package com.alibaba.fastjson.serializer;
import static com.alibaba.fastjson.util.ASMUtils.getDesc;
import static com.alibaba.fastjson.util.ASMUtils.getType;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.math.BigDecimal;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicLong;
import com.alibaba.fastjson.JSONException;
import com.alibaba.fastjson.annotation.JSONField;
import com.alibaba.fastjson.annotation.JSONType;
import com.alibaba.fastjson.util.ASMClassLoader;
import com.alibaba.fastjson.util.ASMUtils;
import com.alibaba.fastjson.util.FieldInfo;
import com.alibaba.fastjson.util.TypeUtils;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
public class ASMSerializerFactory implements Opcodes {
private final ASMClassLoader classLoader = new ASMClassLoader();
public ObjectSerializer createJavaBeanSerializer(Class<?> clazz) throws Exception {
return createJavaBeanSerializer(clazz, (Map<String, String>) null);
}
private final AtomicLong seed = new AtomicLong();
public String getGenClassName(Class<?> clazz) {
return "Serializer_" + seed.incrementAndGet();
}
public boolean isExternalClass(Class<?> clazz) {
return classLoader.isExternalClass(clazz);
}
static class Context {
private final String className;
public Context(String className) {
this.className = className;
}
private int variantIndex = 8;
private Map<String, Integer> variants = new HashMap<String, Integer>();
public int serializer() {
return 1;
}
public String getClassName() {
return className;
}
public int obj() {
return 2;
}
public int paramFieldName() {
return 3;
}
public int paramFieldType() {
return 4;
}
public int fieldName() {
return 5;
}
public int original() {
return 6;
}
public int processValue() {
return 7;
}
public int getVariantCount() {
return variantIndex;
}
public int var(String name) {
Integer i = variants.get(name);
if (i == null) {
variants.put(name, variantIndex++);
}
i = variants.get(name);
return i.intValue();
}
public int var(String name, int increment) {
Integer i = variants.get(name);
if (i == null) {
variants.put(name, variantIndex);
variantIndex += increment;
}
i = variants.get(name);
return i.intValue();
}
}
public ObjectSerializer createJavaBeanSerializer(Class<?> clazz, Map<String, String> aliasMap) throws Exception {
if (clazz.isPrimitive()) {
throw new JSONException("unsupportd class " + clazz.getName());
}
List<FieldInfo> getters = TypeUtils.computeGetters(clazz, aliasMap, false);
String className = getGenClassName(clazz);
ClassWriter cw = new ClassWriter(0);
cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, className, null, "java/lang/Object",
new String[]{"com/alibaba/fastjson/serializer/ObjectSerializer"});
{
FieldVisitor fw = cw.visitField(ACC_PRIVATE, "nature", getDesc(JavaBeanSerializer.class), null, null);
fw.visitEnd();
}
for (FieldInfo fieldInfo : getters) {
FieldVisitor fw = cw.visitField(ACC_PUBLIC, fieldInfo.getName() + "_asm_fieldType",
"Ljava/lang/reflect/Type;", null, null);
fw.visitEnd();
}
MethodVisitor mw = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
mw.visitVarInsn(ALOAD, 0);
mw.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
// mw.visitFieldInsn(PUTFIELD, context.getClassName(), fieldInfo.getName() + "_asm_prefix__", "[C");
for (FieldInfo fieldInfo : getters) {
mw.visitVarInsn(ALOAD, 0);
mw.visitLdcInsn(org.objectweb.asm.Type.getType(fieldInfo.getDeclaringClass()));
if (fieldInfo.getMethod() != null) {
mw.visitLdcInsn(fieldInfo.getMethod().getName());
mw.visitMethodInsn(INVOKESTATIC, getType(ASMUtils.class), "getMethodType",
"(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/reflect/Type;");
} else {
mw.visitLdcInsn(fieldInfo.getField().getName());
mw.visitMethodInsn(INVOKESTATIC, getType(ASMUtils.class), "getFieldType",
"(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/reflect/Type;");
}
mw.visitFieldInsn(PUTFIELD, className, fieldInfo.getName() + "_asm_fieldType", "Ljava/lang/reflect/Type;");
}
mw.visitInsn(RETURN);
mw.visitMaxs(4, 4);
mw.visitEnd();
{
Context context = new Context(className);
mw = cw.visitMethod(ACC_PUBLIC,
"write",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;)V",
null, new String[]{"java/io/IOException"});
mw.visitVarInsn(ALOAD, context.serializer()); // serializer
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "getWriter",
"()" + getDesc(SerializeWriter.class));
mw.visitVarInsn(ASTORE, context.var("out"));
JSONType jsonType = clazz.getAnnotation(JSONType.class);
if (jsonType == null || jsonType.alphabetic()) {
Label _else = new Label();
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitFieldInsn(GETSTATIC, getType(SerializerFeature.class), "SortField",
"L" + getType(SerializerFeature.class) + ";");
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "isEnabled",
"(" + "L" + getType(SerializerFeature.class) + ";" + ")Z");
mw.visitJumpInsn(IFEQ, _else);
mw.visitVarInsn(ALOAD, 0);
mw.visitVarInsn(ALOAD, 1);
mw.visitVarInsn(ALOAD, 2);
mw.visitVarInsn(ALOAD, 3);
mw.visitVarInsn(ALOAD, context.paramFieldType());
mw.visitMethodInsn(INVOKEVIRTUAL, className, "write1",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;)V");
mw.visitInsn(RETURN);
mw.visitLabel(_else);
}
mw.visitVarInsn(ALOAD, context.obj()); // obj
mw.visitTypeInsn(CHECKCAST, getType(clazz)); // serializer
mw.visitVarInsn(ASTORE, context.var("entity")); // obj
generateWriteMethod(clazz, mw, getters, context);
mw.visitInsn(RETURN);
mw.visitMaxs(5, context.getVariantCount() + 1);
mw.visitEnd();
}
