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


  // Decode the file into a char buffer
        // Charset and decoder for ISO-8859-15
        Charset charset = Charset.forName("ISO-8859-15");
        CharsetDecoder decoder = charset.newDecoder();
  CharBuffer cb = decoder.decode(bb);


        Matcher matcher = pattern.matcher(cb);
        String outString = matcher.replaceAll(substituteReplacement);
        log.debug(outString);

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            while (true) {
                // We pass true for endOfInput because, when
                // we are called, we should have seen a
                // complete sequence of characters for this
                // charset:
                final CoderResult result = decoder.decode(pendingByteBuffer, outputBuffer, true);


                final int pos = outputBuffer.position();
                if (pos > 0) {
                    if (inHeader || fieldState == 1) {
                        pendingBuffer.append(outputArray, 0, pos);

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      CharsetDecoder utf8Decoder = Charset.forName("UTF-8").newDecoder();
      utf8Decoder.onMalformedInput(CodingErrorAction.IGNORE);
      utf8Decoder.onUnmappableCharacter(CodingErrorAction.IGNORE);


      // Throws CharacterCodingException.
      CharBuffer parsed = utf8Decoder.decode(ByteBuffer.wrap(utf8Bytes));
      parametersLine = parsed.toString();


      MultiMap<String> parameters = new UrlEncoded(parametersLine);
      CallbackHandler callbackHandler = new HttpRequestBasedCallbackHandler(parameters);

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        MappedByteBuffer byteMapper = inChannel.map(FileChannel.MapMode.READ_ONLY, 0, (int) inFile.length());


        CharsetDecoder inDecoder = inCharset.newDecoder();
        CharsetEncoder outEncoder = outCharset.newEncoder();


        CharBuffer cb = inDecoder.decode(byteMapper);
        ByteBuffer outBuffer = null;
        try {
            outBuffer = outEncoder.encode(cb);


            RandomAccessFile outRandom = null;

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            if (barray.length == offset) {
                bbuff.position(0);
                bbuff.limit(barray.length);
                cbuff.position(0);
                cbuff.limit(carray.length);
                res = decoder.decode(bbuff, cbuff, false);
                if (res.isError()) {
                    throw new IOException("Decoding error: " + res.toString());
                }
                offset = bbuff.remaining();
                switch (offset) {

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        }
        bbuff.position(0);
        bbuff.limit(offset);
        cbuff.position(0);
        cbuff.limit(carray.length);
        res = decoder.decode(bbuff, cbuff, true);
        if (res.isError()) {
            System.out.println("Error");
        }
        sb.append(carray, 0, cbuff.position());
        cbuff.position(0);

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    // the term might not be text, but usually is. so we make a best effort
    CharsetDecoder decoder = IOUtils.CHARSET_UTF_8.newDecoder()
        .onMalformedInput(CodingErrorAction.REPORT)
        .onUnmappableCharacter(CodingErrorAction.REPORT);
    try {
      return decoder.decode(ByteBuffer.wrap(termText.bytes, termText.offset, termText.length)).toString();
    } catch (CharacterCodingException e) {
      return termText.toString();
    }
  }

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      // This test is turning random bytes into a string,
      // this is asking for trouble.
      CharsetDecoder decoder = IOUtils.CHARSET_UTF_8.newDecoder()
          .onUnmappableCharacter(CodingErrorAction.REPLACE)
          .onMalformedInput(CodingErrorAction.REPLACE);
      uniqueValues[i] = decoder.decode(ByteBuffer.wrap(buffer, 0, size)).toString();
      // we cannot have empty path components, so eliminate all prefix as well
      // as middle consecuive delimiter chars.
      uniqueValues[i] = uniqueValues[i].replaceAll("/+", "/");
      if (uniqueValues[i].startsWith("/")) {
        uniqueValues[i] = uniqueValues[i].substring(1);

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      // This test is turning random bytes into a string,
      // this is asking for trouble.
      CharsetDecoder decoder = IOUtils.CHARSET_UTF_8.newDecoder()
          .onUnmappableCharacter(CodingErrorAction.REPLACE)
          .onMalformedInput(CodingErrorAction.REPLACE);
      String s = decoder.decode(ByteBuffer.wrap(buffer, 0, size)).toString();
      array.append(s);
      builder.append(s);
    }


    for (int i = 0; i < n; i++) {

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      // This test is turning random bytes into a string,
      // this is asking for trouble.
      CharsetDecoder decoder = IOUtils.CHARSET_UTF_8.newDecoder()
          .onUnmappableCharacter(CodingErrorAction.REPLACE)
          .onMalformedInput(CodingErrorAction.REPLACE);
      String s = decoder.decode(ByteBuffer.wrap(buffer, 0, size)).toString();
      array.append((CharSequence)s);
      builder.append(s);
    }


    for (int i = 0; i < n; i++) {

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