com.silentgo.json.serializer.SerializerKit Maven / Gradle / Ivy
package com.silentgo.json.serializer;
import com.silentgo.json.deserializer.CollectionDeserializer;
import com.silentgo.json.deserializer.Deserializer;
import com.silentgo.json.deserializer.JavaBeanDeserializer;
import com.silentgo.json.deserializer.ValueGetterDeserializer;
import com.silentgo.json.exception.DeserializerException;
import com.silentgo.json.exception.SerializerException;
import com.silentgo.json.mapping.getter.ValueGetKit;
import com.silentgo.json.mapping.getter.ValueGetter;
import com.silentgo.json.model.JSONEntity;
import com.silentgo.utils.*;
import com.silentgo.utils.inter.ITypeConvertor;
import com.silentgo.utils.log.Log;
import com.silentgo.utils.log.LogFactory;
import com.silentgo.utils.reflect.SGClass;
import com.silentgo.utils.reflect.SGField;
import java.lang.reflect.Type;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
/**
* Project : json
* Package : com.silentgo.json.serializer
*
* @author teddyzhu
*
* Created by teddyzhu on 2017/1/20.
*/
public class SerializerKit {
private static final Log LOGGER = LogFactory.get();
public static final Serializer stringSerializer = new StringSerializer();
private static final Serializer baseTypeSerializer = new BaseTypeSerializer();
private static final Serializer jsonEntitySerializer = new JSONEntitySerializer();
public static final Serializer dynamicSerializer = new DynamicSerializer();
public static final Serializer defaultArraySerilizer = new ArraySerializer(dynamicSerializer);
public static final Serializer defaultMapSerializer = new MapSerializer(dynamicSerializer);
public static final Serializer defaultCollectionSerializer = new CollectionSerializer(dynamicSerializer);
private static final Map, Serializer> serializerMap = new HashMap<>();
static {
serializerMap.put(String.class, stringSerializer);
}
public static Serializer createSerializer(Class clz) {
return createSerializer(clz, null);
}
public static Serializer createSerializer(Class clz, SGField sgField) {
Serializer serializer = serializerMap.get(clz);
if (serializer == null) {
if (clz.isArray()) {
Class type = clz.getComponentType();
return Object.class.equals(type) ? defaultArraySerilizer : new ArraySerializer(createSerializer(type));
} else if (Collection.class.isAssignableFrom(clz)) {
Class target = Object.class;
if (sgField != null) {
if (sgField.getField() == null) {
if (sgField.getGetMethod() == null) {
throw new SerializerException("the field does not have getter method");
} else {
Type type = sgField.getGetMethod().getMethod().getGenericReturnType();
target = ClassKit.getActualType(type);
}
} else {
Type type = sgField.getField().getGenericType();
target = ClassKit.getActualType(type);
}
}
return Object.class.equals(target) ? defaultCollectionSerializer : new CollectionSerializer(createSerializer(target));
} else if (Map.class.isAssignableFrom(clz)) {
Class target = Object.class;
if (sgField != null) {
if (sgField.getField() == null) {
if (sgField.getGetMethod() == null) {
throw new SerializerException("the field does not have getter method");
} else {
Type type = sgField.getGetMethod().getMethod().getGenericReturnType();
target = ClassKit.getActualType(type, 1);
}
} else {
Type type = sgField.getField().getGenericType();
target = ClassKit.getActualType(type, 1);
}
}
return Object.class.equals(target) ? defaultMapSerializer : new MapSerializer(createSerializer(target));
} else if (JSONEntity.class.isAssignableFrom(clz)) {
return jsonEntitySerializer;
} else if (TypeConvertKit.isBaseType(clz)) {
return baseTypeSerializer;
} else {
//java bean or other java type
ITypeConvertor typeConvertor = ConvertKit.getTypeConvert(clz, String.class, null);
if (typeConvertor == null) {
if (clz.getClassLoader() == null) {
return stringSerializer;
}
} else {
Serializer deserializer = new ConvertSerializer(typeConvertor);
serializerMap.put(clz, deserializer);
return deserializer;
}
SGClass sgClass = ReflectKit.getSGClass(clz);
JavaBeanSerializer javaBeanSerializer = new JavaBeanSerializer();
serializerMap.put(clz, javaBeanSerializer);
javaBeanSerializer.init(sgClass);
return javaBeanSerializer;
}
} else {
return serializer;
}
}
}