List<FieldInfo> sortedGetters = TypeUtils.computeGetters(clazz, aliasMap, true);
{
// sortField support
Context context = new Context(className);
mw = cw.visitMethod(ACC_PUBLIC,
"write1",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;)V",
null, new String[]{"java/io/IOException"});
mw.visitVarInsn(ALOAD, context.serializer()); // serializer
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "getWriter",
"()" + getDesc(SerializeWriter.class));
mw.visitVarInsn(ASTORE, context.var("out"));
mw.visitVarInsn(ALOAD, context.obj()); // obj
mw.visitTypeInsn(CHECKCAST, getType(clazz)); // serializer
mw.visitVarInsn(ASTORE, context.var("entity")); // obj
generateWriteMethod(clazz, mw, sortedGetters, context);
mw.visitInsn(RETURN);
mw.visitMaxs(5, context.getVariantCount() + 1);
mw.visitEnd();
}
byte[] code = cw.toByteArray();
//
// org.apache.commons.io.IOUtils.write(code, new java.io.FileOutputStream(
// "/usr/alibaba/workspace-3.7/fastjson-asm/target/classes/"
// + className + ".class"));
Class<?> exampleClass = classLoader.defineClassPublic(className, code, 0, code.length);
Object instance = exampleClass.newInstance();
return (ObjectSerializer) instance;
}
private void generateWriteMethod(Class<?> clazz, MethodVisitor mw, List<FieldInfo> getters, Context context)
throws Exception {
Label end = new Label();
int size = getters.size();
{
// 格式化输出不走asm 优化
Label endFormat_ = new Label();
Label notNull_ = new Label();
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitFieldInsn(GETSTATIC, getType(SerializerFeature.class), "PrettyFormat",
"L" + getType(SerializerFeature.class) + ";");
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "isEnabled",
"(" + "L" + getType(SerializerFeature.class) + ";" + ")Z");
mw.visitJumpInsn(IFEQ, endFormat_);
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.getClassName(), "nature", getDesc(JavaBeanSerializer.class));
mw.visitJumpInsn(IFNONNULL, notNull_);
initNature(clazz, mw, context);
// /////
mw.visitLabel(notNull_);
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.getClassName(), "nature", getDesc(JavaBeanSerializer.class));
mw.visitVarInsn(ALOAD, 1);
mw.visitVarInsn(ALOAD, 2);
mw.visitVarInsn(ALOAD, 3);
mw.visitVarInsn(ALOAD, 4);
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JavaBeanSerializer.class), "write",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;)V");
mw.visitInsn(RETURN);
mw.visitLabel(endFormat_);
}
{
// if (serializer.containsReference(object)) {
Label endRef_ = new Label();
Label notNull_ = new Label();
mw.visitVarInsn(ALOAD, context.serializer());
mw.visitVarInsn(ALOAD, context.obj());
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "containsReference",
"(Ljava/lang/Object;)Z");
mw.visitJumpInsn(IFEQ, endRef_);
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.getClassName(), "nature", getDesc(JavaBeanSerializer.class));
mw.visitJumpInsn(IFNONNULL, notNull_);
initNature(clazz, mw, context);
// /////
mw.visitLabel(notNull_);
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.getClassName(), "nature", getDesc(JavaBeanSerializer.class));
mw.visitVarInsn(ALOAD, 1);
mw.visitVarInsn(ALOAD, 2);
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JavaBeanSerializer.class), "writeReference",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;)V");
mw.visitInsn(RETURN);
mw.visitLabel(endRef_);
}
{
mw.visitVarInsn(ALOAD, context.serializer());
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "getContext",
"()Lcom/alibaba/fastjson/serializer/SerialContext;");
mw.visitVarInsn(ASTORE, context.var("parent"));
mw.visitVarInsn(ALOAD, context.serializer());
mw.visitVarInsn(ALOAD, context.var("parent"));
mw.visitVarInsn(ALOAD, context.obj());
mw.visitVarInsn(ALOAD, context.paramFieldName());
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "setContext",
"(Lcom/alibaba/fastjson/serializer/SerialContext;Ljava/lang/Object;Ljava/lang/Object;)V");
}
// SEPERATO
{
Label end_ = new Label();
Label else_ = new Label();
Label writeClass_ = new Label();
// mw.visitVarInsn(ALOAD, context.var("out"));
// mw.visitFieldInsn(GETSTATIC, getType(SerializerFeature.class), "WriteClassName",
// "L" + getType(SerializerFeature.class) + ";");
// mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "isEnabled",
// "(" + "L" + getType(SerializerFeature.class) + ";" + ")Z");
// mw.visitJumpInsn(IFEQ, else_);
mw.visitVarInsn(ALOAD, context.serializer());
mw.visitVarInsn(ALOAD, context.paramFieldType());
mw.visitVarInsn(ALOAD, context.obj());
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "isWriteClassName",
"(Ljava/lang/reflect/Type;Ljava/lang/Object;)Z");
mw.visitJumpInsn(IFEQ, else_);
// mw.visitVarInsn(ALOAD, context.paramFieldType());
// mw.visitJumpInsn(IFNULL, writeClass_);
// IFNULL
mw.visitVarInsn(ALOAD, context.paramFieldType());
mw.visitVarInsn(ALOAD, context.obj());
mw.visitMethodInsn(INVOKEVIRTUAL, getType(Object.class), "getClass", "()Ljava/lang/Class;");
mw.visitJumpInsn(IF_ACMPEQ, else_);
mw.visitLabel(writeClass_);
mw.visitVarInsn(ALOAD, context.var("out"));
// Kevin Zou
// 序列化时检查JSONType中是否有定义shortType如果有则采用shortType作为@type的值反之采用class.getName()
String clazzName = clazz.getName();
JSONType jsonType = clazz.getAnnotation(JSONType.class);
if (jsonType != null && !"".equals(jsonType.shortType())) {
clazzName = jsonType.shortType();
}
mw.visitLdcInsn("{\"@type\":\"" + clazzName + "\"");
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "write", "(Ljava/lang/String;)V");
