svn commit: r1488625 - in /hadoop/common/trunk/hadoop-mapreduce-project: CHANGES.txt hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/security/SecureShuffleUtils.java

[vinodkv]

Author: vinodkv
Date: Sat Jun  1 22:21:43 2013
New Revision: 1488625

URL: http://svn.apache.org/r1488625
Log:
MAPREDUCE-5274. Bring back SecureShuffleUtils.toHex in mapreduce for binary 
compatibility with 1.x APIs. Contributed by Mayank Bansal.

Modified:
    hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
    
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/security/SecureShuffleUtils.java

Modified: hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
URL: 
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt?rev=1488625&r1=1488624&r2=1488625&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt Sat Jun  1 
22:21:43 2013
@@ -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 

Modified: 
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/security/SecureShuffleUtils.java
URL: 
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/security/SecureShuffleUtils.java?rev=1488625&r1=1488624&r2=1488625&view=diff
==============================================================================
--- 
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/security/SecureShuffleUtils.java
 (original)
+++ 
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/security/SecureShuffleUtils.java
 Sat Jun  1 22:21:43 2013
@@ -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();
+  }
 }