com.jn.easyjson.fastjson.ext.EasyJsonParserConfig Maven / Gradle / Ivy
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/*
* Copyright 2019 the original author or authors.
*
* Licensed under the Apache, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.gnu.org/licenses/lgpl-3.0.html
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jn.easyjson.fastjson.ext;
import com.alibaba.fastjson.JSONException;
import com.alibaba.fastjson.annotation.JSONField;
import com.alibaba.fastjson.annotation.JSONType;
import com.alibaba.fastjson.parser.ParserConfig;
import com.alibaba.fastjson.parser.deserializer.EnumDeserializer;
import com.alibaba.fastjson.parser.deserializer.JavaBeanDeserializer;
import com.alibaba.fastjson.parser.deserializer.ObjectDeserializer;
import com.alibaba.fastjson.util.ASMUtils;
import com.alibaba.fastjson.util.FieldInfo;
import com.alibaba.fastjson.util.JavaBeanInfo;
import com.alibaba.fastjson.util.TypeUtils;
import com.jn.easyjson.core.exclusion.ExclusionConfiguration;
import com.jn.easyjson.fastjson.FastJsonJSONBuilder;
import java.lang.reflect.Constructor;
import java.lang.reflect.Modifier;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;
public class EasyJsonParserConfig extends ParserConfig {
private FastJsonJSONBuilder jsonJSONBuilder;
public EasyJsonParserConfig(FastJsonJSONBuilder builder) {
super();
this.jsonJSONBuilder = builder;
}
@Override
public ObjectDeserializer createJavaBeanDeserializer(Class clazz, Type type) {
boolean asmEnable = this.isAsmEnable() & !this.fieldBased;
if (asmEnable) {
JSONType jsonType = TypeUtils.getAnnotation(clazz, JSONType.class);
if (jsonType != null) {
Class deserializerClass = jsonType.deserializer();
if (deserializerClass != Void.class) {
try {
Object deseralizer = deserializerClass.newInstance();
if (deseralizer instanceof ObjectDeserializer) {
return (ObjectDeserializer) deseralizer;
}
} catch (Throwable e) {
// skip
}
}
asmEnable = jsonType.asm();
}
if (asmEnable) {
Class superClass = JavaBeanInfo.getBuilderClass(clazz, jsonType);
if (superClass == null) {
superClass = clazz;
}
for (; ; ) {
if (!Modifier.isPublic(superClass.getModifiers())) {
asmEnable = false;
break;
}
superClass = superClass.getSuperclass();
if (superClass == Object.class || superClass == null) {
break;
}
}
}
}
if (clazz.getTypeParameters().length != 0) {
asmEnable = false;
}
if (asmEnable && asmFactory != null && asmFactory.classLoader.isExternalClass(clazz)) {
asmEnable = false;
}
if (asmEnable) {
asmEnable = ASMUtils.checkName(clazz.getSimpleName());
}
if (asmEnable) {
if (clazz.isInterface()) {
asmEnable = false;
}
JavaBeanInfo beanInfo = JavaBeanInfo.build(clazz
, type
, propertyNamingStrategy
, false
, TypeUtils.compatibleWithJavaBean
, isJacksonCompatible()
);
if (asmEnable && beanInfo.fields.length > 200) {
asmEnable = false;
}
Constructor defaultConstructor = beanInfo.defaultConstructor;
if (asmEnable && defaultConstructor == null && !clazz.isInterface()) {
asmEnable = false;
}
// ==========EasyJson start=================
beanInfo = filterFields(beanInfo);
//===========EasyJson end===================
for (FieldInfo fieldInfo : beanInfo.fields) {
if (fieldInfo.getOnly) {
asmEnable = false;
break;
}
Class fieldClass = fieldInfo.fieldClass;
if (!Modifier.isPublic(fieldClass.getModifiers())) {
asmEnable = false;
break;
}
if (fieldClass.isMemberClass() && !Modifier.isStatic(fieldClass.getModifiers())) {
asmEnable = false;
break;
}
if (fieldInfo.getMember() != null //
&& !ASMUtils.checkName(fieldInfo.getMember().getName())) {
asmEnable = false;
break;
}
JSONField annotation = fieldInfo.getAnnotation();
if (annotation != null //
&& ((!ASMUtils.checkName(annotation.name())) //
|| annotation.format().length() != 0 //
|| annotation.deserializeUsing() != Void.class //
|| annotation.unwrapped())
|| (fieldInfo.method != null && fieldInfo.method.getParameterTypes().length > 1)) {
asmEnable = false;
break;
}
if (fieldClass.isEnum()) { // EnumDeserializer
ObjectDeserializer fieldDeser = this.getDeserializer(fieldClass);
if (!(fieldDeser instanceof EnumDeserializer)) {
asmEnable = false;
break;
}
}
}
}
if (asmEnable) {
if (clazz.isMemberClass() && !Modifier.isStatic(clazz.getModifiers())) {
asmEnable = false;
}
}
if (asmEnable) {
if (TypeUtils.isXmlField(clazz)) {
asmEnable = false;
}
}
if (!asmEnable) {
return new JavaBeanDeserializer(this, clazz, type);
}
JavaBeanInfo beanInfo = JavaBeanInfo.build(clazz, type, propertyNamingStrategy);
// ==========EasyJson start=================
beanInfo = filterFields(beanInfo);
//===========EasyJson end===================
try {
return asmFactory.createJavaBeanDeserializer(this, beanInfo);
// } catch (VerifyError e) {
// e.printStackTrace();
// return new JavaBeanDeserializer(this, clazz, type);
} catch (NoSuchMethodException ex) {
// return new JavaBeanDeserializer(this, clazz, type);
//=================EasyJson start========================
return new EasyJsonJavaBeanDeserializer(this, clazz, type);
//=================EasyJson end==========================
} catch (JSONException asmError) {
return new JavaBeanDeserializer(this, beanInfo);
} catch (Exception e) {
throw new JSONException("create asm deserializer error, " + clazz.getName(), e);
}
}
public JavaBeanInfo filterFields(JavaBeanInfo beanInfo) {
// ==========EasyJson start=================
Class clazz = beanInfo.clazz;
if (jsonJSONBuilder != null) {
ExclusionConfiguration exclusionConfiguration = jsonJSONBuilder.getExclusionConfiguration();
if (!exclusionConfiguration.isExcludedClass(clazz, false)) {
FieldInfo[] fields = beanInfo.fields;
if (fields != null) {
List fieldInfoes = new ArrayList();
for (FieldInfo fieldInfo : fields) {
if (exclusionConfiguration.isExcludedField(fieldInfo.field, false)) {
continue;
}
fieldInfoes.add(fieldInfo);
}
if (fieldInfoes.size() != fields.length) {
beanInfo = new JavaBeanInfo(clazz,
beanInfo.builderClass,
beanInfo.defaultConstructor,
beanInfo.creatorConstructor,
beanInfo.factoryMethod,
beanInfo.buildMethod,
beanInfo.jsonType,
fieldInfoes);
}
}
} else {
if (beanInfo.fields.length > 0) {
beanInfo = new JavaBeanInfo(clazz,
beanInfo.builderClass,
beanInfo.defaultConstructor,
beanInfo.creatorConstructor,
beanInfo.factoryMethod,
beanInfo.buildMethod,
beanInfo.jsonType,
new ArrayList(0));
}
}
}
return beanInfo;
//===========EasyJson end===================
}
}