Extracted repeating strings; added annotations

Change-Id: Ibe92169b6819f032f5609849f785c22d76ffc237
Issue-ID: AAI-1239
Signed-off-by: Wiktor Garbarek <wiktor.garbarek@nokia.com>

3 files changed, 6 insertions, 3 deletions

diff --git a/src/main/java/org/onap/aai/auth/AAIMicroServiceAuthCore.java b/src/main/java/org/onap/aai/auth/AAIMicroServiceAuthCore.java
index 648d9d0..0c26eb3 100644
--- a/src/main/java/org/onap/aai/auth/AAIMicroServiceAuthCore.java
+++ b/src/main/java/org/onap/aai/auth/AAIMicroServiceAuthCore.java
@@ -43,10 +43,11 @@ public class AAIMicroServiceAuthCore {
 
     private static LogHelper applicationLogger = LogHelper.INSTANCE;
 
+    public static final String CONFIG_HOME = "CONFIG_HOME";
     public static final String FILESEP =
             (System.getProperty("file.separator") == null) ? "/" : System.getProperty("file.separator");
-    public static final String APPCONFIG_DIR = (System.getProperty("CONFIG_HOME") == null)
-            ? System.getProperty("APP_HOME") + FILESEP + "appconfig" : System.getProperty("CONFIG_HOME");
+    public static final String APPCONFIG_DIR = (System.getProperty(CONFIG_HOME) == null)
+            ? System.getProperty("APP_HOME") + FILESEP + "appconfig" : System.getProperty(CONFIG_HOME);
 
     private static String appConfigAuthDir = APPCONFIG_DIR + FILESEP + "auth";
     private static String defaultAuthFileName = appConfigAuthDir + FILESEP + "auth_policy.json";
@@ -85,7 +86,7 @@ public class AAIMicroServiceAuthCore {
             throw new AAIAuthException(e.getMessage());
         }
         if (policyAuthFileName == null) {
-            throw new AAIAuthException("Auth policy file could not be found" + System.getProperty("CONFIG_HOME") + APPCONFIG_DIR);
+            throw new AAIAuthException("Auth policy file could not be found" + System.getProperty(CONFIG_HOME) + APPCONFIG_DIR);
         }
         AAIMicroServiceAuthCore.reloadUsers();
 
diff --git a/src/main/java/org/onap/aai/babel/service/GenerateArtifactsService.java b/src/main/java/org/onap/aai/babel/service/GenerateArtifactsService.java
index 33f6f1a..205d208 100644
--- a/src/main/java/org/onap/aai/babel/service/GenerateArtifactsService.java
+++ b/src/main/java/org/onap/aai/babel/service/GenerateArtifactsService.java
@@ -36,6 +36,7 @@ import org.onap.aai.auth.AAIAuthException;
 @Path("/app")
 @Consumes(MediaType.APPLICATION_JSON)
 @Produces(MediaType.APPLICATION_JSON)
+@FunctionalInterface
 public interface GenerateArtifactsService {
 
     @POST
diff --git a/src/main/java/org/onap/aai/babel/xml/generator/ArtifactGenerator.java b/src/main/java/org/onap/aai/babel/xml/generator/ArtifactGenerator.java
index 3d07a7a..6558ed5 100644
--- a/src/main/java/org/onap/aai/babel/xml/generator/ArtifactGenerator.java
+++ b/src/main/java/org/onap/aai/babel/xml/generator/ArtifactGenerator.java
@@ -24,6 +24,7 @@ import java.util.List;
 import org.onap.aai.babel.service.data.BabelArtifact;
 import org.onap.aai.babel.xml.generator.data.Artifact;
 
+@FunctionalInterface
 public interface ArtifactGenerator {
 
     /**