/*

  * Copyright 2006-2011 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.kns.lookup;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.rice.core.api.config.property.ConfigurationService;

 import org.kuali.rice.core.api.encryption.EncryptionService;

 import org.kuali.rice.core.api.CoreApiServiceLocator;

 import org.kuali.rice.core.api.search.SearchOperator;

 import org.kuali.rice.core.framework.parameter.ParameterService;

 import org.kuali.rice.core.framework.services.CoreFrameworkServiceLocator;

 import org.kuali.rice.core.util.RiceKeyConstants;

 import org.kuali.rice.core.util.cache.CopiedObject;

 import org.kuali.rice.core.util.type.TypeUtils;

 import org.kuali.rice.core.web.format.DateFormatter;

 import org.kuali.rice.core.web.format.Formatter;

 import org.kuali.rice.kim.bo.Person;

 import org.kuali.rice.kns.document.authorization.BusinessObjectRestrictions;

 import org.kuali.rice.kns.document.authorization.FieldRestriction;

 import org.kuali.rice.kns.service.BusinessObjectAuthorizationService;

 import org.kuali.rice.kns.service.BusinessObjectMetaDataService;

 import org.kuali.rice.kns.service.KNSServiceLocator;

 import org.kuali.rice.kns.service.MaintenanceDocumentDictionaryService;

 import org.kuali.rice.kns.util.FieldUtils;

 import org.kuali.rice.kns.web.comparator.CellComparatorHelper;

 import org.kuali.rice.kns.web.struts.form.LookupForm;

 import org.kuali.rice.kns.web.struts.form.MultipleValueLookupForm;

 import org.kuali.rice.kns.web.ui.Column;

 import org.kuali.rice.kns.web.ui.Field;

 import org.kuali.rice.kns.web.ui.ResultRow;

 import org.kuali.rice.kns.web.ui.Row;

 import org.kuali.rice.krad.bo.BusinessObject;

 import org.kuali.rice.krad.bo.PersistableBusinessObject;

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

 import org.kuali.rice.krad.datadictionary.mask.MaskFormatter;

 import org.kuali.rice.krad.exception.ValidationException;

 import org.kuali.rice.kns.inquiry.Inquirable;

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

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

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

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

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

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

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

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

 import org.kuali.rice.krad.util.GlobalVariables;

 import org.kuali.rice.krad.util.KRADConstants;

 import org.kuali.rice.krad.util.ObjectUtils;

 import org.kuali.rice.krad.util.UrlFactory;

 import java.security.GeneralSecurityException;

 import java.sql.Date;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.HashMap;

 import java.util.HashSet;

 import java.util.Iterator;

 import java.util.List;

 import java.util.Map;

 import java.util.Properties;

 import java.util.Set;

 /**

  * This class declares many of the common spring injected properties, the get/set-ers for them,

  * and some common util methods that require the injected services

  */

 public abstract class AbstractLookupableHelperServiceImpl implements LookupableHelperService {

     protected static final String TITLE_RETURN_URL_PREPENDTEXT_PROPERTY = "title.return.url.value.prependtext";

     protected static final String TITLE_ACTION_URL_PREPENDTEXT_PROPERTY = "title.action.url.value.prependtext";

     protected static final String ACTION_URLS_CHILDREN_SEPARATOR = " | ";

     protected static final String ACTION_URLS_CHILDREN_STARTER = " [";

     protected static final String ACTION_URLS_CHILDREN_END = "]";

     protected static final String ACTION_URLS_SEPARATOR = "  ";

     protected static final String ACTION_URLS_EMPTY = " ";

     protected static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(AbstractLookupableHelperServiceImpl.class);

     protected Class businessObjectClass;

     protected Map parameters;

     protected BusinessObjectDictionaryService businessObjectDictionaryService;

     protected BusinessObjectMetaDataService businessObjectMetaDataService;

     protected DataDictionaryService dataDictionaryService;

     protected PersistenceStructureService persistenceStructureService;

     protected EncryptionService encryptionService;

     protected List<String> readOnlyFieldsList;

     protected String backLocation;

     protected String docFormKey;

     protected Map fieldConversions;

     protected LookupService lookupService;

     protected List<Row> rows;

     protected String referencesToRefresh;

     protected SequenceAccessorService sequenceAccessorService;

     protected BusinessObjectService businessObjectService;

     protected LookupResultsService lookupResultsService;

     protected String docNum;

     protected ConfigurationService configurationService;

     protected ParameterService parameterService;

     protected BusinessObjectAuthorizationService businessObjectAuthorizationService;

     /**

      * @return the docNum

      */

     public String getDocNum() {

         return this.docNum;

     }

     /**

      * @param docNum the docNum to set

      */

     public void setDocNum(String docNum) {

         this.docNum = docNum;

     }

     public AbstractLookupableHelperServiceImpl() {

         rows = null;

     }

     /**

      * This implementation always returns false.

      *

      * @see LookupableHelperService#checkForAdditionalFields(java.util.Map)

      */

     public boolean checkForAdditionalFields(Map fieldValues) {

         return false;

     }

     /**

      * @see LookupableHelperService#getBusinessObjectClass()

      */

     public Class getBusinessObjectClass() {

         return businessObjectClass;

     }

     /**

      * @see LookupableHelperService#setBusinessObjectClass(java.lang.Class)

      */

     public void setBusinessObjectClass(Class businessObjectClass) {

         this.businessObjectClass = businessObjectClass;

         setRows();

     }

     /**

      * @see LookupableHelperService#getParameters()

      */

     public Map getParameters() {

         return parameters;

     }

     /**

      * @see LookupableHelperService#setParameters(java.util.Map)

      */

     public void setParameters(Map parameters) {

         this.parameters = parameters;

     }

     /**

      * Gets the dataDictionaryService attribute.

      *

      * @return Returns the dataDictionaryService.

      */

     public DataDictionaryService getDataDictionaryService() {

         return dataDictionaryService != null ? dataDictionaryService : KRADServiceLocatorWeb.getDataDictionaryService();

     }

     /**

      * Sets the dataDictionaryService attribute value.

      *

      * @param dataDictionaryService The dataDictionaryService to set.

      */

     public void setDataDictionaryService(DataDictionaryService dataDictionaryService) {

         this.dataDictionaryService = dataDictionaryService;

     }

     /**

      * Gets the businessObjectDictionaryService attribute.

      *

      * @return Returns the businessObjectDictionaryService.

      */

     public BusinessObjectDictionaryService getBusinessObjectDictionaryService() {

         return businessObjectDictionaryService != null ? businessObjectDictionaryService : KRADServiceLocatorWeb

                 .getBusinessObjectDictionaryService();

     }

     /**

      * Sets the businessObjectDictionaryService attribute value.

