HADOOP-8108. Merge r1293128 from trunk to 0.23

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1298239 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -58,7 +58,6 @@ Release 0.23.3 - UNRELEASED
 
     HADOOP-7621. alfredo config should be in a file not readable by users
                  (Alejandro Abdelnur via atm)
-
     HADOOP-8098. KerberosAuthenticatorHandler should use _HOST replacement to 
     resolve principal name (tucu)
 
@@ -77,6 +76,9 @@ Release 0.23.3 - UNRELEASED
     HADOOP-8141. Add method to SecurityUtil to init krb5 cipher suites.
     (todd)
 
+    HADOOP-8108. Move method getHostPortString() from NameNode to NetUtils.
+    (Brandon Li via jitendra)
+
   OPTIMIZATIONS
 
   BUG FIXES

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetUtils.java

@@ -606,6 +606,13 @@ public class NetUtils {
     catch(UnknownHostException uhe) {return "" + uhe;}
   }
   
+  /**
+   * Compose a "host:port" string from the address.
+   */
+  public static String getHostPortString(InetSocketAddress addr) {
+    return addr.getHostName() + ":" + addr.getPort();
+  }
+  
   /**
    * Checks if {@code host} is a local host name and return {@link InetAddress}
    * corresponding to that address.