Examples of java.nio.charset.CharsetEncoder.encode()

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

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

        Charset charset = provider.charsetForName("iso-2022-jp");
        CharsetEncoder encoder = charset.newEncoder();
        CharsetDecoder decoder = charset.newDecoder();
        
        try {
            encoder.encode(CharBuffer.allocate(10), null, true);
            errln("Illegal argument exception should have been thrown due to null target.");
        } catch (Exception ex) {
        }
        
        try {

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        cb = CharBuffer.wrap(chararray);
        bb = ByteBuffer.allocate(10);
        
        bb.limit(2);
        cb.limit(4);
        result = encoder.encode(cb, bb, false);
        if (result.isError()) {
            errln("Error occurred while encoding: " + charsetName + " with error: " + result);
        }
        cb.limit(5);
        result = encoder.encode(cb, bb, false);

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        result = encoder.encode(cb, bb, false);
        if (result.isError()) {
            errln("Error occurred while encoding: " + charsetName + " with error: " + result);
        }
        cb.limit(5);
        result = encoder.encode(cb, bb, false);
        if (result.isError()) {
            errln("Error occurred while encoding: " + charsetName + " with error: " + result);
        }
        cb.limit(6);
        result = encoder.encode(cb, bb, true);

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        result = encoder.encode(cb, bb, false);
        if (result.isError()) {
            errln("Error occurred while encoding: " + charsetName + " with error: " + result);
        }
        cb.limit(6);
        result = encoder.encode(cb, bb, true);
        if (!result.isError()) {
            errln("Error should have occurred while encoding: " + charsetName);
        }
    }

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                encoderBuffer.position(0);
                if(!decoderResult.equals(encoderBuffer)){
                    errln("Error occured while decoding "+ charset.name());
                }
                // Encoding 
                ByteBuffer encoderResult = encode.encode(encoderBuffer);
                // RoundTrip Test
                ByteBuffer roundTrip = encoderResult;
                CharBuffer roundTripResult = decode.decode(roundTrip);
                encoderBuffer.position(0);
                if(!roundTripResult.equals(encoderBuffer)){

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            encoderBuffer.position(0);
            if(!decoderResult.equals(encoderBuffer)){
                errln("Error occured while decoding "+ charset.name());
            }
            // Encoding 
            ByteBuffer encoderResult = encode.encode(encoderBuffer);
            // RoundTrip Test
            ByteBuffer roundTrip = encoderResult;
            CharBuffer roundTripResult = decode.decode(roundTrip);
            
            encoderBuffer.position(0);

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                    errln("Incorrect result in " + converter + " decoder for 0x"
                            + Integer.toHexString(i) + " received " + cr);
                    break;
                }
                encoder.reset();
                cr = encoder.encode(us, bs, true);
                bs.rewind();
                us.rewind();
                if (!cr.isMalformed() || cr.length() != 1) {
                    errln("Incorrect result in " + converter + " encoder for 0x"
                            + Integer.toHexString(i) + " received " + cr);

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                    errln("Incorrect result in " + converter + " decoder for 0x"
                            + Integer.toHexString(i) + " received " + cr);
                    break;
                }
                encoder.reset();
                cr = encoder.encode(us, bs, true);
                bs.rewind();
                us.rewind();
                if (!cr.isMalformed() || cr.length() != 1) {
                    errln("Incorrect result in " + converter + " encoder for 0x"
                            + Integer.toHexString(i) + " received " + cr);

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        Charset icuChar = icu.charsetForName(converter);
        CharsetEncoder encoder = icuChar.newEncoder();
        CharsetDecoder decoder = icuChar.newDecoder();
        try {
            CharBuffer start = CharBuffer.wrap(in);
            ByteBuffer bytes = encoder.encode(start);
            CharBuffer finish = decoder.decode(bytes);
            
            if (!equals(start, finish)) {
                errln(converter + " roundtrip test failed: start does not match finish");

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        for (int i = 0; i < testLoopSize; i++) {
            encoder.reset();
            bb.limit(bbLimits[i]);
            bb.position(bbPositions[i]);
            cb.position(ccPositions[i]);
            result = encoder.encode(cb, bb, true);
            
            if (i < 3) {
                if (!result.isOverflow()) {
                    errln("Overflow buffer error should have occurred while encoding HZ (" + i + ")");
                }

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