[CODEC-96] Base64 encode() method is no longer thread-safe, breaking clients using it as a shared BinaryEncoder. Make Context ivar final.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1309062 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

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

@@ -38,7 +38,7 @@ public class BaseNCodecInputStream extends FilterInputStream {
 
     private final byte[] singleByte = new byte[1];
 
-    private Context context = new Context();
+    private final Context context = new Context();
 
     protected BaseNCodecInputStream(InputStream in, BaseNCodec baseNCodec, boolean doEncode) {
         super(in);

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

@@ -38,7 +38,7 @@ public class BaseNCodecOutputStream extends FilterOutputStream {
 
     private final byte[] singleByte = new byte[1];
 
-    private Context context = new Context();
+    private final Context context = new Context();
 
     // TODO should this be protected?
     public BaseNCodecOutputStream(OutputStream out, BaseNCodec basedCodec, boolean doEncode) {