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

Example 11 with UTFDataFormatException

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

the class CacheServerHelper method fromUTF.

/**
   * The logic used here is based on java's DataInputStream.readUTF() from the version 1.6.0_10.
   * 
   * @param bytearr
   * @return String
   */
public static String fromUTF(byte[] bytearr) {
    int utflen = bytearr.length;
    int c, char2, char3;
    int count = 0;
    int chararr_count = 0;
    char[] chararr = new char[utflen];
    while (count < utflen) {
        c = (int) bytearr[count] & 0xff;
        if (c > 127)
            break;
        count++;
        chararr[chararr_count++] = (char) c;
    }
    while (count < utflen) {
        c = (int) bytearr[count] & 0xff;
        switch(c >> 4) {
            case 0:
            case 1:
            case 2:
            case 3:
            case 4:
            case 5:
            case 6:
            case 7:
                /* 0xxxxxxx */
                count++;
                chararr[chararr_count++] = (char) c;
                break;
            case 12:
            case 13:
                /* 110x xxxx 10xx xxxx */
                count += 2;
                if (count > utflen) {
                    throw new RuntimeException(LocalizedStrings.CacheServerHelper_UTF8_EXCEPTION.toLocalizedString(), new UTFDataFormatException("malformed input: partial character at end"));
                }
                char2 = (int) bytearr[count - 1];
                if ((char2 & 0xC0) != 0x80)
                    throw new RuntimeException("malformed input around byte " + count);
                chararr[chararr_count++] = (char) (((c & 0x1F) << 6) | (char2 & 0x3F));
                break;
            case 14:
                /* 1110 xxxx 10xx xxxx 10xx xxxx */
                count += 3;
                if (count > utflen) {
                    throw new RuntimeException(LocalizedStrings.CacheServerHelper_UTF8_EXCEPTION.toLocalizedString(), new UTFDataFormatException("malformed input: partial character at end"));
                }
                char2 = (int) bytearr[count - 2];
                char3 = (int) bytearr[count - 1];
                if (((char2 & 0xC0) != 0x80) || ((char3 & 0xC0) != 0x80)) {
                    throw new RuntimeException(LocalizedStrings.CacheServerHelper_UTF8_EXCEPTION.toLocalizedString(), new UTFDataFormatException("malformed input around byte " + (count - 1)));
                }
                chararr[chararr_count++] = (char) (((c & 0x0F) << 12) | ((char2 & 0x3F) << 6) | ((char3 & 0x3F) << 0));
                break;
            default:
                /* 10xx xxxx, 1111 xxxx */
                throw new RuntimeException(LocalizedStrings.CacheServerHelper_UTF8_EXCEPTION.toLocalizedString(), new UTFDataFormatException("malformed input around byte " + count));
        }
    }
    // The number of chars produced may be less than utflen
    return new String(chararr, 0, chararr_count);
}

Example 12 with UTFDataFormatException

use of java.io.UTFDataFormatException in project incubator-systemml by apache.

the class CacheDataOutput method writeUTF.

@Override
public void writeUTF(String s) throws IOException {
    int slen = s.length();
    int utflen = IOUtilFunctions.getUTFSize(s) - 2;
    if (utflen - 2 > 65535)
        throw new UTFDataFormatException("encoded string too long: " + utflen);
    // write utf len (2 bytes)
    writeShort(utflen);
    // write utf payload
    for (int i = 0; i < slen; i++) {
        char c = s.charAt(i);
        if (// 1 byte range
        c >= 0x0001 && c <= 0x007F)
            writeByte(c);
        else if (c >= 0x0800) {
            // 3 byte range
            _buff[_count++] = (byte) (0xE0 | ((c >> 12) & 0x0F));
            _buff[_count++] = (byte) (0x80 | ((c >> 6) & 0x3F));
            _buff[_count++] = (byte) (0x80 | ((c >> 0) & 0x3F));
        } else {
            // 2 byte range and null
            _buff[_count++] = (byte) (0xC0 | ((c >> 6) & 0x1F));
            _buff[_count++] = (byte) (0x80 | ((c >> 0) & 0x3F));
        }
    }
}

Example 13 with UTFDataFormatException

use of java.io.UTFDataFormatException in project incubator-systemml by apache.

the class FastBufferedDataOutputStream method writeUTF.

