Examples with FieldInfo com.alibaba.fastjson.util.FieldInfo used on opensource projects

Example 11 with FieldInfo

use of com.alibaba.fastjson.util.FieldInfo in project pinot by linkedin.

the class JSONUtil method toJSON.

@SuppressWarnings("unchecked")
public static Object toJSON(Object javaObject) {
    if (javaObject == null) {
        return null;
    }
    if (javaObject instanceof JSON) {
        return javaObject;
    }
    if (javaObject instanceof FastJSONObject) {
        return ((FastJSONObject) javaObject).getInnerJSONObject();
    }
    if (javaObject instanceof FastJSONArray) {
        return ((FastJSONArray) javaObject).getInnerJSONArray();
    }
    if (javaObject instanceof Map) {
        Map<Object, Object> map = (Map<Object, Object>) javaObject;
        com.alibaba.fastjson.JSONObject json = new com.alibaba.fastjson.JSONObject(map.size());
        for (Map.Entry<Object, Object> entry : map.entrySet()) {
            Object key = entry.getKey();
            String jsonKey = TypeUtils.castToString(key);
            Object jsonValue = toJSON(entry.getValue());
            json.put(jsonKey, jsonValue);
        }
        return json;
    }
    if (javaObject instanceof Collection) {
        Collection<Object> collection = (Collection<Object>) javaObject;
        com.alibaba.fastjson.JSONArray array = new com.alibaba.fastjson.JSONArray(collection.size());
        for (Object item : collection) {
            Object jsonValue = toJSON(item);
            array.add(jsonValue);
        }
        return array;
    }
    Class<?> clazz = javaObject.getClass();
    if (clazz.isEnum()) {
        return ((Enum<?>) javaObject).name();
    }
    if (clazz.isArray()) {
        int len = Array.getLength(javaObject);
        com.alibaba.fastjson.JSONArray array = new com.alibaba.fastjson.JSONArray(len);
        for (int i = 0; i < len; ++i) {
            Object item = Array.get(javaObject, i);
            Object jsonValue = toJSON(item);
            array.add(jsonValue);
        }
        return array;
    }
    if (ParserConfig.getGlobalInstance().isPrimitive(clazz)) {
        return javaObject;
    }
    try {
        List<FieldInfo> getters = TypeUtils.computeGetters(clazz, null);
        com.alibaba.fastjson.JSONObject json = new com.alibaba.fastjson.JSONObject(getters.size());
        for (FieldInfo field : getters) {
            Object value = field.get(javaObject);
            Object jsonValue = toJSON(value);
            json.put(field.getName(), jsonValue);
        }
        return json;
    } catch (Exception e) {
        throw new com.alibaba.fastjson.JSONException("toJSON error", e);
    }
}

Example 12 with FieldInfo

use of com.alibaba.fastjson.util.FieldInfo in project QuickAndroid by ImKarl.

the class QAJsonUtils method toJson.

/**
     * 序列化为JSON对象
     *
     * @param javaObject 要序列化的对象
     * @return 三种种可能值：QAJsonObject、QAJsonArray、null
     */
public static QAJson toJson(Object javaObject) {
    if (javaObject == null) {
        return null;
    }
    if (javaObject instanceof JSON) {
        return null;
    }
    if (javaObject instanceof Map) {
        @SuppressWarnings("unchecked") Map<Object, Object> map = (Map<Object, Object>) javaObject;
        QAJsonObject json = new QAJsonObject();
        for (Map.Entry<Object, Object> entry : map.entrySet()) {
            Object key = entry.getKey();
            String jsonKey = TypeUtils.castToString(key);
            Object jsonValue = toJson(entry.getValue());
            json.put(jsonKey, jsonValue);
        }
        return json;
    }
    if (javaObject instanceof Collection) {
        @SuppressWarnings("unchecked") Collection<Object> collection = (Collection<Object>) javaObject;
        QAJsonArray array = new QAJsonArray();
        for (Object item : collection) {
            Object jsonValue = toJson(item);
            array.put(jsonValue);
        }
        return array;
    }
    Class<?> clazz = javaObject.getClass();
    if (clazz.isEnum()) {
        return null;
    }
    if (clazz.isArray()) {
        int len = Array.getLength(javaObject);
        QAJsonArray array = new QAJsonArray();
        for (int i = 0; i < len; ++i) {
            Object item = Array.get(javaObject, i);
            Object jsonValue = toJson(item);
            array.put(jsonValue);
        }
        return array;
    }
    if (ParserConfig.getGlobalInstance().isPrimitive(clazz)) {
        return null;
    }
    try {
        List<FieldInfo> getters = TypeUtils.computeGetters(clazz, null);
        QAJsonObject json = new QAJsonObject();
        for (FieldInfo field : getters) {
            Object value = field.get(javaObject);
            Object jsonValue = toJson(value);
            json.put(field.getName(), jsonValue);
        }
        return json;
    } catch (IllegalAccessException e) {
    } catch (InvocationTargetException e) {
    }
    return null;
}