mw.visitVarInsn(BIPUSH, ',');
mw.visitJumpInsn(GOTO, end_);
mw.visitLabel(else_);
mw.visitVarInsn(BIPUSH, '{');
mw.visitLabel(end_);
}
mw.visitVarInsn(ISTORE, context.var("seperator"));
for (int i = 0; i < size; ++i) {
FieldInfo property = getters.get(i);
Class<?> propertyClass = property.getFieldClass();
mw.visitLdcInsn(property.getName());
mw.visitVarInsn(ASTORE, context.fieldName());
if (propertyClass == byte.class) {
_byte(clazz, mw, property, context);
} else if (propertyClass == short.class) {
_short(clazz, mw, property, context);
} else if (propertyClass == int.class) {
_int(clazz, mw, property, context);
} else if (propertyClass == long.class) {
_long(clazz, mw, property, context);
} else if (propertyClass == float.class) {
_float(clazz, mw, property, context);
} else if (propertyClass == double.class) {
_double(clazz, mw, property, context);
} else if (propertyClass == boolean.class) {
_boolean(clazz, mw, property, context);
} else if (propertyClass == char.class) {
_char(clazz, mw, property, context);
} else if (propertyClass == String.class) {
_string(clazz, mw, property, context);
} else if (propertyClass == BigDecimal.class) {
_decimal(clazz, mw, property, context);
} else if (List.class.isAssignableFrom(propertyClass)) {
_list(clazz, mw, property, context);
// _object(clazz, mw, property, context);
} else if (propertyClass.isEnum()) {
_enum(clazz, mw, property, context);
} else {
_object(clazz, mw, property, context);
}
}
Label _if = new Label();
Label _else = new Label();
Label _end_if = new Label();
mw.visitLabel(_if);
// if (seperator == '{')
mw.visitVarInsn(ILOAD, context.var("seperator"));
mw.visitIntInsn(BIPUSH, '{');
mw.visitJumpInsn(IF_ICMPNE, _else);
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitLdcInsn("{}");
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "write", "(Ljava/lang/String;)V");
mw.visitJumpInsn(GOTO, _end_if);
mw.visitLabel(_else);
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(BIPUSH, '}');
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "write", "(C)V");
mw.visitLabel(_end_if);
mw.visitLabel(end);
mw.visitVarInsn(ALOAD, context.serializer());
mw.visitVarInsn(ALOAD, context.var("parent"));
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "setContext",
"(Lcom/alibaba/fastjson/serializer/SerialContext;)V");
}
private void initNature(Class<?> clazz, MethodVisitor mw, Context context) {
mw.visitVarInsn(ALOAD, 0);
mw.visitTypeInsn(NEW, getType(JavaBeanSerializer.class));
mw.visitInsn(DUP);
mw.visitLdcInsn(org.objectweb.asm.Type.getType(clazz));
mw.visitMethodInsn(INVOKESPECIAL, getType(JavaBeanSerializer.class), "<init>", "(" + getDesc(Class.class)
+ ")V");
mw.visitFieldInsn(PUTFIELD, context.getClassName(), "nature", getDesc(JavaBeanSerializer.class));
}
private void _object(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
Label _end = new Label();
_nameApply(mw, property, context, _end);
_get(mw, context, property);
mw.visitVarInsn(ASTORE, context.var("object"));
_filters(mw, property, context, _end);
_writeObject(mw, property, context, _end);
mw.visitLabel(_end);
}
private void _enum(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
boolean writeEnumUsingToString = false;
JSONField annotation = property.getAnnotation(JSONField.class);
if (annotation != null) {
for (SerializerFeature feature : annotation.serialzeFeatures()) {
if (feature == SerializerFeature.WriteEnumUsingToString) {
writeEnumUsingToString = true;
}
}
}
Label _not_null = new Label();
Label _end_if = new Label();
Label _end = new Label();
_nameApply(mw, property, context, _end);
_get(mw, context, property);
mw.visitTypeInsn(CHECKCAST, getType(Enum.class)); // cast
mw.visitVarInsn(ASTORE, context.var("enum"));
_filters(mw, property, context, _end);
mw.visitVarInsn(ALOAD, context.var("enum"));
mw.visitJumpInsn(IFNONNULL, _not_null);
_if_write_null(mw, property, context);
mw.visitJumpInsn(GOTO, _end_if);
mw.visitLabel(_not_null);
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ILOAD, context.var("seperator"));
mw.visitVarInsn(ALOAD, context.fieldName());
mw.visitVarInsn(ALOAD, context.var("enum"));
if (writeEnumUsingToString) {
mw.visitMethodInsn(INVOKEVIRTUAL, getType(Object.class), "toString", "()Ljava/lang/String;");
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldValue",
"(CLjava/lang/String;Ljava/lang/String;)V");
} else {
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldValue",
"(CLjava/lang/String;L" + getType(Enum.class) + ";)V");
}
_seperator(mw, context);
mw.visitLabel(_end_if);
mw.visitLabel(_end);
}
private void _long(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
Label _end = new Label();
_nameApply(mw, property, context, _end);
_get(mw, context, property);
mw.visitVarInsn(LSTORE, context.var("long", 2));
_filters(mw, property, context, _end);
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ILOAD, context.var("seperator"));
mw.visitVarInsn(ALOAD, context.fieldName());
mw.visitVarInsn(LLOAD, context.var("long", 2));
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldValue", "(CLjava/lang/String;J)V");
_seperator(mw, context);
mw.visitLabel(_end);
}
private void _float(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
Label _end = new Label();
_nameApply(mw, property, context, _end);
_get(mw, context, property);
mw.visitVarInsn(FSTORE, context.var("float"));
_filters(mw, property, context, _end);
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ILOAD, context.var("seperator"));
