File list (Check if you may need any files):
2Big5_Solaris.java
BDelegatableDecoder.java
DDoubleByte.java
DoubleByteDecoder.java
DoubleByteEncoder.java
EUC_JP.java
EUC_JP_LINUX.java
EUC_JP_Open.java
EUC_TW.java
ExtendedCharsets.java
GB18030.java
HKSCS.java
IBM33722.java
IBM834.java
IBM942C.java
IBM943C.java
IBM949C.java
ISCII91.java
ISO2022.java
ISO2022_CN.java
ISO2022_CN_CNS.java
ISO2022_CN_GB.java
ISO2022_JP.java
ISO2022_JP_2.java
ISO2022_KR.java
JISAutoDetect.java
JIS_X_0201.java
JIS_X_0208.java
JIS_X_0208_Decoder.java
JIS_X_0208_MS5022X_Decoder.java
JIS_X_0208_MS932_Decoder.java
JIS_X_0208_Solaris_Decoder.java
JIS_X_0208_Solaris_Encoder.java
JIS_X_0212.java
JIS_X_0212_Decoder.java
JIS_X_0212_Encoder.java
JIS_X_0212_MS5022X_Decoder.java
JIS_X_0212_MS5022X_Encoder.java
JIS_X_0212_Solaris_Decoder.java
META-INF
META-INF\services
META-INF\services\java.nio.charset.spi.CharsetProvider
MS50220.java
MS50221.java
MS932_0213.java
MS950_HKSCS.java
MS950_HKSCS_XP.java
MSISO2022JP.java
PCK.java
SimpleEUCEncoder.java
SJIS.java
SJIS_0213.java
vBig5_HKSCS.java
wBig5_HKSCS_2001.java