Example 13 with FieldInfo

use of com.alibaba.fastjson.util.FieldInfo in project fastjson by alibaba.

the class JavaBeanDeserializer method deserialze.

@SuppressWarnings({ "unchecked", "rawtypes" })
protected <// 
T> // 
T deserialze(// 
DefaultJSONParser parser, // 
Type type, // 
Object fieldName, //
Object object, //
int features, int[] setFlags) {
    if (type == JSON.class || type == JSONObject.class) {
        return (T) parser.parse();
    }
    // xxx
    final JSONLexerBase lexer = (JSONLexerBase) parser.lexer;
    int token = lexer.token();
    if (token == JSONToken.NULL) {
        lexer.nextToken(JSONToken.COMMA);
        return null;
    }
    ParseContext context = parser.getContext();
    if (object != null && context != null) {
        context = context.parent;
    }
    ParseContext childContext = null;
    try {
        Map<String, Object> fieldValues = null;
        if (token == JSONToken.RBRACE) {
            lexer.nextToken(JSONToken.COMMA);
            if (object == null) {
                object = createInstance(parser, type);
            }
            return (T) object;
        }
        if (token == JSONToken.LBRACKET) {
            final int mask = Feature.SupportArrayToBean.mask;
            boolean isSupportArrayToBean = //
            (beanInfo.parserFeatures & mask) != 0 || //
            lexer.isEnabled(Feature.SupportArrayToBean) || (features & mask) != 0;
            if (isSupportArrayToBean) {
                return deserialzeArrayMapping(parser, type, fieldName, object);
            }
        }
        if (token != JSONToken.LBRACE && token != JSONToken.COMMA) {
            if (lexer.isBlankInput()) {
                return null;
            }
            if (token == JSONToken.LITERAL_STRING) {
                String strVal = lexer.stringVal();
                if (strVal.length() == 0) {
                    lexer.nextToken();
                    return null;
                }
            }
            if (token == JSONToken.LBRACKET && lexer.getCurrent() == ']') {
                lexer.next();
                lexer.nextToken();
                return null;
            }
            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.resolveStatus == DefaultJSONParser.TypeNameRedirect) {
            parser.resolveStatus = DefaultJSONParser.NONE;
        }
        for (int fieldIndex = 0; ; fieldIndex++) {
            String key = null;
            FieldDeserializer fieldDeser = null;
            FieldInfo fieldInfo = null;
            Class<?> fieldClass = null;
            JSONField feildAnnotation = null;
            if (fieldIndex < sortedFieldDeserializers.length) {
                fieldDeser = sortedFieldDeserializers[fieldIndex];
                fieldInfo = fieldDeser.fieldInfo;
                fieldClass = fieldInfo.fieldClass;
                feildAnnotation = fieldInfo.getAnnotation();
            }
            boolean matchField = false;
            boolean valueParsed = false;
            Object fieldValue = null;
            if (fieldDeser != null) {
                char[] name_chars = fieldInfo.name_chars;
                if (fieldClass == int.class || fieldClass == Integer.class) {
                    fieldValue = lexer.scanFieldInt(name_chars);
                    if (lexer.matchStat > 0) {
                        matchField = true;
                        valueParsed = true;
                    } else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
                        continue;
                    }
                } else if (fieldClass == long.class || fieldClass == Long.class) {
                    fieldValue = lexer.scanFieldLong(name_chars);
                    if (lexer.matchStat > 0) {
                        matchField = true;
                        valueParsed = true;
                    } else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
                        continue;
                    }
                } else if (fieldClass == String.class) {
                    fieldValue = lexer.scanFieldString(name_chars);
                    if (lexer.matchStat > 0) {
                        matchField = true;
                        valueParsed = true;
                    } else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
                        continue;
                    }
                } else if (fieldClass == boolean.class || fieldClass == Boolean.class) {
                    fieldValue = lexer.scanFieldBoolean(name_chars);
                    if (lexer.matchStat > 0) {
                        matchField = true;
                        valueParsed = true;
                    } else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
                        continue;
                    }
                } else if (fieldClass == float.class || fieldClass == Float.class) {
                    fieldValue = lexer.scanFieldFloat(name_chars);
                    if (lexer.matchStat > 0) {
                        matchField = true;
                        valueParsed = true;
                    } else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
                        continue;
                    }
