com.alibaba.fastjson2.reader

Class ObjectReaderCreatorASM

java.lang.Object

com.alibaba.fastjson2.reader.ObjectReaderCreator

com.alibaba.fastjson2.reader.ObjectReaderCreatorASM

public class ObjectReaderCreatorASM
extends ObjectReaderCreator

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	ObjectReaderCreatorASM.FieldReaderInfo
(package private) static class	ObjectReaderCreatorASM.MethodWriterContext
(package private) static class	ObjectReaderCreatorASM.ObjectReadContext

Nested classes/interfaces inherited from class com.alibaba.fastjson2.reader.ObjectReaderCreator

ObjectReaderCreator.LambdaSetterInfo

Field Summary

Fields

Modifier and Type	Field and Description
protected DynamicClassLoader	classLoader
(package private) static java.lang.String[]	fieldItemObjectReader
(package private) static java.util.Map<java.lang.Class,ObjectReaderCreatorASM.FieldReaderInfo>	infos
static ObjectReaderCreatorASM	INSTANCE
(package private) static java.lang.String	METHOD_DESC_ADAPTER_INIT
(package private) static java.lang.String	METHOD_DESC_ADD_RESOLVE_TASK
(package private) static java.lang.String	METHOD_DESC_CHECK_ARRAY_AUTO_TYPE
(package private) static java.lang.String	METHOD_DESC_GET_FIELD_READER
(package private) static java.lang.String	METHOD_DESC_GET_ITEM_OBJECT_READER
(package private) static java.lang.String	METHOD_DESC_GET_OBJECT_READER_1
(package private) static java.lang.String	METHOD_DESC_INIT
(package private) static java.lang.String	METHOD_DESC_JSON_READER_CHECK_ARRAY_AUTO_TYPE
(package private) static java.lang.String	METHOD_DESC_PROCESS_EXTRA
(package private) static java.lang.String	METHOD_DESC_READ_ARRAY_MAPPING_JSONB_OBJECT0
(package private) static java.lang.String	METHOD_DESC_READ_FIELD_VALUE
(package private) static java.lang.String	METHOD_DESC_READ_OBJECT
(package private) static java.lang.String	packageName
(package private) static java.lang.String	READ_FIELD_READER_UL
protected static java.util.concurrent.atomic.AtomicLong	seed
(package private) static int	THIS
private static java.lang.String[]	TYPE_OBJECT_READERS

Fields inherited from class com.alibaba.fastjson2.reader.ObjectReaderCreator

JIT, jitErrorCount, jitErrorLast, methodTypeMapping

Constructor Summary

Constructors

Constructor and Description
ObjectReaderCreatorASM(java.lang.ClassLoader classLoader)

