org.csource.fastdfs.ProtoStructDecoder Maven / Gradle / Ivy
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/**
* Copyright (C) 2008 Happy Fish / YuQing
*
* FastDFS Java Client may be copied only under the terms of the GNU Lesser
* General Public License (LGPL).
* Please visit the FastDFS Home Page http://www.csource.org/ for more detail.
*/
package org.csource.fastdfs;
import java.io.IOException;
import java.lang.reflect.Array;
/**
* C struct body decoder
* @author Happy Fish / YuQing
* @version Version 1.17
*/
public class ProtoStructDecoder
{
/**
* Constructor
*/
public ProtoStructDecoder()
{
}
/**
* decode byte buffer
*/
public T[] decode(byte[] bs, Class clazz, int fieldsTotalSize) throws Exception
{
if (bs.length % fieldsTotalSize != 0)
{
throw new IOException("byte array length: " + bs.length + " is invalid!");
}
int count = bs.length / fieldsTotalSize;
int offset;
T[] results = (T[])Array.newInstance(clazz, count);
offset = 0;
for (int i=0; i