Return-Path: 
 <common-commits-return-25311-apmail-hadoop-common-commits-archive=hadoop.apache.org@hadoop.apache.org>
X-Original-To: apmail-hadoop-common-commits-archive@www.apache.org
Delivered-To: apmail-hadoop-common-commits-archive@www.apache.org
Received: from mail.apache.org (hermes.apache.org [140.211.11.3])
	by minotaur.apache.org (Postfix) with SMTP id C4CF411FEE
	for <apmail-hadoop-common-commits-archive@www.apache.org>;
 Thu, 31 Jul 2014 06:53:18 +0000 (UTC)
Received: (qmail 32506 invoked by uid 500); 31 Jul 2014 06:53:18 -0000
Delivered-To: apmail-hadoop-common-commits-archive@hadoop.apache.org
Received: (qmail 32438 invoked by uid 500); 31 Jul 2014 06:53:18 -0000
Mailing-List: contact common-commits-help@hadoop.apache.org; run by ezmlm
Precedence: bulk
List-Help: <mailto:common-commits-help@hadoop.apache.org>
List-Unsubscribe: <mailto:common-commits-unsubscribe@hadoop.apache.org>
List-Post: <mailto:common-commits@hadoop.apache.org>
List-Id: <common-commits.hadoop.apache.org>
Reply-To: common-dev@hadoop.apache.org
Delivered-To: mailing list common-commits@hadoop.apache.org
Received: (qmail 32429 invoked by uid 99); 31 Jul 2014 06:53:18 -0000
Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136)
    by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 31 Jul 2014 06:53:18 +0000
X-ASF-Spam-Status: No, hits=-2000.0 required=5.0
	tests=ALL_TRUSTED
X-Spam-Check-By: apache.org
Received: from [140.211.11.4] (HELO eris.apache.org) (140.211.11.4)
    by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 31 Jul 2014 06:53:17 +0000
Received: from eris.apache.org (localhost [127.0.0.1])
	by eris.apache.org (Postfix) with ESMTP id 5B16023890C4;
	Thu, 31 Jul 2014 06:52:57 +0000 (UTC)
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: svn commit: r1614815 -
 /hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/StringUtils.java
Date: Thu, 31 Jul 2014 06:52:57 -0000
To: common-commits@hadoop.apache.org
From: arp@apache.org
X-Mailer: svnmailer-1.0.9
Message-Id: <20140731065257.5B16023890C4@eris.apache.org>
X-Virus-Checked: Checked by ClamAV on apache.org

Author: arp
Date: Thu Jul 31 06:52:56 2014
New Revision: 1614815

URL: http://svn.apache.org/r1614815
Log:
HDFS-6441: Merging r1614812 from trunk to branch-2.

Modified:
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/StringUtils.java

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/StringUtils.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/StringUtils.java?rev=1614815&r1=1614814&r2=1614815&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/StringUtils.java (original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/StringUtils.java Thu Jul 31 06:52:56 2014
@@ -27,6 +27,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Date;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.LinkedHashSet;
 import java.util.List;
@@ -377,6 +378,19 @@ public class StringUtils {
     return str.trim().split("\\s*,\\s*");
   }
 
+  /**
+   * Trims all the strings in a Collection<String> and returns a Set<String>.
+   * @param strings
+   * @return
+   */
+  public static Set<String> getTrimmedStrings(Collection<String> strings) {
+    Set<String> trimmedStrings = new HashSet<String>();
+    for (String string: strings) {
+      trimmedStrings.add(string.trim());
+    }
+    return trimmedStrings;
+  }
+
   final public static String[] emptyStringArray = {};
   final public static char COMMA = ',';
   final public static String COMMA_STR = ",";