Method Summary

Modifier and Type	Method and Description
private static int[]	buildHashCode32Map(long[] hashCodes, java.util.Map<java.lang.Integer,java.util.List<java.lang.Long>> outMap) Build a sorted map from hashCode32 to list of hashCode64 values, and return sorted hashCode32 keys.
java.util.function.Function<java.util.function.Consumer,ByteArrayValueConsumer>	createByteArrayValueConsumerCreator(java.lang.Class objectClass, FieldReader[] fieldReaderArray)
java.util.function.Function<java.util.function.Consumer,CharArrayValueConsumer>	createCharArrayValueConsumerCreator(java.lang.Class objectClass, FieldReader[] fieldReaderArray)
protected <T> ObjectReaderNoneDefaultConstructor	createNoneDefaultConstructorObjectReader(java.lang.Class objectClass, BeanInfo beanInfo, java.util.function.Function<java.util.Map<java.lang.Long,java.lang.Object>,T> constructorFunction, java.util.List<java.lang.reflect.Constructor> alternateConstructors, java.lang.String[] parameterNames, FieldReader[] paramFieldReaders, FieldReader[] fieldReaderArray)
private void	createObjectForNonConstructor(ObjectReaderCreatorASM.ObjectReadContext context, ObjectReaderCreatorASM.MethodWriterContext mwc)
<T> ObjectReader<T>	createObjectReader(java.lang.Class<T> objectClass, java.lang.String typeKey, java.lang.String rootName, long features, JSONSchema schema, java.util.function.Supplier<T> defaultCreator, java.util.function.Function buildFunction, FieldReader... fieldReaders) Creates an ObjectReader for the specified object type with comprehensive configuration including root name.
<T> ObjectReader<T>	createObjectReader(java.lang.Class<T> objectClass, java.lang.reflect.Type objectType, boolean fieldBased, ObjectReaderProvider provider)
private java.util.function.Function	createValueConsumer0(java.lang.Class objectClass, FieldReader[] fieldReaderArray, boolean bytes)
(package private) static java.lang.String	fieldItemObjectReader(int i)
(package private) static java.lang.String	fieldObjectReader(int i)
private void	genCheckAutoType(java.lang.String classNameType, ObjectReaderCreatorASM.MethodWriterContext mwc)
private <T> void	genCreateObject(MethodWriter mw, ObjectReaderCreatorASM.ObjectReadContext context, java.lang.String classNameType)
private void	genFields(FieldReader[] fieldReaderArray, ClassWriter cw, java.lang.String objectReaderSuper)
private void	genInitFields(FieldReader[] fieldReaderArray, java.lang.String classNameType, boolean generatedFields, int FIELD_READER_ARRAY, MethodWriter mw, java.lang.String objectReaderSuper)
private static void	genInitForNonDefaultConstructor(FieldReader[] fieldReaderArray, ObjectReaderCreatorASM.MethodWriterContext mwc)
private void	genMethodGetFieldReader(ObjectReaderCreatorASM.ObjectReadContext context)
private void	genMethodGetFieldReaderImpl(ObjectReaderCreatorASM.ObjectReadContext context, java.lang.String methodName, long[] hashCodes, short[] mapping, java.util.function.ToLongFunction<FieldReader> hashExtractor)
private void	genMethodGetFieldReaderLCase(ObjectReaderCreatorASM.ObjectReadContext context)
private <T> void	genMethodReadJSONBObject(ObjectReaderCreatorASM.ObjectReadContext context, long readerFeatures)
private <T> void	genMethodReadJSONBObjectArrayMapping(ObjectReaderCreatorASM.ObjectReadContext context, long readerFeatures)
private <T> void	genMethodReadObject(ObjectReaderCreatorASM.ObjectReadContext context, long readerFeatures)
private void	genRead243(ObjectReaderCreatorASM.ObjectReadContext context, boolean fieldBased, ObjectReaderCreatorASM.MethodWriterContext mwc, int OBJECT, Label L_FOR_INC, Label hashCode64Start)
private void	genRead57(ObjectReaderCreatorASM.ObjectReadContext context, boolean fieldBased, ObjectReaderCreatorASM.MethodWriterContext mwc, int OBJECT, Label L_FOR_INC, Label hashCode64Start)
private void	genReadEnumValueRaw(FieldReader fieldReader, java.lang.String classNameType, ObjectReaderCreatorASM.MethodWriterContext mwc, int fieldIndex, java.lang.reflect.Type fieldType, java.lang.Class fieldClass, long fieldFeatures, java.lang.String FIELD_OBJECT_READER)
private <T> void	genReadFieldValue(ObjectReaderCreatorASM.ObjectReadContext context, FieldReader fieldReader, boolean fieldBased, ObjectReaderCreatorASM.MethodWriterContext mwc, int OBJECT, int fieldReaderIndex, boolean arrayMapping)
private void	genReadFieldValueList(FieldReader fieldReader, java.lang.String classNameType, ObjectReaderCreatorASM.MethodWriterContext mwc, int OBJECT, int i, boolean arrayMapping, java.lang.Class objectClass, java.lang.Class fieldClass, java.lang.reflect.Type fieldType, long fieldFeatures, java.lang.reflect.Type itemType, java.lang.String TYPE_FIELD_CLASS, ObjectReaderCreatorASM.ObjectReadContext context, boolean fieldBased)
private void	genReadHashCode64ValueForNonDefaultConstructor(ObjectReaderCreatorASM.ObjectReadContext context, ObjectReaderCreatorASM.MethodWriterContext mwc, int HASH_CODE64, boolean fieldBased, int OBJECT, Label L_FOR_INC)
private void	genReadObject(FieldReader fieldReader, java.lang.String classNameType, ObjectReaderCreatorASM.MethodWriterContext mwc, int i, java.lang.reflect.Type fieldType, long fieldFeatures, java.lang.String FIELD_OBJECT_READER)
private void	gwGetFieldType(java.lang.String classNameType, MethodWriter mw, int i, java.lang.reflect.Type fieldType)
private <T> ObjectReaderBean	jitObjectReader(java.lang.Class<T> objectClass, java.lang.reflect.Type objectType, boolean fieldBased, boolean externalClass, int objectClassModifiers, BeanInfo beanInfo, java.util.function.Supplier<T> defaultCreator, FieldReader[] fieldReaderArray, java.lang.reflect.Constructor defaultConstructor)
private static void	newObject(MethodWriter mw, java.lang.String TYPE_OBJECT, java.lang.reflect.Constructor defaultConstructor)

