replaced commented code with 'if (false)' block

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@893395 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/poi/ss/usermodel/DateUtil.java

@@ -214,9 +214,9 @@ public class DateUtil {
         }
 
         String fs = formatString;
-        /*
+        if (false) {
-            Normalize the format string. The code below is equivalent
+            // Normalize the format string. The code below is equivalent
-            to the following consecutive regexp replacements:
+            // to the following consecutive regexp replacements:
 
              // Translate \- into just -, before matching
              fs = fs.replaceAll("\\\\-","-");
@@ -231,27 +231,27 @@ public class DateUtil {
              //  switching stuff, which we can ignore
              fs = fs.replaceAll(";@", "");
 
-             The code above was reworked as suggested in bug 48425:
+             // The code above was reworked as suggested in bug 48425:
-             simple loop is more efficient than consecutive regexp replacements.
+             // simple loop is more efficient than consecutive regexp replacements.
-         */
+        }
-        StringBuilder sb = new StringBuilder();
+        StringBuilder sb = new StringBuilder(fs.length());
-        for(int i = 0; i < fs.length(); i++){
+        for (int i = 0; i < fs.length(); i++) {
             char c = fs.charAt(i);
-            if(i < fs.length() - 1){
+            if (i < fs.length() - 1) {
                 char nc = fs.charAt(i + 1);
-                if(c == '\\'){
+                if (c == '\\') {
-                    switch (nc){
+                    switch (nc) {
                         case '-':
                         case ',':
                         case '.':
                         case ' ':
                         case '\\':
-                            //skip current '\' and continue to the next char
+                            // skip current '\' and continue to the next char
                             continue;
                     }
-                } else if (c == ';' && nc == '@'){
+                } else if (c == ';' && nc == '@') {
                     i++;
-                    //skip ";@" duplets
+                    // skip ";@" duplets
                     continue;
                 }
             }