mw.visitVarInsn(ALOAD, context.fieldName());
mw.visitVarInsn(FLOAD, context.var("float"));
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldValue", "(CLjava/lang/String;F)V");
_seperator(mw, context);
mw.visitLabel(_end);
}
private void _double(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
Label _end = new Label();
_nameApply(mw, property, context, _end);
_get(mw, context, property);
mw.visitVarInsn(DSTORE, context.var("double", 2));
_filters(mw, property, context, _end);
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ILOAD, context.var("seperator"));
mw.visitVarInsn(ALOAD, context.fieldName());
mw.visitVarInsn(DLOAD, context.var("double", 2));
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldValue", "(CLjava/lang/String;D)V");
_seperator(mw, context);
mw.visitLabel(_end);
}
private void _char(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
Label _end = new Label();
_nameApply(mw, property, context, _end);
_get(mw, context, property);
mw.visitVarInsn(ISTORE, context.var("char"));
_filters(mw, property, context, _end);
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ILOAD, context.var("seperator"));
mw.visitVarInsn(ALOAD, context.fieldName());
mw.visitVarInsn(ILOAD, context.var("char"));
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldValue", "(CLjava/lang/String;C)V");
_seperator(mw, context);
mw.visitLabel(_end);
}
private void _boolean(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
Label _end = new Label();
_nameApply(mw, property, context, _end);
_get(mw, context, property);
mw.visitVarInsn(ISTORE, context.var("boolean"));
_filters(mw, property, context, _end);
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ILOAD, context.var("seperator"));
mw.visitVarInsn(ALOAD, context.fieldName());
mw.visitVarInsn(ILOAD, context.var("boolean"));
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldValue", "(CLjava/lang/String;Z)V");
_seperator(mw, context);
mw.visitLabel(_end);
}
private void _get(MethodVisitor mw, Context context, FieldInfo property) {
Method method = property.getMethod();
if (method != null) {
mw.visitVarInsn(ALOAD, context.var("entity"));
mw.visitMethodInsn(INVOKEVIRTUAL, getType(method.getDeclaringClass()), method.getName(), getDesc(method));
} else {
mw.visitVarInsn(ALOAD, context.var("entity"));
mw.visitFieldInsn(GETFIELD, getType(property.getDeclaringClass()), property.getName(),
getDesc(property.getFieldClass()));
}
}
private void _byte(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
Label _end = new Label();
_nameApply(mw, property, context, _end);
_get(mw, context, property);
mw.visitVarInsn(ISTORE, context.var("byte"));
_filters(mw, property, context, _end);
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ILOAD, context.var("seperator"));
mw.visitVarInsn(ALOAD, context.fieldName());
mw.visitVarInsn(ILOAD, context.var("byte"));
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldValue", "(CLjava/lang/String;I)V");
_seperator(mw, context);
mw.visitLabel(_end);
}
private void _short(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
Label _end = new Label();
_nameApply(mw, property, context, _end);
_get(mw, context, property);
mw.visitVarInsn(ISTORE, context.var("short"));
_filters(mw, property, context, _end);
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ILOAD, context.var("seperator"));
mw.visitVarInsn(ALOAD, context.fieldName());
mw.visitVarInsn(ILOAD, context.var("short"));
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldValue", "(CLjava/lang/String;I)V");
_seperator(mw, context);
mw.visitLabel(_end);
}
private void _int(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
Label _end = new Label();
_nameApply(mw, property, context, _end);
_get(mw, context, property);
mw.visitVarInsn(ISTORE, context.var("int"));
_filters(mw, property, context, _end);
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ILOAD, context.var("seperator"));
mw.visitVarInsn(ALOAD, context.fieldName());
mw.visitVarInsn(ILOAD, context.var("int"));
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldValue", "(CLjava/lang/String;I)V");
_seperator(mw, context);
mw.visitLabel(_end);
}
private void _decimal(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
Label _end = new Label();
_nameApply(mw, property, context, _end);
_get(mw, context, property);
mw.visitVarInsn(ASTORE, context.var("decimal"));
_filters(mw, property, context, _end);
Label _if = new Label();
Label _else = new Label();
Label _end_if = new Label();
mw.visitLabel(_if);
// if (decimalValue == null) {
mw.visitVarInsn(ALOAD, context.var("decimal"));
mw.visitJumpInsn(IFNONNULL, _else);
_if_write_null(mw, property, context);
mw.visitJumpInsn(GOTO, _end_if);
mw.visitLabel(_else); // else { out.writeFieldValue(seperator, fieldName, fieldValue)
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ILOAD, context.var("seperator"));
mw.visitVarInsn(ALOAD, context.fieldName());
mw.visitVarInsn(ALOAD, context.var("decimal"));
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldValue",
"(CLjava/lang/String;Ljava/math/BigDecimal;)V");
_seperator(mw, context);
mw.visitJumpInsn(GOTO, _end_if);
mw.visitLabel(_end_if);
mw.visitLabel(_end);
}
private void _string(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
Label _end = new Label();
_nameApply(mw, property, context, _end);
_get(mw, context, property);
mw.visitVarInsn(ASTORE, context.var("string"));
_filters(mw, property, context, _end);
Label _else = new Label();