                } else if (fieldClass == double.class || fieldClass == Double.class) {
                    fieldValue = lexer.scanFieldDouble(name_chars);
                    if (lexer.matchStat > 0) {
                        matchField = true;
                        valueParsed = true;
                    } else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
                        continue;
                    }
                } else if (// 
                fieldClass.isEnum() && parser.getConfig().getDeserializer(fieldClass) instanceof EnumDeserializer && (feildAnnotation == null || feildAnnotation.deserializeUsing() == Void.class)) {
                    if (fieldDeser instanceof DefaultFieldDeserializer) {
                        ObjectDeserializer fieldValueDeserilizer = ((DefaultFieldDeserializer) fieldDeser).fieldValueDeserilizer;
                        fieldValue = this.scanEnum(lexer, name_chars, fieldValueDeserilizer);
                        if (lexer.matchStat > 0) {
                            matchField = true;
                            valueParsed = true;
                        } else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
                            continue;
                        }
                    }
                } else if (fieldClass == int[].class) {
                    fieldValue = lexer.scanFieldIntArray(name_chars);
                    if (lexer.matchStat > 0) {
                        matchField = true;
                        valueParsed = true;
                    } else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
                        continue;
                    }
                } else if (fieldClass == float[].class) {
                    fieldValue = lexer.scanFieldFloatArray(name_chars);
                    if (lexer.matchStat > 0) {
                        matchField = true;
                        valueParsed = true;
                    } else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
                        continue;
                    }
                } else if (fieldClass == float[][].class) {
                    fieldValue = lexer.scanFieldFloatArray2(name_chars);
                    if (lexer.matchStat > 0) {
                        matchField = true;
                        valueParsed = true;
                    } else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
                        continue;
                    }
                } else if (lexer.matchField(name_chars)) {
                    matchField = true;
                } else {
                    continue;
                }
            }
            if (!matchField) {
                key = lexer.scanSymbol(parser.symbolTable);
                if (key == null) {
                    token = lexer.token();
                    if (token == JSONToken.RBRACE) {
                        lexer.nextToken(JSONToken.COMMA);
                        break;
                    }
                    if (token == JSONToken.COMMA) {
                        if (lexer.isEnabled(Feature.AllowArbitraryCommas)) {
                            continue;
                        }
                    }
                }
                if ("$ref" == key) {
                    lexer.nextTokenWithColon(JSONToken.LITERAL_STRING);
                    token = lexer.token();
                    if (token == JSONToken.LITERAL_STRING) {
                        String ref = lexer.stringVal();
                        if ("@".equals(ref)) {
                            object = context.object;
                        } else if ("..".equals(ref)) {
                            ParseContext parentContext = context.parent;
                            if (parentContext.object != null) {
                                object = parentContext.object;
                            } else {
                                parser.addResolveTask(new ResolveTask(parentContext, ref));
                                parser.resolveStatus = DefaultJSONParser.NeedToResolve;
                            }
                        } else if ("$".equals(ref)) {
                            ParseContext rootContext = context;
                            while (rootContext.parent != null) {
                                rootContext = rootContext.parent;
                            }
                            if (rootContext.object != null) {
                                object = rootContext.object;
                            } else {
                                parser.addResolveTask(new ResolveTask(rootContext, ref));
                                parser.resolveStatus = DefaultJSONParser.NeedToResolve;
                            }
                        } else {
                            parser.addResolveTask(new ResolveTask(context, ref));
                            parser.resolveStatus = DefaultJSONParser.NeedToResolve;
                        }
                    } else {
                        throw new JSONException("illegal ref, " + JSONToken.name(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 (typeName.equals(beanInfo.typeName) || parser.isEnabled(Feature.IgnoreAutoType)) {
