Example usage for org.apache.poi.hpsf IllegalVariantTypeException IllegalVariantTypeException

Introduction

In this page you can find the example usage for org.apache.poi.hpsf IllegalVariantTypeException IllegalVariantTypeException.

Prototype

public IllegalVariantTypeException(final long variantType, final Object value, final String msg) 

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Constructor

Usage

From source file:org.ddt.listener.dsi.StringProperty.java

License:Apache License

/**
 * reads the data from the byte array.//from  w ww.j  a  v  a 2s  .  c om
 *
 * @param data   byte array to read from
 * @param offset offset into the data array
 * @throws IllegalVariantTypeException
 */
private void read(final byte data[], final int offset)
        throws IllegalVariantTypeException, UnsupportedEncodingException {
    int o = offset;
    charCount = LittleEndian.getUInt(data, o);
    length = charCount;
    o += LittleEndian.INT_SIZE;
    if (type == Variant.VT_LPWSTR) {
        //the smallest number of bytes to pad it to a multiple of 4... there must be a nicer way
        paddingBytes = (int) (4 - (length % 4)) % 4;
    } else if (type == Variant.VT_LPSTR) {
        paddingBytes = 0;
    } else {
        throw new IllegalVariantTypeException(type, value,
                "At offset " + o + ": Not a string, type = " + Long.toHexString(type) + " should be "
                        + Integer.toHexString(Variant.VT_LPSTR) + " or "
                        + Integer.toHexString(Variant.VT_LPWSTR));
    }

    length = Math.min(length, data.length - o);
    if (type == Variant.VT_LPWSTR) {
        //            value = new String(LittleEndian.getByteArray(data, o,
        //                    (int) (length - 2)), "UTF-16LE");
        value = StringUtil.getFromUnicodeLE(data, o, (int) (length - 1));
    } else {
        //            value = new String(LittleEndian.getByteArray(data, o, (int) (length - 1)));
        value = StringUtil.getFromCompressedUnicode(data, o, (int) (length - 1));
    }
}

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