Methods inherited from class com.alibaba.fastjson2.reader.ObjectReaderCreator

createBuildFunction, createBuildFunctionLambda, createEnumReader, createFactoryFunction, createFieldReader, createFieldReader, createFieldReader, createFieldReader, createFieldReader, createFieldReader, createFieldReader, createFieldReader, createFieldReader, createFieldReader, createFieldReader, createFieldReader, createFieldReader, createFieldReader, createFieldReaderLambda, createFieldReaderMethod, createFieldReaderMethod, createFieldReaderMethod, createFieldReaderParam, createFieldReaderParam, createFieldReaderParam, createFieldReaders, createFieldReaders, createFieldReaders, createFieldReaders, createFunction, createFunction, createIntFunction, createIntFunction, createObjectReader, createObjectReader, createObjectReader, createObjectReader, createObjectReader, createObjectReader, createObjectReader, createObjectReaderFactoryMethod, createObjectReaderNoneDefaultConstructor, createObjectReaderNoneDefaultConstructor, createObjectReaderSeeAlso, createObjectReaderSeeAlso, createObjectReaderSeeAlso, createObjectReaderSeeAlso, createObjectReaderWithBuilder, createObjectReaderWithCreator, createStringFunction, createStringFunction, createSupplier, createSupplier, createSupplier, createValueFunction, createValueFunction, getInitReader, lambdaSetter