                            if (lexer.token() == JSONToken.RBRACE) {
                                lexer.nextToken();
                                break;
                            }
                            continue;
                        }
                        ParserConfig config = parser.getConfig();
                        ObjectDeserializer deserializer = getSeeAlso(config, this.beanInfo, typeName);
                        Class<?> userType = null;
                        if (deserializer == null) {
                            Class<?> expectClass = TypeUtils.getClass(type);
                            userType = config.checkAutoType(typeName, expectClass);
                            deserializer = parser.getConfig().getDeserializer(userType);
                        }
                        return (T) deserializer.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.length);
                }
                childContext = parser.setContext(context, object, fieldName);
            }
            if (matchField) {
                if (!valueParsed) {
                    fieldDeser.parseField(parser, object, type, fieldValues);
                } else {
                    if (object == null) {
                        fieldValues.put(fieldInfo.name, fieldValue);
                    } else if (fieldValue == null) {
                        if (//
                        fieldClass != int.class && //
                        fieldClass != long.class && //
                        fieldClass != float.class && //
                        fieldClass != double.class && //
                        fieldClass != boolean.class) {
                            fieldDeser.setValue(object, fieldValue);
                        }
                    } else {
                        fieldDeser.setValue(object, fieldValue);
                    }
                    if (lexer.matchStat == JSONLexer.END) {
                        break;
                    }
                }
            } else {
                boolean match = parseField(parser, key, object, type, fieldValues, setFlags);
                if (!match) {
                    if (lexer.token() == JSONToken.RBRACE) {
                        lexer.nextToken();
                        break;
                    }
                    continue;
                } else if (lexer.token() == JSONToken.COLON) {
                    throw new JSONException("syntax error, unexpect token ':'");
                }
            }
            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) {
                object = createInstance(parser, type);
                if (childContext == null) {
                    childContext = parser.setContext(context, object, fieldName);
                }
                return (T) object;
            }
            FieldInfo[] fieldInfoList = beanInfo.fields;
            int size = fieldInfoList.length;
            Object[] params = new Object[size];
            for (int i = 0; i < size; ++i) {
                FieldInfo fieldInfo = fieldInfoList[i];
                Object param = fieldValues.get(fieldInfo.name);
                if (param == null) {
                    Type fieldType = fieldInfo.fieldType;
                    if (fieldType == byte.class) {
                        param = (byte) 0;
                    } else if (fieldType == short.class) {
                        param = (short) 0;
                    } else if (fieldType == int.class) {
                        param = 0;
                    } else if (fieldType == long.class) {
                        param = 0L;
                    } else if (fieldType == float.class) {
                        param = 0F;
                    } else if (fieldType == double.class) {
                        param = 0D;
                    } else if (fieldType == boolean.class) {
                        param = Boolean.FALSE;
                    }
                }
                params[i] = param;
            }
            if (beanInfo.creatorConstructor != null) {
                try {
                    object = beanInfo.creatorConstructor.newInstance(params);
                } catch (Exception e) {
                    throw new JSONException("create instance error, " + beanInfo.creatorConstructor.toGenericString(), e);
                }
            } else if (beanInfo.factoryMethod != null) {
                try {
                    object = beanInfo.factoryMethod.invoke(null, params);
                } catch (Exception e) {
                    throw new JSONException("create factory method error, " + beanInfo.factoryMethod.toString(), e);
                }
            }
        }
        Method buildMethod = beanInfo.buildMethod;
        if (buildMethod == null) {
            return (T) object;
        }
        Object builtObj;
        try {
            builtObj = buildMethod.invoke(object);
        } catch (Exception e) {
            throw new JSONException("build object error", e);
        }
        return (T) builtObj;
    } finally {
        if (childContext != null) {
            childContext.object = object;
        }
        parser.setContext(context);
    }
}

