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

Example 16 with JSONLexer

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

the class Jdk8DateCodec method deserialze.

@SuppressWarnings("unchecked")
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 = DateTimeFormatter.ofPattern(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 = LocalDateTime.of(localDate, LocalTime.MIN);
            } 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 = LocalDate.of(localDateTime.getYear(), localDateTime.getMonthValue(), localDateTime.getDayOfMonth());
            } 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 = LocalTime.of(localDateTime.getHour(), localDateTime.getMinute(), localDateTime.getSecond(), localDateTime.getNano());
            } else {
                localDate = LocalTime.parse(text);
            }
            return (T) localDate;
        } else if (type == ZonedDateTime.class) {
            if (formatter == defaultFormatter) {
                formatter = ISO_FIXED_FORMAT;
            }
            ZonedDateTime zonedDateTime = parseZonedDateTime(text, formatter);
            return (T) zonedDateTime;
        } else if (type == OffsetDateTime.class) {
            OffsetDateTime offsetDateTime = OffsetDateTime.parse(text);
            return (T) offsetDateTime;
        } else if (type == OffsetTime.class) {
            OffsetTime offsetTime = OffsetTime.parse(text);
            return (T) offsetTime;
        } else if (type == ZoneId.class) {
            ZoneId offsetTime = ZoneId.of(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) {
            Instant instant = Instant.parse(text);
            return (T) instant;
        }
    } else if (lexer.token() == JSONToken.LITERAL_INT) {
        long millis = lexer.longValue();
        lexer.nextToken();
        if (type == LocalDateTime.class) {
            return (T) LocalDateTime.ofInstant(Instant.ofEpochMilli(millis), JSON.defaultTimeZone.toZoneId());
        }
        if (type == LocalDate.class) {
            return (T) LocalDateTime.ofInstant(Instant.ofEpochMilli(millis), JSON.defaultTimeZone.toZoneId()).toLocalDate();
        }
        if (type == LocalTime.class) {
            return (T) LocalDateTime.ofInstant(Instant.ofEpochMilli(millis), JSON.defaultTimeZone.toZoneId()).toLocalTime();
        }
        throw new UnsupportedOperationException();
    } else {
        throw new UnsupportedOperationException();
    }
    return null;
}

Example 17 with JSONLexer

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

the class ArrayListTypeFieldDeserializer method parseField.

@SuppressWarnings("rawtypes")
@Override
public void parseField(DefaultJSONParser parser, Object object, Type objectType, Map<String, Object> fieldValues) {
    JSONLexer lexer = parser.lexer;
    final int token = lexer.token();
    if (token == JSONToken.NULL || (token == JSONToken.LITERAL_STRING && lexer.stringVal().length() == 0)) {
        setValue(object, null);
        return;
    }
    ArrayList list = new ArrayList();
    ParseContext context = parser.getContext();
    parser.setContext(context, object, fieldInfo.name);
    parseArray(parser, objectType, list);
    parser.setContext(context);
    if (object == null) {
        fieldValues.put(fieldInfo.name, list);
    } else {
        setValue(object, list);
    }
}

Example 18 with JSONLexer

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

the class ArrayListTypeFieldDeserializer method parseArray.