      *

      * @param businessObjectDictionaryService

      *         The businessObjectDictionaryService to set.

      */

     public void setBusinessObjectDictionaryService(BusinessObjectDictionaryService businessObjectDictionaryService) {

         this.businessObjectDictionaryService = businessObjectDictionaryService;

     }

     /**

      * Gets the businessObjectMetaDataService attribute.

      *

      * @return Returns the businessObjectMetaDataService.

      */

     public BusinessObjectMetaDataService getBusinessObjectMetaDataService() {

         return businessObjectMetaDataService != null ? businessObjectMetaDataService : KNSServiceLocator

                 .getBusinessObjectMetaDataService();

     }

     /**

      * Sets the businessObjectMetaDataService attribute value.

      *

      * @param businessObjectMetaDataService The businessObjectMetaDataService to set.

      */

     public void setBusinessObjectMetaDataService(BusinessObjectMetaDataService businessObjectMetaDataService) {

         this.businessObjectMetaDataService = businessObjectMetaDataService;

     }

     /**

      * Gets the persistenceStructureService attribute.

      *

      * @return Returns the persistenceStructureService.

      */

     protected PersistenceStructureService getPersistenceStructureService() {

         return persistenceStructureService != null ? persistenceStructureService : KRADServiceLocator

                 .getPersistenceStructureService();

     }

     /**

      * Sets the persistenceStructureService attribute value.

      *

      * @param persistenceStructureService The persistenceStructureService to set.

      */

     public void setPersistenceStructureService(PersistenceStructureService persistenceStructureService) {

         this.persistenceStructureService = persistenceStructureService;

     }

     /**

      * Gets the encryptionService attribute.

      *

      * @return Returns the encryptionService.

      */

     protected EncryptionService getEncryptionService() {

         return encryptionService != null ? encryptionService : CoreApiServiceLocator.getEncryptionService();

     }

     /**

      * Sets the encryptionService attribute value.

      *

      * @param encryptionService The encryptionService to set.

      */

     public void setEncryptionService(EncryptionService encryptionService) {

         this.encryptionService = encryptionService;

     }

     protected MaintenanceDocumentDictionaryService maintenanceDocumentDictionaryService;

     public MaintenanceDocumentDictionaryService getMaintenanceDocumentDictionaryService() {

         if (maintenanceDocumentDictionaryService == null) {

             maintenanceDocumentDictionaryService = KNSServiceLocator.getMaintenanceDocumentDictionaryService();

         }

         return maintenanceDocumentDictionaryService;

     }

     public BusinessObjectAuthorizationService getBusinessObjectAuthorizationService() {

         if (businessObjectAuthorizationService == null) {

             businessObjectAuthorizationService = KNSServiceLocator.getBusinessObjectAuthorizationService();

         }

         return businessObjectAuthorizationService;

     }

     protected Inquirable kualiInquirable;

     public Inquirable getKualiInquirable() {

         if (kualiInquirable == null) {

             kualiInquirable = KNSServiceLocator.getKualiInquirable();

         }

         return kualiInquirable;

     }

     public void setMaintenanceDocumentDictionaryService(MaintenanceDocumentDictionaryService maintenanceDocumentDictionaryService) {

         this.maintenanceDocumentDictionaryService = maintenanceDocumentDictionaryService;

     }

     public void setKualiInquirable(Inquirable kualiInquirable) {

         this.kualiInquirable = kualiInquirable;

     }

     public ConfigurationService getKualiConfigurationService() {

         if (configurationService == null) {

             configurationService = KRADServiceLocator.getKualiConfigurationService();

         }

         return configurationService;

     }

     public void setParameterService(ConfigurationService configurationService) {

         this.configurationService = configurationService;

     }

     public ParameterService getParameterService() {

         if (parameterService == null) {

             parameterService = CoreFrameworkServiceLocator.getParameterService();

         }

         return parameterService;

     }

     public void setParameterService(ParameterService parameterService) {

         this.parameterService = parameterService;

     }

     /**

      * Determines if underlying lookup bo has associated maintenance document that allows new or copy maintenance actions.

      *

      * @return true if bo has maint doc that allows new or copy actions

      */

     public boolean allowsMaintenanceNewOrCopyAction() {

         boolean allowsNewOrCopy = false;

         String maintDocTypeName = getMaintenanceDocumentTypeName();

         Class boClass = this.getBusinessObjectClass();

         if (StringUtils.isNotBlank(maintDocTypeName)) {

             allowsNewOrCopy = getBusinessObjectAuthorizationService().canCreate(boClass, GlobalVariables.getUserSession().getPerson(), maintDocTypeName);

         }

         return allowsNewOrCopy;

     }

     protected boolean allowsMaintenanceEditAction(BusinessObject businessObject) {

         boolean allowsEdit = false;

         String maintDocTypeName = getMaintenanceDocumentTypeName();

         if (StringUtils.isNotBlank(maintDocTypeName)) {

             allowsEdit = getBusinessObjectAuthorizationService().canMaintain(businessObject, GlobalVariables.getUserSession().getPerson(), maintDocTypeName);

         }

         return allowsEdit;

     }

     /**

      * Build a maintenance url.

      *

      * @param bo           - business object representing the record for maint.

      * @param methodToCall - maintenance action

      * @return

      */

     final public String getMaintenanceUrl(BusinessObject businessObject, HtmlData htmlData, List pkNames, BusinessObjectRestrictions businessObjectRestrictions) {

         htmlData.setTitle(getActionUrlTitleText(businessObject, htmlData.getDisplayText(), pkNames, businessObjectRestrictions));

         return htmlData.constructCompleteHtmlTag();

     }

     /**

      * This method is called by performLookup method to generate action urls.

      * It calls the method getCustomActionUrls to get html data, calls getMaintenanceUrl to get the actual html tag,

      * and returns a formatted/concatenated string of action urls.