Example 14 with FieldInfo

use of com.alibaba.fastjson.util.FieldInfo in project fastjson by alibaba.

the class JavaBeanDeserializer method createInstance.

public Object createInstance(DefaultJSONParser parser, Type type) {
    if (type instanceof Class) {
        if (clazz.isInterface()) {
            Class<?> clazz = (Class<?>) type;
            ClassLoader loader = Thread.currentThread().getContextClassLoader();
            final JSONObject obj = new JSONObject();
            Object proxy = Proxy.newProxyInstance(loader, new Class<?>[] { clazz }, obj);
            return proxy;
        }
    }
    if (beanInfo.defaultConstructor == null) {
        return null;
    }
    Object object;
    try {
        Constructor<?> constructor = beanInfo.defaultConstructor;
        if (beanInfo.defaultConstructorParameterSize == 0) {
            object = constructor.newInstance();
        } else {
            ParseContext context = parser.getContext();
            if (context == null || context.object == null) {
                throw new JSONException("can't create non-static inner class instance.");
            }
            String parentName = context.object.getClass().getName();
            String typeName = "";
            if (type instanceof Class) {
                typeName = ((Class<?>) type).getName();
            }
            if (parentName.length() != typeName.lastIndexOf('$') - 1) {
                char[] typeChars = typeName.toCharArray();
                StringBuilder clsNameBuilder = new StringBuilder();
                clsNameBuilder.append(parentName).append("$");
                Map<String, Object> outterCached = new HashMap<String, Object>();
                //outtest
                outterCached.put(parentName, context.object);
                for (int i = parentName.length() + 1; i <= typeName.lastIndexOf('$'); i++) {
                    char thisChar = typeChars[i];
                    if (thisChar == '$') {
                        String clsName = clsNameBuilder.toString();
                        Object outter = outterCached.get(parentName);
                        Class<?> clazz;
                        try {
                            clazz = Class.forName(parentName);
                            if (outter != null) {
                                Class<?> innerCls = Class.forName(clsName);
                                Constructor<?> innerClsConstructor = innerCls.getDeclaredConstructor(clazz);
                                if (!innerClsConstructor.isAccessible()) {
                                    innerClsConstructor.setAccessible(true);
                                }
                                Object inner = innerClsConstructor.newInstance(outter);
                                outterCached.put(clsName, inner);
                                parentName = clsName;
                            }
                        } catch (ClassNotFoundException e) {
                            throw new JSONException("unable to find class " + parentName);
                        } catch (NoSuchMethodException e) {
                            // no default contrutor
                            throw new RuntimeException(e);
                        } catch (InvocationTargetException e) {
                            throw new RuntimeException("can not instantiate " + clsName);
                        } catch (IllegalAccessException e) {
                            throw new RuntimeException(e);
                        } catch (InstantiationException e) {
                            throw new RuntimeException(e);
                        }
                    }
                    clsNameBuilder.append(thisChar);
                }
                object = constructor.newInstance(outterCached.get(parentName));
            } else {
                object = constructor.newInstance(context.object);
            }
        }
    } catch (Exception e) {
        throw new JSONException("create instance error, class " + clazz.getName(), e);
    }
    if (// 
    parser != null && parser.lexer.isEnabled(Feature.InitStringFieldAsEmpty)) {
        for (FieldInfo fieldInfo : beanInfo.fields) {
            if (fieldInfo.fieldClass == String.class) {
                try {
                    fieldInfo.set(object, "");
                } catch (Exception e) {
                    throw new JSONException("create instance error, class " + clazz.getName(), e);
                }
            }
        }
    }
    return object;
}

