Add final modifier where possible.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/email/trunk@1692734 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/commons/mail/HtmlEmail.java b/src/main/java/org/apache/commons/mail/HtmlEmail.java
index 01e42e7..fddbe74 100644
--- a/src/main/java/org/apache/commons/mail/HtmlEmail.java
+++ b/src/main/java/org/apache/commons/mail/HtmlEmail.java
@@ -471,7 +471,7 @@
         try
         {
             // URL encode the cid according to RFC 2392
-            String encodedCid = EmailUtils.encodeUrl(cid);
+            final String encodedCid = EmailUtils.encodeUrl(cid);
 
             mbp.setDataHandler(new DataHandler(dataSource));
             mbp.setFileName(name);
diff --git a/src/test/java/org/apache/commons/mail/ImageHtmlEmailTest.java b/src/test/java/org/apache/commons/mail/ImageHtmlEmailTest.java
index e8f85fc..4e4f932 100644
--- a/src/test/java/org/apache/commons/mail/ImageHtmlEmailTest.java
+++ b/src/test/java/org/apache/commons/mail/ImageHtmlEmailTest.java
@@ -498,8 +498,8 @@
         }
 
         @Override
-        public DataSource resolve(String resourceLocation, boolean isLenient) throws IOException {
-            javax.mail.util.ByteArrayDataSource ds =
+        public DataSource resolve(final String resourceLocation, final boolean isLenient) throws IOException {
+            final javax.mail.util.ByteArrayDataSource ds =
                     (javax.mail.util.ByteArrayDataSource) super.resolve(resourceLocation, isLenient);
             ds.setName(null);
             return ds;
diff --git a/src/test/java/org/apache/commons/mail/resolver/AbstractDataSourceResolverTest.java b/src/test/java/org/apache/commons/mail/resolver/AbstractDataSourceResolverTest.java
index 0151613..7466b0b 100644
--- a/src/test/java/org/apache/commons/mail/resolver/AbstractDataSourceResolverTest.java
+++ b/src/test/java/org/apache/commons/mail/resolver/AbstractDataSourceResolverTest.java
@@ -31,7 +31,7 @@
     {
         if(dataSource != null)
         {
-            InputStream is = dataSource.getInputStream();
+            final InputStream is = dataSource.getInputStream();
             try {
                 return IOUtils.toByteArray(is);
             } finally {