@Override
public void writeUTF(String s) throws IOException {
    int slen = s.length();
    int utflen = IOUtilFunctions.getUTFSize(s) - 2;
    if (utflen - 2 > 65535)
        throw new UTFDataFormatException("encoded string too long: " + utflen);
    // write utf len (2 bytes)
    writeShort(utflen);
    // write utf payload
    for (int i = 0; i < slen; i++) {
        if (_count + 3 > _bufflen)
            flushBuffer();
        char c = s.charAt(i);
        if (// 1 byte range
        c >= 0x0001 && c <= 0x007F)
            _buff[_count++] = (byte) c;
        else if (c >= 0x0800) {
            // 3 byte range
            _buff[_count++] = (byte) (0xE0 | ((c >> 12) & 0x0F));
            _buff[_count++] = (byte) (0x80 | ((c >> 6) & 0x3F));
            _buff[_count++] = (byte) (0x80 | ((c >> 0) & 0x3F));
        } else {
            // 2 byte range and null
            _buff[_count++] = (byte) (0xC0 | ((c >> 6) & 0x1F));
            _buff[_count++] = (byte) (0x80 | ((c >> 0) & 0x3F));
        }
    }
}

Example 14 with UTFDataFormatException

use of java.io.UTFDataFormatException in project JGroups by belaban.

the class ByteArrayDataInputStream method readUTF.

public String readUTF() throws IOException {
    int utflen = readUnsignedShort();
    byte[] bytearr = new byte[utflen];
    char[] chararr = new char[utflen];
    if (((short) utflen) == -1)
        return null;
    int c, char2, char3;
    int count = 0;
    int chararr_count = 0;
    readFully(bytearr, 0, utflen);
    while (count < utflen) {
        c = (int) bytearr[count] & 0xff;
        if (c > 127)
            break;
        count++;
        chararr[chararr_count++] = (char) c;
    }
    while (count < utflen) {
        c = (int) bytearr[count] & 0xff;
        switch(c >> 4) {
            case 0:
            case 1:
            case 2:
            case 3:
            case 4:
            case 5:
            case 6:
            case 7:
                /* 0xxxxxxx*/
                count++;
                chararr[chararr_count++] = (char) c;
                break;
            case 12:
            case 13:
                /* 110x xxxx   10xx xxxx*/
                count += 2;
                if (count > utflen)
                    throw new UTFDataFormatException("malformed input: partial character at end");
                char2 = (int) bytearr[count - 1];
                if ((char2 & 0xC0) != 0x80)
                    throw new UTFDataFormatException("malformed input around byte " + count);
                chararr[chararr_count++] = (char) (((c & 0x1F) << 6) | (char2 & 0x3F));
                break;
            case 14:
                /* 1110 xxxx  10xx xxxx  10xx xxxx */
                count += 3;
                if (count > utflen)
                    throw new UTFDataFormatException("malformed input: partial character at end");
                char2 = (int) bytearr[count - 2];
                char3 = (int) bytearr[count - 1];
                if (((char2 & 0xC0) != 0x80) || ((char3 & 0xC0) != 0x80))
                    throw new UTFDataFormatException("malformed input around byte " + (count - 1));
                chararr[chararr_count++] = (char) (((c & 0x0F) << 12) | ((char2 & 0x3F) << 6) | ((char3 & 0x3F) << 0));
                break;
            default:
                /* 10xx xxxx,  1111 xxxx */
                throw new UTFDataFormatException("malformed input around byte " + count);
        }
    }
    // The number of chars produced may be less than utflen
    return new String(chararr, 0, chararr_count);
}

Example 15 with UTFDataFormatException

use of java.io.UTFDataFormatException in project hive 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++]) < '\u0080') {
            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);
}