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

Example 21 with JSONLexer

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

the class MiscCodec method deserialze.

@SuppressWarnings("unchecked")
public <T> T deserialze(DefaultJSONParser parser, Type clazz, Object fieldName) {
    JSONLexer lexer = parser.lexer;
    if (clazz == InetSocketAddress.class) {
        if (lexer.token() == JSONToken.NULL) {
            lexer.nextToken();
            return null;
        }
        parser.accept(JSONToken.LBRACE);
        InetAddress address = null;
        int port = 0;
        for (; ; ) {
            String key = lexer.stringVal();
            lexer.nextToken(JSONToken.COLON);
            if (key.equals("address")) {
                parser.accept(JSONToken.COLON);
                address = parser.parseObject(InetAddress.class);
            } else if (key.equals("port")) {
                parser.accept(JSONToken.COLON);
                if (lexer.token() != JSONToken.LITERAL_INT) {
                    throw new JSONException("port is not int");
                }
                port = lexer.intValue();
                lexer.nextToken();
            } else {
                parser.accept(JSONToken.COLON);
                parser.parse();
            }
            if (lexer.token() == JSONToken.COMMA) {
                lexer.nextToken();
                continue;
            }
            break;
        }
        parser.accept(JSONToken.RBRACE);
        return (T) new InetSocketAddress(address, port);
    }
    Object objVal;
    if (parser.resolveStatus == DefaultJSONParser.TypeNameRedirect) {
        parser.resolveStatus = DefaultJSONParser.NONE;
        parser.accept(JSONToken.COMMA);
        if (lexer.token() == JSONToken.LITERAL_STRING) {
            if (!"val".equals(lexer.stringVal())) {
                throw new JSONException("syntax error");
            }
            lexer.nextToken();
        } else {
            throw new JSONException("syntax error");
        }
        parser.accept(JSONToken.COLON);
        objVal = parser.parse();
        parser.accept(JSONToken.RBRACE);
    } else {
        objVal = parser.parse();
    }
    String strVal;
    if (objVal == null) {
        strVal = null;
    } else if (objVal instanceof String) {
        strVal = (String) objVal;
    } else {
        if (objVal instanceof JSONObject) {
            JSONObject jsonObject = (JSONObject) objVal;
            if (clazz == Currency.class) {
                String currency = jsonObject.getString("currency");
                if (currency != null) {
                    return (T) Currency.getInstance(currency);
                }
                String symbol = jsonObject.getString("currencyCode");
                if (symbol != null) {
                    return (T) Currency.getInstance(symbol);
                }
            }
            if (clazz == Map.Entry.class) {
                return (T) jsonObject.entrySet().iterator().next();
            }
            return jsonObject.toJavaObject(clazz);
        }
        throw new JSONException("expect string");
    }
    if (strVal == null || strVal.length() == 0) {
        return null;
    }
    if (clazz == UUID.class) {
        return (T) UUID.fromString(strVal);
    }
    if (clazz == URI.class) {
        return (T) URI.create(strVal);
    }
    if (clazz == URL.class) {
        try {
            return (T) new URL(strVal);
        } catch (MalformedURLException e) {
            throw new JSONException("create url error", e);
        }
    }
    if (clazz == Pattern.class) {
        return (T) Pattern.compile(strVal);
    }
    if (clazz == Locale.class) {
        return (T) TypeUtils.toLocale(strVal);
    }
    if (clazz == SimpleDateFormat.class) {
        SimpleDateFormat dateFormat = new SimpleDateFormat(strVal, lexer.getLocale());
        dateFormat.setTimeZone(lexer.getTimeZone());
        return (T) dateFormat;
    }
    if (clazz == InetAddress.class || clazz == Inet4Address.class || clazz == Inet6Address.class) {
        try {
            return (T) InetAddress.getByName(strVal);
        } catch (UnknownHostException e) {
            throw new JSONException("deserialize inet adress error", e);
        }
    }
    if (clazz == File.class) {
        if (strVal.indexOf("..") >= 0 && !FILE_RELATIVE_PATH_SUPPORT) {
            throw new JSONException("file relative path not support.");
        }
        return (T) new File(strVal);
    }
    if (clazz == TimeZone.class) {
        return (T) TimeZone.getTimeZone(strVal);
    }
    if (clazz instanceof ParameterizedType) {
        ParameterizedType parmeterizedType = (ParameterizedType) clazz;
        clazz = parmeterizedType.getRawType();
    }
    if (clazz == Class.class) {
        return (T) TypeUtils.loadClass(strVal, parser.getConfig().getDefaultClassLoader(), false);
    }
    if (clazz == Charset.class) {
        return (T) Charset.forName(strVal);
    }
    if (clazz == Currency.class) {
        return (T) Currency.getInstance(strVal);
    }
    if (clazz == JSONPath.class) {
        return (T) new JSONPath(strVal);
    }
    if (clazz instanceof Class) {
        String className = ((Class) clazz).getName();
        if (className.equals("java.nio.file.Path")) {
            try {
                if (method_paths_get == null && !method_paths_get_error) {
                    Class<?> paths = TypeUtils.loadClass("java.nio.file.Paths");
                    method_paths_get = paths.getMethod("get", String.class, String[].class);
                }
                if (method_paths_get != null) {
                    return (T) method_paths_get.invoke(null, strVal, new String[0]);
                }
                throw new JSONException("Path deserialize erorr");
            } catch (NoSuchMethodException ex) {
                method_paths_get_error = true;
            } catch (IllegalAccessException ex) {
                throw new JSONException("Path deserialize erorr", ex);
            } catch (InvocationTargetException ex) {
                throw new JSONException("Path deserialize erorr", ex);
            }
        }
        throw new JSONException("MiscCodec not support " + className);
    }
    throw new JSONException("MiscCodec not support " + clazz.toString());
}

