Examples with UTFDataFormatException java.io.UTFDataFormatException used on opensource projects

Example 46 with UTFDataFormatException

use of java.io.UTFDataFormatException in project J2ME-Loader by nikita36078.

the class Mutf8 method decode.

/**
 * Decodes bytes from {@code in} into {@code out} until a delimiter 0x00 is
 * encountered. Returns a new string containing the decoded characters.
 */
public static String decode(ByteInput in, char[] out) throws UTFDataFormatException {
    int s = 0;
    while (true) {
        char a = (char) (in.readByte() & 0xff);
        if (a == 0) {
            return new String(out, 0, s);
        }
        out[s] = a;
        if (a < '\u0080') {
            s++;
        } else if ((a & 0xe0) == 0xc0) {
            int b = in.readByte() & 0xff;
            if ((b & 0xC0) != 0x80) {
                throw new UTFDataFormatException("bad second byte");
            }
            out[s++] = (char) (((a & 0x1F) << 6) | (b & 0x3F));
        } else if ((a & 0xf0) == 0xe0) {
            int b = in.readByte() & 0xff;
            int c = in.readByte() & 0xff;
            if (((b & 0xC0) != 0x80) || ((c & 0xC0) != 0x80)) {
                throw new UTFDataFormatException("bad second or third byte");
            }
            out[s++] = (char) (((a & 0x0F) << 12) | ((b & 0x3F) << 6) | (c & 0x3F));
        } else {
            throw new UTFDataFormatException("bad byte");
        }
    }
}