Label _end_if = new Label();
// if (value == null) {
mw.visitVarInsn(ALOAD, context.var("string"));
mw.visitJumpInsn(IFNONNULL, _else);
_if_write_null(mw, property, context);
mw.visitJumpInsn(GOTO, _end_if);
mw.visitLabel(_else); // else { out.writeFieldValue(seperator, fieldName, fieldValue)
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ILOAD, context.var("seperator"));
mw.visitVarInsn(ALOAD, context.fieldName());
mw.visitVarInsn(ALOAD, context.var("string"));
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldValue",
"(CLjava/lang/String;Ljava/lang/String;)V");
_seperator(mw, context);
mw.visitLabel(_end_if);
mw.visitLabel(_end);
}
private void _list(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
Type propertyType = property.getFieldType();
Type elementType;
if (propertyType instanceof Class) {
elementType = Object.class;
} else {
elementType = ((ParameterizedType) propertyType).getActualTypeArguments()[0];
}
Class<?> elementClass = null;
if (elementType instanceof Class<?>) {
elementClass = (Class<?>) elementType;
}
Label _end = new Label();
Label _if = new Label();
Label _else = new Label();
Label _end_if = new Label();
mw.visitLabel(_if);
_nameApply(mw, property, context, _end);
_get(mw, context, property);
mw.visitTypeInsn(CHECKCAST, getType(List.class)); // cast
mw.visitVarInsn(ASTORE, context.var("list"));
_filters(mw, property, context, _end);
mw.visitVarInsn(ALOAD, context.var("list"));
mw.visitJumpInsn(IFNONNULL, _else);
_if_write_null(mw, property, context);
mw.visitJumpInsn(GOTO, _end_if);
mw.visitLabel(_else); // else {
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ILOAD, context.var("seperator"));
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "write", "(C)V");
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ALOAD, context.fieldName());
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldName", "(Ljava/lang/String;)V");
//
mw.visitVarInsn(ALOAD, context.var("list"));
mw.visitMethodInsn(INVOKEINTERFACE, getType(List.class), "size", "()I");
mw.visitVarInsn(ISTORE, context.var("int"));
Label _if_3 = new Label();
Label _else_3 = new Label();
Label _end_if_3 = new Label();
mw.visitLabel(_if_3);
mw.visitVarInsn(ILOAD, context.var("int"));
mw.visitInsn(ICONST_0);
mw.visitJumpInsn(IF_ICMPNE, _else_3);
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitLdcInsn("[]");
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "write", "(Ljava/lang/String;)V");
mw.visitJumpInsn(GOTO, _end_if_3);
mw.visitLabel(_else_3);
{
mw.visitVarInsn(ALOAD, context.serializer());
mw.visitVarInsn(ALOAD, context.var("list"));
mw.visitVarInsn(ALOAD, context.fieldName());
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "setContext",
"(Ljava/lang/Object;Ljava/lang/Object;)V");
}
{
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(BIPUSH, '[');
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "write", "(C)V");
// list_serializer = null
mw.visitInsn(ACONST_NULL);
mw.visitTypeInsn(CHECKCAST, getType(ObjectSerializer.class)); // cast to string
mw.visitVarInsn(ASTORE, context.var("list_ser"));
Label _for = new Label();
Label _end_for = new Label();
mw.visitInsn(ICONST_0);
mw.visitVarInsn(ISTORE, context.var("i"));
// for (; i < list.size() -1; ++i) {
mw.visitLabel(_for);
mw.visitVarInsn(ILOAD, context.var("i"));
mw.visitVarInsn(ILOAD, context.var("int"));
mw.visitInsn(ICONST_1);
mw.visitInsn(ISUB);
mw.visitJumpInsn(IF_ICMPGE, _end_for); // i < list.size - 1
if (elementType == String.class) {
// out.write((String)list.get(i));
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ALOAD, context.var("list"));
mw.visitVarInsn(ILOAD, context.var("i"));
mw.visitMethodInsn(INVOKEINTERFACE, getType(List.class), "get", "(I)Ljava/lang/Object;");
mw.visitTypeInsn(CHECKCAST, getType(String.class)); // cast to string
mw.visitVarInsn(BIPUSH, ',');
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeString",
"(Ljava/lang/String;C)V");
} else {
mw.visitVarInsn(ALOAD, context.serializer());
mw.visitVarInsn(ALOAD, context.var("list"));
mw.visitVarInsn(ILOAD, context.var("i"));
mw.visitMethodInsn(INVOKEINTERFACE, getType(List.class), "get", "(I)Ljava/lang/Object;");
mw.visitVarInsn(ILOAD, context.var("i"));
mw.visitMethodInsn(INVOKESTATIC, getType(Integer.class), "valueOf", "(I)Ljava/lang/Integer;");
if (elementClass != null && Modifier.isPublic(elementClass.getModifiers())) {
mw.visitLdcInsn(org.objectweb.asm.Type.getType(elementClass));
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "writeWithFieldName",
"(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;)V");
} else {
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "writeWithFieldName",
"(Ljava/lang/Object;Ljava/lang/Object;)V");
}
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(BIPUSH, ',');
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "write", "(C)V");
}
mw.visitIincInsn(context.var("i"), 1);
mw.visitJumpInsn(GOTO, _for);
mw.visitLabel(_end_for);
if (elementType == String.class) {
// out.write((String)list.get(size - 1));
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ALOAD, context.var("list"));
mw.visitVarInsn(ILOAD, context.var("int"));
mw.visitInsn(ICONST_1);
mw.visitInsn(ISUB);
mw.visitMethodInsn(INVOKEINTERFACE, getType(List.class), "get", "(I)Ljava/lang/Object;");
mw.visitTypeInsn(CHECKCAST, getType(String.class)); // cast to string
mw.visitVarInsn(BIPUSH, ']');
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeString",
