/*
    * Copyright 2007-2008 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.Collection;
  import java.util.List;
  
  import org.kuali.ole.sys.OLEPropertyConstants;
  import org.kuali.ole.sys.businessobject.UnitOfMeasure;
  import org.kuali.ole.sys.context.SpringContext;
  import org.kuali.rice.core.api.util.ConcreteKeyValue;
  import org.kuali.rice.core.api.util.KeyValue;
  import org.kuali.rice.krad.keyvalues.KeyValuesBase;
  import org.kuali.rice.krad.service.KeyValuesService;
  
  /**
   * Value Finder for Units Of Measure.
   */
  public class UnitOfMeasureValuesFinder extends KeyValuesBase {
  
      /**
       * Returns code/description pairs of all Units Of Measure.
       * 
       * @see org.kuali.rice.kns.lookup.keyvalues.KeyValuesFinder#getKeyValues()
       */
      public List getKeyValues() {
          Collection<UnitOfMeasure> results = SpringContext.getBean(KeyValuesService.class).findAllOrderBy(UnitOfMeasure.class, OLEPropertyConstants.ITEM_UNIT_OF_MEASURE_DESCRIPTION, true);
          List<KeyValue> labels = new ArrayList<KeyValue>();
          labels.add(new ConcreteKeyValue("", ""));
          for (UnitOfMeasure uom : results) {
              if(uom.isActive()) {
                  labels.add(new ConcreteKeyValue(uom.getItemUnitOfMeasureCode(), uom.getItemUnitOfMeasureDescription()));
              }
          }
          return labels;
      }
  }