      *

      * @see LookupableHelperService#getActionUrls(org.kuali.rice.krad.bo.BusinessObject)

      */

     final public String getActionUrls(BusinessObject businessObject, List pkNames, BusinessObjectRestrictions businessObjectRestrictions) {

         StringBuffer actions = new StringBuffer();

         List<HtmlData> htmlDataList = getCustomActionUrls(businessObject, pkNames);

         for (HtmlData htmlData : htmlDataList) {

             actions.append(getMaintenanceUrl(businessObject, htmlData, pkNames, businessObjectRestrictions));

             if (htmlData.getChildUrlDataList() != null) {

                 if (htmlData.getChildUrlDataList().size() > 0) {

                     actions.append(ACTION_URLS_CHILDREN_STARTER);

                     for (HtmlData childURLData : htmlData.getChildUrlDataList()) {

                         actions.append(getMaintenanceUrl(businessObject, childURLData, pkNames, businessObjectRestrictions));

                         actions.append(ACTION_URLS_CHILDREN_SEPARATOR);

                     }

                     if (actions.toString().endsWith(ACTION_URLS_CHILDREN_SEPARATOR))

                         actions.delete(actions.length() - ACTION_URLS_CHILDREN_SEPARATOR.length(), actions.length());

                     actions.append(ACTION_URLS_CHILDREN_END);

                 }

             }

             actions.append(ACTION_URLS_SEPARATOR);

         }

         if (actions.toString().endsWith(ACTION_URLS_SEPARATOR))

             actions.delete(actions.length() - ACTION_URLS_SEPARATOR.length(), actions.length());

         return actions.toString();

     }

     /**

      * Child classes should override this method if they want to return some other action urls.

      *

      * @returns This default implementation returns links to edit and copy maintenance action for

      * the current maintenance record if the business object class has an associated maintenance document.

      * Also checks value of allowsNewOrCopy in maintenance document xml before rendering the copy link.

      * @see LookupableHelperService#getCustomActionUrls(org.kuali.rice.krad.bo.BusinessObject, java.util.List, java.util.List pkNames)

      */

     public List<HtmlData> getCustomActionUrls(BusinessObject businessObject, List pkNames) {

         List<HtmlData> htmlDataList = new ArrayList<HtmlData>();

         if (allowsMaintenanceEditAction(businessObject)) {

             htmlDataList.add(getUrlData(businessObject, KRADConstants.MAINTENANCE_EDIT_METHOD_TO_CALL, pkNames));

         }

         if (allowsMaintenanceNewOrCopyAction()) {

             htmlDataList.add(getUrlData(businessObject, KRADConstants.MAINTENANCE_COPY_METHOD_TO_CALL, pkNames));

         }

         if (allowsMaintenanceDeleteAction(businessObject)) {

             htmlDataList.add(getUrlData(businessObject, KRADConstants.MAINTENANCE_DELETE_METHOD_TO_CALL, pkNames));

         }

         return htmlDataList;

     }

     /**

      * This method ...

      * for KULRice 3070

      *

      * @return

      */

     protected boolean allowsMaintenanceDeleteAction(BusinessObject businessObject) {

         boolean allowsMaintain = false;

         boolean allowsDelete = false;

         String maintDocTypeName = getMaintenanceDocumentTypeName();

         if (StringUtils.isNotBlank(maintDocTypeName)) {

             allowsMaintain = getBusinessObjectAuthorizationService().canMaintain(businessObject, GlobalVariables.getUserSession().getPerson(), maintDocTypeName);

         }

         allowsDelete = KNSServiceLocator.getMaintenanceDocumentDictionaryService().getAllowsRecordDeletion(businessObjectClass);

         return allowsDelete && allowsMaintain;

     }

     /**

      * This method constructs an AnchorHtmlData.

      * This method can be overriden by child classes if they want to construct the html data in a different way.

      * Foe example, if they want different type of html tag, like input/image.

      *

      * @param businessObject

      * @param methodToCall

      * @param displayText

      * @param pkNames

      * @return

      */

     protected HtmlData.AnchorHtmlData getUrlData(BusinessObject businessObject, String methodToCall, String displayText, List pkNames) {

         String href = getActionUrlHref(businessObject, methodToCall, pkNames);

         //String title = StringUtils.isBlank(href)?"":getActionUrlTitleText(businessObject, displayText, pkNames);

         HtmlData.AnchorHtmlData anchorHtmlData = new HtmlData.AnchorHtmlData(href, methodToCall, displayText);

         return anchorHtmlData;

     }

     /**

      * This method calls its overloaded method with displayText as methodToCall

      *

      * @param businessObject

      * @param methodToCall

      * @param pkNames

      * @return

      */

     protected HtmlData.AnchorHtmlData getUrlData(BusinessObject businessObject, String methodToCall, List pkNames) {

         return getUrlData(businessObject, methodToCall, methodToCall, pkNames);

     }

     /**

      * A utility method that returns an empty list of action urls.

      *

      * @return

      */

     protected List<HtmlData> getEmptyActionUrls() {

         return new ArrayList<HtmlData>();

     }

     protected HtmlData getEmptyAnchorHtmlData() {

         return new HtmlData.AnchorHtmlData();

     }

     /**

      * This method generates and returns href for the given parameters.

      * This method can be overridden by child classes if they have to generate href differently.

      * For example, refer to IntendedIncumbentLookupableHelperServiceImpl

      *

      * @param businessObject

      * @param methodToCall

      * @param pkNames

      * @return

      */

     protected String getActionUrlHref(BusinessObject businessObject, String methodToCall, List pkNames) {

         Properties parameters = new Properties();

         parameters.put(KRADConstants.DISPATCH_REQUEST_PARAMETER, methodToCall);

         // TODO: why is this not using the businessObject parmeter's class?

         parameters.put(KRADConstants.BUSINESS_OBJECT_CLASS_ATTRIBUTE, businessObject.getClass().getName());

         parameters.putAll(getParametersFromPrimaryKey(businessObject, pkNames));

         if (StringUtils.isNotBlank(getReturnLocation())) {

             parameters.put(KRADConstants.RETURN_LOCATION_PARAMETER, getReturnLocation());

         }

         return UrlFactory.parameterizeUrl(KRADConstants.MAINTENANCE_ACTION, parameters);

     }

     protected Properties getParametersFromPrimaryKey(BusinessObject businessObject, List pkNames) {

         Properties parameters = new Properties();

         for (Iterator iter = pkNames.iterator(); iter.hasNext();) {

             String fieldNm = (String) iter.next();

             Object fieldVal = ObjectUtils.getPropertyValue(businessObject, fieldNm);

             if (fieldVal == null) {

                 fieldVal = KRADConstants.EMPTY_STRING;

             }

             if (fieldVal instanceof java.sql.Date) {

                 String formattedString = "";

                 if (Formatter.findFormatter(fieldVal.getClass()) != null) {

                     Formatter formatter = Formatter.getFormatter(fieldVal.getClass());

                     formattedString = (String) formatter.format(fieldVal);

                     fieldVal = formattedString;

                 }

             }

             // Encrypt value if it is a secure field

             if (getBusinessObjectAuthorizationService().attributeValueNeedsToBeEncryptedOnFormsAndLinks(businessObjectClass, fieldNm)) {

                 try {

                     fieldVal = getEncryptionService().encrypt(fieldVal) + EncryptionService.ENCRYPTION_POST_PREFIX;

                 } catch (GeneralSecurityException e) {

                     LOG.error("Exception while trying to encrypted value for inquiry framework.", e);

                     throw new RuntimeException(e);

                 }

             }

             parameters.put(fieldNm, fieldVal.toString());

         }

         return parameters;

     }

     /**

      * This method generates and returns title text for action urls.

