replace StringBuffer by StringBuilder

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1384337 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/maven/plugin/issues/IssuesReportHelper.java b/src/main/java/org/apache/maven/plugin/issues/IssuesReportHelper.java
index a8fbb3b..0c2d157 100644
--- a/src/main/java/org/apache/maven/plugin/issues/IssuesReportHelper.java
+++ b/src/main/java/org/apache/maven/plugin/issues/IssuesReportHelper.java
@@ -130,7 +130,7 @@
      */
     public static String printValues( List<String> values )
     {
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
         if ( values != null )
         {
             Iterator<String> iterator = values.iterator();
diff --git a/src/main/java/org/apache/maven/plugin/jira/AbstractJiraDownloader.java b/src/main/java/org/apache/maven/plugin/jira/AbstractJiraDownloader.java
index b404fb5..3d05fc7 100644
--- a/src/main/java/org/apache/maven/plugin/jira/AbstractJiraDownloader.java
+++ b/src/main/java/org/apache/maven/plugin/jira/AbstractJiraDownloader.java
@@ -335,7 +335,7 @@
         // log into JIRA if we have to
         String loginUrl = null;
 
-        StringBuffer loginLink = new StringBuffer( jiraUrl );
+        StringBuilder loginLink = new StringBuilder( jiraUrl );
 
         loginLink.append( "/login.jsp?os_destination=/secure/" );
 
diff --git a/src/main/java/org/apache/maven/plugin/jira/JiraXML.java b/src/main/java/org/apache/maven/plugin/jira/JiraXML.java
index 5d9af39..93d9e6b 100644
--- a/src/main/java/org/apache/maven/plugin/jira/JiraXML.java
+++ b/src/main/java/org/apache/maven/plugin/jira/JiraXML.java
@@ -53,7 +53,7 @@
 {
     private final List<Issue> issueList;
 
-    private final StringBuffer currentElement = new StringBuffer( 1024 );
+    private final StringBuilder currentElement = new StringBuilder( 1024 );
 
     private String currentParent = "";