ProtocolBufferJava实例

package com.shine.pb;
option java_package = "com.shine.pb.person";
option java_outer_classname = "MyPerson";

message Person {
    required int32 id = 1;
    required string name = 2;
    optional string email = 3;

    enum PhoneType {
        MOBILE = 0;
        FIXED = 1;
    }
    
    message PhoneInfo {
        required string number = 1;
        required PhoneType type = 2 [default=MOBILE]; 
    }
    
    optional PhoneInfo phone = 4;
}

package com.shine.pb.person;

import com.google.protobuf.InvalidProtocolBufferException;
import com.shine.pb.person.MyPerson.Person.PhoneType;


public class Test {
    
    public static void main(String[] args) throws InvalidProtocolBufferException {
        MyPerson.Person.Builder  builder = MyPerson.Person.newBuilder();
        builder.setId(1);
        builder.setName("shine");
        builder.setEmail("chenguodong@baidu.com");
        MyPerson.Person.PhoneInfo.Builder phoneInfoBuilder = MyPerson.Person.PhoneInfo.newBuilder();
        phoneInfoBuilder.setNumber("13899999999");
        phoneInfoBuilder.setType(PhoneType.MOBILE);
        builder.setPhone(phoneInfoBuilder.build());
        
        MyPerson.Person shine = builder.build();
        
        System.out.println(shine.getSerializedSize());
        System.out.println(shine.getEmail());
        System.out.println(shine.getName());
        System.out.println(shine.getPhone().getNumber());
        
        System.out.println("=============================================");
        
        byte[] data = shine.toByteArray();
        builder = MyPerson.Person.newBuilder();
        MyPerson.Person person = MyPerson.Person.parseFrom(data);
        System.out.println(person.getSerializedSize());
        System.out.println(person.getEmail());
        System.out.println(person.getName());
        System.out.println(person.getPhone().getNumber());
    }

}