package org.kuali.student.common.ui.client.util;

 import com.google.gwt.user.client.ui.UIObject;

 public class DebugIdUtils {

     /** 

      * Converts a String to a WebDriver safe debug ID by replacing all non-digit, non-letter (including Unicode characters) with a dash('-') character.

      * Please note that space characters (' ') will also be replaced by a dash character.

      * This also strips the 'gwt-debug' prefix if it exists.

      * 

      * @param debugId The existing debugId.

      * @return The converted string debug ID.

      */

     public static String createWebDriverSafeDebugId(String debugId) {

         StringBuilder newDebugId = null;

         if (debugId != null) {

             //Strip the gwt-debug prefix if it exists

             if (debugId.startsWith(UIObject.DEBUG_ID_PREFIX)) {

                 debugId = debugId.substring(UIObject.DEBUG_ID_PREFIX.length());

             }

             newDebugId = new StringBuilder();

             for (int i = 0; i < debugId.length(); i++) {

                 newDebugId.append(Character.isLetterOrDigit(debugId.charAt(i)) ? debugId.charAt(i) : "-");

             }

             return newDebugId.toString();

         }

         return null;

     }

 }