/**

  * 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.ConcreteKeyValue;

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

 import java.util.ArrayList;

 import java.util.Collections;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Map;

 /** a simple values finder that uses a map as the key/value source. */

 public class MapValuesFinder implements KeyValuesFinder {

     private Map<String, String> keyValues;

     public MapValuesFinder(Map<String, String> keyValues) {

         setKeyValues(keyValues);

     }

     public void setKeyValues(Map<String, String> keyValues) {

         if (keyValues == null) {

             throw new IllegalArgumentException("keyValues was null");

         }

         this.keyValues = Collections.unmodifiableMap(new HashMap<String, String>(keyValues));

     }

     @Override

     public List<KeyValue> getKeyValues() {

         final List<KeyValue> list = new ArrayList<KeyValue>();

         for (Map.Entry<String, String> entry : keyValues.entrySet()) {

             list.add(new ConcreteKeyValue(entry));

         }

         return Collections.unmodifiableList(list);

     }

     @Override

     public List<KeyValue> getKeyValues(boolean includeActiveOnly) {

         return getKeyValues();

     }

     @Override

     public Map<String, String> getKeyLabelMap() {

         return keyValues;

     }

     @Override

     public String getKeyLabel(String key) {

         return keyValues.get(key);

     }

     @Override

     public void clearInternalCache() {

         //do nothing

     }

 }