Example 15 with FieldInfo

use of com.alibaba.fastjson.util.FieldInfo in project fastjson by alibaba.

the class ASMSerializerFactory method createJavaBeanSerializer.

public JavaBeanSerializer createJavaBeanSerializer(SerializeBeanInfo beanInfo) throws Exception {
    Class<?> clazz = beanInfo.beanType;
    if (clazz.isPrimitive()) {
        throw new JSONException("unsupportd class " + clazz.getName());
    }
    JSONType jsonType = clazz.getAnnotation(JSONType.class);
    FieldInfo[] unsortedGetters = beanInfo.fields;
    ;
    for (FieldInfo fieldInfo : unsortedGetters) {
        if (//
        fieldInfo.field == null && //
        fieldInfo.method != null && fieldInfo.method.getDeclaringClass().isInterface()) {
            return new JavaBeanSerializer(clazz);
        }
    }
    FieldInfo[] getters = beanInfo.sortedFields;
    boolean nativeSorted = beanInfo.sortedFields == beanInfo.fields;
    if (getters.length > 256) {
        return new JavaBeanSerializer(clazz);
    }
    for (FieldInfo getter : getters) {
        if (!ASMUtils.checkName(getter.getMember().getName())) {
            return new JavaBeanSerializer(clazz);
        }
    }
    String className = "ASMSerializer_" + seed.incrementAndGet() + "_" + clazz.getSimpleName();
    String packageName = ASMSerializerFactory.class.getPackage().getName();
    String classNameType = packageName.replace('.', '/') + "/" + className;
    String classNameFull = packageName + "." + className;
    ClassWriter cw = new ClassWriter();
    //
    cw.visit(//
    V1_5, //
    ACC_PUBLIC + ACC_SUPER, //
    classNameType, //
    JavaBeanSerializer, //
    new String[] { ObjectSerializer });
    for (FieldInfo fieldInfo : getters) {
        if (//
        fieldInfo.fieldClass.isPrimitive() || //|| fieldInfo.fieldClass.isEnum() //
        fieldInfo.fieldClass == String.class) {
            continue;
        }
        //
        new FieldWriter(cw, ACC_PUBLIC, fieldInfo.name + "_asm_fieldType", "Ljava/lang/reflect/Type;").visitEnd();
        if (List.class.isAssignableFrom(fieldInfo.fieldClass)) {
            new FieldWriter(cw, ACC_PUBLIC, fieldInfo.name + "_asm_list_item_ser_", //
            ObjectSerializer_desc).visitEnd();
        }
        //
        new FieldWriter(cw, ACC_PUBLIC, fieldInfo.name + "_asm_ser_", ObjectSerializer_desc).visitEnd();
    }
    MethodVisitor mw = new MethodWriter(cw, ACC_PUBLIC, "<init>", "(" + desc(SerializeBeanInfo.class) + ")V", null, null);
    mw.visitVarInsn(ALOAD, 0);
    mw.visitVarInsn(ALOAD, 1);
    mw.visitMethodInsn(INVOKESPECIAL, JavaBeanSerializer, "<init>", "(" + desc(SerializeBeanInfo.class) + ")V");
    // init _asm_fieldType
    for (int i = 0; i < getters.length; ++i) {
        FieldInfo fieldInfo = getters[i];
        if (//
        fieldInfo.fieldClass.isPrimitive() || //                || fieldInfo.fieldClass.isEnum() //
        fieldInfo.fieldClass == String.class) {
            continue;
        }
        mw.visitVarInsn(ALOAD, 0);
        if (fieldInfo.method != null) {
            mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(fieldInfo.declaringClass)));
            mw.visitLdcInsn(fieldInfo.method.getName());
            mw.visitMethodInsn(INVOKESTATIC, type(ASMUtils.class), "getMethodType", "(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/reflect/Type;");
        } else {
            mw.visitVarInsn(ALOAD, 0);
            mw.visitLdcInsn(i);
            mw.visitMethodInsn(INVOKESPECIAL, JavaBeanSerializer, "getFieldType", "(I)Ljava/lang/reflect/Type;");
        }
        mw.visitFieldInsn(PUTFIELD, classNameType, fieldInfo.name + "_asm_fieldType", "Ljava/lang/reflect/Type;");
    }
