001/**
002 * Copyright 2005-2014 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.krad.keyvalues;
017
018import org.kuali.rice.core.api.util.ConcreteKeyValue;
019import org.kuali.rice.core.api.util.KeyValue;
020
021import java.util.ArrayList;
022import java.util.Collections;
023import java.util.HashMap;
024import java.util.List;
025import java.util.Map;
026
027/** a simple values finder that uses a map as the key/value source. */
028public class MapValuesFinder implements KeyValuesFinder {
029
030    private Map<String, String> keyValues;
031
032    public MapValuesFinder(Map<String, String> keyValues) {
033        setKeyValues(keyValues);
034    }
035
036    public void setKeyValues(Map<String, String> keyValues) {
037        if (keyValues == null) {
038            throw new IllegalArgumentException("keyValues was null");
039        }
040        this.keyValues = Collections.unmodifiableMap(new HashMap<String, String>(keyValues));
041    }
042
043    @Override
044    public List<KeyValue> getKeyValues() {
045        final List<KeyValue> list = new ArrayList<KeyValue>();
046        for (Map.Entry<String, String> entry : keyValues.entrySet()) {
047            list.add(new ConcreteKeyValue(entry));
048        }
049        return Collections.unmodifiableList(list);
050    }
051
052    @Override
053    public List<KeyValue> getKeyValues(boolean includeActiveOnly) {
054        return getKeyValues();
055    }
056
057    @Override
058    public Map<String, String> getKeyLabelMap() {
059        return keyValues;
060    }
061
062    @Override
063    public String getKeyLabel(String key) {
064        return keyValues.get(key);
065    }
066
067    @Override
068    public void clearInternalCache() {
069        //do nothing
070    }
071}