Protostuff序列化

 1         <!--protostuff序列化依赖-->
 2         <dependency>
 3             <groupId>com.dyuproject.protostuff</groupId>
 4             <artifactId>protostuff-core</artifactId>
 5             <version>1.1.2</version>
 6         </dependency>
 7         <dependency>
 8             <groupId>com.dyuproject.protostuff</groupId>
 9             <artifactId>protostuff-runtime</artifactId>
10             <version>1.1.2</version>
11         </dependency>
package com.jyhd.cardhouse.redis.utile;

import com.dyuproject.protostuff.LinkedBuffer;
import com.dyuproject.protostuff.ProtostuffIOUtil;
import com.dyuproject.protostuff.Schema;
import com.dyuproject.protostuff.runtime.RuntimeSchema;
import org.springframework.objenesis.Objenesis;
import org.springframework.objenesis.ObjenesisStd;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
* 序列化工具
* Create by Administrator
* 2018/3/19 0019
* 下午 2:28
**/
public class serializeUtile {

private static Map<Class<?>, Schema<?>> cachedSchema = new ConcurrentHashMap<>();
private static Objenesis objenesis = new ObjenesisStd(true);

/**
* 序列化
* @param obj
* @param <T>
* @return
*/
@SuppressWarnings("unchecked") //用于抑制编译器产生警告信息。
public static <T> byte[] serialize(T obj){
Class<T> cls = (Class<T>) obj.getClass();
LinkedBuffer buffer = LinkedBuffer.allocate(LinkedBuffer.DEFAULT_BUFFER_SIZE);
try {
Schema<T> schema = getSchema(cls);
return ProtostuffIOUtil.toByteArray(obj, schema, buffer);
} catch (Exception e) {
throw new IllegalStateException(e.getMessage(), e);
} finally {
buffer.clear();
}
}

/**
* 反序列化
* @param data
* @param cls
* @param <T>
* @return
*/
public static <T> T unserialize(byte[] data, Class<T> cls) {
try {
T message = objenesis.newInstance(cls);
Schema<T> schema = getSchema(cls);
ProtostuffIOUtil.mergeFrom(data, message, schema);
return message;
} catch (Exception e) {
throw new IllegalStateException(e.getMessage(), e);
}
}

@SuppressWarnings("unchecked")
private static <T> Schema<T> getSchema(Class<T> cls) {
Schema<T> schema = (Schema<T>) cachedSchema.get(cls);
if (schema == null) {
schema = RuntimeSchema.createFrom(cls);
if (schema != null) {
cachedSchema.put(cls, schema);
}
}
return schema;
}

}

  

posted @ 2018-03-19 14:39  花儿为何那样红  阅读(878)  评论(0编辑  收藏  举报