    mw.visitInsn(RETURN);
    mw.visitMaxs(4, 4);
    mw.visitEnd();
    boolean DisableCircularReferenceDetect = false;
    if (jsonType != null) {
        for (SerializerFeature featrues : jsonType.serialzeFeatures()) {
            if (featrues == SerializerFeature.DisableCircularReferenceDetect) {
                DisableCircularReferenceDetect = true;
                break;
            }
        }
    }
    // 2 writeNonContext
    for (int i = 0; i < 3; ++i) {
        String methodName;
        boolean nonContext = DisableCircularReferenceDetect;
        boolean writeDirect = false;
        if (i == 0) {
            methodName = "write";
            writeDirect = true;
        } else if (i == 1) {
            methodName = "writeNormal";
        } else {
            writeDirect = true;
            nonContext = true;
            methodName = "writeDirectNonContext";
        }
        Context context = new Context(getters, beanInfo, classNameType, writeDirect, nonContext);
        mw = new //
        MethodWriter(//
        cw, //
        ACC_PUBLIC, //
        methodName, "(L" + JSONSerializer + //
        ";Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;I)V", //
        null, //
        new String[] { "java/io/IOException" });
        {
            Label endIf_ = new Label();
            mw.visitVarInsn(ALOAD, Context.obj);
            //serializer.writeNull();
            mw.visitJumpInsn(IFNONNULL, endIf_);
            mw.visitVarInsn(ALOAD, Context.serializer);
            mw.visitMethodInsn(INVOKEVIRTUAL, JSONSerializer, "writeNull", "()V");
            mw.visitInsn(RETURN);
            mw.visitLabel(endIf_);
        }
        mw.visitVarInsn(ALOAD, Context.serializer);
        mw.visitFieldInsn(GETFIELD, JSONSerializer, "out", SerializeWriter_desc);
        mw.visitVarInsn(ASTORE, context.var("out"));
        if (//
        (!nativeSorted) && !context.writeDirect) {
            if (jsonType == null || jsonType.alphabetic()) {
                Label _else = new Label();
                mw.visitVarInsn(ALOAD, context.var("out"));
                mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "isSortField", "()Z");
                mw.visitJumpInsn(IFNE, _else);
                mw.visitVarInsn(ALOAD, 0);
                mw.visitVarInsn(ALOAD, 1);
                mw.visitVarInsn(ALOAD, 2);
                mw.visitVarInsn(ALOAD, 3);
                mw.visitVarInsn(ALOAD, 4);
                mw.visitVarInsn(ILOAD, 5);
                mw.visitMethodInsn(INVOKEVIRTUAL, classNameType, "writeUnsorted", "(L" + JSONSerializer + ";Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;I)V");
                mw.visitInsn(RETURN);
                mw.visitLabel(_else);
            }
        }
        // isWriteDoubleQuoteDirect
        if (context.writeDirect && !nonContext) {
            Label _direct = new Label();
            Label _directElse = new Label();
            mw.visitVarInsn(ALOAD, 0);
            mw.visitVarInsn(ALOAD, Context.serializer);
            mw.visitMethodInsn(INVOKEVIRTUAL, JavaBeanSerializer, "writeDirect", "(L" + JSONSerializer + ";)Z");
            mw.visitJumpInsn(IFNE, _directElse);
            mw.visitVarInsn(ALOAD, 0);
            mw.visitVarInsn(ALOAD, 1);
            mw.visitVarInsn(ALOAD, 2);
            mw.visitVarInsn(ALOAD, 3);
            mw.visitVarInsn(ALOAD, 4);
            mw.visitVarInsn(ILOAD, 5);
            mw.visitMethodInsn(INVOKEVIRTUAL, classNameType, "writeNormal", "(L" + JSONSerializer + ";Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;I)V");
            mw.visitInsn(RETURN);
            mw.visitLabel(_directElse);
            mw.visitVarInsn(ALOAD, context.var("out"));
