基于Protostuff的序列化与反序列化

Posted mada26

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一种protobuf序列化方式,不需要编写proto文件

Maven依赖

         <dependency>
            <groupId>com.dyuproject.protostuff</groupId>
            <artifactId>protostuff-core</artifactId>
            <version>1.0.7</version>
        </dependency>

        <dependency>
            <groupId>com.dyuproject.protostuff</groupId>
            <artifactId>protostuff-runtime</artifactId>
            <version>1.0.7</version>
        </dependency>

实现

public class SerializingUtil 

    /**
     * 将目标类序列化为byte数组
     *
     * @param source
     * @param <T>
     * @return
     */
    public static <T> byte[] serialize(T source) 
        RuntimeSchema<T> schema;
        LinkedBuffer buffer = null;
        byte[] result;
        try 
            schema = RuntimeSchema.createFrom((Class<T>) source.getClass());
            buffer = LinkedBuffer.allocate(LinkedBuffer.DEFAULT_BUFFER_SIZE);
            result = ProtostuffIOUtil.toByteArray(source, schema, buffer);
         catch (Exception e) 
            throw new RuntimeException("serialize exception");
         finally 
            if (buffer != null) 
                buffer.clear();
            
        

        return result;
    

    /**
     * 将byte数组反序列化为目标类
     *
     * @param source
     * @param typeClass
     * @param <T>
     * @return
     */
    public static <T> T deserialize(byte[] source, Class<T> typeClass) 
        RuntimeSchema<T> schema;
        T newInstance;
        try 
            schema = RuntimeSchema.createFrom(typeClass);
            newInstance = typeClass.newInstance();
            ProtostuffIOUtil.mergeFrom(source, newInstance, schema);
         catch (Exception e) 
            throw new RuntimeException("deserialize exception");
        

        return newInstance;
    

测试类

public class SerializingUtilTest 

    public static void main(String[] args) 
        String expect = "hello, world.";

        byte[] bytes = SerializingUtil.serialize(expect);
        System.out.println(bytes);

        String s = SerializingUtil.deserialize(bytes, String.class);
        System.out.println(s);
    

原文:基于Protostuff的序列化与反序列化

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