svn commit: r1594251 - /logging/log4j/log4j2/trunk/log4j-core/src/main/java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java

[ggregory]

Author: ggregory
Date: Tue May 13 15:36:30 2014
New Revision: 1594251

URL: http://svn.apache.org/r1594251
Log:
Refactor magic strings into a constant.

Modified:
    
logging/log4j/log4j2/trunk/log4j-core/src/main/java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java

Modified: 
logging/log4j/log4j2/trunk/log4j-core/src/main/java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java
URL: 
http://svn.apache.org/viewvc/logging/log4j/log4j2/trunk/log4j-core/src/main/java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java?rev=1594251&r1=1594250&r2=1594251&view=diff
==============================================================================
--- 
logging/log4j/log4j2/trunk/log4j-core/src/main/java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java
 (original)
+++ 
logging/log4j/log4j2/trunk/log4j-core/src/main/java/org/apache/logging/log4j/core/lookup/StrSubstitutor.java
 Tue May 13 15:36:30 2014
@@ -25,6 +25,7 @@ import java.util.Map;
 import java.util.Properties;
 
 import org.apache.logging.log4j.core.LogEvent;
+import org.apache.logging.log4j.util.Strings;
 
 /**
  * Substitutes variables within a string by values.
@@ -1116,7 +1117,7 @@ public class StrSubstitutor {
      */
     public void appendWithSeparators(final StringBuilder sb, final Iterable<?> 
iterable, String separator) {
         if (iterable != null) {
-            separator = (separator == null ? "" : separator);
+            separator = (separator == null ? Strings.EMPTY : separator);
             final Iterator<?> it = iterable.iterator();
             while (it.hasNext()) {
                 sb.append(it.next());