/*

  * Copyright 2005-2007 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.datadictionary.exporter;

 import java.util.Iterator;

 import org.kuali.rice.krad.datadictionary.BusinessObjectEntry;

 import org.kuali.rice.krad.datadictionary.FieldDefinition;

 import org.kuali.rice.krad.datadictionary.LookupDefinition;

 import org.kuali.rice.krad.datadictionary.SortDefinition;

 /**

  * LookupMapBuilder

  *

  *

  */

 public class LookupMapBuilder {

     /**

      * Default constructor

      */

     public LookupMapBuilder() {

     }

     /**

      * @param entry

      * @return ExportMap containing the standard entries for the given entry's LookupDefinition, or null if the given entry has no

      *         lookupDefinition

      */

     public ExportMap buildLookupMap(BusinessObjectEntry entry) {

         ExportMap lookupMap = null;

         if (entry.hasLookupDefinition()) {

             LookupDefinition lookupDefinition = entry.getLookupDefinition();

             lookupMap = new ExportMap("lookup");

             // simple properties

             if (lookupDefinition.getLookupableID() != null) {

                 lookupMap.set("lookupableID", lookupDefinition.getLookupableID());

             }

             lookupMap.set("title", lookupDefinition.getTitle());

             if (lookupDefinition.hasMenubar()) {

                 lookupMap.set("menubar", lookupDefinition.getMenubar());

             }

             if (lookupDefinition.hasResultSetLimit()) {

                 lookupMap.set("resultSetLimit", lookupDefinition.getResultSetLimit().toString());

             }

             // complex properties

             lookupMap.setOptional(buildDefaultSortMap(lookupDefinition));

             lookupMap.set(buildLookupFieldsMap(lookupDefinition));

             lookupMap.set(buildResultFieldsMap(lookupDefinition));

         }

         return lookupMap;

     }

     private ExportMap buildDefaultSortMap(LookupDefinition lookupDefinition) {

         ExportMap defaultSortMap = null;

         if (lookupDefinition.hasDefaultSort()) {

             SortDefinition defaultSortDefinition = lookupDefinition.getDefaultSort();

             defaultSortMap = new ExportMap("defaultSort");

             defaultSortMap.set("sortAscending", Boolean.toString(defaultSortDefinition.getSortAscending()));

             defaultSortMap.set(buildSortAttributesMap(defaultSortDefinition));

         }

         return defaultSortMap;

     }

     private ExportMap buildSortAttributesMap(SortDefinition sortDefinition) {

         ExportMap sortAttributesMap = new ExportMap("sortAttributes");

         for (Iterator i = sortDefinition.getAttributeNames().iterator(); i.hasNext();) {

             String attributeName = (String) i.next();

             ExportMap attributeMap = new ExportMap(attributeName);

             attributeMap.set("attributeName", attributeName);

             sortAttributesMap.set(attributeMap);

         }

         return sortAttributesMap;

     }

     private ExportMap buildLookupFieldsMap(LookupDefinition lookupDefinition) {

         ExportMap lookupFieldsMap = new ExportMap("lookupFields");

         for (Iterator i = lookupDefinition.getLookupFields().iterator(); i.hasNext();) {

             FieldDefinition lookupField = (FieldDefinition) i.next();

             lookupFieldsMap.set(buildLookupFieldMap(lookupField));

         }

         return lookupFieldsMap;

     }

     private ExportMap buildLookupFieldMap(FieldDefinition lookupField) {

         ExportMap lookupFieldMap = new ExportMap(lookupField.getAttributeName());

         lookupFieldMap.set("attributeName", lookupField.getAttributeName());

         lookupFieldMap.set("required", Boolean.toString(lookupField.isRequired()));

         return lookupFieldMap;

     }

     private ExportMap buildResultFieldsMap(LookupDefinition lookupDefinition) {

         ExportMap resultFieldsMap = new ExportMap("resultFields");

         for (Iterator i = lookupDefinition.getResultFields().iterator(); i.hasNext();) {

             FieldDefinition resultField = (FieldDefinition) i.next();

             resultFieldsMap.set(MapperUtils.buildFieldMap(resultField));

         }

         return resultFieldsMap;

     }

 }