Package com.facebook.presto.hive.shaded.org.codehaus.jackson.util

Examples of com.facebook.presto.hive.shaded.org.codehaus.jackson.util.ByteArrayBuilder


     * Encoding used will be UTF-8.
     */
    public byte[] writeValueAsBytes(Object value)
        throws IOException, JsonGenerationException, JsonMappingException
    {       
        ByteArrayBuilder bb = new ByteArrayBuilder(_jsonFactory._getBufferRecycler());
        _configAndWriteValue(_jsonFactory.createJsonGenerator(bb, JsonEncoding.UTF8), value);
        byte[] result = bb.toByteArray();
        bb.release();
        return result;
    }
View Full Code Here


     */
   
    public ByteArrayBuilder _getByteArrayBuilder()
    {
        if (_byteArrayBuilder == null) {
            _byteArrayBuilder = new ByteArrayBuilder();
        } else {
            _byteArrayBuilder.reset();
        }
        return _byteArrayBuilder;
    }
View Full Code Here

     * Will quote given JSON String value using standard quoting, encode
     * results as UTF-8, and return result as a byte array.
     */
    public byte[] quoteAsUTF8(String text)
    {
        ByteArrayBuilder byteBuilder = _byteBuilder;
        if (byteBuilder == null) {
            // no allocator; can add if we must, shouldn't need to
            _byteBuilder = byteBuilder = new ByteArrayBuilder(null);
        }
        int inputPtr = 0;
        int inputEnd = text.length();
        int outputPtr = 0;
        byte[] outputBuffer = byteBuilder.resetAndGetFirstSegment();
       
        main_loop:
        while (inputPtr < inputEnd) {
            final int[] escCodes = CharTypes.get7BitOutputEscapes();

            inner_loop: // ascii and escapes
            while (true) {
                int ch = text.charAt(inputPtr);
                if (ch > 0x7F || escCodes[ch] != 0) {
                    break inner_loop;
                }
                if (outputPtr >= outputBuffer.length) {
                    outputBuffer = byteBuilder.finishCurrentSegment();
                    outputPtr = 0;
                }
                outputBuffer[outputPtr++] = (byte) ch;
                if (++inputPtr >= inputEnd) {
                    break main_loop;
                }
            }               
            if (outputPtr >= outputBuffer.length) {
                outputBuffer = byteBuilder.finishCurrentSegment();
                outputPtr = 0;
            }
            // Ok, so what did we hit?
            int ch = (int) text.charAt(inputPtr++);
            if (ch <= 0x7F) { // needs quoting
                int escape = escCodes[ch];
                // ctrl-char, 6-byte escape...
                outputPtr = _appendByteEscape(ch, escape, byteBuilder, outputPtr);
                outputBuffer = byteBuilder.getCurrentSegment();
                continue main_loop;
            } else if (ch <= 0x7FF) { // fine, just needs 2 byte output
                outputBuffer[outputPtr++] = (byte) (0xc0 | (ch >> 6));
                ch = (0x80 | (ch & 0x3f));
            } else { // 3 or 4 bytes
                // Surrogates?
                if (ch < SURR1_FIRST || ch > SURR2_LAST) { // nope
                    outputBuffer[outputPtr++] = (byte) (0xe0 | (ch >> 12));
                    if (outputPtr >= outputBuffer.length) {
                        outputBuffer = byteBuilder.finishCurrentSegment();
                        outputPtr = 0;
                    }
                    outputBuffer[outputPtr++] = (byte) (0x80 | ((ch >> 6) & 0x3f));
                    ch = (0x80 | (ch & 0x3f));
                } else { // yes, surrogate pair
                    if (ch > SURR1_LAST) { // must be from first range
                        _throwIllegalSurrogate(ch);
                    }
                    // and if so, followed by another from next range
                    if (inputPtr >= inputEnd) {
                        _throwIllegalSurrogate(ch);
                    }
                    ch = _convertSurrogate(ch, text.charAt(inputPtr++));
                    if (ch > 0x10FFFF) { // illegal, as per RFC 4627
                        _throwIllegalSurrogate(ch);
                    }
                    outputBuffer[outputPtr++] = (byte) (0xf0 | (ch >> 18));
                    if (outputPtr >= outputBuffer.length) {
                        outputBuffer = byteBuilder.finishCurrentSegment();
                        outputPtr = 0;
                    }
                    outputBuffer[outputPtr++] = (byte) (0x80 | ((ch >> 12) & 0x3f));
                    if (outputPtr >= outputBuffer.length) {
                        outputBuffer = byteBuilder.finishCurrentSegment();
                        outputPtr = 0;
                    }
                    outputBuffer[outputPtr++] = (byte) (0x80 | ((ch >> 6) & 0x3f));
                    ch = (0x80 | (ch & 0x3f));
                }
            }
            if (outputPtr >= outputBuffer.length) {
                outputBuffer = byteBuilder.finishCurrentSegment();
                outputPtr = 0;
            }
            outputBuffer[outputPtr++] = (byte) ch;
        }
        return _byteBuilder.completeAndCoalesce(outputPtr);
View Full Code Here

