package org.andromda.metafacades.uml;
   
   import java.text.Normalizer;
   
   import org.andromda.utils.StringUtilsHelper;
   import org.apache.commons.lang.StringUtils;
   
   /**
    * Provides the ability to <code>mask</code> names in a standard manner.
   *
   * @author Chad Brandon
   */
  public class NameMasker
  {
      /**
       * The <code>uppercase</code> mask.
       */
      public static final String UPPERCASE = "uppercase";
  
      /**
       * The <code>underscore</code> mask.
       */
      public static final String UNDERSCORE = "underscore";
  
      /**
       * The <code>upperunderscore</code> mask.
       */
      public static final String UPPERUNDERSCORE = "upperunderscore";
  
      /**
       * The <code>lowercase</code> mask.
       */
      public static final String LOWERCASE = "lowercase";
  
      /**
       * The <code>lowerunderscore</code> mask.
       */
      public static final String LOWERUNDERSCORE = "lowerunderscore";
  
      /**
       * The <code>uppercamelcase</code> mask.
       */
      public static final String UPPERCAMELCASE = "uppercamelcase";
  
      /**
       * The <code>lowercamelcase</code> mask.
       */
      public static final String LOWERCAMELCASE = "lowercamelcase";
  
      /**
       * The <code>nospace</code> mask.
       */
      public static final String NOSPACE = "nospace";
  
      /**
       * The <code>noaccent</code> mask.
       */
      public static final String NOACCENT = "noaccent";
  
      /**
       * The <code>none</code> mask.
       */
      public static final String NONE = "none";
  
      /**
       * Returns the name with the appropriate <code>mask</code> applied. The mask, must match one of the valid mask
       * properties or will be ignored.
       *
       * @param name the name to be masked
       * @param mask the mask to apply
       * @return the masked name.
       */
      public static String mask(String name, String mask)
      {
          mask = StringUtils.trimToEmpty(mask);
          name = StringUtils.trimToEmpty(name);
          if (!mask.equalsIgnoreCase(NONE))
          {
              if (mask.equalsIgnoreCase(UPPERCASE))
              {
                  name = name.toUpperCase();
              }
              else if (mask.equalsIgnoreCase(UNDERSCORE))
              {
                  name = StringUtilsHelper.separate(name, "_");
              }
              else if (mask.equalsIgnoreCase(UPPERUNDERSCORE))
              {
                  name = StringUtilsHelper.separate(name, "_").toUpperCase();
              }
              else if (mask.equalsIgnoreCase(LOWERCASE))
              {
                  name = name.toLowerCase();
              }
              else if (mask.equalsIgnoreCase(LOWERUNDERSCORE))
              {
                  name = StringUtilsHelper.separate(name, "_").toLowerCase();
              }
              else if (mask.equalsIgnoreCase(LOWERCAMELCASE))
             {
                 name = StringUtilsHelper.lowerCamelCaseName(name);
             }
             else if (mask.equalsIgnoreCase(UPPERCAMELCASE))
             {
                 name = StringUtilsHelper.upperCamelCaseName(name);
             }
             else if (mask.equalsIgnoreCase(NOSPACE))
             {
                 name = StringUtils.deleteWhitespace(name);
             }
             else if (mask.equalsIgnoreCase(NOACCENT))
             {
                 name = Normalizer.normalize(name, java.text.Normalizer.Form.NFD).replaceAll("[^\\p{ASCII}]","");
             }
         }
         return name;
     }
 }