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INSTANCE

public static final ObjectReaderCreatorASM INSTANCE

seed

protected static final java.util.concurrent.atomic.AtomicLong seed

classLoader

protected final DynamicClassLoader classLoader

METHOD_DESC_GET_ITEM_OBJECT_READER

static final java.lang.String METHOD_DESC_GET_ITEM_OBJECT_READER

METHOD_DESC_GET_OBJECT_READER_1

static final java.lang.String METHOD_DESC_GET_OBJECT_READER_1

METHOD_DESC_INIT

static final java.lang.String METHOD_DESC_INIT

METHOD_DESC_ADAPTER_INIT

static final java.lang.String METHOD_DESC_ADAPTER_INIT

METHOD_DESC_READ_OBJECT

static final java.lang.String METHOD_DESC_READ_OBJECT

METHOD_DESC_GET_FIELD_READER

static final java.lang.String METHOD_DESC_GET_FIELD_READER

METHOD_DESC_READ_FIELD_VALUE

static final java.lang.String METHOD_DESC_READ_FIELD_VALUE

READ_FIELD_READER_UL

static final java.lang.String READ_FIELD_READER_UL

METHOD_DESC_ADD_RESOLVE_TASK

static final java.lang.String METHOD_DESC_ADD_RESOLVE_TASK

METHOD_DESC_CHECK_ARRAY_AUTO_TYPE

static final java.lang.String METHOD_DESC_CHECK_ARRAY_AUTO_TYPE

METHOD_DESC_PROCESS_EXTRA

static final java.lang.String METHOD_DESC_PROCESS_EXTRA

METHOD_DESC_JSON_READER_CHECK_ARRAY_AUTO_TYPE

static final java.lang.String METHOD_DESC_JSON_READER_CHECK_ARRAY_AUTO_TYPE

METHOD_DESC_READ_ARRAY_MAPPING_JSONB_OBJECT0

static final java.lang.String METHOD_DESC_READ_ARRAY_MAPPING_JSONB_OBJECT0

THIS

static final int THIS

See Also:

Constant Field Values

packageName

static final java.lang.String packageName

infos

static final java.util.Map<java.lang.Class,ObjectReaderCreatorASM.FieldReaderInfo> infos

TYPE_OBJECT_READERS

private static final java.lang.String[] TYPE_OBJECT_READERS

fieldItemObjectReader

static final java.lang.String[] fieldItemObjectReader

Constructor Detail

ObjectReaderCreatorASM

public ObjectReaderCreatorASM(java.lang.ClassLoader classLoader)

Method Detail

fieldObjectReader

static java.lang.String fieldObjectReader(int i)

fieldItemObjectReader

static java.lang.String fieldItemObjectReader(int i)

buildHashCode32Map

private static int[] buildHashCode32Map(long[] hashCodes,
                                        java.util.Map<java.lang.Integer,java.util.List<java.lang.Long>> outMap)

Build a sorted map from hashCode32 to list of hashCode64 values, and return sorted hashCode32 keys.

createObjectReader

public <T> ObjectReader<T> createObjectReader(java.lang.Class<T> objectClass,
                                              java.lang.reflect.Type objectType,
                                              boolean fieldBased,
                                              ObjectReaderProvider provider)

Overrides:

createObjectReader in class ObjectReaderCreator

createNoneDefaultConstructorObjectReader

protected <T> ObjectReaderNoneDefaultConstructor createNoneDefaultConstructorObjectReader(java.lang.Class objectClass,
                                                                                          BeanInfo beanInfo,
                                                                                          java.util.function.Function<java.util.Map<java.lang.Long,java.lang.Object>,T> constructorFunction,
                                                                                          java.util.List<java.lang.reflect.Constructor> alternateConstructors,
                                                                                          java.lang.String[] parameterNames,
                                                                                          FieldReader[] paramFieldReaders,
                                                                                          FieldReader[] fieldReaderArray)

Overrides:

createNoneDefaultConstructorObjectReader in class ObjectReaderCreator

createObjectReader

public <T> ObjectReader<T> createObjectReader(java.lang.Class<T> objectClass,
                                              java.lang.String typeKey,
                                              java.lang.String rootName,
                                              long features,
                                              JSONSchema schema,
                                              java.util.function.Supplier<T> defaultCreator,
                                              java.util.function.Function buildFunction,
                                              FieldReader... fieldReaders)

Description copied from class: ObjectReaderCreator

Creates an ObjectReader for the specified object type with comprehensive configuration including root name.

Overrides:

createObjectReader in class ObjectReaderCreator

Type Parameters:

T - the type of objects that the ObjectReader can deserialize

Parameters:

objectClass - the class of objects to deserialize

typeKey - the type key to use

rootName - the root name to use

features - the features to use for deserialization

schema - the JSON schema to use

defaultCreator - the supplier function to create new instances of the object

buildFunction - the build function to use

fieldReaders - the field readers to use for deserialization

Returns:

an ObjectReader instance for the specified type

jitObjectReader

private <T> ObjectReaderBean jitObjectReader(java.lang.Class<T> objectClass,
                                             java.lang.reflect.Type objectType,
                                             boolean fieldBased,
                                             boolean externalClass,
                                             int objectClassModifiers,
                                             BeanInfo beanInfo,
                                             java.util.function.Supplier<T> defaultCreator,
                                             FieldReader[] fieldReaderArray,
                                             java.lang.reflect.Constructor defaultConstructor)

