/**

  * Copyright 2005-2011 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.krad.keyvalues;

 import org.kuali.rice.core.api.util.KeyValue;

 import java.io.Serializable;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.Collections;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Map;

 /**

  * Abstract base implementation of {@link KeyValuesFinder}

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public abstract class KeyValuesBase implements KeyValuesFinder, Serializable {

     public Collection<String> getOptionLabels() {

             Collection<String> optionLabels = new ArrayList<String>();

             Collection<KeyValue> keyLabels = getKeyValues();

         for (KeyValue keyLabel : keyLabels) {

                 optionLabels.add(keyLabel.getValue());

         }

         return optionLabels;

     }

     public Collection<String> getOptionValues() {

             Collection<String> optionValues = new ArrayList<String>();

             Collection<KeyValue> keyLabels = getKeyValues();

         for (KeyValue keyLabel : keyLabels) {

                 optionValues.add(keyLabel.getKey());

         }

         return optionValues;

     }

     @Override

         public Map<String, String> getKeyLabelMap() {

         Map<String, String> keyLabelMap = new HashMap<String, String>();

         List<KeyValue> keyLabels = getKeyValues();

         for (KeyValue keyLabel : keyLabels) {

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

         }

         return keyLabelMap;

     }

     @Override

         public String getKeyLabel(String key) {

         Map<String, String> keyLabelMap = getKeyLabelMap();

         if (keyLabelMap.containsKey(key)) {

             return keyLabelMap.get(key);

         }

         return null;

     }

     @Override

         public List<KeyValue> getKeyValues(boolean includeActiveOnly){

             return Collections.emptyList();

     }

         @Override

         public void clearInternalCache() {

                 // do nothing

         }

 }