protostuff java_java protostuff 序列化反序列化工具

packagecom.common.utils;importio.protostuff.LinkedBuffer;importio.protostuff.ProtostuffIOUtil;importio.protostuff.Schema;importio.protostuff.runtime.RuntimeSchema;/***

* @desc protobuf序列化反序列化工具

*@authorwulm*/

public classProtostuffUtil{/*** @desc protostuff 目前不支持直接序列化List等对象，需要使用普通的POJO包装一下

*@authorwulm*/

private static classSerializeData {privateObject target;publicObject getTarget() {returntarget;

}public voidsetTarget(Object target) {this.target =target;

}

}private static final ThreadLocal BUFFER_THREAD_LOCAL =ThreadLocal

.withInitial(()-> LinkedBuffer.allocate(512));/*** @desc 序列化

* @auth wulm*/@SuppressWarnings(“unchecked”)public static byte[] serialize(Object obj) {

SerializeData data= newSerializeData();

data.setTarget(obj);//this is lazily created and cached by RuntimeSchema//so its safe to call RuntimeSchema.getSchema(Foo.class) over and over//The getSchema method is also thread-safe

Schema schema = RuntimeSchema.getSchema((Class) data.getClass());//Re-use (manage) this buffer to avoid allocating on every serialization//LinkedBuffer buffer = LinkedBuffer.allocate(512);

LinkedBuffer buffer =BUFFER_THREAD_LOCAL.get();//ser

try{returnProtostuffIOUtil.toByteArray(data, schema, buffer);

}catch(Exception e) {throw newIllegalStateException(e.getMessage(), e);

}finally{

buffer.clear();

}

}/***

* @desc 反序列化

* @auth wulm*/@SuppressWarnings(“unchecked”)public static T deserialize(byte[] data, Classcls) {

Schema schema = RuntimeSchema.getSchema(SerializeData.class);//deser

SerializeData message =schema.newMessage();

ProtostuffIOUtil.mergeFrom(data, message, schema);return(T) message.getTarget();

}//public static class Aaa {//

//public static void main(String[] args) {//

//Aaa aaa = new Aaa();//aaa.setA(“你好呀”);//aaa.setB(“我是佩琪”);//aaa.setC(“你好”);//aaa.setD(“我是猪爸爸”);//

//List list = new ArrayList<>();//list.add(aaa);//

//byte[] serialize = ProtostuffUtil.serialize(list);//

//List bb = ProtostuffUtil.deserialize(serialize,//List.class);//

//System.out.println(JacksonUtils.writeValueAsString(bb));//

//}//

//private String a;//private String b;//private String c;//private String d;//

//public String getA() {//return a;//}//

//public void setA(String a) {//this.a = a;//}//

//public String getB() {//return b;//}//

//public void setB(String b) {//this.b = b;//}//

//public String getC() {//return c;//}//

//public void setC(String c) {//this.c = c;//}//

//public String getD() {//return d;//}//

//public void setD(String d) {//this.d = d;//}//

//}

}