"(Ljava/lang/String;C)V");
} else {
mw.visitVarInsn(ALOAD, context.serializer());
mw.visitVarInsn(ALOAD, context.var("list"));
mw.visitVarInsn(ILOAD, context.var("i"));
mw.visitMethodInsn(INVOKEINTERFACE, getType(List.class), "get", "(I)Ljava/lang/Object;");
mw.visitVarInsn(ILOAD, context.var("i"));
mw.visitMethodInsn(INVOKESTATIC, getType(Integer.class), "valueOf", "(I)Ljava/lang/Integer;");
if (elementClass != null && Modifier.isPublic(elementClass.getModifiers())) {
mw.visitLdcInsn(org.objectweb.asm.Type.getType(elementClass));
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "writeWithFieldName",
"(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;)V");
} else {
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "writeWithFieldName",
"(Ljava/lang/Object;Ljava/lang/Object;)V");
}
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(BIPUSH, ']');
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "write", "(C)V");
}
}
{
mw.visitVarInsn(ALOAD, context.serializer());
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "popContext", "()V");
}
mw.visitLabel(_end_if_3);
_seperator(mw, context);
mw.visitLabel(_end_if);
mw.visitLabel(_end);
}
private void _filters(MethodVisitor mw, FieldInfo property, Context context, Label _end) {
if (property.getField() != null) {
if (Modifier.isTransient(property.getField().getModifiers())) {
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitFieldInsn(GETSTATIC, getType(SerializerFeature.class), "SkipTransientField",
"L" + getType(SerializerFeature.class) + ";");
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "isEnabled",
"(" + "L" + getType(SerializerFeature.class) + ";" + ")Z");
// if true
mw.visitJumpInsn(IFNE, _end);
}
}
_apply(mw, property, context);
mw.visitJumpInsn(IFEQ, _end);
_processKey(mw, property, context);
Label _else_processKey = new Label();
_processValue(mw, property, context);
mw.visitVarInsn(ALOAD, context.original());
mw.visitVarInsn(ALOAD, context.processValue());
mw.visitJumpInsn(IF_ACMPEQ, _else_processKey);
_writeObject(mw, property, context, _end);
mw.visitJumpInsn(GOTO, _end);
mw.visitLabel(_else_processKey);
}
private void _nameApply(MethodVisitor mw, FieldInfo property, Context context, Label _end) {
mw.visitVarInsn(ALOAD, context.serializer());
mw.visitVarInsn(ALOAD, context.obj());
mw.visitVarInsn(ALOAD, context.fieldName());
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "applyName",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;)Z");
mw.visitJumpInsn(IFEQ, _end);
}
private void _writeObject(MethodVisitor mw, FieldInfo fieldInfo, Context context, Label _end) {
String format = null;
JSONField annotation = fieldInfo.getAnnotation(JSONField.class);
if (annotation != null) {
format = annotation.format();
if (format.trim().length() == 0) {
format = null;
}
}
Label _not_null = new Label();
mw.visitVarInsn(ALOAD, context.processValue());
mw.visitJumpInsn(IFNONNULL, _not_null); // if (obj == null)
_if_write_null(mw, fieldInfo, context);
mw.visitJumpInsn(GOTO, _end);
mw.visitLabel(_not_null);
// writeFieldNullNumber
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ILOAD, context.var("seperator"));
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "write", "(C)V");
// out.writeFieldName("fieldName")
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ALOAD, context.fieldName());
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldName", "(Ljava/lang/String;)V");
// serializer.write(obj)
mw.visitVarInsn(ALOAD, context.serializer()); // serializer
mw.visitVarInsn(ALOAD, context.processValue());
if (format != null) {
mw.visitLdcInsn(format);
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "writeWithFormat",
"(Ljava/lang/Object;Ljava/lang/String;)V");
} else {
mw.visitVarInsn(ALOAD, context.fieldName());
if (fieldInfo.getFieldType() instanceof Class<?> && ((Class<?>) fieldInfo.getFieldType()).isPrimitive()) {
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "writeWithFieldName",
"(Ljava/lang/Object;Ljava/lang/Object;)V");
} else {
// fieldInfo.getName() + "_asm_fieldType"
mw.visitVarInsn(ALOAD, 0);
mw.visitFieldInsn(GETFIELD, context.getClassName(), fieldInfo.getName() + "_asm_fieldType",
"Ljava/lang/reflect/Type;");
mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "writeWithFieldName",
"(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;)V");
}
}
_seperator(mw, context);
}
private void _apply(MethodVisitor mw, FieldInfo property, Context context) {
Class<?> propertyClass = property.getFieldClass();
mw.visitVarInsn(ALOAD, context.serializer());
mw.visitVarInsn(ALOAD, context.obj());
mw.visitVarInsn(ALOAD, context.fieldName());
if (propertyClass == byte.class) {
mw.visitVarInsn(ILOAD, context.var("byte"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "apply",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;B)Z");
} else if (propertyClass == short.class) {
mw.visitVarInsn(ILOAD, context.var("short"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "apply",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;S)Z");
} else if (propertyClass == int.class) {
mw.visitVarInsn(ILOAD, context.var("int"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "apply",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;I)Z");
} else if (propertyClass == char.class) {
mw.visitVarInsn(ILOAD, context.var("char"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "apply",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;C)Z");
} else if (propertyClass == long.class) {
