Examples with JSONLexer com.alibaba.fastjson.parser.JSONLexer used on opensource projects

Example 26 with JSONLexer

use of com.alibaba.fastjson.parser.JSONLexer in project uavstack by uavorg.

the class BooleanCodec method deserialze.

@SuppressWarnings("unchecked")
public <T> T deserialze(DefaultJSONParser parser, Type clazz, Object fieldName) {
    final JSONLexer lexer = parser.lexer;
    Boolean boolObj;
    try {
        if (lexer.token() == JSONToken.TRUE) {
            lexer.nextToken(JSONToken.COMMA);
            boolObj = Boolean.TRUE;
        } else if (lexer.token() == JSONToken.FALSE) {
            lexer.nextToken(JSONToken.COMMA);
            boolObj = Boolean.FALSE;
        } else if (lexer.token() == JSONToken.LITERAL_INT) {
            int intValue = lexer.intValue();
            lexer.nextToken(JSONToken.COMMA);
            if (intValue == 1) {
                boolObj = Boolean.TRUE;
            } else {
                boolObj = Boolean.FALSE;
            }
        } else {
            Object value = parser.parse();
            if (value == null) {
                return null;
            }
            boolObj = TypeUtils.castToBoolean(value);
        }
    } catch (Exception ex) {
        throw new JSONException("parseBoolean error, field : " + fieldName, ex);
    }
    if (clazz == AtomicBoolean.class) {
        return (T) new AtomicBoolean(boolObj.booleanValue());
    }
    return (T) boolObj;
}

Example 27 with JSONLexer

use of com.alibaba.fastjson.parser.JSONLexer in project actframework by actframework.

the class FastJsonKeywordCodec method deserialze.

@SuppressWarnings("unchecked")
public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName) {
    JSONLexer lexer = parser.getLexer();
    if (lexer.token() == JSONToken.LITERAL_STRING) {
        String text = lexer.stringVal();
        lexer.nextToken(JSONToken.COMMA);
        return (T) Keyword.of(text);
    } else {
        throw new UnsupportedOperationException();
    }
}

Example 28 with JSONLexer

use of com.alibaba.fastjson.parser.JSONLexer in project fastjson by alibaba.

the class ImageDeserializer method deserialze.

@SuppressWarnings("unchecked")
public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName) {
    Image image = new Image();
    final JSONLexer lexer = parser.getLexer();
    if (lexer.token() != JSONToken.LBRACKET) {
        throw new JSONException("error");
    }
    int height = lexer.scanInt(',');
    int width = lexer.scanInt(',');
    String sizeName = lexer.scanSymbolWithSeperator(parser.getSymbolTable(), ',');
    String title = lexer.scanString(',');
    String uri = lexer.scanString(']');
    lexer.nextToken(JSONToken.COMMA);
    image.setHeight(height);
    image.setWidth(width);
    image.setSize(Size.valueOf(sizeName));
    image.setTitle(title);
    image.setUri(uri);
    return (T) image;
}

Example 29 with JSONLexer

use of com.alibaba.fastjson.parser.JSONLexer in project fastjson by alibaba.

the class JodaCodec method deserialze.

