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.krms.impl.repository;
017
018import java.util.ArrayList;
019import java.util.Collection;
020import java.util.Collections;
021import java.util.HashMap;
022import java.util.List;
023import java.util.Map;
024
025import org.apache.commons.collections.CollectionUtils;
026import org.kuali.rice.core.api.criteria.QueryByCriteria;
027import org.kuali.rice.core.api.criteria.QueryResults;
028import org.kuali.rice.core.api.util.ConcreteKeyValue;
029import org.kuali.rice.core.api.util.KeyValue;
030import org.kuali.rice.coreservice.impl.namespace.NamespaceBo;
031import org.kuali.rice.kns.service.KNSServiceLocator;
032import org.kuali.rice.krad.data.KradDataServiceLocator;
033import org.kuali.rice.krad.service.KRADServiceLocator;
034import org.kuali.rice.krad.uif.control.UifKeyValuesFinderBase;
035import org.kuali.rice.krad.uif.view.ViewModel;
036
037/**
038 * Helper class that returns all namespaces that have contexts associated w/ them.
039 */
040public class AgendaNamespaceValuesFinder extends UifKeyValuesFinderBase {
041
042    @Override
043    public List<KeyValue> getKeyValues(ViewModel model) {
044        List<KeyValue> keyValues = new ArrayList<KeyValue>();
045
046        // TODO: this is not efficient -- do a smart 'select distinct' and make sure we have a good index!
047
048        QueryByCriteria contextCrit = QueryByCriteria.Builder.create().build();
049        QueryResults<ContextBo> contexts = KRADServiceLocator.getDataObjectService().findMatching(ContextBo.class, contextCrit);
050
051        QueryResults<NamespaceBo> namespaceBos = KradDataServiceLocator.getDataObjectService().findMatching(NamespaceBo.class,
052                QueryByCriteria.Builder.create().build());
053        Map<String, String> namespaceCodeToName = new HashMap<String, String>();
054        if (!namespaceBos.getResults().isEmpty()) {
055            for (NamespaceBo namespaceBo : namespaceBos.getResults()) {
056                namespaceCodeToName.put(namespaceBo.getCode(), namespaceBo.getName());
057            }
058        }
059
060        List<String> namespaceCodes = new ArrayList<String>();
061
062        if (!CollectionUtils.isEmpty(contexts.getResults())) {
063            for (ContextBo context : contexts.getResults()) {
064                if (!namespaceCodes.contains(context.getNamespace())) {
065                    // add if not already there
066                    namespaceCodes.add(context.getNamespace());
067                }
068            }
069        }
070
071        Collections.sort(namespaceCodes);
072
073        for (String namespaceCode : namespaceCodes) {
074            String namespaceName = namespaceCode;
075            if (namespaceCodeToName.containsKey(namespaceCode)) {
076                namespaceName = namespaceCodeToName.get(namespaceCode);
077            }
078            keyValues.add(new ConcreteKeyValue(namespaceCode, namespaceName));
079        }
080
081        return keyValues;
082    }
083}