mw.visitVarInsn(LLOAD, context.var("long", 2));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "apply",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;J)Z");
} else if (propertyClass == float.class) {
mw.visitVarInsn(FLOAD, context.var("float"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "apply",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;F)Z");
} else if (propertyClass == double.class) {
mw.visitVarInsn(DLOAD, context.var("double", 2));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "apply",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;D)Z");
} else if (propertyClass == boolean.class) {
mw.visitVarInsn(ILOAD, context.var("boolean"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "apply",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;B)Z");
} else if (propertyClass == BigDecimal.class) {
mw.visitVarInsn(ALOAD, context.var("decimal"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "apply",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)Z");
} else if (propertyClass == String.class) {
mw.visitVarInsn(ALOAD, context.var("string"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "apply",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)Z");
} else if (propertyClass.isEnum()) {
mw.visitVarInsn(ALOAD, context.var("enum"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "apply",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)Z");
} else if (List.class.isAssignableFrom(propertyClass)) {
mw.visitVarInsn(ALOAD, context.var("list"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "apply",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)Z");
} else {
mw.visitVarInsn(ALOAD, context.var("object"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "apply",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)Z");
}
}
private void _processValue(MethodVisitor mw, FieldInfo property, Context context) {
Class<?> propertyClass = property.getFieldClass();
mw.visitVarInsn(ALOAD, context.serializer());
mw.visitVarInsn(ALOAD, context.obj());
mw.visitVarInsn(ALOAD, context.fieldName());
if (propertyClass == byte.class) {
mw.visitVarInsn(ILOAD, context.var("byte"));
mw.visitMethodInsn(INVOKESTATIC, getType(Byte.class), "valueOf", "(B)Ljava/lang/Byte;");
} else if (propertyClass == short.class) {
mw.visitVarInsn(ILOAD, context.var("short"));
mw.visitMethodInsn(INVOKESTATIC, getType(Short.class), "valueOf", "(S)Ljava/lang/Short;");
} else if (propertyClass == int.class) {
mw.visitVarInsn(ILOAD, context.var("int"));
mw.visitMethodInsn(INVOKESTATIC, getType(Integer.class), "valueOf", "(I)Ljava/lang/Integer;");
} else if (propertyClass == char.class) {
mw.visitVarInsn(ILOAD, context.var("char"));
mw.visitMethodInsn(INVOKESTATIC, getType(Character.class), "valueOf", "(C)Ljava/lang/Character;");
} else if (propertyClass == long.class) {
mw.visitVarInsn(LLOAD, context.var("long", 2));
mw.visitMethodInsn(INVOKESTATIC, getType(Long.class), "valueOf", "(J)Ljava/lang/Long;");
} else if (propertyClass == float.class) {
mw.visitVarInsn(FLOAD, context.var("float"));
mw.visitMethodInsn(INVOKESTATIC, getType(Float.class), "valueOf", "(F)Ljava/lang/Float;");
} else if (propertyClass == double.class) {
mw.visitVarInsn(DLOAD, context.var("double", 2));
mw.visitMethodInsn(INVOKESTATIC, getType(Double.class), "valueOf", "(D)Ljava/lang/Double;");
} else if (propertyClass == boolean.class) {
mw.visitVarInsn(ILOAD, context.var("boolean"));
mw.visitMethodInsn(INVOKESTATIC, getType(Boolean.class), "valueOf", "(Z)Ljava/lang/Boolean;");
} else if (propertyClass == BigDecimal.class) {
mw.visitVarInsn(ALOAD, context.var("decimal"));
} else if (propertyClass == String.class) {
mw.visitVarInsn(ALOAD, context.var("string"));
} else if (propertyClass.isEnum()) {
mw.visitVarInsn(ALOAD, context.var("enum"));
} else if (List.class.isAssignableFrom(propertyClass)) {
mw.visitVarInsn(ALOAD, context.var("list"));
} else {
mw.visitVarInsn(ALOAD, context.var("object"));
}
mw.visitVarInsn(ASTORE, context.original());
mw.visitVarInsn(ALOAD, context.original());
mw.visitMethodInsn(INVOKESTATIC,
getType(FilterUtils.class),
"processValue",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/Object;");
mw.visitVarInsn(ASTORE, context.processValue());
}
private void _processKey(MethodVisitor mw, FieldInfo property, Context context) {
Class<?> propertyClass = property.getFieldClass();
mw.visitVarInsn(ALOAD, context.serializer());
mw.visitVarInsn(ALOAD, context.obj());
mw.visitVarInsn(ALOAD, context.fieldName());
if (propertyClass == byte.class) {
mw.visitVarInsn(ILOAD, context.var("byte"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "processKey",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;B)Ljava/lang/String;");
} else if (propertyClass == short.class) {
mw.visitVarInsn(ILOAD, context.var("short"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "processKey",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;S)Ljava/lang/String;");
} else if (propertyClass == int.class) {
mw.visitVarInsn(ILOAD, context.var("int"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "processKey",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;I)Ljava/lang/String;");
} else if (propertyClass == char.class) {
mw.visitVarInsn(ILOAD, context.var("char"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "processKey",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;C)Ljava/lang/String;");
} else if (propertyClass == long.class) {
