Package com.alibaba.fastjson.parser

Examples of com.alibaba.fastjson.parser.JSONLexer

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        return map;
    }

    @SuppressWarnings("rawtypes")
    public Map parseMap(DefaultJSONParser parser, Map<String, Object> map, Type valueType, Object fieldName) {
        JSONLexer lexer = parser.getLexer();

        if (lexer.token() != JSONToken.LBRACE) {
            throw new JSONException("syntax error, expect {, actual " + lexer.token());
        }

        ParseContext context = parser.getContext();
        try {
            for (;;) {
                lexer.skipWhitespace();
                char ch = lexer.getCurrent();
                if (parser.isEnabled(Feature.AllowArbitraryCommas)) {
                    while (ch == ',') {
                        lexer.next();
                        lexer.skipWhitespace();
                        ch = lexer.getCurrent();
                    }
                }

                String key;
                if (ch == '"') {
                    key = lexer.scanSymbol(parser.getSymbolTable(), '"');
                    lexer.skipWhitespace();
                    ch = lexer.getCurrent();
                    if (ch != ':') {
                        throw new JSONException("expect ':' at " + lexer.pos());
                    }
                } else if (ch == '}') {
                    lexer.next();
                    lexer.resetStringPosition();
                    lexer.nextToken(JSONToken.COMMA);
                    return map;
                } else if (ch == '\'') {
                    if (!parser.isEnabled(Feature.AllowSingleQuotes)) {
                        throw new JSONException("syntax error");
                    }

                    key = lexer.scanSymbol(parser.getSymbolTable(), '\'');
                    lexer.skipWhitespace();
                    ch = lexer.getCurrent();
                    if (ch != ':') {
                        throw new JSONException("expect ':' at " + lexer.pos());
                    }
                } else {
                    if (!parser.isEnabled(Feature.AllowUnQuotedFieldNames)) {
                        throw new JSONException("syntax error");
                    }

                    key = lexer.scanSymbolUnQuoted(parser.getSymbolTable());
                    lexer.skipWhitespace();
                    ch = lexer.getCurrent();
                    if (ch != ':') {
                        throw new JSONException("expect ':' at " + lexer.pos() + ", actual " + ch);
                    }
                }

                lexer.next();
                lexer.skipWhitespace();
                ch = lexer.getCurrent();

                lexer.resetStringPosition();

                if (key == JSON.DEFAULT_TYPE_KEY) {
                    String typeName = lexer.scanSymbol(parser.getSymbolTable(), '"');
                    Class<?> clazz = TypeUtils.loadClass(typeName);

                    if (clazz == map.getClass()) {
                        lexer.nextToken(JSONToken.COMMA);
                        if (lexer.token() == JSONToken.RBRACE) {
                            lexer.nextToken(JSONToken.COMMA);
                            return map;
                        }
                        continue;
                    }

                    ObjectDeserializer deserializer = parser.getConfig().getDeserializer(clazz);

                    lexer.nextToken(JSONToken.COMMA);

                    parser.setResolveStatus(DefaultJSONParser.TypeNameRedirect);

                    if (context != null && !(fieldName instanceof Integer)) {
                        parser.popContext();
                    }

                    return (Map) deserializer.deserialze(parser, clazz, fieldName);
                }

                Object value;
                lexer.nextToken();

                if (lexer.token() == JSONToken.NULL) {
                    value = null;
                    lexer.nextToken();
                } else {
                    value = parser.parseObject(valueType);
                }

                map.put(key, value);
                parser.checkMapResolve(map, key);

                parser.setContext(context, value, key);
               
                final int tok = lexer.token();
                if (tok == JSONToken.EOF || tok == JSONToken.RBRACKET) {
                  return map;
                }
               
                if (tok == JSONToken.RBRACE) {
                    lexer.nextToken();
                    return map;
                }
            }
        } finally {
            parser.setContext(context);
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    public void parseObject(DefaultJSONParser parser, Object object) {
        Class<?> clazz = object.getClass();
        Map<String, FieldDeserializer> setters = parser.getConfig().getFieldDeserializers(clazz);

