protostuff 工具類

protostuff，是google在原來的protobuffer是的優化產品。使用起來也比較簡單易用，目前效率也是最好的一種序列化工具。
                pom:
                <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>

 

package cn.witsky.utils;

import io.protostuff.LinkedBuffer;
import io.protostuff.ProtostuffIOUtil;
import io.protostuff.runtime.RuntimeSchema;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class ProtostuffUtils {

    /**
     * 將指定對象序列化爲byte數組
     * @param source
     * @param <T>
     * @return
     */
    public static <T> byte[] serialize(T source) {
        LinkedBuffer buffer = null;
        try {
            RuntimeSchema<T> schema = RuntimeSchema.createFrom((Class<T>) source.getClass());
            buffer = LinkedBuffer.allocate(LinkedBuffer.DEFAULT_BUFFER_SIZE);
            return ProtostuffIOUtil.toByteArray(source, schema, buffer);
        } catch (Exception e) {
            throw new RuntimeException("ProtostuffUtils serialize exception");
        } finally {
            if (buffer != null) {
                buffer.clear();
            }
        }
    }

    /**
     * 將byte數組反序列化爲指定對象
     * @param source
     * @param typeClass
     * @param <T>
     * @return
     */
    public static <T> T deserialize(byte[] source, Class<T> typeClass) {
        try {
            RuntimeSchema<T> schema = RuntimeSchema.createFrom(typeClass);
            T newInstance = typeClass.newInstance();
            ProtostuffIOUtil.mergeFrom(source, newInstance, schema);
            return newInstance;
        } catch (Exception e) {
            throw new RuntimeException("ProtostuffUtils deserialize exception");
        }
    }

    public static void main(String[] args) throws Exception {
        Test expect = new Test();
        expect.setA("gacl");
        expect.setB("男");
        expect.setC(1);
        byte[] serialized = serialize(expect);
        System.out.println(deserialize(serialized, Test.class));
        System.out.println(deserialize(serialized, Test.class).equals(expect));
//        Assert.assertEquals(deserialize(serialized, String.class), expect);
    }
}