newObject

private static void newObject(MethodWriter mw,
                              java.lang.String TYPE_OBJECT,
                              java.lang.reflect.Constructor defaultConstructor)

genMethodGetFieldReader

private void genMethodGetFieldReader(ObjectReaderCreatorASM.ObjectReadContext context)

genMethodGetFieldReaderLCase

private void genMethodGetFieldReaderLCase(ObjectReaderCreatorASM.ObjectReadContext context)

genMethodGetFieldReaderImpl

private void genMethodGetFieldReaderImpl(ObjectReaderCreatorASM.ObjectReadContext context,
                                         java.lang.String methodName,
                                         long[] hashCodes,
                                         short[] mapping,
                                         java.util.function.ToLongFunction<FieldReader> hashExtractor)

genInitFields

private void genInitFields(FieldReader[] fieldReaderArray,
                           java.lang.String classNameType,
                           boolean generatedFields,
                           int FIELD_READER_ARRAY,
                           MethodWriter mw,
                           java.lang.String objectReaderSuper)

genFields

private void genFields(FieldReader[] fieldReaderArray,
                       ClassWriter cw,
                       java.lang.String objectReaderSuper)

genMethodReadJSONBObject

private <T> void genMethodReadJSONBObject(ObjectReaderCreatorASM.ObjectReadContext context,
                                          long readerFeatures)

      class Bean {
          private String field1;
          private int field2;
      }

      public void readJSONBObject(JSONReader jsonReader, Type fieldType, Object fieldName, long features) {
          features = jsonReader.features(features);
          if (nextIfNull()) {
              return null;
          }

          jsonReader.errorOnNoneSerializable(this.objectClass);

          if (jsonReader.isArray() && jsonReader.isSupportBeanArray()) {
              return readArrayMappingObject(jsonReader, fieldType, fieldName, features);
          }

          Bean object = new Bean();

          jsonReader.nextIfObjectStart();

          for (;;) {
              if (jsonReader.nextIfObjectEnd()) {
                  break;
              }
              switch(jsonReader.getRawInt()) {
                  case field1NameHash32:
                      if(jsonReader.nextIfName4Match2()) {
                          object.field1 = jsonReader.readString();
                          break;
                      }
                      goto hashCode64Start;
                  case field2NameHash32:
                      if(jsonReader.nextIfName4Match2()) {
                          object.field2 = jsonReader.readInt();
                          break;
                      }
                      goto hashCode64Start;
                  default:
                      goto hashCode64Start;
              }

              hashCode64Start:
              long hashCode64 = readFieldNameHashCode();

              if (this.typeKeyHashCode == hashCode64) {
                  object = this.autoType(jsonReader);
              }

              switch(jsonReader.getFieldOrdinal(hashCode64)) {
                  case 0:
                      object.field1 = jsonReader.readString();
              }
          }


      }
  

genReadHashCode64ValueForNonDefaultConstructor

private void genReadHashCode64ValueForNonDefaultConstructor(ObjectReaderCreatorASM.ObjectReadContext context,
                                                            ObjectReaderCreatorASM.MethodWriterContext mwc,
                                                            int HASH_CODE64,
                                                            boolean fieldBased,
                                                            int OBJECT,
                                                            Label L_FOR_INC)

genMethodReadJSONBObjectArrayMapping

private <T> void genMethodReadJSONBObjectArrayMapping(ObjectReaderCreatorASM.ObjectReadContext context,
                                                      long readerFeatures)

genCheckAutoType

private void genCheckAutoType(java.lang.String classNameType,
                              ObjectReaderCreatorASM.MethodWriterContext mwc)

genMethodReadObject

private <T> void genMethodReadObject(ObjectReaderCreatorASM.ObjectReadContext context,
                                     long readerFeatures)

