Examples with JSONException com.alibaba.fastjson.JSONException used on opensource projects

Example 6 with JSONException

use of com.alibaba.fastjson.JSONException in project fastjson by alibaba.

the class JSONReaderScanner method next.

public final char next() {
    int index = ++bp;
    if (index >= bufLength) {
        if (bufLength == -1) {
            return EOI;
        }
        if (sp > 0) {
            int offset;
            offset = bufLength - sp;
            if (ch == '"' && offset > 0) {
                offset--;
            }
            System.arraycopy(buf, offset, buf, 0, sp);
        }
        np = -1;
        index = bp = sp;
        try {
            int startPos = bp;
            int readLength = buf.length - startPos;
            if (readLength == 0) {
                char[] newBuf = new char[buf.length * 2];
                System.arraycopy(buf, 0, newBuf, 0, buf.length);
                buf = newBuf;
                readLength = buf.length - startPos;
            }
            bufLength = reader.read(buf, bp, readLength);
        } catch (IOException e) {
            throw new JSONException(e.getMessage(), e);
        }
        if (bufLength == 0) {
            throw new JSONException("illegal stat, textLength is zero");
        }
        if (bufLength == -1) {
            return ch = EOI;
        }
        bufLength += bp;
    }
    return ch = buf[index];
}

Example 7 with JSONException

use of com.alibaba.fastjson.JSONException in project fastjson by alibaba.

the class JSONScanner method scanFieldString.

public String scanFieldString(char[] fieldName) {
    matchStat = UNKNOWN;
    int startPos = this.bp;
    char startChar = this.ch;
    if (!charArrayCompare(text, bp, fieldName)) {
        matchStat = NOT_MATCH_NAME;
        return stringDefaultValue();
    }
    int index = bp + fieldName.length;
    char ch = charAt(index++);
    if (ch != '"') {
        matchStat = NOT_MATCH;
        return stringDefaultValue();
    }
    final String strVal;
    {
        int startIndex = index;
        int endIndex = indexOf('"', startIndex);
        if (endIndex == -1) {
            throw new JSONException("unclosed str");
        }
        String stringVal = subString(startIndex, endIndex - startIndex);
        if (stringVal.indexOf('\\') != -1) {
            for (; ; ) {
                int slashCount = 0;
                for (int i = endIndex - 1; i >= 0; --i) {
                    if (charAt(i) == '\\') {
                        slashCount++;
                    } else {
                        break;
                    }
                }
                if (slashCount % 2 == 0) {
                    break;
                }
                endIndex = indexOf('"', endIndex + 1);
            }
            int chars_len = endIndex - (bp + fieldName.length + 1);
            char[] chars = sub_chars(bp + fieldName.length + 1, chars_len);
            stringVal = readString(chars, chars_len);
        }
        ch = charAt(endIndex + 1);
        for (; ; ) {
            if (ch == ',' || ch == '}') {
                bp = endIndex + 1;
                this.ch = ch;
                strVal = stringVal;
                break;
            } else if (isWhitespace(ch)) {
                endIndex++;
                ch = charAt(endIndex + 1);
            } else {
                matchStat = NOT_MATCH;
                return stringDefaultValue();
            }
        }
    }
    if (ch == ',') {
        this.ch = charAt(++bp);
        matchStat = VALUE;
        return strVal;
    } else {
        //condition ch == '}' is always 'true'
        ch = charAt(++bp);
        if (ch == ',') {
            token = JSONToken.COMMA;
            this.ch = charAt(++bp);
        } else if (ch == ']') {
            token = JSONToken.RBRACKET;
            this.ch = charAt(++bp);
        } else if (ch == '}') {
            token = JSONToken.RBRACE;
            this.ch = charAt(++bp);
        } else if (ch == EOI) {
            token = JSONToken.EOF;
        } else {
            this.bp = startPos;
            this.ch = startChar;
            matchStat = NOT_MATCH;
            return stringDefaultValue();
        }
        matchStat = END;
    }
    return strVal;
}

Example 8 with JSONException

use of com.alibaba.fastjson.JSONException in project fastjson by alibaba.

the class IOUtils method decode.

public static void decode(CharsetDecoder charsetDecoder, ByteBuffer byteBuf, CharBuffer charByte) {
    try {
        CoderResult cr = charsetDecoder.decode(byteBuf, charByte, true);
        if (!cr.isUnderflow()) {
            cr.throwException();
        }
        cr = charsetDecoder.flush(charByte);
        if (!cr.isUnderflow()) {
            cr.throwException();
        }
    } catch (CharacterCodingException x) {
        // so this shouldn't happen
        throw new JSONException("utf8 decode error, " + x.getMessage(), x);
    }
}

Example 9 with JSONException

use of com.alibaba.fastjson.JSONException in project fastjson by alibaba.

the class IOUtils method encodeUTF8.

public static int encodeUTF8(char[] sa, int sp, int len, byte[] da) {
    int sl = sp + len;
    int dp = 0;
    int dlASCII = dp + Math.min(len, da.length);
    // ASCII only optimized loop
    while (dp < dlASCII && sa[sp] < '€') {
        da[dp++] = (byte) sa[sp++];
    }
    while (sp < sl) {
        char c = sa[sp++];
        if (c < 0x80) {
            // Have at most seven bits
            da[dp++] = (byte) c;
        } else if (c < 0x800) {
            // 2 bytes, 11 bits
            da[dp++] = (byte) (0xc0 | (c >> 6));
            da[dp++] = (byte) (0x80 | (c & 0x3f));
        } else if (c >= '�' && c < ('�' + 1)) {
            //Character.isSurrogate(c) but 1.7
            final int uc;
            int ip = sp - 1;
            if (Character.isHighSurrogate(c)) {
                if (sl - ip < 2) {
                    uc = -1;
                } else {
                    char d = sa[ip + 1];
                    if (Character.isLowSurrogate(d)) {
                        uc = Character.toCodePoint(c, d);
                    } else {
                        throw new JSONException("encodeUTF8 error", new MalformedInputException(1));
                    }
                }
            } else {
                if (Character.isLowSurrogate(c)) {
                    throw new JSONException("encodeUTF8 error", new MalformedInputException(1));
                } else {
                    uc = c;
                }
            }
            if (uc < 0) {
                da[dp++] = (byte) '?';
            } else {
                da[dp++] = (byte) (0xf0 | ((uc >> 18)));
                da[dp++] = (byte) (0x80 | ((uc >> 12) & 0x3f));
                da[dp++] = (byte) (0x80 | ((uc >> 6) & 0x3f));
                da[dp++] = (byte) (0x80 | (uc & 0x3f));
                // 2 chars
                sp++;
            }
        } else {
            // 3 bytes, 16 bits
            da[dp++] = (byte) (0xe0 | ((c >> 12)));
            da[dp++] = (byte) (0x80 | ((c >> 6) & 0x3f));
            da[dp++] = (byte) (0x80 | (c & 0x3f));
        }
    }
    return dp;
}

Example 10 with JSONException

use of com.alibaba.fastjson.JSONException in project fastjson by alibaba.

the class IOUtils method readAll.

/**
     * @deprecated
     */
public static String readAll(Reader reader) {
    StringBuilder buf = new StringBuilder();
    try {
        char[] chars = new char[2048];
        for (; ; ) {
            int len = reader.read(chars, 0, chars.length);
            if (len < 0) {
                break;
            }
            buf.append(chars, 0, len);
        }
    } catch (Exception ex) {
        throw new JSONException("read string from reader error", ex);
    }
    return buf.toString();
}