global replace StringBuffer with StringBuilder

git-svn-id: https://svn.apache.org/repos/asf/turbine/fulcrum/trunk/yaafi-crypto@1842724 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/java/org/apache/fulcrum/jce/crypto/HexConverter.java b/src/java/org/apache/fulcrum/jce/crypto/HexConverter.java
index d5ef3e0..44b5e1e 100644
--- a/src/java/org/apache/fulcrum/jce/crypto/HexConverter.java
+++ b/src/java/org/apache/fulcrum/jce/crypto/HexConverter.java
@@ -78,9 +78,9 @@
         int nOfs,
         int nLen)
     {
-        StringBuffer sbuf;
+        StringBuilder sbuf;
 
-        sbuf = new StringBuffer();
+        sbuf = new StringBuilder();
         sbuf.setLength(nLen << 1);
 
         int nPos = 0;
diff --git a/src/java/org/apache/fulcrum/jce/crypto/PasswordFactory.java b/src/java/org/apache/fulcrum/jce/crypto/PasswordFactory.java
index a675e01..20ba498 100644
--- a/src/java/org/apache/fulcrum/jce/crypto/PasswordFactory.java
+++ b/src/java/org/apache/fulcrum/jce/crypto/PasswordFactory.java
@@ -97,7 +97,7 @@
         byte [] temp = new byte[salt.length + passwordMask.length];
         byte [] digest = null;
 
-        StringBuffer stringBuffer = new StringBuffer();
+        StringBuilder stringBuffer = new StringBuilder();
 
         // combine the password with the salt string into a byte[9
 
@@ -139,7 +139,7 @@
             result[i] = stringBuffer.charAt( i );
         }
 
-        // wipe out the StringBuffer
+        // wipe out the StringBuilder
 
         for (int i = 0; i < stringBuffer.length(); i++)
         {