createObjectForNonConstructor

private void createObjectForNonConstructor(ObjectReaderCreatorASM.ObjectReadContext context,
                                           ObjectReaderCreatorASM.MethodWriterContext mwc)

genInitForNonDefaultConstructor

private static void genInitForNonDefaultConstructor(FieldReader[] fieldReaderArray,
                                                    ObjectReaderCreatorASM.MethodWriterContext mwc)

genRead243

private void genRead243(ObjectReaderCreatorASM.ObjectReadContext context,
                        boolean fieldBased,
                        ObjectReaderCreatorASM.MethodWriterContext mwc,
                        int OBJECT,
                        Label L_FOR_INC,
                        Label hashCode64Start)

genRead57

private void genRead57(ObjectReaderCreatorASM.ObjectReadContext context,
                       boolean fieldBased,
                       ObjectReaderCreatorASM.MethodWriterContext mwc,
                       int OBJECT,
                       Label L_FOR_INC,
                       Label hashCode64Start)

genCreateObject

private <T> void genCreateObject(MethodWriter mw,
                                 ObjectReaderCreatorASM.ObjectReadContext context,
                                 java.lang.String classNameType)

genReadFieldValue

private <T> void genReadFieldValue(ObjectReaderCreatorASM.ObjectReadContext context,
                                   FieldReader fieldReader,
                                   boolean fieldBased,
                                   ObjectReaderCreatorASM.MethodWriterContext mwc,
                                   int OBJECT,
                                   int fieldReaderIndex,
                                   boolean arrayMapping)

genReadObject

private void genReadObject(FieldReader fieldReader,
                           java.lang.String classNameType,
                           ObjectReaderCreatorASM.MethodWriterContext mwc,
                           int i,
                           java.lang.reflect.Type fieldType,
                           long fieldFeatures,
                           java.lang.String FIELD_OBJECT_READER)

genReadEnumValueRaw

private void genReadEnumValueRaw(FieldReader fieldReader,
                                 java.lang.String classNameType,
                                 ObjectReaderCreatorASM.MethodWriterContext mwc,
                                 int fieldIndex,
                                 java.lang.reflect.Type fieldType,
                                 java.lang.Class fieldClass,
                                 long fieldFeatures,
                                 java.lang.String FIELD_OBJECT_READER)

genReadFieldValueList

private void genReadFieldValueList(FieldReader fieldReader,
                                   java.lang.String classNameType,
                                   ObjectReaderCreatorASM.MethodWriterContext mwc,
                                   int OBJECT,
                                   int i,
                                   boolean arrayMapping,
                                   java.lang.Class objectClass,
                                   java.lang.Class fieldClass,
                                   java.lang.reflect.Type fieldType,
                                   long fieldFeatures,
                                   java.lang.reflect.Type itemType,
                                   java.lang.String TYPE_FIELD_CLASS,
                                   ObjectReaderCreatorASM.ObjectReadContext context,
                                   boolean fieldBased)

gwGetFieldType

private void gwGetFieldType(java.lang.String classNameType,
                            MethodWriter mw,
                            int i,
                            java.lang.reflect.Type fieldType)

createByteArrayValueConsumerCreator

public java.util.function.Function<java.util.function.Consumer,ByteArrayValueConsumer> createByteArrayValueConsumerCreator(java.lang.Class objectClass,
                                                                                                                           FieldReader[] fieldReaderArray)

Overrides:

createByteArrayValueConsumerCreator in class ObjectReaderCreator

createCharArrayValueConsumerCreator

public java.util.function.Function<java.util.function.Consumer,CharArrayValueConsumer> createCharArrayValueConsumerCreator(java.lang.Class objectClass,
                                                                                                                           FieldReader[] fieldReaderArray)

Overrides:

createCharArrayValueConsumerCreator in class ObjectReaderCreator

createValueConsumer0

private java.util.function.Function createValueConsumer0(java.lang.Class objectClass,
                                                         FieldReader[] fieldReaderArray,
                                                         boolean bytes)