package org.kuali.student.lum.common.client.widgets;
   
   import org.kuali.student.core.assembly.data.Data;
   import org.kuali.student.core.assembly.helper.PropertyEnum;
   
   public class QueryParamHelper {
   
       public enum Properties implements PropertyEnum
       {
          VALUE ("value"),
          LIST_VALUE ("listValue"),
          KEY ("key");
  
          private final String key;
  
          private Properties (final String key) {
              this.key = key;
          }
  
          @Override
          public String getKey() {
              return this.key;
          }
      }
      
      private Data data;
      
      public QueryParamHelper(Data data) {
          this.data = data;
      }
      
      public static QueryParamHelper wrap(Data data) {
          if (data == null) {
              return null;
          }
          return new QueryParamHelper(data);
      }
      
      public void setValue(String value) {
          data.set(Properties.VALUE.getKey(), value);
      }
      
      public String getValue() {
          return (String) data.get(Properties.VALUE.getKey());
      }
      
      public void setListValue(Data value) {
          data.set(Properties.LIST_VALUE.getKey(), value);
      }
      
      public Data getListValue() {
          Data listValue = data.get(Properties.LIST_VALUE.getKey());
          if (listValue == null) {
              listValue = new Data();
              setListValue(listValue);
          }
          return listValue;
      }
      
      public void setKey(String value) {
          data.set(Properties.KEY.getKey(), value);
      }
      
      public String getKey() {
          return (String) data.get(Properties.KEY.getKey());
      }
      
      public Data getData() {
          return data;
      }
      
  }