catch (IOException e) {
+            LOG.error("Failed due to IO EXception:"+e);
+        }
+        VERSION = use;
+    }
+}