Package com.alibaba.fastjson.parser

Examples of com.alibaba.fastjson.parser.JSONLexer

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                                  ObjectDeserializer deser, //
                                  DefaultJSONParser parser, //
                                  Type type, //
                                  Object fieldName) {

        final JSONLexer lexer = parser.getLexer();
        if (lexer.token() == JSONToken.NULL) {
            lexer.nextToken(JSONToken.COMMA);
        }

        parser.accept(JSONToken.LBRACKET, JSONToken.LBRACKET);

        int index = 0;
        for (;;) {
            Object item = deser.deserialze(parser, type, index);
            collection.add(item);
            index++;
            if (lexer.token() == JSONToken.COMMA) {
                lexer.nextToken(JSONToken.LBRACKET);
            } else {
                break;
            }
        }
        parser.accept(JSONToken.RBRACKET, JSONToken.COMMA);
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        out.write('}');
    }
   
    @SuppressWarnings("unchecked")
    public <T> T deserialze(DefaultJSONParser parser, Type clazz, Object fieldName) {
        JSONLexer lexer = parser.getLexer();

        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;
        }
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        return deserialze(parser, type, fieldName, null);
    }

    @SuppressWarnings({ "unchecked" })
    public <T> T deserialzeArrayMapping(DefaultJSONParser parser, Type type, Object fieldName, Object object) {
        final JSONLexer lexer = parser.getLexer(); // xxx
        if (lexer.token() != JSONToken.LBRACKET) {
            throw new JSONException("error");
        }

        object = createInstance(parser, type);

        int size = sortedFieldDeserializers.size();
        for (int i = 0; i < size; ++i) {
            final char seperator = (i == size - 1) ? ']' : ',';
            FieldDeserializer fieldDeser = sortedFieldDeserializers.get(i);
            Class<?> fieldClass = fieldDeser.getFieldClass();
            if (fieldClass == int.class) {
                int value = lexer.scanInt(seperator);
                fieldDeser.setValue(object, value);
            } else if (fieldClass == String.class) {
                String value = lexer.scanString(seperator);
                fieldDeser.setValue(object, value);
            } else if (fieldClass == long.class) {
                long value = lexer.scanLong(seperator);
                fieldDeser.setValue(object, value);
            } else if (fieldClass.isEnum()) {
                Enum<?> value = lexer.scanEnum(fieldClass, parser.getSymbolTable(), seperator);
                fieldDeser.setValue(object, value);
            } else {
                lexer.nextToken(JSONToken.LBRACKET);
                Object value = parser.parseObject(fieldDeser.getFieldType());
                fieldDeser.setValue(object, value);

                if (seperator == ']') {
                    if (lexer.token() != JSONToken.RBRACKET) {
                        throw new JSONException("syntax error");
                    }
                    lexer.nextToken(JSONToken.COMMA);
                } else if (seperator == ',') {
                    if (lexer.token() != JSONToken.COMMA) {
                        throw new JSONException("syntax error");
                    }
                }
            }
        }
        lexer.nextToken(JSONToken.COMMA);

        return (T) object;
    }
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        return (T) object;
    }

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

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

        ParseContext context = parser.getContext();
        if (object != null) {
            context = context.getParentContext();
        }
        ParseContext childContext = null;

        try {
            Map<String, Object> fieldValues = null;

            if (lexer.token() == JSONToken.RBRACE) {
                lexer.nextToken(JSONToken.COMMA);
                if (object == null) {
                    object = createInstance(parser, type);
                }
                return (T) object;
            }

            if (lexer.token() == JSONToken.LBRACKET && lexer.isEnabled(Feature.SupportArrayToBean)) {
                return deserialzeArrayMapping(parser, type, fieldName, object);
            }

