Example usage for org.apache.poi.util StringUtil getFromUnicodeLE

Introduction

In this page you can find the example usage for org.apache.poi.util StringUtil getFromUnicodeLE.

Prototype

public static String getFromUnicodeLE(final byte[] string, final int offset, final int len)
        throws ArrayIndexOutOfBoundsException, IllegalArgumentException 

Source Link

Document

Given a byte array of 16-bit unicode characters in Little Endian format (most important byte last), return a Java String representation of it.

Usage

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

License:Apache License

/**
 * reads the data from the byte array.//from w w w .j  a  v a2 s. 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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