      * Child classes can override this if they want to generate the title text differently.

      * For example, refer to BatchJobStatusLookupableHelperServiceImpl

      *

      * @param businessObject

      * @param displayText

      * @param pkNames

      * @return

      */

     protected String getActionUrlTitleText(BusinessObject businessObject, String displayText, List pkNames, BusinessObjectRestrictions businessObjectRestrictions) {

         String prependTitleText = displayText + " "

                 + getDataDictionaryService().getDataDictionary().getBusinessObjectEntry(getBusinessObjectClass().getName()).getObjectLabel()

                 + " "

                 + this.getKualiConfigurationService().getPropertyString(TITLE_ACTION_URL_PREPENDTEXT_PROPERTY);

         return HtmlData.getTitleText(prependTitleText, businessObject, pkNames, businessObjectRestrictions);

     }

     /**

      * Returns the maintenance document type associated with the business object class or null if one does not

      * exist.

      *

      * @return String representing the maintenance document type name

      */

     protected String getMaintenanceDocumentTypeName() {

         MaintenanceDocumentDictionaryService dd = getMaintenanceDocumentDictionaryService();

         String maintDocTypeName = dd.getDocumentTypeName(getBusinessObjectClass());

         return maintDocTypeName;

     }

     /**

      * Gets the readOnlyFieldsList attribute.

      *

      * @return Returns the readOnlyFieldsList.

      */

     public List<String> getReadOnlyFieldsList() {

         return readOnlyFieldsList;

     }

     /**

      * Sets the readOnlyFieldsList attribute value.

      *

      * @param readOnlyFieldsList The readOnlyFieldsList to set.

      */

     public void setReadOnlyFieldsList(List<String> readOnlyFieldsList) {

         this.readOnlyFieldsList = readOnlyFieldsList;

     }

     protected HashMap<String, Boolean> noLookupResultFieldInquiryCache = new HashMap<String, Boolean>();

     protected HashMap<Class, Class> inquirableClassCache = new HashMap<Class, Class>();

     protected HashMap<String, Boolean> forceLookupResultFieldInquiryCache = new HashMap<String, Boolean>();

     /**

      * Returns the inquiry url for a field if one exist.

      *

      * @param bo           the business object instance to build the urls for

      * @param propertyName the property which links to an inquirable

      * @return String url to inquiry

      */

     public HtmlData getInquiryUrl(BusinessObject bo, String propertyName) {

         HtmlData inquiryUrl = new HtmlData.AnchorHtmlData();

         String cacheKey = bo.getClass().getName() + "." + propertyName;

         Boolean noLookupResultFieldInquiry = noLookupResultFieldInquiryCache.get(cacheKey);

         if (noLookupResultFieldInquiry == null) {

             noLookupResultFieldInquiry = getBusinessObjectDictionaryService().noLookupResultFieldInquiry(bo.getClass(), propertyName);

             if (noLookupResultFieldInquiry == null) {

                 noLookupResultFieldInquiry = Boolean.TRUE;

             }

             noLookupResultFieldInquiryCache.put(cacheKey, noLookupResultFieldInquiry);

         }

         if (!noLookupResultFieldInquiry) {

             Class<Inquirable> inquirableClass = inquirableClassCache.get(bo.getClass());

             if (!inquirableClassCache.containsKey(bo.getClass())) {

                 inquirableClass = getBusinessObjectDictionaryService().getInquirableClass(bo.getClass());

                 inquirableClassCache.put(bo.getClass(), inquirableClass);

             }

             Inquirable inq = null;

             try {

                 if (inquirableClass != null) {

                     inq = inquirableClass.newInstance();

                 } else {

                     inq = getKualiInquirable();

                     if (LOG.isDebugEnabled()) {

                         LOG.debug("Default Inquirable Class: " + inq.getClass());

                     }

                 }

                 Boolean forceLookupResultFieldInquiry = forceLookupResultFieldInquiryCache.get(cacheKey);

                 if (forceLookupResultFieldInquiry == null) {

                     forceLookupResultFieldInquiry = getBusinessObjectDictionaryService().forceLookupResultFieldInquiry(bo.getClass(), propertyName);

                     if (forceLookupResultFieldInquiry == null) {

                         forceLookupResultFieldInquiry = Boolean.FALSE;

                     }

                     forceLookupResultFieldInquiryCache.put(cacheKey, forceLookupResultFieldInquiry);

                 }

                 inquiryUrl = inq.getInquiryUrl(bo, propertyName, forceLookupResultFieldInquiry);

             } catch (Exception ex) {

                 LOG.error("unable to create inquirable to get inquiry URL", ex);

             }

         }

         return inquiryUrl;

     }

     protected CopiedObject<ArrayList<Column>> resultColumns = null;

     /**

      * Constructs the list of columns for the search results. All properties for the column objects come from the DataDictionary.

      */

     public List<Column> getColumns() {

         if (resultColumns == null) {

             ArrayList<Column> columns = new ArrayList<Column>();

             for (String attributeName : getBusinessObjectDictionaryService().getLookupResultFieldNames(getBusinessObjectClass())) {

                 Column column = new Column();

                 column.setPropertyName(attributeName);

                 String columnTitle = getDataDictionaryService().getAttributeLabel(getBusinessObjectClass(), attributeName);

                 Boolean useShortLabel = getBusinessObjectDictionaryService().getLookupResultFieldUseShortLabel(businessObjectClass, attributeName);

                 if (useShortLabel != null && useShortLabel) {

                     columnTitle = getDataDictionaryService().getAttributeShortLabel(getBusinessObjectClass(), attributeName);

                 }

                 if (StringUtils.isBlank(columnTitle)) {

                     columnTitle = getDataDictionaryService().getCollectionLabel(getBusinessObjectClass(), attributeName);

                 }

                 column.setColumnTitle(columnTitle);

                 column.setMaxLength(getColumnMaxLength(attributeName));

                 if (!businessObjectClass.isInterface()) {

                     try {

                         column.setFormatter(ObjectUtils.getFormatterWithDataDictionary(getBusinessObjectClass()

                                 .newInstance(), attributeName));

                     } catch (InstantiationException e) {

                         LOG.info("Unable to get new instance of business object class: " + businessObjectClass.getName(), e);

                         // just swallow exception and leave formatter blank

                     } catch (IllegalAccessException e) {

                         LOG.info("Unable to get new instance of business object class: " + businessObjectClass.getName(), e);