mw.visitVarInsn(LLOAD, context.var("long", 2));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "processKey",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;J)Ljava/lang/String;");
} else if (propertyClass == float.class) {
mw.visitVarInsn(FLOAD, context.var("float"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "processKey",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;F)Ljava/lang/String;");
} else if (propertyClass == double.class) {
mw.visitVarInsn(DLOAD, context.var("double", 2));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "processKey",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;D)Ljava/lang/String;");
} else if (propertyClass == boolean.class) {
mw.visitVarInsn(ILOAD, context.var("boolean"));
mw.visitMethodInsn(INVOKESTATIC, getType(FilterUtils.class), "processKey",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;Z)Ljava/lang/String;");
} else if (propertyClass == BigDecimal.class) {
mw.visitVarInsn(ALOAD, context.var("decimal"));
mw.visitMethodInsn(INVOKESTATIC,
getType(FilterUtils.class),
"processKey",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/String;");
} else if (propertyClass == String.class) {
mw.visitVarInsn(ALOAD, context.var("string"));
mw.visitMethodInsn(INVOKESTATIC,
getType(FilterUtils.class),
"processKey",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/String;");
} else if (propertyClass.isEnum()) {
mw.visitVarInsn(ALOAD, context.var("enum"));
mw.visitMethodInsn(INVOKESTATIC,
getType(FilterUtils.class),
"processKey",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/String;");
} else if (List.class.isAssignableFrom(propertyClass)) {
mw.visitVarInsn(ALOAD, context.var("list"));
mw.visitMethodInsn(INVOKESTATIC,
getType(FilterUtils.class),
"processKey",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/String;");
} else {
mw.visitVarInsn(ALOAD, context.var("object"));
mw.visitMethodInsn(INVOKESTATIC,
getType(FilterUtils.class),
"processKey",
"(Lcom/alibaba/fastjson/serializer/JSONSerializer;Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/String;");
}
mw.visitVarInsn(ASTORE, context.fieldName());
}
private void _if_write_null(MethodVisitor mw, FieldInfo fieldInfo, Context context) {
Class<?> propertyClass = fieldInfo.getFieldClass();
Label _if = new Label();
Label _else = new Label();
Label _write_null = new Label();
Label _end_if = new Label();
mw.visitLabel(_if);
// out.isEnabled(Serializer.WriteMapNullValue)
boolean writeNull = false;
boolean writeNullNumberAsZero = false;
boolean writeNullStringAsEmpty = false;
boolean writeNullBooleanAsFalse = false;
boolean writeNullListAsEmpty = false;
JSONField annotation = fieldInfo.getAnnotation(JSONField.class);
if (annotation != null) {
for (SerializerFeature feature : annotation.serialzeFeatures()) {
if (feature == SerializerFeature.WriteMapNullValue) {
writeNull = true;
} else if (feature == SerializerFeature.WriteNullNumberAsZero) {
writeNullNumberAsZero = true;
} else if (feature == SerializerFeature.WriteNullStringAsEmpty) {
writeNullStringAsEmpty = true;
} else if (feature == SerializerFeature.WriteNullBooleanAsFalse) {
writeNullBooleanAsFalse = true;
} else if (feature == SerializerFeature.WriteNullListAsEmpty) {
writeNullListAsEmpty = true;
}
}
}
if (!writeNull) {
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitFieldInsn(GETSTATIC, getType(SerializerFeature.class), "WriteMapNullValue",
"L" + getType(SerializerFeature.class) + ";");
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "isEnabled",
"(" + "L" + getType(SerializerFeature.class) + ";" + ")Z");
mw.visitJumpInsn(IFEQ, _else);
}
mw.visitLabel(_write_null);
// out.writeFieldNull(seperator, 'fieldName')
mw.visitVarInsn(ALOAD, context.var("out"));
mw.visitVarInsn(ILOAD, context.var("seperator"));
mw.visitVarInsn(ALOAD, context.fieldName());
if (propertyClass == String.class || propertyClass == Character.class) {
if (writeNullStringAsEmpty) {
mw.visitLdcInsn("");
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldValue",
"(CLjava/lang/String;Ljava/lang/String;)V");
} else {
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldNullString",
"(CLjava/lang/String;)V");
}
} else if (Number.class.isAssignableFrom(propertyClass)) {
if (writeNullNumberAsZero) {
mw.visitInsn(ICONST_0);
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldValue",
"(CLjava/lang/String;I)V");
} else {
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldNullNumber",
"(CLjava/lang/String;)V");
}
} else if (propertyClass == Boolean.class) {
if (writeNullBooleanAsFalse) {
mw.visitInsn(ICONST_0);
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldValue",
"(CLjava/lang/String;Z)V");
} else {
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldNullBoolean",
"(CLjava/lang/String;)V");
}
} else if (Collection.class.isAssignableFrom(propertyClass) || propertyClass.isArray()) {
if (writeNullListAsEmpty) {
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldEmptyList",
"(CLjava/lang/String;)V");
} else {
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldNullList",
"(CLjava/lang/String;)V");
}
} else {
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldNull",
"(CLjava/lang/String;)V");
}
// seperator = ',';
_seperator(mw, context);
mw.visitJumpInsn(GOTO, _end_if);
mw.visitLabel(_else);
mw.visitLabel(_end_if);
}
private void _seperator(MethodVisitor mw, Context context) {
mw.visitVarInsn(BIPUSH, ',');
mw.visitVarInsn(ISTORE, context.var("seperator"));
}
}