@SuppressWarnings({ "unchecked", "rawtypes" })
public final void parseArray(DefaultJSONParser parser, Type objectType, Collection array) {
    Type itemType = this.itemType;
    ObjectDeserializer itemTypeDeser = this.deserializer;
    if (objectType instanceof ParameterizedType) {
        if (itemType instanceof TypeVariable) {
            TypeVariable typeVar = (TypeVariable) itemType;
            ParameterizedType paramType = (ParameterizedType) objectType;
            Class<?> objectClass = null;
            if (paramType.getRawType() instanceof Class) {
                objectClass = (Class<?>) paramType.getRawType();
            }
            int paramIndex = -1;
            if (objectClass != null) {
                for (int i = 0, size = objectClass.getTypeParameters().length; i < size; ++i) {
                    TypeVariable item = objectClass.getTypeParameters()[i];
                    if (item.getName().equals(typeVar.getName())) {
                        paramIndex = i;
                        break;
                    }
                }
            }
            if (paramIndex != -1) {
                itemType = paramType.getActualTypeArguments()[paramIndex];
                if (!itemType.equals(this.itemType)) {
                    itemTypeDeser = parser.getConfig().getDeserializer(itemType);
                }
            }
        } else if (itemType instanceof ParameterizedType) {
            ParameterizedType parameterizedItemType = (ParameterizedType) itemType;
            Type[] itemActualTypeArgs = parameterizedItemType.getActualTypeArguments();
            if (itemActualTypeArgs.length == 1 && itemActualTypeArgs[0] instanceof TypeVariable) {
                TypeVariable typeVar = (TypeVariable) itemActualTypeArgs[0];
                ParameterizedType paramType = (ParameterizedType) objectType;
                Class<?> objectClass = null;
                if (paramType.getRawType() instanceof Class) {
                    objectClass = (Class<?>) paramType.getRawType();
                }
                int paramIndex = -1;
                if (objectClass != null) {
                    for (int i = 0, size = objectClass.getTypeParameters().length; i < size; ++i) {
                        TypeVariable item = objectClass.getTypeParameters()[i];
                        if (item.getName().equals(typeVar.getName())) {
                            paramIndex = i;
                            break;
                        }
                    }
                }
                if (paramIndex != -1) {
                    itemActualTypeArgs[0] = paramType.getActualTypeArguments()[paramIndex];
                    itemType = new ParameterizedTypeImpl(itemActualTypeArgs, parameterizedItemType.getOwnerType(), parameterizedItemType.getRawType());
                }
            }
        }
    } else if (itemType instanceof TypeVariable && objectType instanceof Class) {
        Class objectClass = (Class) objectType;
        TypeVariable typeVar = (TypeVariable) itemType;
        objectClass.getTypeParameters();
        for (int i = 0, size = objectClass.getTypeParameters().length; i < size; ++i) {
            TypeVariable item = objectClass.getTypeParameters()[i];
            if (item.getName().equals(typeVar.getName())) {
                Type[] bounds = item.getBounds();
                if (bounds.length == 1) {
                    itemType = bounds[0];
                }
                break;
            }
        }
    }
    final JSONLexer lexer = parser.lexer;
    final int token = lexer.token();
    if (token == JSONToken.LBRACKET) {
        if (itemTypeDeser == null) {
            itemTypeDeser = deserializer = parser.getConfig().getDeserializer(itemType);
            itemFastMatchToken = deserializer.getFastMatchToken();
        }
        lexer.nextToken(itemFastMatchToken);
        for (int i = 0; ; ++i) {
            if (lexer.isEnabled(Feature.AllowArbitraryCommas)) {
                while (lexer.token() == JSONToken.COMMA) {
                    lexer.nextToken();
                    continue;
                }
            }
            if (lexer.token() == JSONToken.RBRACKET) {
                break;
            }
            Object val = itemTypeDeser.deserialze(parser, itemType, i);
            array.add(val);
            parser.checkListResolve(array);
            if (lexer.token() == JSONToken.COMMA) {
                lexer.nextToken(itemFastMatchToken);
                continue;
            }
        }
        lexer.nextToken(JSONToken.COMMA);
    } else {
        if (itemTypeDeser == null) {
            itemTypeDeser = deserializer = parser.getConfig().getDeserializer(itemType);
        }
        Object val = itemTypeDeser.deserialze(parser, itemType, 0);
        array.add(val);
        parser.checkListResolve(array);
    }
}

Example 19 with JSONLexer

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

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) {
            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();
        if (type == DateTime.class) {
            return (T) new DateTime(millis);
        }
        LocalDateTime localDateTime = new LocalDateTime(millis);
        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 {
        throw new UnsupportedOperationException();
    }
    return null;
}

Example 20 with JSONLexer

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

the class LongCodec method deserialze.

@SuppressWarnings("unchecked")
public <T> T deserialze(DefaultJSONParser parser, Type clazz, Object fieldName) {
    final JSONLexer lexer = parser.lexer;
    Long longObject;
    try {
        final int token = lexer.token();
        if (token == JSONToken.LITERAL_INT) {
            long longValue = lexer.longValue();
            lexer.nextToken(JSONToken.COMMA);
            longObject = Long.valueOf(longValue);
        } else if (token == JSONToken.LITERAL_FLOAT) {
            BigDecimal number = lexer.decimalValue();
            longObject = TypeUtils.longValue(number);
            lexer.nextToken(JSONToken.COMMA);
        } else {
            if (token == JSONToken.LBRACE) {
                JSONObject jsonObject = new JSONObject(true);
                parser.parseObject(jsonObject);
                longObject = TypeUtils.castToLong(jsonObject);
            } else {
                Object value = parser.parse();
                longObject = TypeUtils.castToLong(value);
            }
            if (longObject == null) {
                return null;
            }
        }
    } catch (Exception ex) {
        throw new JSONException("parseLong error, field : " + fieldName, ex);
    }
    return // 
    clazz == AtomicLong.class ? // 
    (T) new AtomicLong(longObject.longValue()) : (T) longObject;
}