使用protostuff进行序列化和反序列化

ProtostuffUtil.java

/**
 * Created by zhuhai on 2016/6/3.
 */
public class ProtostuffUtil {

    private static Map<Class<?>, Schema<?>> schemaMap = new ConcurrentHashMap<Class<?>, Schema<?>>();

    public static <T> Schema<T> getSchema(Class<T> clazz) {

        Schema<T> schema = (Schema<T>) schemaMap.get(clazz);
        if (schema == null) {
            schema = RuntimeSchema.getSchema(clazz);
            if (schema != null) {
                schemaMap.put(clazz, schema);
            }
        }
        return schema;
    }

    /**
     * 序列化
     * @param obj
     * @param <T>
     * @return
     */
    public static <T> byte[] serializer(T obj) {

        Class<T> clazz = (Class<T>) obj.getClass();
        LinkedBuffer buffer = LinkedBuffer.allocate(LinkedBuffer.DEFAULT_BUFFER_SIZE);
        try {
            Schema<T> schema = getSchema(clazz);
            return ProtostuffIOUtil.toByteArray(obj, schema, buffer);
        } catch (Exception e) {
            throw new IllegalStateException(e.getMessage(), e);
        } finally {
            buffer.clear();
        }
    }

    /**
     * 反序列化
     * @param data
     * @param clazz
     * @param <T>
     * @return
     */
    public static <T> T deserializer(byte[] data, Class<T> clazz) {

        try {
            T obj = clazz.newInstance();
            Schema<T> schema = getSchema(clazz);
            ProtostuffIOUtil.mergeFrom(data, obj, schema);
            return obj;
        } catch (Exception e) {
            throw new IllegalStateException(e.getMessage(), e);
        }

    }


}