Fix up some generics warnings as best we can

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1465689 13f79535-47bb-0310-9956-ffa450edef68

Author: sebbASF

src/main/java/org/apache/commons/codec/StringEncoderComparator.java

@@ -28,6 +28,7 @@
  *
  * @version $Id$
  */
+@SuppressWarnings("rawtypes") // TODO ought to implement Comparator<String> but that's not possible whilst maintaining binary compatibility 
 public class StringEncoderComparator implements Comparator {
 
     /**
@@ -75,8 +76,10 @@ public int compare(final Object o1, final Object o2) {
         int compareCode = 0;
 
         try {
-            final Comparable s1 = (Comparable) this.stringEncoder.encode(o1);
-            final Comparable s2 = (Comparable) this.stringEncoder.encode(o2);
+            @SuppressWarnings("unchecked") // May fail with CCE if encode returns something that is not Comparable
+            // However this was always the case.
+            final Comparable<Comparable<?>> s1 = (Comparable<Comparable<?>>) this.stringEncoder.encode(o1);
+            final Comparable<?> s2 = (Comparable<?>) this.stringEncoder.encode(o2);
             compareCode = s1.compareTo(s2);
         } catch (final EncoderException ee) {
             compareCode = 0;