Protostuff序列化和反序列化的使用说明

<dependency>

   <groupid>io.protostuff</groupid>

   <artifactid>protostuff-core</artifactid>

   <version> 1.4 . 0 </version>

</dependency>

<dependency>

   <groupid>io.protostuff</groupid>

   <artifactid>protostuff-runtime</artifactid>

   <version> 1.4 . 0 </version>

</dependency>

import io.protostuff.linkedbuffer;

import io.protostuff.protobufioutil;

import io.protostuff.protostuffioutil;

import io.protostuff.schema;

import io.protostuff.runtime.runtimeschema;

/**

  * created by zhangzh on 2017/2/20.

  */

public class protobufutil {

   public protobufutil() {

   }

   public static <t> byte [] serializer(t o) {

     schema schema = runtimeschema.getschema(o.getclass());

     return protobufioutil.tobytearray(o, schema, linkedbuffer.allocate( 256 ));

   }

   public static <t> t deserializer( byte [] bytes, class <t> clazz) {

     t obj = null ;

     try {

       obj = clazz.newinstance();

       schema schema = runtimeschema.getschema(obj.getclass());

       protostuffioutil.mergefrom(bytes, obj, schema);

     } catch (instantiationexception e) {

       e.printstacktrace();

     } catch (illegalaccessexception e) {

       e.printstacktrace();

     }

     return obj;

   }

}

import io.protostuff.tag;

/**

  * created by zhangzh on 2017/2/20.

  */

public class student {

   @tag ( 1 )

   private string name;

   @tag ( 2 )

   private string studentno;

   @tag ( 3 )

   private int age;

   @tag ( 4 )

   private string schoolname;

   // 关于@tag,要么所有属性都有@tag注解,要么都没有,不能一个类中只有部分属性有@tag注解

   public string getname() {

     return name;

   }

   public void setname(string name) {

     this .name = name;

   }

   public string getstudentno() {

     return studentno;

   }

   public void setstudentno(string studentno) {

     this .studentno = studentno;

   }

   public int getage() {

     return age;

   }

   public void setage( int age) {

     this .age = age;

   }

   public string getschoolname() {

     return schoolname;

   }

   public void setschoolname(string schoolname) {

     this .schoolname = schoolname;

   }

   @override

   public string tostring() {

     return "student{" +

         "name='" + name + '\ '' +

         ", studentno='" + studentno + '\ '' +

         ", age=" + age +

         ", schoolname='" + schoolname + '\ '' +

         '}' ;

   }

}

import java.util.arrays;

/**

  * created by zhangzh on 2017/2/20.

  */

public class protobufutiltest {

   public static void main(string[] args) {

     student student = new student();

     student.setname( "lance" );

     student.setage( 28 );

     student.setstudentno( "2011070122" );

     student.setschoolname( "bjut" );

     byte [] serializerresult = protobufutil.serializer(student);

     system.out.println( "serializer result:" + arrays.tostring(serializerresult));

     student deserializerresult = protobufutil.deserializer(serializerresult,student. class );

     system.out.println( "deserializerresult:" + deserializerresult.tostring());

   }

}