                         // just swallow exception and leave formatter blank

                     }

                 }

                 String alternateDisplayPropertyName = getBusinessObjectDictionaryService()

                         .getLookupFieldAlternateDisplayAttributeName(getBusinessObjectClass(), attributeName);

                 if (StringUtils.isNotBlank(alternateDisplayPropertyName)) {

                     column.setAlternateDisplayPropertyName(alternateDisplayPropertyName);

                 }

                 String additionalDisplayPropertyName = getBusinessObjectDictionaryService()

                         .getLookupFieldAdditionalDisplayAttributeName(getBusinessObjectClass(), attributeName);

                 if (StringUtils.isNotBlank(additionalDisplayPropertyName)) {

                     column.setAdditionalDisplayPropertyName(additionalDisplayPropertyName);

                 } else {

                     boolean translateCodes = getBusinessObjectDictionaryService().tranlateCodesInLookup(getBusinessObjectClass());

                     if (translateCodes) {

                         FieldUtils.setAdditionalDisplayPropertyForCodes(getBusinessObjectClass(), attributeName, column);

                     }

                 }

                 column.setTotal(getBusinessObjectDictionaryService().getLookupResultFieldTotal(getBusinessObjectClass(), attributeName));

                 columns.add(column);

             }

             resultColumns = ObjectUtils.deepCopyForCaching(columns);

             return columns;

         }

         return resultColumns.getContent();

     }

     protected static Integer RESULTS_DEFAULT_MAX_COLUMN_LENGTH = null;

     protected int getColumnMaxLength(String attributeName) {

         Integer fieldDefinedMaxLength = getBusinessObjectDictionaryService().getLookupResultFieldMaxLength(getBusinessObjectClass(), attributeName);

         if (fieldDefinedMaxLength == null) {

             if (RESULTS_DEFAULT_MAX_COLUMN_LENGTH == null) {

                 try {

                     RESULTS_DEFAULT_MAX_COLUMN_LENGTH = Integer.valueOf(getParameterService().getParameterValueAsString(

                             KRADConstants.KRAD_NAMESPACE, KRADConstants.DetailTypes.LOOKUP_PARM_DETAIL_TYPE, KRADConstants.RESULTS_DEFAULT_MAX_COLUMN_LENGTH));

                 } catch (NumberFormatException ex) {

                     LOG.error("Lookup field max length parameter not found and unable to parse default set in system parameters (RESULTS_DEFAULT_MAX_COLUMN_LENGTH).");

                 }

             }

             return RESULTS_DEFAULT_MAX_COLUMN_LENGTH.intValue();

         }

         return fieldDefinedMaxLength.intValue();

     }

     /**

      * @return Returns the backLocation.

      */

     public String getBackLocation() {

         return backLocation;

     }

     /**

      * @param backLocation The backLocation to set.

      */

     public void setBackLocation(String backLocation) {

         this.backLocation = backLocation;

     }

     /**

      * @see LookupableHelperService#getReturnLocation()

      */

     public String getReturnLocation() {

         return backLocation;

     }

     /**

      * This method is for lookupable implementations

      *

      * @see LookupableHelperService#getReturnUrl(org.kuali.rice.krad.bo.BusinessObject, java.util.Map, java.lang.String, java.util.List)

      */

     final public HtmlData getReturnUrl(BusinessObject businessObject, Map fieldConversions, String lookupImpl, List returnKeys, BusinessObjectRestrictions businessObjectRestrictions) {

         String href = getReturnHref(businessObject, fieldConversions, lookupImpl, returnKeys);

         String returnUrlAnchorLabel =

                 this.getKualiConfigurationService().getPropertyString(TITLE_RETURN_URL_PREPENDTEXT_PROPERTY);

         HtmlData.AnchorHtmlData anchor = new HtmlData.AnchorHtmlData(href, HtmlData.getTitleText(returnUrlAnchorLabel, businessObject, returnKeys, businessObjectRestrictions));

         anchor.setDisplayText(returnUrlAnchorLabel);

         return anchor;

     }

     /**

      * This method is for lookupable implementations

      *

      * @param businessObject

      * @param fieldConversions

      * @param lookupImpl

      * @param returnKeys

      * @return

      */

     final protected String getReturnHref(BusinessObject businessObject, Map fieldConversions, String lookupImpl, List returnKeys) {

         if (StringUtils.isNotBlank(backLocation)) {

             return UrlFactory.parameterizeUrl(backLocation, getParameters(

                     businessObject, fieldConversions, lookupImpl, returnKeys));

         }

         return "";

     }

     /**

      * @see LookupableHelperService#getReturnUrl(org.kuali.core.bo.BusinessObject, java.util.Map, java.lang.String)

      */

     public HtmlData getReturnUrl(BusinessObject businessObject, LookupForm lookupForm, List returnKeys, BusinessObjectRestrictions businessObjectRestrictions) {

         Properties parameters = getParameters(

                 businessObject, lookupForm.getFieldConversions(), lookupForm.getLookupableImplServiceName(), returnKeys);

         if (StringUtils.isEmpty(lookupForm.getHtmlDataType()) || HtmlData.ANCHOR_HTML_DATA_TYPE.equals(lookupForm.getHtmlDataType()))

             return getReturnAnchorHtmlData(businessObject, parameters, lookupForm, returnKeys, businessObjectRestrictions);

         else

             return getReturnInputHtmlData(businessObject, parameters, lookupForm, returnKeys, businessObjectRestrictions);

     }

     protected HtmlData getReturnInputHtmlData(BusinessObject businessObject, Properties parameters, LookupForm lookupForm, List returnKeys, BusinessObjectRestrictions businessObjectRestrictions) {

         String returnUrlAnchorLabel =

                 this.getKualiConfigurationService().getPropertyString(TITLE_RETURN_URL_PREPENDTEXT_PROPERTY);

         String name = KRADConstants.MULTIPLE_VALUE_LOOKUP_SELECTED_OBJ_ID_PARAM_PREFIX + lookupForm.getLookupObjectId();

         HtmlData.InputHtmlData input = new HtmlData.InputHtmlData(name, HtmlData.InputHtmlData.CHECKBOX_INPUT_TYPE);

         input.setTitle(HtmlData.getTitleText(returnUrlAnchorLabel, businessObject, returnKeys, businessObjectRestrictions));

         if (((MultipleValueLookupForm) lookupForm).getCompositeObjectIdMap() == null ||

                 ((MultipleValueLookupForm) lookupForm).getCompositeObjectIdMap().get(

                         ((PersistableBusinessObject) businessObject).getObjectId()) == null) {

             input.setChecked("");

         } else {

             input.setChecked(HtmlData.InputHtmlData.CHECKBOX_CHECKED_VALUE);

