Examples of java.nio.charset.CharsetDecoder.decode()

java.nio.charset.CharsetDecoder.decode()
This is a facade method for decoding operation.
This method decodes the remaning byte sequence of the given byte buffer into a new character buffer. This method performs a complete decoding operation, resets at first, then decodes, and flushes at last.

This method should not be invoked if another decode operation is ongoing.
@param in the input buffer @return a new CharBuffer containing the the charactersproduced by this decoding operation. The buffer's limit will be the position of last character in buffer, and the position will be zero @throws IllegalStateException if another decoding operation is ongoing @throws MalformedInputException if illegal input byte sequence for this charset encountered, and the action for malformed error is {@link CodingErrorAction#REPORT CodingErrorAction.REPORT} @throws UnmappableCharacterException if legal but unmappable input byte sequence for this charset encountered, and the action for unmappable character error is {@link CodingErrorAction#REPORT CodingErrorAction.REPORT}. Unmappable means the byte sequence at the input buffer's current postion cannot be mapped to a Unicode character sequence. @throws CharacterCodingException if other exception happened during the decode operation

    }
    ByteBuffer partToDecode = in.slice();
    partToDecode.limit(length);
    CharBuffer cb;
    try {
      cb = decoder.decode(partToDecode);
      in.position(in.position() + length);
    } catch (CharacterCodingException e) {
      // should never happen
      throw new RuntimeException(e);
    }

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            decoder = Charset.forName("x-JISAutoDetect").newDecoder();
        } catch (UnsupportedCharsetException e) {
            throw runtime.newStandardError("charsets.jar is required to use NKF#guess. Please install JRE which supports m17n.");
        }
        try {
            decoder.decode(buf);
        } catch (CharacterCodingException e) {
            return runtime.newFixnum(UNKNOWN.getValue());
        }
        if (!decoder.isCharsetDetected()) {
            return runtime.newFixnum(UNKNOWN.getValue());

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            }


            ByteBuffer buf = ByteBuffer.wrap(str.getUnsafeBytes(), str.begin(), str.length());


            try {
                CharBuffer cbuf = decoder.decode(buf);
                encoder.onUnmappableCharacter(java.nio.charset.CodingErrorAction.IGNORE);
                buf = encoder.encode(cbuf);
            } catch (CharacterCodingException e) {
                throw context.getRuntime().newArgumentError("invalid encoding");
            }

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            CharsetDecoder decoder = charset.newDecoder()
            .onMalformedInput(CodingErrorAction.REPLACE)
            .onUnmappableCharacter(CodingErrorAction.REPLACE);
            
            ByteBuffer bb = ByteBuffer.wrap(os.toByteArray());
            String result = decoder.decode(bb).toString();
            
            String searchStr = "<td bgcolor=white class=s><div style=padding:10px;>";
            int idx = result.indexOf(searchStr);
            if(idx == -1)
                return null;

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    Charset charset = Charset.forName("ISO-8859-1");
      CharsetDecoder decoder = charset.newDecoder();
      CharsetEncoder encoder = charset.newEncoder();      
      try {
          ByteBuffer bbuf = encoder.encode(CharBuffer.wrap(s));
          CharBuffer cbuf = decoder.decode(bbuf);
          return cbuf.toString();
      } catch (CharacterCodingException e) {
        s = s.replaceAll("[^A-Za-z0-9_+-]", "_");
        try {
          ByteBuffer bbuf = encoder.encode(CharBuffer.wrap(s));

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          return cbuf.toString();
      } catch (CharacterCodingException e) {
        s = s.replaceAll("[^A-Za-z0-9_+-]", "_");
        try {
          ByteBuffer bbuf = encoder.encode(CharBuffer.wrap(s));
          CharBuffer cbuf = decoder.decode(bbuf);
          return cbuf.toString();
        } catch (CharacterCodingException ee) {
          return null;
        }
      }

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            //Get the charset based on the encoding or return the default if 
            //encoding == null
            Charset charset = (encoding == null) ? 
                    Charset.defaultCharset() : Charset.forName(encoding);
            CharsetDecoder decoder = charset.newDecoder();
            CharBuffer decodedBuffer = decoder.decode(
                    ByteBuffer.wrap(_byteArrayOutputStream.getInnerArray(),
                            0,_byteArrayOutputStream.getInnerCount()));
            if (decodedBuffer.hasArray()){
                out.write(decodedBuffer.array());
            }

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            try
            {
              client.read(buffer);
              buffer.flip();


              CharBuffer charBuffer = decoder.decode(buffer);
              int noOfParams = Integer.parseInt(charBuffer
                  .toString());


              for (int i = 0; i < noOfParams; i++)
              {

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                ByteBuffer lengthOfKey = ByteBuffer
                    .allocate(LENGTH);
                client.read(lengthOfKey);
                lengthOfKey.flip();


                CharBuffer keyCharBuffer = decoder
                    .decode(lengthOfKey);
                int keyLength = Integer.parseInt(keyCharBuffer
                    .toString());


                // KeyName

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                ByteBuffer keyNameBuffer = ByteBuffer
                    .allocate(keyLength);
                client.read(keyNameBuffer);
                keyNameBuffer.flip();


                CharBuffer keyNameCharBuffer = decoder
                    .decode(keyNameBuffer);
                keyName = keyNameCharBuffer.toString();


                // ValueLength
                ByteBuffer lengthOfValue = ByteBuffer

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