pom.xml

@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.jruby.jcodings</groupId>
   <artifactId>jcodings</artifactId>
-  <version>1.0.45-SNAPSHOT</version>
+  <version>1.0.46-SNAPSHOT</version>
   <name>JCodings</name>
   <description>Byte based encoding support library for java</description>
   <parent>

scripts/generate.rb

@@ -80,6 +80,7 @@ def generate_encoding_list
 
     defines, other = open("#{REPO_PATH}/encdb.h").read.tr('()', '').scan(/ENC_([A-Z_]+)(.*?);/m).partition { |a, b| a =~ /DEFINE/ }
     other << ["ALIAS", "\"MS932\", \"Windows-31J\""]
+    other << ["ALIAS", "\"UTF8\", \"UTF-8\""]
 
     open("#{SRC_DIR}/EncodingList.java", "wb") { |f| f << open("EncodingListTemplate.java", "rb").read.
         sub(/%\{defines\}/, defines.map { |cmd, name| "#{INDENT*2}EncodingDB.declare(#{name}, \"#{enc_map[name[/[^"]+/]] || (raise 'class not found for encoding ' + name)}\");" }.join("\n")).

src/org/jcodings/EncodingList.java

@@ -194,6 +194,7 @@ final class EncodingList {
         EncodingDB.replicate("UTF8-SoftBank", "UTF-8");
         EncodingDB.replicate("SJIS-SoftBank", "Windows-31J");
         EncodingDB.alias("MS932", "Windows-31J");
+        EncodingDB.alias("UTF8", "UTF-8");
     }
 
     public static Encoding getInstance(String name) {

src/org/jcodings/spi/ISO_8859_16.java

@@ -20,6 +20,7 @@
 
 package org.jcodings.spi;
 
+import java.nio.Buffer;
 import java.nio.ByteBuffer;
 import java.nio.CharBuffer;
 import java.nio.charset.Charset;
@@ -174,7 +175,7 @@ public class ISO_8859_16 extends Charset {
 
                 if (replace != null) {
                     if (out.remaining() < replace.length) {
-                        in.position(in.position() - 1);
+                        ((Buffer) in).position(in.position() - 1);
                         return CoderResult.OVERFLOW;
                     } else {
                         out.put(replace);