Example 22 with JSONLexer

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

the class ObjectArrayCodec method deserialze.

@SuppressWarnings({ "unchecked", "rawtypes" })
public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName) {
    final JSONLexer lexer = parser.lexer;
    int token = lexer.token();
    if (token == JSONToken.NULL) {
        lexer.nextToken(JSONToken.COMMA);
        return null;
    }
    if (token == JSONToken.LITERAL_STRING || token == JSONToken.HEX) {
        byte[] bytes = lexer.bytesValue();
        lexer.nextToken(JSONToken.COMMA);
        if (bytes.length == 0 && type != byte[].class) {
            return null;
        }
        return (T) bytes;
    }
    Class componentClass;
    Type componentType;
    if (type instanceof GenericArrayType) {
        GenericArrayType clazz = (GenericArrayType) type;
        componentType = clazz.getGenericComponentType();
        if (componentType instanceof TypeVariable) {
            TypeVariable typeVar = (TypeVariable) componentType;
            Type objType = parser.getContext().type;
            if (objType instanceof ParameterizedType) {
                ParameterizedType objParamType = (ParameterizedType) objType;
                Type objRawType = objParamType.getRawType();
                Type actualType = null;
                if (objRawType instanceof Class) {
                    TypeVariable[] objTypeParams = ((Class) objRawType).getTypeParameters();
                    for (int i = 0; i < objTypeParams.length; ++i) {
                        if (objTypeParams[i].getName().equals(typeVar.getName())) {
                            actualType = objParamType.getActualTypeArguments()[i];
                        }
                    }
                }
                if (actualType instanceof Class) {
                    componentClass = (Class) actualType;
                } else {
                    componentClass = Object.class;
                }
            } else {
                componentClass = TypeUtils.getClass(typeVar.getBounds()[0]);
            }
        } else {
            componentClass = TypeUtils.getClass(componentType);
        }
    } else {
        Class clazz = (Class) type;
        componentType = componentClass = clazz.getComponentType();
    }
    JSONArray array = new JSONArray();
    parser.parseArray(componentType, array, fieldName);
    return (T) toObjectArray(parser, componentClass, array);
}

Example 23 with JSONLexer

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

the class StringCodec method deserialze.

@SuppressWarnings("unchecked")
public <T> T deserialze(DefaultJSONParser parser, Type clazz, Object fieldName) {
    if (clazz == StringBuffer.class) {
        final JSONLexer lexer = parser.lexer;
        if (lexer.token() == JSONToken.LITERAL_STRING) {
            String val = lexer.stringVal();
            lexer.nextToken(JSONToken.COMMA);
            return (T) new StringBuffer(val);
        }
        Object value = parser.parse();
        if (value == null) {
            return null;
        }
        return (T) new StringBuffer(value.toString());
    }
    if (clazz == StringBuilder.class) {
        final JSONLexer lexer = parser.lexer;
        if (lexer.token() == JSONToken.LITERAL_STRING) {
            String val = lexer.stringVal();
            lexer.nextToken(JSONToken.COMMA);
            return (T) new StringBuilder(val);
        }
        Object value = parser.parse();
        if (value == null) {
            return null;
        }
        return (T) new StringBuilder(value.toString());
    }
    return (T) deserialze(parser);
}

Example 24 with JSONLexer

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

the class StringCodec method deserialze.

@SuppressWarnings("unchecked")
public static <T> T deserialze(DefaultJSONParser parser) {
    final JSONLexer lexer = parser.getLexer();
    if (lexer.token() == JSONToken.LITERAL_STRING) {
        String val = lexer.stringVal();
        lexer.nextToken(JSONToken.COMMA);
        return (T) val;
    }
    if (lexer.token() == JSONToken.LITERAL_INT) {
        String val = lexer.numberString();
        lexer.nextToken(JSONToken.COMMA);
        return (T) val;
    }
    Object value = parser.parse();
    if (value == null) {
        return null;
    }
    return (T) value.toString();
}

Example 25 with JSONLexer

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

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);
}