Fixed checkstyle reported errors/warnings.

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1714425 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/maven/shared/mapping/MappingUtils.java b/src/main/java/org/apache/maven/shared/mapping/MappingUtils.java
index ffeee81..bd6086e 100644
--- a/src/main/java/org/apache/maven/shared/mapping/MappingUtils.java
+++ b/src/main/java/org/apache/maven/shared/mapping/MappingUtils.java
@@ -47,8 +47,14 @@
  */
 public class MappingUtils
 {
+    /**
+     * Default file name mapping.
+     */
     public static final String DEFAULT_FILE_NAME_MAPPING = "@{artifactId}@-@{baseVersion}@.@{extension}@";
 
+    /**
+     * Default file name mapping incl. classifier.
+     */
     public static final String DEFAULT_FILE_NAME_MAPPING_CLASSIFIER =
         "@{artifactId}@-@{baseVersion}@-@{classifier}@.@{extension}@";
 
@@ -57,6 +63,7 @@
      *
      * @param expression the expression to evaluate
      * @param artifact the artifact to use as value object for tokens
+     * @throws InterpolationException In case of an error.
      * @return expression the evaluated expression
      */
     public static String evaluateFileNameMapping( String expression, Artifact artifact )