            mw.visitLdcInsn(SerializerFeature.DisableCircularReferenceDetect.mask);
            mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "isEnabled", "(I)Z");
            mw.visitJumpInsn(IFEQ, _direct);
            mw.visitVarInsn(ALOAD, 0);
            mw.visitVarInsn(ALOAD, 1);
            mw.visitVarInsn(ALOAD, 2);
            mw.visitVarInsn(ALOAD, 3);
            mw.visitVarInsn(ALOAD, 4);
            mw.visitVarInsn(ILOAD, 5);
            mw.visitMethodInsn(INVOKEVIRTUAL, classNameType, "writeDirectNonContext", "(L" + JSONSerializer + ";Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;I)V");
            mw.visitInsn(RETURN);
            mw.visitLabel(_direct);
        }
        // obj
        mw.visitVarInsn(ALOAD, Context.obj);
        // serializer
        mw.visitTypeInsn(CHECKCAST, type(clazz));
        // obj
        mw.visitVarInsn(ASTORE, context.var("entity"));
        generateWriteMethod(clazz, mw, getters, context);
        mw.visitInsn(RETURN);
        mw.visitMaxs(7, context.variantIndex + 2);
        mw.visitEnd();
    }
    if (!nativeSorted) {
        // sortField support
        Context context = new Context(getters, beanInfo, classNameType, false, DisableCircularReferenceDetect);
        mw = new MethodWriter(cw, ACC_PUBLIC, "writeUnsorted", "(L" + JSONSerializer + ";Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;I)V", null, new String[] { "java/io/IOException" });
        mw.visitVarInsn(ALOAD, Context.serializer);
        mw.visitFieldInsn(GETFIELD, JSONSerializer, "out", SerializeWriter_desc);
        mw.visitVarInsn(ASTORE, context.var("out"));
        // obj
        mw.visitVarInsn(ALOAD, Context.obj);
        // serializer
        mw.visitTypeInsn(CHECKCAST, type(clazz));
        // obj
        mw.visitVarInsn(ASTORE, context.var("entity"));
        generateWriteMethod(clazz, mw, unsortedGetters, context);
        mw.visitInsn(RETURN);
        mw.visitMaxs(7, context.variantIndex + 2);
        mw.visitEnd();
    }
    // 2 writeAsArrayNonContext
    for (int i = 0; i < 3; ++i) {
        String methodName;
        boolean nonContext = DisableCircularReferenceDetect;
        boolean writeDirect = false;
        if (i == 0) {
            methodName = "writeAsArray";
            writeDirect = true;
        } else if (i == 1) {
            methodName = "writeAsArrayNormal";
        } else {
            writeDirect = true;
            nonContext = true;
            methodName = "writeAsArrayNonContext";
        }
        Context context = new Context(getters, beanInfo, classNameType, writeDirect, nonContext);
        mw = new MethodWriter(cw, ACC_PUBLIC, methodName, "(L" + JSONSerializer + ";Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;I)V", null, new String[] { "java/io/IOException" });
        mw.visitVarInsn(ALOAD, Context.serializer);
        mw.visitFieldInsn(GETFIELD, JSONSerializer, "out", SerializeWriter_desc);
        mw.visitVarInsn(ASTORE, context.var("out"));
        // obj
        mw.visitVarInsn(ALOAD, Context.obj);
        // serializer
        mw.visitTypeInsn(CHECKCAST, type(clazz));
        // obj
        mw.visitVarInsn(ASTORE, context.var("entity"));
        generateWriteAsArray(clazz, mw, getters, context);
        mw.visitInsn(RETURN);
        mw.visitMaxs(7, context.variantIndex + 2);
        mw.visitEnd();
    }
    byte[] code = cw.toByteArray();
    Class<?> exampleClass = classLoader.defineClassPublic(classNameFull, code, 0, code.length);
    Constructor<?> constructor = exampleClass.getConstructor(SerializeBeanInfo.class);
    Object instance = constructor.newInstance(beanInfo);
    return (JavaBeanSerializer) instance;
}