         }

         input.setValue(HtmlData.InputHtmlData.CHECKBOX_CHECKED_VALUE);

         return input;

     }

     protected HtmlData getReturnAnchorHtmlData(BusinessObject businessObject, Properties parameters, LookupForm lookupForm, List returnKeys, BusinessObjectRestrictions businessObjectRestrictions) {

         String returnUrlAnchorLabel =

                 this.getKualiConfigurationService().getPropertyString(TITLE_RETURN_URL_PREPENDTEXT_PROPERTY);

         HtmlData.AnchorHtmlData anchor = new HtmlData.AnchorHtmlData(

                 getReturnHref(parameters, lookupForm, returnKeys),

                 HtmlData.getTitleText(returnUrlAnchorLabel, businessObject, returnKeys, businessObjectRestrictions));

         anchor.setDisplayText(returnUrlAnchorLabel);

         return anchor;

     }

     protected String getReturnHref(Properties parameters, LookupForm lookupForm, List returnKeys) {

         if (StringUtils.isNotBlank(backLocation)) {

             String href = UrlFactory.parameterizeUrl(backLocation, parameters);

             return addToReturnHref(href, lookupForm);

         }

         return "";

     }

     protected String addToReturnHref(String href, LookupForm lookupForm) {

         String lookupAnchor = "";

         if (StringUtils.isNotEmpty(lookupForm.getAnchor())) {

             lookupAnchor = lookupForm.getAnchor();

         }

         href += "&anchor=" + lookupAnchor + "&docNum=" + (StringUtils.isEmpty(getDocNum()) ? "" : getDocNum());

         return href;

     }

     protected Properties getParameters(BusinessObject bo, Map fieldConversions, String lookupImpl, List returnKeys) {

         Properties parameters = new Properties();

         parameters.put(KRADConstants.DISPATCH_REQUEST_PARAMETER, KRADConstants.RETURN_METHOD_TO_CALL);

         if (getDocFormKey() != null) {

             parameters.put(KRADConstants.DOC_FORM_KEY, getDocFormKey());

         }

         if (lookupImpl != null) {

             parameters.put(KRADConstants.REFRESH_CALLER, lookupImpl);

         }

         if (getDocNum() != null) {

             parameters.put(KRADConstants.DOC_NUM, getDocNum());

         }

         if (getReferencesToRefresh() != null) {

             parameters.put(KRADConstants.REFERENCES_TO_REFRESH, getReferencesToRefresh());

         }

         Iterator returnKeysIt = getReturnKeys().iterator();

         while (returnKeysIt.hasNext()) {

             String fieldNm = (String) returnKeysIt.next();

             Object fieldVal = ObjectUtils.getPropertyValue(bo, fieldNm);

             if (fieldVal == null) {

                 fieldVal = KRADConstants.EMPTY_STRING;

             }

             if (getBusinessObjectAuthorizationService().attributeValueNeedsToBeEncryptedOnFormsAndLinks(businessObjectClass, fieldNm)) {

                 try {

                     fieldVal = getEncryptionService().encrypt(fieldVal) + EncryptionService.ENCRYPTION_POST_PREFIX;

                 } catch (GeneralSecurityException e) {

                     LOG.error("Exception while trying to encrypted value for inquiry framework.", e);

                     throw new RuntimeException(e);

                 }

             }

             //need to format date in url

             if (fieldVal instanceof Date) {

                 DateFormatter dateFormatter = new DateFormatter();

                 fieldVal = dateFormatter.format(fieldVal);

             }

             if (fieldConversions.containsKey(fieldNm)) {

                 fieldNm = (String) fieldConversions.get(fieldNm);

             }

             parameters.put(fieldNm, fieldVal.toString());

         }

         return parameters;

     }

     /**

      * @return a List of the names of fields which are marked in data dictionary as return fields.

      */

     public List getReturnKeys() {

         List returnKeys;

         if (fieldConversions != null && !fieldConversions.isEmpty()) {

             returnKeys = new ArrayList(fieldConversions.keySet());

         } else {

             returnKeys = getBusinessObjectMetaDataService().listPrimaryKeyFieldNames(getBusinessObjectClass());

         }

         return returnKeys;

     }

     /**

      * Gets the docFormKey attribute.

      *

      * @return Returns the docFormKey.

      */

     public String getDocFormKey() {

         return docFormKey;

     }

     /**

      * Sets the docFormKey attribute value.

      *

      * @param docFormKey The docFormKey to set.

      */

     public void setDocFormKey(String docFormKey) {

         this.docFormKey = docFormKey;

     }

     /**

      * @see org.kuali.core.lookup.LookupableHelperService#setFieldConversions(java.util.Map)

      */

     public void setFieldConversions(Map fieldConversions) {

         this.fieldConversions = fieldConversions;

     }

     /**

      * Gets the lookupService attribute.

      *

      * @return Returns the lookupService.

      */

     protected LookupService getLookupService() {

         return lookupService != null ? lookupService : KRADServiceLocatorWeb.getLookupService();

     }

     /**

      * Sets the lookupService attribute value.

      *

      * @param lookupService The lookupService to set.

      */

     public void setLookupService(LookupService lookupService) {

         this.lookupService = lookupService;

     }

     /**

      * Uses the DD to determine which is the default sort order.

      *

      * @return property names that will be used to sort on by default

      */

     public List getDefaultSortColumns() {

         return getBusinessObjectDictionaryService().getLookupDefaultSortFieldNames(getBusinessObjectClass());

     }

     /**

      * Checks that any required search fields have value.

      *

      * @see org.kuali.core.lookup.LookupableHelperService#validateSearchParameters(java.util.Map)

      */

     public void validateSearchParameters(Map fieldValues) {

         List<String> lookupFieldAttributeList = null;

         if (getBusinessObjectMetaDataService().isLookupable(getBusinessObjectClass())) {

             lookupFieldAttributeList = getBusinessObjectMetaDataService().getLookupableFieldNames(getBusinessObjectClass());

         }

         if (lookupFieldAttributeList == null) {

             throw new RuntimeException("Lookup not defined for business object " + getBusinessObjectClass());

         }

         for (Iterator iter = lookupFieldAttributeList.iterator(); iter.hasNext();) {

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

             if (fieldValues.containsKey(attributeName)) {

                 // get label of attribute for message

                 String attributeLabel = getDataDictionaryService().getAttributeLabel(getBusinessObjectClass(), attributeName);

                 String attributeValue = (String) fieldValues.get(attributeName);

                 // check for required if field does not have value

                 if (StringUtils.isBlank(attributeValue)) {

                     if ((getBusinessObjectDictionaryService().getLookupAttributeRequired(getBusinessObjectClass(), attributeName)).booleanValue()) {

