proper code formatting for ObjectsUtils

jsjem · jsjem · commit 54b86dcc0bb6 · 2018-04-17T12:54:53.000+03:00
diff --git a/rollbar-java/src/main/java/com/rollbar/notifier/util/ObjectsUtils.java b/rollbar-java/src/main/java/com/rollbar/notifier/util/ObjectsUtils.java
@@ -11,32 +11,45 @@
  * Helper class that provides Java 7 features.
  */
 public class ObjectsUtils {
-	
+
   private static Logger logger = LoggerFactory.getLogger(ObjectsUtils.class);
-	
+
   public static boolean equals(Object object1, Object object2) {
     return object1 == object2 || object1 != null && object1.equals(object2);
   }
-	
+
   public static int hash(Object... objects) {
     return Arrays.hashCode(objects);
   }
-	
+
+  /**
+   * Checks that the specified object reference is not null.
+   *
+   * @param object the object reference to check for nullity
+   * @param errorMessage detail message to be used in the event that a NullPointerException is thrown
+   * @param <T> the type of the reference
+   * @return object if not null
+   */
   public static <T> T requireNonNull(T object, String errorMessage) {
     if (object == null) {
       throw new NullPointerException(errorMessage);
     } else {
-  	  return object;
+      return object;
     }
   }
-	
+
+  /**
+   * Closes stream if possible.
+   *
+   * @param closeable the closable implementation to close
+   */
   public static void close(final Closeable closeable) {
-  	 try {
-  	   if (closeable != null) {
-  	  	  closeable.close();
-  	   }
-  	 } catch (IOException e) {
-  	   logger.error("Unable to close stream.", e);
-  	 }
+    try {
+      if (closeable != null) {
+        closeable.close();
+      }
+    } catch (IOException e) {
+      logger.error("Unable to close stream.", e);
+    }
   }
 }
