/**

  * 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.krms.impl.repository;

 import org.apache.commons.collections.CollectionUtils;

 import org.apache.cxf.common.util.StringUtils;

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

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

 import org.kuali.rice.core.impl.namespace.NamespaceBo;

 import org.kuali.rice.krad.service.KRADServiceLocator;

 import org.kuali.rice.krad.uif.control.UifKeyValuesFinderBase;

 import org.kuali.rice.krad.uif.view.ViewModel;

 import org.kuali.rice.krad.web.form.MaintenanceForm;

 import org.kuali.rice.krms.impl.ui.AgendaEditor;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.Collections;

 import java.util.HashMap;

 import java.util.HashSet;

 import java.util.List;

 import java.util.Map;

 import java.util.Set;

 /**

  * Helper class that returns all namespaces that have contexts associated w/ them.

  */

 public class AgendaNamespaceValuesFinder extends UifKeyValuesFinderBase {

     @Override

     public List<KeyValue> getKeyValues(ViewModel model) {

         List<KeyValue> keyValues = new ArrayList<KeyValue>();

         // TODO: this is not efficient -- do a smart 'select distinct' and make sure we have a good index!

         Collection<ContextBo> contexts = KRADServiceLocator.getBusinessObjectService().findAll(ContextBo.class);

         Collection<NamespaceBo> namespaceBos = KRADServiceLocator.getBusinessObjectService().findAll(NamespaceBo.class);

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

         if (!CollectionUtils.isEmpty(namespaceBos)) for (NamespaceBo namespaceBo : namespaceBos) {

             namespaceCodeToName.put(namespaceBo.getCode(), namespaceBo.getName());

         }

         List<String> namespaceCodes = new ArrayList<String>();

         if (!CollectionUtils.isEmpty(contexts)) for (ContextBo context : contexts) {

             if (!namespaceCodes.contains(context.getNamespace())) {

                 // add if not already there

                 namespaceCodes.add(context.getNamespace());

             }

         }

         Collections.sort(namespaceCodes);

         for (String namespaceCode : namespaceCodes) {

             String namespaceName = namespaceCode;

             if (namespaceCodeToName.containsKey(namespaceCode)) { namespaceName = namespaceCodeToName.get(namespaceCode); }

             keyValues.add(new ConcreteKeyValue(namespaceCode, namespaceName));

         }

         return keyValues;

     }

 }