     * Will encode given String as UTF-8 (without any quoting), return
     * resulting byte array.
     */
    public byte[] encodeAsUTF8(String text)
    {
        ByteArrayBuilder byteBuilder = _byteBuilder;
        if (byteBuilder == null) {
            // no allocator; can add if we must, shouldn't need to
            _byteBuilder = byteBuilder = new ByteArrayBuilder(null);
        }
        int inputPtr = 0;
        int inputEnd = text.length();
        int outputPtr = 0;
        byte[] outputBuffer = byteBuilder.resetAndGetFirstSegment();
        int outputEnd = outputBuffer.length;
       
        main_loop:
        while (inputPtr < inputEnd) {
            int c = text.charAt(inputPtr++);

            // first tight loop for ascii
            while (c <= 0x7F) {
                if (outputPtr >= outputEnd) {
                    outputBuffer = byteBuilder.finishCurrentSegment();
                    outputEnd = outputBuffer.length;
                    outputPtr = 0;
                }
                outputBuffer[outputPtr++] = (byte) c;
                if (inputPtr >= inputEnd) {
                    break main_loop;
                }
                c = text.charAt(inputPtr++);
            }

            // then multi-byte...
            if (outputPtr >= outputEnd) {
                outputBuffer = byteBuilder.finishCurrentSegment();
                outputEnd = outputBuffer.length;
                outputPtr = 0;
            }
            if (c < 0x800) { // 2-byte
                outputBuffer[outputPtr++] = (byte) (0xc0 | (c >> 6));
            } else { // 3 or 4 bytes
                // Surrogates?
                if (c < SURR1_FIRST || c > SURR2_LAST) { // nope
                    outputBuffer[outputPtr++] = (byte) (0xe0 | (c >> 12));
                    if (outputPtr >= outputEnd) {
                        outputBuffer = byteBuilder.finishCurrentSegment();
                        outputEnd = outputBuffer.length;
                        outputPtr = 0;
                    }
                    outputBuffer[outputPtr++] = (byte) (0x80 | ((c >> 6) & 0x3f));
                } else { // yes, surrogate pair
                    if (c > SURR1_LAST) { // must be from first range
                        _throwIllegalSurrogate(c);
                    }
                    // and if so, followed by another from next range
                    if (inputPtr >= inputEnd) {
                        _throwIllegalSurrogate(c);
                    }
                    c = _convertSurrogate(c, text.charAt(inputPtr++));
                    if (c > 0x10FFFF) { // illegal, as per RFC 4627
                        _throwIllegalSurrogate(c);
                    }
                    outputBuffer[outputPtr++] = (byte) (0xf0 | (c >> 18));
                    if (outputPtr >= outputEnd) {
                        outputBuffer = byteBuilder.finishCurrentSegment();
                        outputEnd = outputBuffer.length;
                        outputPtr = 0;
                    }
                    outputBuffer[outputPtr++] = (byte) (0x80 | ((c >> 12) & 0x3f));
                    if (outputPtr >= outputEnd) {
                        outputBuffer = byteBuilder.finishCurrentSegment();
                        outputEnd = outputBuffer.length;
                        outputPtr = 0;
                    }
                    outputBuffer[outputPtr++] = (byte) (0x80 | ((c >> 6) & 0x3f));
                }
            }
            if (outputPtr >= outputEnd) {
                outputBuffer = byteBuilder.finishCurrentSegment();
                outputEnd = outputBuffer.length;
                outputPtr = 0;
            }
            outputBuffer[outputPtr++] = (byte) (0x80 | (c & 0x3f));
        }
View Full Code Here

