NIHVIVO-202 Modify validation of frontend vitro namespace property edits to allow both the validator "nonempty" and a range datatype validator.

webapp/src/edu/cornell/mannlib/vitro/webapp/utils/StringUtils.java

@@ -1,9 +1,45 @@
+/* $This file is distributed under the terms of the license in /doc/license.txt$ */
+
 package edu.cornell.mannlib.vitro.webapp.utils;
 
+import java.util.List;
+
 public class StringUtils {
     
     public static String capitalize(String s) {
         return s.substring(0, 1).toUpperCase() + s.substring(1);
     }
-
+    
+    public static String quote(String s) {
+        return s.isEmpty() ? "" : '"' + s + '"';
+    }
+    
+    public static String join(List<?> list, boolean quote, String glue) {
+        
+        if (glue == null) {
+            glue = ",";
+        }
+        String joinedList = "";
+        
+        int count = 0;
+        for (Object o : list) {
+            String s = o.toString();
+            if (count > 0) {
+                joinedList += glue;
+            }
+            count++;
+            joinedList += quote ? quote(s) : s;
+        }
+        
+        return joinedList;
+    }
+    
+    public static String join(List<?> list) {
+        return join(list, false, ",");
+    }
+    
+    public static String quotedList(List<?> list, String glue) {
+    
+        return join(list, true, glue);
+    }        
 }