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MAPREDUCE-5274. Bring back SecureShuffleUtils.toHex in mapreduce for binary compatibility with 1.x APIs. Contributed by Mayank Bansal. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1488625 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Vinod Kumar Vavilapalli 2013-06-01 22:21:43 +00:00
parent 8267117e10
commit 05cdca070e
2 changed files with 20 additions and 0 deletions
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3
hadoop-mapreduce-project/CHANGES.txt
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@ -273,6 +273,9 @@ Release 2.1.0-beta - UNRELEASED
MAPREDUCE-5229. Put back FileOutputCommitter.TEMP_DIR_NAME in mapreduce for
binary compatibility with 1.x APIs. (Zhijie Shen via vinodkv)
MAPREDUCE-5274. Bring back SecureShuffleUtils.toHex in mapreduce for binary
compatibility with 1.x APIs. (Mayank Bansal via vinodkv)
OPTIMIZATIONS
MAPREDUCE-4974. Optimising the LineRecordReader initialize() method

17
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/security/SecureShuffleUtils.java
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@ -18,7 +18,9 @@
package org.apache.hadoop.mapreduce.security;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.net.URL;
import javax.crypto.SecretKey;
@ -131,4 +133,19 @@ public class SecureShuffleUtils {
private static String buildMsgFrom(String uri_path, String uri_query, int port) {
return String.valueOf(port) + uri_path + "?" + uri_query;
}
/**
* byte array to Hex String
*
* @param ba
* @return string with HEX value of the key
*/
public static String toHex(byte[] ba) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(baos);
for (byte b : ba) {
ps.printf("%x", b);
}
return baos.toString();
}
}