        JSONLexer lexer = parser.getLexer(); // xxx

        if (lexer.token() == JSONToken.RBRACE) {
            lexer.nextToken(JSONToken.COMMA);
            return;
        }

        if (lexer.token() != JSONToken.LBRACE && lexer.token() != JSONToken.COMMA) {
            throw new JSONException("syntax error, expect {, actual " + lexer.tokenName());
        }

        final Object[] args = new Object[1];

        for (;;) {
            // lexer.scanSymbol
            String key = lexer.scanSymbol(parser.getSymbolTable());

            if (key == null) {
                if (lexer.token() == JSONToken.RBRACE) {
                    lexer.nextToken(JSONToken.COMMA);
                    break;
                }
                if (lexer.token() == JSONToken.COMMA) {
                    if (parser.isEnabled(Feature.AllowArbitraryCommas)) {
                        continue;
                    }
                }
            }

            FieldDeserializer fieldDeser = setters.get(key);
            if (fieldDeser == null) {
                if (!parser.isEnabled(Feature.IgnoreNotMatch)) {
                    throw new JSONException("setter not found, class " + clazz.getName() + ", property " + key);
                }

                lexer.nextTokenWithColon();
                parser.parse(); // skip

                if (lexer.token() == JSONToken.RBRACE) {
                    lexer.nextToken();
                    return;
                }

                continue;
            } else {
                Method method = fieldDeser.getMethod();
                Class<?> fieldClass = method.getParameterTypes()[0];
                Type fieldType = method.getGenericParameterTypes()[0];
                if (fieldClass == int.class) {
                    lexer.nextTokenWithColon(JSONToken.LITERAL_INT);
                    args[0] = IntegerDeserializer.deserialze(parser);
                } else if (fieldClass == String.class) {
                    lexer.nextTokenWithColon(JSONToken.LITERAL_STRING);
                    args[0] = StringDeserializer.deserialze(parser);
                } else if (fieldClass == long.class) {
                    lexer.nextTokenWithColon(JSONToken.LITERAL_INT);
                    args[0] = LongDeserializer.deserialze(parser);
                } else if (fieldClass == List.class) {
                    lexer.nextTokenWithColon(JSONToken.LBRACE);
                    args[0] = CollectionDeserializer.instance.deserialze(parser, fieldType, null);
                } else {
                    ObjectDeserializer fieldValueDeserializer = parser.getConfig().getDeserializer(fieldClass,
                                                                                                   fieldType);

                    lexer.nextTokenWithColon(fieldValueDeserializer.getFastMatchToken());
                    args[0] = fieldValueDeserializer.deserialze(parser, fieldType, null);
                }

                try {
                    method.invoke(object, args);
                } catch (Exception e) {
                    throw new JSONException("set proprety error, " + method.getName(), e);
                }
            }

            if (lexer.token() == JSONToken.COMMA) {
                continue;
            }

            if (lexer.token() == JSONToken.RBRACE) {
                lexer.nextToken(JSONToken.COMMA);
                return;
            }
        }
    }
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    }

    @SuppressWarnings({ "rawtypes", "unchecked" })
    public <T> T deserialze(DefaultJSONParser parser, ParameterizedType type, Object fieldName) {
        try {
            JSONLexer lexer = parser.getLexer();
            if (lexer.token() == JSONToken.NULL) {
                lexer.nextToken();
                return null;
            }

            Type rawType = type.getRawType();
            if (rawType instanceof Class<?>) {
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    public final static ColorDeserializer instance = new ColorDeserializer();

    @SuppressWarnings("unchecked")
    public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName) {
        JSONLexer lexer = parser.getLexer();

        if (lexer.token() != JSONToken.LBRACE && lexer.token() != JSONToken.COMMA) {
            throw new JSONException("syntax error");
        }
        lexer.nextToken();

        int r = 0, g = 0, b = 0, alpha = 0;
        for (;;) {
            if (lexer.token() == JSONToken.RBRACE) {
                lexer.nextToken();
                break;
            }

            String key;
            if (lexer.token() == JSONToken.LITERAL_STRING) {
                key = lexer.stringVal();
                lexer.nextTokenWithColon(JSONToken.LITERAL_INT);
            } else {
                throw new JSONException("syntax error");
            }

            int val;
            if (lexer.token() == JSONToken.LITERAL_INT) {
                val = lexer.intValue();
                lexer.nextToken();
            } else {
                throw new JSONException("syntax error");
            }

            if (key.equalsIgnoreCase("r")) {
                r = val;
            } else if (key.equalsIgnoreCase("g")) {
                g = val;
            } else if (key.equalsIgnoreCase("b")) {
                b = val;
            } else if (key.equalsIgnoreCase("alpha")) {
                alpha = val;
            } else {
                throw new JSONException("syntax error, " + key);
            }

            if (lexer.token() == JSONToken.COMMA) {
                lexer.nextToken(JSONToken.LITERAL_STRING);
            }
        }

        return (T) new Color(r, g, b, alpha);
    }
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        DefaultJSONParser parser = new DefaultJSONParser(text, ParserConfig.getGlobalInstance());