                         GlobalVariables.getMessageMap().putError(attributeName, RiceKeyConstants.ERROR_REQUIRED, attributeLabel);

                     }

                 }

                 validateSearchParameterWildcardAndOperators(attributeName, attributeValue);

             }

         }

         if (GlobalVariables.getMessageMap().hasErrors()) {

             throw new ValidationException("errors in search criteria");

         }

     }

     protected void validateSearchParameterWildcardAndOperators(String attributeName, String attributeValue) {

         if (StringUtils.isBlank(attributeValue))

             return;

         // make sure a wildcard/operator is in the value

         boolean found = false;

                 for (SearchOperator op : SearchOperator.QUERY_CHARACTERS) {

                         String queryCharacter = op.op();

             if (attributeValue.contains(queryCharacter)) {

                 found = true;

             }

         }

         if (!found)

             return;

         String attributeLabel = getDataDictionaryService().getAttributeLabel(getBusinessObjectClass(), attributeName);

         if (getBusinessObjectDictionaryService().isLookupFieldTreatWildcardsAndOperatorsAsLiteral(businessObjectClass, attributeName)) {

             BusinessObject example = null;

             try {

                 example = (BusinessObject) businessObjectClass.newInstance();

             } catch (Exception e) {

                 LOG.error("Exception caught instantiating " + businessObjectClass.getName(), e);

                 throw new RuntimeException("Cannot instantiate " + businessObjectClass.getName(), e);

             }

             Class propertyType = ObjectUtils.getPropertyType(example, attributeName, getPersistenceStructureService());

             if (TypeUtils.isIntegralClass(propertyType) || TypeUtils.isDecimalClass(propertyType) || TypeUtils.isTemporalClass(propertyType)) {

                 GlobalVariables.getMessageMap().putError(attributeName, RiceKeyConstants.ERROR_WILDCARDS_AND_OPERATORS_NOT_ALLOWED_ON_FIELD, attributeLabel);

             }

             if (TypeUtils.isStringClass(propertyType)) {

                 GlobalVariables.getMessageMap().putInfo(attributeName, RiceKeyConstants.INFO_WILDCARDS_AND_OPERATORS_TREATED_LITERALLY, attributeLabel);

             }

         } else {

             if (getBusinessObjectAuthorizationService().attributeValueNeedsToBeEncryptedOnFormsAndLinks(businessObjectClass, attributeName)) {

                 if (!attributeValue.endsWith(EncryptionService.ENCRYPTION_POST_PREFIX)) {

                     // encrypted values usually come from the DB, so we don't need to filter for wildcards

                     // wildcards are not allowed on restricted fields, because they are typically encrypted, and wildcard searches cannot be performed without

                     // decrypting every row, which is currently not supported by KNS

                     GlobalVariables.getMessageMap().putError(attributeName, RiceKeyConstants.ERROR_SECURE_FIELD, attributeLabel);

                 }

             }

         }

     }

     /**

      * Constructs the list of rows for the search fields. All properties for the field objects come

      * from the DataDictionary. To be called by setBusinessObject

      */

     protected void setRows() {

         List<String> lookupFieldAttributeList = null;

         if (getBusinessObjectMetaDataService().isLookupable(getBusinessObjectClass())) {

             lookupFieldAttributeList = getBusinessObjectMetaDataService().getLookupableFieldNames(

                     getBusinessObjectClass());

         }

         if (lookupFieldAttributeList == null) {

             throw new RuntimeException("Lookup not defined for business object " + getBusinessObjectClass());

         }

         // construct field object for each search attribute

         List fields = new ArrayList();

         try {

             fields = FieldUtils.createAndPopulateFieldsForLookup(lookupFieldAttributeList, getReadOnlyFieldsList(),

                     getBusinessObjectClass());

         } catch (InstantiationException e) {

             throw new RuntimeException("Unable to create instance of business object class" + e.getMessage());

         } catch (IllegalAccessException e) {

             throw new RuntimeException("Unable to create instance of business object class" + e.getMessage());

         }

         int numCols = getBusinessObjectDictionaryService().getLookupNumberOfColumns(this.getBusinessObjectClass());

         this.rows = FieldUtils.wrapFields(fields, numCols);

     }

     public List<Row> getRows() {

         return rows;

     }

     public abstract List<? extends BusinessObject> getSearchResults(Map<String, String> fieldValues);

     /**

      * This implementation of this method throws an UnsupportedOperationException, since not every implementation

      * may actually want to use this operation.  Subclasses desiring other behaviors

      * will need to override this.

      *

      * @see org.kuali.core.lookup.LookupableHelperService#getSearchResultsUnbounded(java.util.Map)

      */

     public List<? extends BusinessObject> getSearchResultsUnbounded(Map<String, String> fieldValues) {

         throw new UnsupportedOperationException("Lookupable helper services do not always support getSearchResultsUnbounded");

     }

     /**

      * Performs the lookup and returns a collection of lookup items

      *

      * @param lookupForm

      * @param resultTable

      * @param bounded

      * @return

      */

     public Collection performLookup(LookupForm lookupForm, Collection resultTable, boolean bounded) {

         Map lookupFormFields = lookupForm.getFieldsForLookup();

         setBackLocation((String) lookupForm.getFieldsForLookup().get(KRADConstants.BACK_LOCATION));

         setDocFormKey((String) lookupForm.getFieldsForLookup().get(KRADConstants.DOC_FORM_KEY));

         Collection displayList;

         preprocessDateFields(lookupFormFields);

         Map fieldsForLookup = new HashMap(lookupForm.getFieldsForLookup());

         // call search method to get results

         if (bounded) {

             displayList = getSearchResults(lookupForm.getFieldsForLookup());

         } else {

             displayList = getSearchResultsUnbounded(lookupForm.getFieldsForLookup());

         }

         boolean hasReturnableRow = false;

         List returnKeys = getReturnKeys();

         List pkNames = getBusinessObjectMetaDataService().listPrimaryKeyFieldNames(getBusinessObjectClass());

         Person user = GlobalVariables.getUserSession().getPerson();

         // iterate through result list and wrap rows with return url and action

         // urls

         for (Iterator iter = displayList.iterator(); iter.hasNext();) {

             BusinessObject element = (BusinessObject) iter.next();

             final String lookupId = KNSServiceLocator.getLookupResultsService().getLookupId(element);

             if (lookupId != null) {

                 lookupForm.setLookupObjectId(lookupId);

             }

             BusinessObjectRestrictions businessObjectRestrictions = getBusinessObjectAuthorizationService()

                     .getLookupResultRestrictions(element, user);

