Improve toString() for debugging.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1465178 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/main/java/org/apache/commons/codec/binary/BaseNCodec.java

@@ -17,6 +17,8 @@
 
 package org.apache.commons.codec.binary;
 
+import java.util.Arrays;
+
 import org.apache.commons.codec.BinaryDecoder;
 import org.apache.commons.codec.BinaryEncoder;
 import org.apache.commons.codec.DecoderException;
@@ -98,9 +100,9 @@ static class Context {
         @SuppressWarnings("boxing") // OK to ignore boxing here
         @Override
         public String toString() {
-            return String.format("%s[buffer=%s, currentLinePos=%s, eof=%s, ibitWorkArea=%s, lbitWorkArea=%s, " +
-                    "modulus=%s, pos=%s, readPos=%s]", this.getClass().getSimpleName(), buffer, currentLinePos, eof,
-                    ibitWorkArea, lbitWorkArea, modulus, pos, readPos);
+            return String.format("%s[buffer=%s, currentLinePos=%s, eof=%s, ibitWorkArea=%s, lbitWorkArea=%s, "
+                    + "modulus=%s, pos=%s, readPos=%s]", this.getClass().getSimpleName(), Arrays.toString(buffer),
+                    currentLinePos, eof, ibitWorkArea, lbitWorkArea, modulus, pos, readPos);
         }
     }