        JSONArray array;

        JSONLexer lexer = parser.getLexer();
        if (lexer.token() == JSONToken.NULL) {
            lexer.nextToken();
            array = null;
        } else if (lexer.token() == JSONToken.EOF) {
            array = null;
        } else {
            array = new JSONArray();
            parser.parseArray(array);
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        }

        List<T> list;

        DefaultJSONParser parser = new DefaultJSONParser(text, ParserConfig.getGlobalInstance());
        JSONLexer lexer = parser.getLexer();
        if (lexer.token() == JSONToken.NULL) {
            lexer.nextToken();
            list = null;
        } else {
            list = new ArrayList<T>();
            parser.parseArray(clazz, list);
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        DefaultJSONParser parser = new DefaultJSONParser(text, ParserConfig.getGlobalInstance());

        JSONArray array;

        JSONLexer lexer = parser.getLexer();
        if (lexer.token() == JSONToken.NULL) {
            lexer.nextToken();
            array = null;
        } else if (lexer.token() == JSONToken.EOF) {
            array = null;
        } else {
            array = new JSONArray();
            parser.parseArray(array);
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        }

        List<T> list;

        DefaultJSONParser parser = new DefaultJSONParser(text, ParserConfig.getGlobalInstance());
        JSONLexer lexer = parser.getLexer();
        if (lexer.token() == JSONToken.NULL) {
            lexer.nextToken();
            list = null;
        } else {
            list = new ArrayList<T>();
            parser.parseArray(clazz, list);
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        return serializer.getFieldDeserializerMap().get(name).getFieldType();
    }

    public boolean parseField(DefaultJSONParser parser, String key, Object object, Type objectType,
                              Map<String, Object> fieldValues) {
        JSONLexer lexer = parser.getLexer(); // xxx

        Map<String, FieldDeserializer> feildDeserializerMap = serializer.getFieldDeserializerMap();
        FieldDeserializer fieldDeserializer = feildDeserializerMap.get(key);

        if (fieldDeserializer == null) {
            for (Map.Entry<String, FieldDeserializer> entry : feildDeserializerMap.entrySet()) {
                if (entry.getKey().equalsIgnoreCase(key)) {
                    fieldDeserializer = entry.getValue();
                    break;
                }
            }
        }

        if (fieldDeserializer == null) {
            this.serializer.parseExtra(parser, object, key);
            return false;
        }

        lexer.nextTokenWithColon(fieldDeserializer.getFastMatchToken());
        fieldDeserializer.parseField(parser, object, objectType, fieldValues);
        return true;
    }
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        }
    }

    public boolean parseField(DefaultJSONParser parser, String key, Object object, Type objectType,
                              Map<String, Object> fieldValues) {
        JSONLexer lexer = parser.getLexer(); // xxx

        FieldDeserializer fieldDeserializer = feildDeserializerMap.get(key);

        if (fieldDeserializer == null) {
            for (Map.Entry<String, FieldDeserializer> entry : feildDeserializerMap.entrySet()) {
                if (entry.getKey().equalsIgnoreCase(key)) {
                    fieldDeserializer = entry.getValue();
                    break;
                }
            }
        }

        if (fieldDeserializer == null) {
            parseExtra(parser, object, key);

            return false;
        }

        lexer.nextTokenWithColon(fieldDeserializer.getFastMatchToken());

        fieldDeserializer.parseField(parser, object, objectType, fieldValues);

        return true;
    }
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Related Classes of com.alibaba.fastjson.parser.JSONLexer

  • com.alibaba.fastjson.JSON
  • com.alibaba.fastjson.parser.deserializer.AbstractDateDeserializer
  • com.alibaba.fastjson.parser.deserializer.ArrayDeserializer
  • com.alibaba.fastjson.parser.deserializer.ArrayListStringDeserializer
  • com.alibaba.fastjson.parser.deserializer.ArrayListStringFieldDeserializer
  • com.alibaba.fastjson.parser.deserializer.ArrayListTypeFieldDeserializer
  • com.alibaba.fastjson.parser.deserializer.ASMJavaBeanDeserializer
  • com.alibaba.fastjson.parser.deserializer.BigDecimalDeserializer
  • com.alibaba.fastjson.parser.deserializer.BigIntegerDeserializer
  • com.alibaba.fastjson.parser.deserializer.BooleanDeserializer
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