            if (lexer.token() != JSONToken.LBRACE && lexer.token() != JSONToken.COMMA) {
                StringBuffer buf = (new StringBuffer()) //
                .append("syntax error, expect {, actual ") //
                .append(lexer.tokenName()) //
                .append(", pos ") //
                .append(lexer.pos()) //
                ;
                if (fieldName instanceof String) {
                    buf //
                    .append(", fieldName ") //
                    .append(fieldName);
                }
                throw new JSONException(buf.toString());
            }

            if (parser.getResolveStatus() == DefaultJSONParser.TypeNameRedirect) {
                parser.setResolveStatus(DefaultJSONParser.NONE);
            }

            for (;;) {

                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;
                        }
                    }
                }

                if ("$ref" == key) {
                    lexer.nextTokenWithColon(JSONToken.LITERAL_STRING);
                    if (lexer.token() == JSONToken.LITERAL_STRING) {
                        String ref = lexer.stringVal();
                        if ("@".equals(ref)) {
                            object = context.getObject();
                        } else if ("..".equals(ref)) {
                            ParseContext parentContext = context.getParentContext();
                            if (parentContext.getObject() != null) {
                                object = parentContext.getObject();
                            } else {
                                parser.addResolveTask(new ResolveTask(parentContext, ref));
                                parser.setResolveStatus(DefaultJSONParser.NeedToResolve);
                            }
                        } else if ("$".equals(ref)) {
                            ParseContext rootContext = context;
                            while (rootContext.getParentContext() != null) {
                                rootContext = rootContext.getParentContext();
                            }

                            if (rootContext.getObject() != null) {
                                object = rootContext.getObject();
                            } else {
                                parser.addResolveTask(new ResolveTask(rootContext, ref));
                                parser.setResolveStatus(DefaultJSONParser.NeedToResolve);
                            }
                        } else {
                            parser.addResolveTask(new ResolveTask(context, ref));
                            parser.setResolveStatus(DefaultJSONParser.NeedToResolve);
                        }
                    } else {
                        throw new JSONException("illegal ref, " + JSONToken.name(lexer.token()));
                    }

                    lexer.nextToken(JSONToken.RBRACE);
                    if (lexer.token() != JSONToken.RBRACE) {
                        throw new JSONException("illegal ref");
                    }
                    lexer.nextToken(JSONToken.COMMA);

                    parser.setContext(context, object, fieldName);

                    return (T) object;
                }

                if (JSON.DEFAULT_TYPE_KEY == key) {
                    lexer.nextTokenWithColon(JSONToken.LITERAL_STRING);
                    if (lexer.token() == JSONToken.LITERAL_STRING) {
                        String typeName = lexer.stringVal();
                        lexer.nextToken(JSONToken.COMMA);

                        if (type instanceof Class && typeName.equals(((Class<?>) type).getName())) {
                            if (lexer.token() == JSONToken.RBRACE) {
                                lexer.nextToken();
                                break;
                            }
                            continue;
                        }

                        Class<?> userType = TypeUtils.loadClass(typeName);
                        ObjectDeserializer deserizer = parser.getConfig().getDeserializer(userType);
                        return (T) deserizer.deserialze(parser, userType, fieldName);
                    } else {
                        throw new JSONException("syntax error");
                    }
                }

                if (object == null && fieldValues == null) {
                    object = createInstance(parser, type);
                    if (object == null) {
                        fieldValues = new HashMap<String, Object>(this.fieldDeserializers.size());
                    }
                    childContext = parser.setContext(context, object, fieldName);
                }

                boolean match = parseField(parser, key, object, type, fieldValues);
                if (!match) {
                    if (lexer.token() == JSONToken.RBRACE) {
                        lexer.nextToken();
                        break;
                    }

                    continue;
                }

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

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

                if (lexer.token() == JSONToken.IDENTIFIER || lexer.token() == JSONToken.ERROR) {
                    throw new JSONException("syntax error, unexpect token " + JSONToken.name(lexer.token()));
                }
            }

            if (object == null) {
                if (fieldValues == null) {
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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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        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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        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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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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