     * data is returned.
     */
    public byte[] getBinaryValue(Base64Variant b64variant)
        throws IOException
    {
        ByteArrayBuilder builder = new ByteArrayBuilder(100);
        final String str = _value;
        int ptr = 0;
        int len = str.length();

        main_loop:
        while (ptr < len) {
            // first, we'll skip preceding white space, if any
            char ch;
            do {
                ch = str.charAt(ptr++);
                if (ptr >= len) {
                    break main_loop;
                }
            } while (ch <= INT_SPACE);
            int bits = b64variant.decodeBase64Char(ch);
            if (bits < 0) {
                _reportInvalidBase64(b64variant, ch, 0);
            }
            int decodedData = bits;
            // then second base64 char; can't get padding yet, nor ws
            if (ptr >= len) {
                _reportBase64EOF();
            }
            ch = str.charAt(ptr++);
            bits = b64variant.decodeBase64Char(ch);
            if (bits < 0) {
                _reportInvalidBase64(b64variant, ch, 1);
            }
            decodedData = (decodedData << 6) | bits;
            // third base64 char; can be padding, but not ws
            if (ptr >= len) {
                // but as per [JACKSON-631] can be end-of-input, iff not using padding
                if (!b64variant.usesPadding()) {
                    // Got 12 bits, only need 8, need to shift
                    decodedData >>= 4;
                    builder.append(decodedData);
                    break;
                }
                _reportBase64EOF();
            }
            ch = str.charAt(ptr++);
            bits = b64variant.decodeBase64Char(ch);

            // First branch: can get padding (-> 1 byte)
            if (bits < 0) {
                if (bits != Base64Variant.BASE64_VALUE_PADDING) {
                    _reportInvalidBase64(b64variant, ch, 2);
                }
                // Ok, must get padding
                if (ptr >= len) {
                    _reportBase64EOF();
                }
                ch = str.charAt(ptr++);
                if (!b64variant.usesPaddingChar(ch)) {
                    _reportInvalidBase64(b64variant, ch, 3, "expected padding character '"+b64variant.getPaddingChar()+"'");
                }
                // Got 12 bits, only need 8, need to shift
                decodedData >>= 4;
                builder.append(decodedData);
                continue;
            }
            // Nope, 2 or 3 bytes
            decodedData = (decodedData << 6) | bits;
            // fourth and last base64 char; can be padding, but not ws
            if (ptr >= len) {
                // but as per [JACKSON-631] can be end-of-input, iff not using padding
                if (!b64variant.usesPadding()) {
                    decodedData >>= 2;
                    builder.appendTwoBytes(decodedData);
                    break;
                }
                _reportBase64EOF();
            }
            ch = str.charAt(ptr++);
            bits = b64variant.decodeBase64Char(ch);
            if (bits < 0) {
                if (bits != Base64Variant.BASE64_VALUE_PADDING) {
                    _reportInvalidBase64(b64variant, ch, 3);
                }
                decodedData >>= 2;
                builder.appendTwoBytes(decodedData);
            } else {
                // otherwise, our triple is now complete
                decodedData = (decodedData << 6) | bits;
                builder.appendThreeBytes(decodedData);
            }
        }
        return builder.toByteArray();
    }
View Full Code Here

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