/*

  * Copyright 2005-2007 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.rice.kns.lookup.keyvalues;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.HashMap;

 import java.util.Iterator;

 import java.util.List;

 import java.util.Map;

 import org.kuali.rice.core.util.KeyLabelPair;

 /**

  * This class returns list of chart key value pairs.

  *

  *

  */

 public abstract class KeyValuesBase implements KeyValuesFinder {

     public Collection getOptionLabels() {

         List optionLabels = new ArrayList();

         List keyLabels = getKeyValues();

         for (Iterator iter = keyLabels.iterator(); iter.hasNext();) {

             KeyLabelPair keyLabel = (KeyLabelPair) iter.next();

             optionLabels.add(keyLabel.getLabel());

         }

         return optionLabels;

     }

     public Collection getOptionValues() {

         List optionValues = new ArrayList();

         List keyLabels = getKeyValues();

         for (Iterator iter = keyLabels.iterator(); iter.hasNext();) {

             KeyLabelPair keyLabel = (KeyLabelPair) iter.next();

             optionValues.add(keyLabel.getKey());

         }

         return optionValues;

     }

     /**

      * @see org.kuali.rice.kns.lookup.keyvalues.KeyValuesFinder#getKeyLabelMap()

      */

     public Map getKeyLabelMap() {

         Map keyLabelMap = new HashMap();

         List keyLabels = getKeyValues();

         for (Iterator iter = keyLabels.iterator(); iter.hasNext();) {

             KeyLabelPair keyLabel = (KeyLabelPair) iter.next();

             keyLabelMap.put(keyLabel.getKey(), keyLabel.getLabel());

         }

         return keyLabelMap;

     }

     /**

      * @see org.kuali.rice.kns.lookup.keyvalues.KeyValuesFinder#getKeyLabel(java.lang.Object)

      */

     public String getKeyLabel(Object key) {

         Map keyLabelMap = getKeyLabelMap();

         if (keyLabelMap.containsKey(key)) {

             return (String) keyLabelMap.get(key);

         }

         else {

             return "";

         }

     }

     /***

      * @see org.kuali.rice.kns.lookup.keyvalues.KeyValuesFinder#getInactiveKeyValues()

      */

     public List getKeyValues(boolean includeActiveOnly){

             return new ArrayList();

     }

     /**

      * @see org.kuali.rice.kns.lookup.keyvalues.KeyValuesFinder#clearInternalCache()

      */

         public void clearInternalCache() {

                 // do nothing

         }

 }