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

Example 1 with UTFDataFormatException

use of java.io.UTFDataFormatException in project atlas by alibaba.

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 < '€') {
            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");
        }
    }
}

Example 2 with UTFDataFormatException

use of java.io.UTFDataFormatException in project XobotOS by xamarin.

the class ModifiedUtf8 method decode.

/**
     * Decodes a byte array containing <i>modified UTF-8</i> bytes into a string.
     *
     * <p>Note that although this method decodes the (supposedly impossible) zero byte to U+0000,
     * that's what the RI does too.
     */
public static String decode(byte[] in, char[] out, int offset, int utfSize) throws UTFDataFormatException {
    int count = 0, s = 0, a;
    while (count < utfSize) {
        if ((out[s] = (char) in[offset + count++]) < '€') {
            s++;
        } else if (((a = out[s]) & 0xe0) == 0xc0) {
            if (count >= utfSize) {
                throw new UTFDataFormatException("bad second byte at " + count);
            }
            int b = in[offset + count++];
            if ((b & 0xC0) != 0x80) {
                throw new UTFDataFormatException("bad second byte at " + (count - 1));
            }
            out[s++] = (char) (((a & 0x1F) << 6) | (b & 0x3F));
        } else if ((a & 0xf0) == 0xe0) {
            if (count + 1 >= utfSize) {
                throw new UTFDataFormatException("bad third byte at " + (count + 1));
            }
            int b = in[offset + count++];
            int c = in[offset + count++];
            if (((b & 0xC0) != 0x80) || ((c & 0xC0) != 0x80)) {
                throw new UTFDataFormatException("bad second or third byte at " + (count - 2));
            }
            out[s++] = (char) (((a & 0x0F) << 12) | ((b & 0x3F) << 6) | (c & 0x3F));
        } else {
            throw new UTFDataFormatException("bad byte at " + (count - 1));
        }
    }
    return new String(out, 0, s);
}

Example 3 with UTFDataFormatException

use of java.io.UTFDataFormatException in project dubbo by alibaba.

the class GenericDataInput method readUTF.

public String readUTF() throws IOException {
    byte b = read0();
    switch(b) {
        case OBJECT_BYTES:
            int len = readUInt();
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < len; i++) {
                byte b1 = read0();
                if ((b1 & 0x80) == 0) {
                    sb.append((char) b1);
                } else if ((b1 & 0xE0) == 0xC0) {
                    byte b2 = read0();
                    sb.append((char) (((b1 & 0x1F) << 6) | (b2 & 0x3F)));
                } else if ((b1 & 0xF0) == 0xE0) {
                    byte b2 = read0(), b3 = read0();
                    sb.append((char) (((b1 & 0x0F) << 12) | ((b2 & 0x3F) << 6) | (b3 & 0x3F)));
                } else
                    throw new UTFDataFormatException("Bad utf-8 encoding at " + b1);
            }
            return sb.toString();
        case OBJECT_NULL:
            return null;
        case OBJECT_DUMMY:
            return EMPTY_STRING;
        default:
            throw new IOException("Tag error, expect BYTES|BYTES_NULL|BYTES_EMPTY, but get " + b);
    }
}

Example 4 with UTFDataFormatException

use of java.io.UTFDataFormatException in project asterixdb by apache.

the class NonSyncDataInputBuffer method convertUTF8WithBuf.

public static String convertUTF8WithBuf(byte[] buf, char[] out, int offset, int utfSize) throws UTFDataFormatException {
    int count = 0, s = 0, a;
    while (count < utfSize) {
        if ((out[s] = (char) buf[offset + count++]) < '€') {
            s++;
        } else if (((a = out[s]) & 0xe0) == 0xc0) {
            if (count >= utfSize) {
                throw new UTFDataFormatException();
            }
            int b = buf[count++];
            if ((b & 0xC0) != 0x80) {
                throw new UTFDataFormatException();
            }
            out[s++] = (char) (((a & 0x1F) << 6) | (b & 0x3F));
        } else if ((a & 0xf0) == 0xe0) {
            if (count + 1 >= utfSize) {
                throw new UTFDataFormatException();
            }
            int b = buf[count++];
            int c = buf[count++];
            if (((b & 0xC0) != 0x80) || ((c & 0xC0) != 0x80)) {
                throw new UTFDataFormatException();
            }
            out[s++] = (char) (((a & 0x0F) << 12) | ((b & 0x3F) << 6) | (c & 0x3F));
        } else {
            throw new UTFDataFormatException();
        }
    }
    return new String(out, 0, s);
}

Example 5 with UTFDataFormatException

use of java.io.UTFDataFormatException in project buck by facebook.

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 < '€') {
            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");
        }
    }
}