public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName, String format, int feature) {
    JSONLexer lexer = parser.lexer;
    if (lexer.token() == JSONToken.NULL) {
        lexer.nextToken();
        return null;
    }
    if (lexer.token() == JSONToken.LITERAL_STRING) {
        String text = lexer.stringVal();
        lexer.nextToken();
        DateTimeFormatter formatter = null;
        if (format != null) {
            if (defaultPatttern.equals(format)) {
                formatter = defaultFormatter;
            } else {
                formatter = DateTimeFormat.forPattern(format);
            }
        }
        if ("".equals(text)) {
            return null;
        }
        if (type == LocalDateTime.class) {
            LocalDateTime localDateTime;
            if (text.length() == 10 || text.length() == 8) {
                LocalDate localDate = parseLocalDate(text, format, formatter);
                localDateTime = localDate.toLocalDateTime(LocalTime.MIDNIGHT);
            } else {
                localDateTime = parseDateTime(text, formatter);
            }
            return (T) localDateTime;
        } else if (type == LocalDate.class) {
            LocalDate localDate;
            if (text.length() == 23) {
                LocalDateTime localDateTime = LocalDateTime.parse(text);
                localDate = localDateTime.toLocalDate();
            } else {
                localDate = parseLocalDate(text, format, formatter);
            }
            return (T) localDate;
        } else if (type == LocalTime.class) {
            LocalTime localDate;
            if (text.length() == 23) {
                LocalDateTime localDateTime = LocalDateTime.parse(text);
                localDate = localDateTime.toLocalTime();
            } else {
                localDate = LocalTime.parse(text);
            }
            return (T) localDate;
        } else if (type == DateTime.class) {
            if (formatter == defaultFormatter) {
                formatter = ISO_FIXED_FORMAT;
            }
            DateTime zonedDateTime = parseZonedDateTime(text, formatter);
            return (T) zonedDateTime;
        } else if (type == DateTimeZone.class) {
            DateTimeZone offsetTime = DateTimeZone.forID(text);
            return (T) offsetTime;
        } else if (type == Period.class) {
            Period period = Period.parse(text);
            return (T) period;
        } else if (type == Duration.class) {
            Duration duration = Duration.parse(text);
            return (T) duration;
        } else if (type == Instant.class) {
            boolean digit = true;
            for (int i = 0; i < text.length(); ++i) {
                char ch = text.charAt(i);
                if (ch < '0' || ch > '9') {
                    digit = false;
                    break;
                }
            }
            if (digit && text.length() > 8 && text.length() < 19) {
                long epochMillis = Long.parseLong(text);
                return (T) new Instant(epochMillis);
            }
            Instant instant = Instant.parse(text);
            return (T) instant;
        } else if (type == DateTimeFormatter.class) {
            return (T) DateTimeFormat.forPattern(text);
        }
    } else if (lexer.token() == JSONToken.LITERAL_INT) {
        long millis = lexer.longValue();
        lexer.nextToken();
        TimeZone timeZone = JSON.defaultTimeZone;
        if (timeZone == null) {
            timeZone = TimeZone.getDefault();
        }
        if (type == DateTime.class) {
            return (T) new DateTime(millis, DateTimeZone.forTimeZone(timeZone));
        }
        LocalDateTime localDateTime = new LocalDateTime(millis, DateTimeZone.forTimeZone(timeZone));
        if (type == LocalDateTime.class) {
            return (T) localDateTime;
        }
        if (type == LocalDate.class) {
            return (T) localDateTime.toLocalDate();
        }
        if (type == LocalTime.class) {
            return (T) localDateTime.toLocalTime();
        }
        if (type == Instant.class) {
            Instant instant = new Instant(millis);
            return (T) instant;
        }
        throw new UnsupportedOperationException();
    } else if (lexer.token() == JSONToken.LBRACE) {
        JSONObject object = parser.parseObject();
        if (type == Instant.class) {
            Object epochSecond = object.get("epochSecond");
            if (epochSecond instanceof Number) {
                return (T) Instant.ofEpochSecond(TypeUtils.longExtractValue((Number) epochSecond));
            }
            Object millis = object.get("millis");
            if (millis instanceof Number) {
                return (T) Instant.ofEpochMilli(TypeUtils.longExtractValue((Number) millis));
            }
        }
    } else {
        throw new UnsupportedOperationException();
    }
    return null;
}

Example 30 with JSONLexer

use of com.alibaba.fastjson.parser.JSONLexer in project fastjson by alibaba.

the class FloatCodec method deserialze.

@SuppressWarnings("unchecked")
public static <T> T deserialze(DefaultJSONParser parser) {
    final JSONLexer lexer = parser.lexer;
    if (lexer.token() == JSONToken.LITERAL_INT) {
        String val = lexer.numberString();
        lexer.nextToken(JSONToken.COMMA);
        return (T) Float.valueOf(Float.parseFloat(val));
    }
    if (lexer.token() == JSONToken.LITERAL_FLOAT) {
        float val = lexer.floatValue();
        lexer.nextToken(JSONToken.COMMA);
        return (T) Float.valueOf(val);
    }
    Object value = parser.parse();
    if (value == null) {
        return null;
    }
    return (T) TypeUtils.castToFloat(value);
}