Examples of org.codehaus.stax2.typed.Base64Variant

org.codehaus.stax2.typed.Base64Variant
kipedia.org/wiki/Base64">Base64 Wikipedia entry for details.
Implementation notes:
- The main complication here is trying to limit access to the underlying efficient encoding/decoding tables -- they are needed for fast operation, but it is potentially risky to expose raw arrays since they can not be protected against modification. The approach here is to try to limit access essentially to the main base64 codec classes; but this leads to bit awkward class structure
@author Tatu Saloranta @since 3.0.0

                Base64Variant b64variant = sBase64Variants[bv];
                for (int i = 0; i < LEN_ATTR.length; ++i) {
                    int size = LEN_ATTR[i];
                    byte[] data = generateData(new Random(size), size);
                    char[] buffer = new char[4 + (data.length * 3 / 2)];
                    AsciiValueEncoder enc = new ValueEncoderFactory().getEncoder(b64variant, data, 0, data.length);
                    int len = enc.encodeMore(buffer, 0, buffer.length);
                    StringBuilder sb = new StringBuilder(buffer.length + 32);
                    sb.append("<root attr='");
                    sb.append(buffer, 0, len);
                    sb.append("' />");

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        for (int bv = 0; bv < sPaddingVariants.length; ++bv) {
            Base64Variant b64variant = sPaddingVariants[bv];


            // So first we'll encode 1 to 6 bytes as base64
            for (int i = 1; i <= data.length; ++i) {
                AsciiValueEncoder enc = new ValueEncoderFactory().getEncoder(b64variant, data, 0, i);
                char[] cbuf = new char[20];
                int clen = enc.encodeMore(cbuf, 0, cbuf.length);
                
                // and use all byte last 1, 2 or 3 chars
                for (int j = 1; j <= 3; ++j) {

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    }


    private String buildDoc(Base64Variant b64variant, Random r, byte[] data, boolean addNoise)
    {
        // Let's use base64 codec from RI here:
        AsciiValueEncoder enc = new ValueEncoderFactory().getEncoder(b64variant, data, 0, data.length);


        StringBuffer sb = new StringBuffer(data.length * 2);
        sb.append("<root>");


        // Without noise it's quite easy, just need enough space:

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        StringBuffer sb = new StringBuffer(16 + dataTable.length * dataTable[0].length);
        sb.append("<root>");
        for (int i = 0; i < dataTable.length; ++i) {
            byte[] data = dataTable[i];
            char[] buffer = new char[4 + (data.length * 3 / 2)];
            AsciiValueEncoder enc = new ValueEncoderFactory().getEncoder(b64variant, data, 0, data.length);
            int len = enc.encodeMore(buffer, 0, buffer.length);
            sb.append("<a>");
            sb.append(buffer, 0, len);
            sb.append("</a>");
        }

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    }


    public void writeBinary(byte[] value, int from, int length)
        throws XMLStreamException
    {
        Base64Variant v = Base64Variants.getDefaultVariant();
        writeTypedElement(valueEncoderFactory().getEncoder(v, value, from, length));
    }

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    }


    public void writeBinaryAttribute(String prefix, String nsURI, String localName, byte[] value)
        throws XMLStreamException
    {
        Base64Variant v = Base64Variants.getDefaultVariant();
        writeTypedAttribute(prefix, nsURI, localName,
                            valueEncoderFactory().getEncoder(v, value, 0, value.length));
    }

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    }


    public void writeBinary(byte[] value, int from, int length)
        throws XMLStreamException
    {
        Base64Variant v = Base64Variants.getDefaultVariant();
        writeTypedElement(valueEncoderFactory().getEncoder(v, value, from, length));
    }

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    }


    public void writeBinaryAttribute(String prefix, String nsURI, String localName, byte[] value)
        throws XMLStreamException
    {
        Base64Variant v = Base64Variants.getDefaultVariant();
        writeTypedAttribute(prefix, nsURI, localName,
                            valueEncoderFactory().getEncoder(v, value, 0, value.length));
    }

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    @Override
    public void writeBinary(byte[] value, int from, int length)
        throws XMLStreamException
    {
        Base64Variant v = Base64Variants.getDefaultVariant();
        writeTypedElement(valueEncoderFactory().getEncoder(v, value, from, length));
    }

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    @Override
    public void writeBinaryAttribute(String prefix, String nsURI, String localName, byte[] value)
        throws XMLStreamException
    {
        Base64Variant v = Base64Variants.getDefaultVariant();
        writeTypedAttribute(prefix, nsURI, localName,
                            valueEncoderFactory().getEncoder(v, value, 0, value.length));
    }

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