/*
    * Copyright 2007 The Kuali Foundation
    * 
    * Licensed under the Educational Community License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    * 
    * http://www.opensource.org/licenses/ecl2.php
    * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.kuali.ole.sys.businessobject.options;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.kuali.ole.sys.context.SpringContext;
  import org.kuali.rice.core.api.util.ConcreteKeyValue;
  import org.kuali.rice.coreservice.framework.parameter.ParameterService;
  import org.kuali.rice.krad.keyvalues.KeyValuesBase;
  
  /**
   * This class gets all the values of a parameter and then builds a list of key label pairs out of them, using each parameter value
   * as both key and label
   */
  public class ParameterValuesFinder extends KeyValuesBase {
      private Class componentClass;
      private String parameterName;
      private boolean insertBlankRow = true;
  
      public ParameterValuesFinder() {
      }
  
      public ParameterValuesFinder(Class componentClass, String parameterName) {
          this.componentClass = componentClass;
          this.parameterName = parameterName;
      }
  
      public List getKeyValues() {
          List keyLabels = new ArrayList();
          List<String> parameterValues = new ArrayList<String>( SpringContext.getBean(ParameterService.class).getParameterValuesAsString(this.componentClass, this.parameterName) );
          if (insertBlankRow) {
              keyLabels.add(new ConcreteKeyValue("", ""));
          }
          if (parameterValues != null) {
              for (String parameterValue : parameterValues) {
                  keyLabels.add(new ConcreteKeyValue(parameterValue, parameterValue));
              }
          }
          return keyLabels;
      }
  
      /**
       * Gets the insertBlankRow attribute.
       * 
       * @return Returns the insertBlankRow.
       */
      public boolean shouldInsertBlankRow() {
          return insertBlankRow;
      }
  
      /**
       * Sets the insertBlankRow attribute value.
       * 
       * @param insertBlankRow The insertBlankRow to set.
       */
      public void setInsertBlankRow(boolean insertBlankRow) {
          this.insertBlankRow = insertBlankRow;
      }
  
      /**
       * Gets the componentClass attribute.
       * 
       * @return Returns the componentClass.
       */
      public Class getComponentClass() {
          return componentClass;
      }
  
      /**
       * Gets the parameterName attribute.
       * 
       * @return Returns the parameterName.
       */
      public String getParameterName() {
          return parameterName;
      }
  
      /**
       * Sets the componentClass attribute value.
       * 
       * @param componentClass The componentClass to set.
       */
      public void setComponentClass(Class componentClass) {
          this.componentClass = componentClass;
     }
 
     /**
      * Sets the parameterName attribute value.
      * 
      * @param parameterName The parameterName to set.
      */
     public void setParameterName(String parameterName) {
         this.parameterName = parameterName;
     }
 
 
 }