             HtmlData returnUrl = getReturnUrl(element, lookupForm, returnKeys, businessObjectRestrictions);

             String actionUrls = getActionUrls(element, pkNames, businessObjectRestrictions);

             // Fix for JIRA - KFSMI-2417

             if ("".equals(actionUrls)) {

                 actionUrls = ACTION_URLS_EMPTY;

             }

             List<Column> columns = getColumns();

             for (Iterator iterator = columns.iterator(); iterator.hasNext();) {

                 Column col = (Column) iterator.next();

                 String propValue = ObjectUtils.getFormattedPropertyValue(element, col.getPropertyName(), col.getFormatter());

                 Class propClass = getPropertyClass(element, col.getPropertyName());

                 col.setComparator(CellComparatorHelper.getAppropriateComparatorForPropertyClass(propClass));

                 col.setValueComparator(CellComparatorHelper.getAppropriateValueComparatorForPropertyClass(propClass));

                 String propValueBeforePotientalMasking = propValue;

                 propValue = maskValueIfNecessary(element.getClass(), col.getPropertyName(), propValue,

                         businessObjectRestrictions);

                 col.setPropertyValue(propValue);

                 // if property value is masked, don't display additional or alternate properties, or allow totals

                 if (StringUtils.equals(propValueBeforePotientalMasking, propValue)) {

                     if (StringUtils.isNotBlank(col.getAlternateDisplayPropertyName())) {

                         String alternatePropertyValue = ObjectUtils.getFormattedPropertyValue(element, col

                                 .getAlternateDisplayPropertyName(), null);

                         col.setPropertyValue(alternatePropertyValue);

                     }

                     if (StringUtils.isNotBlank(col.getAdditionalDisplayPropertyName())) {

                         String additionalPropertyValue = ObjectUtils.getFormattedPropertyValue(element, col

                                 .getAdditionalDisplayPropertyName(), null);

                         col.setPropertyValue(col.getPropertyValue() + " *-* " + additionalPropertyValue);

                     }

                 } else {

                     col.setTotal(false);

                 }

                 if (col.isTotal()) {

                     Object unformattedPropValue = ObjectUtils.getPropertyValue(element, col.getPropertyName());

                     col.setUnformattedPropertyValue(unformattedPropValue);

                 }

                 if (StringUtils.isNotBlank(propValue)) {

                     col.setColumnAnchor(getInquiryUrl(element, col.getPropertyName()));

                 }

             }

             ResultRow row = new ResultRow(columns, returnUrl.constructCompleteHtmlTag(), actionUrls);

             row.setRowId(returnUrl.getName());

             row.setReturnUrlHtmlData(returnUrl);

             // because of concerns of the BO being cached in session on the

             // ResultRow,

             // let's only attach it when needed (currently in the case of

             // export)

             if (getBusinessObjectDictionaryService().isExportable(getBusinessObjectClass())) {

                 row.setBusinessObject(element);

             }

             if (lookupId != null) {

                 row.setObjectId(lookupId);

             }

             boolean rowReturnable = isResultReturnable(element);

             row.setRowReturnable(rowReturnable);

             if (rowReturnable) {

                 hasReturnableRow = true;

             }

             resultTable.add(row);

         }

         lookupForm.setHasReturnableRow(hasReturnableRow);

         return displayList;

     }

     /**

      * Gets the Class for the property in the given BusinessObject instance, if

      * property is not accessible then runtime exception is thrown

      *

      * @param element      BusinessObject instance that contains property

      * @param propertyName Name of property in BusinessObject to get class for

      * @return Type for property as Class

      */

     protected Class getPropertyClass(BusinessObject element, String propertyName) {

         Class propClass = null;

         try {

             propClass = ObjectUtils.getPropertyType(element, propertyName, getPersistenceStructureService());

         } catch (Exception e) {

             throw new RuntimeException("Cannot access PropertyType for property " + "'" + propertyName + "' "

                     + " on an instance of '" + element.getClass().getName() + "'.", e);

         }

         return propClass;

     }

     /**

      * changes from/to dates into the range operators the lookupable dao expects ("..",">" etc)

      * this method modifies the passed in map and returns a list containing only the modified fields

      *

      * @param lookupFormFields

      */

     protected Map<String, String> preprocessDateFields(Map lookupFormFields) {

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

         Set<String> fieldsForLookup = lookupFormFields.keySet();

         for (String propName : fieldsForLookup) {

             if (propName.startsWith(KRADConstants.LOOKUP_RANGE_LOWER_BOUND_PROPERTY_PREFIX)) {

                 String fromDateValue = (String) lookupFormFields.get(propName);

                 String dateFieldName = StringUtils.remove(propName, KRADConstants.LOOKUP_RANGE_LOWER_BOUND_PROPERTY_PREFIX);

                 String dateValue = (String) lookupFormFields.get(dateFieldName);

                 String newPropValue = dateValue;//maybe clean above with ObjectUtils.clean(propertyValue)

                 if (StringUtils.isNotEmpty(fromDateValue) && StringUtils.isNotEmpty(dateValue)) {

                     newPropValue = fromDateValue + SearchOperator.BETWEEN + dateValue;

                 } else if (StringUtils.isNotEmpty(fromDateValue) && StringUtils.isEmpty(dateValue)) {

                     newPropValue = ">=" + fromDateValue;

                 } else if (StringUtils.isNotEmpty(dateValue) && StringUtils.isEmpty(fromDateValue)) {

                     newPropValue = "<=" + dateValue;

                 } //could optionally continue on else here

                 fieldsToUpdate.put(dateFieldName, newPropValue);

             }

         }

         //update lookup values from found date values to update

         Set<String> keysToUpdate = fieldsToUpdate.keySet();

         for (String updateKey : keysToUpdate) {

             lookupFormFields.put(updateKey, fieldsToUpdate.get(updateKey));

         }

         return fieldsToUpdate;

     }

     protected String maskValueIfNecessary(Class businessObjectClass, String propertyName, String propertyValue, BusinessObjectRestrictions businessObjectRestrictions) {

         String maskedPropertyValue = propertyValue;

         if (businessObjectRestrictions != null) {

             FieldRestriction fieldRestriction = businessObjectRestrictions.getFieldRestriction(propertyName);

             if (fieldRestriction != null && (fieldRestriction.isMasked() || fieldRestriction.isPartiallyMasked())) {

                 maskedPropertyValue = fieldRestriction.getMaskFormatter().maskValue(propertyValue);

             }

         }

         return maskedPropertyValue;

     }

     protected void setReferencesToRefresh(String referencesToRefresh) {

         this.referencesToRefresh = referencesToRefresh;

     }

     public String getReferencesToRefresh() {

         return referencesToRefresh;

     }