Merge pull request #240 from dltc/master

纯Java实现的CRC32算法, 代替原来的调用native方法的实现,可以提升每条消息计算CRC32的速度.
johnhx · Apr 22, 2016 · 4d24a56 · 4d24a56
2 parents 2502246 + ede8bb8
commit 4d24a56
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diff --git a/rocketmq-common/src/main/java/com/alibaba/rocketmq/common/UtilAll.java b/rocketmq-common/src/main/java/com/alibaba/rocketmq/common/UtilAll.java
@@ -32,12 +32,13 @@
 import java.util.zip.DeflaterOutputStream;
 import java.util.zip.InflaterInputStream;
 
+import com.alibaba.rocketmq.common.utils.PureJavaCrc32;
 import com.alibaba.rocketmq.remoting.common.RemotingHelper;
 
 
 /**
  * 各种方法大杂烩
- * 
+ *
  * @author shijia.wxr<[email protected]>
  */
 public class UtilAll {
@@ -190,7 +191,7 @@ public static String timeMillisToHumanString2(final long t) {
     /**
      * 返回日期时间格式，精度到秒<br>
      * 格式如下：2013122305190000
-     * 
+     *
      * @param t
      * @return
      */
@@ -248,7 +249,7 @@ public static final int crc32(byte[] array) {
 
 
     public static final int crc32(byte[] array, int offset, int length) {
-        CRC32 crc32 = new CRC32();
+        PureJavaCrc32 crc32 = new PureJavaCrc32();
         crc32.update(array, offset, length);
         return (int) (crc32.getValue() & 0x7FFFFFFF);
     }