/*

  * 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.kew.docsearch.service.impl;

 import org.apache.commons.collections.CollectionUtils;

 import org.apache.commons.lang.StringUtils;

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

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

 import org.kuali.rice.core.api.reflect.ObjectDefinition;

 import org.kuali.rice.core.framework.persistence.jdbc.sql.SqlBuilder;

 import org.kuali.rice.core.framework.persistence.platform.DatabasePlatform;

 import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;

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

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

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

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

 import org.kuali.rice.kew.docsearch.DocSearchCriteriaDTO;

 import org.kuali.rice.kew.docsearch.DocSearchDTO;

 import org.kuali.rice.kew.docsearch.DocSearchUtils;

 import org.kuali.rice.kew.docsearch.DocumentSearchGenerator;

 import org.kuali.rice.kew.docsearch.DocumentSearchResultComponents;

 import org.kuali.rice.kew.docsearch.DocumentSearchResultProcessor;

 import org.kuali.rice.kew.docsearch.SavedSearchResult;

 import org.kuali.rice.kew.docsearch.SearchAttributeCriteriaComponent;

 import org.kuali.rice.kew.docsearch.StandardDocumentSearchGenerator;

 import org.kuali.rice.kew.docsearch.StandardDocumentSearchResultProcessor;

 import org.kuali.rice.kew.docsearch.dao.DocumentSearchDAO;

 import org.kuali.rice.kew.docsearch.service.DocumentSearchService;

 import org.kuali.rice.kew.doctype.bo.DocumentType;

 import org.kuali.rice.kew.engine.node.RouteNode;

 import org.kuali.rice.kew.exception.WorkflowServiceError;

 import org.kuali.rice.kew.exception.WorkflowServiceErrorException;

 import org.kuali.rice.kew.exception.WorkflowServiceErrorImpl;

 import org.kuali.rice.kew.service.KEWServiceLocator;

 import org.kuali.rice.kew.useroptions.UserOptions;

 import org.kuali.rice.kew.useroptions.UserOptionsService;

 import org.kuali.rice.kew.util.KEWConstants;

 import org.kuali.rice.kew.util.Utilities;

 import org.kuali.rice.kim.api.services.KimApiServiceLocator;

 import org.kuali.rice.kim.api.group.Group;

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

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

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

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

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

 import java.text.MessageFormat;

 import java.util.ArrayList;

 import java.util.Arrays;

 import java.util.Collection;

 import java.util.Collections;

 import java.util.List;

 public class DocumentSearchServiceImpl implements DocumentSearchService {

         private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(DocumentSearchServiceImpl.class);

         private static final int MAX_SEARCH_ITEMS = 5;

         private static final String LAST_SEARCH_ORDER_OPTION = "DocSearch.LastSearch.Order";

         private static final String NAMED_SEARCH_ORDER_BASE = "DocSearch.NamedSearch.";

         private static final String LAST_SEARCH_BASE_NAME = "DocSearch.LastSearch.Holding";

         private static final String DOC_SEARCH_CRITERIA_DTO_CLASS = "org.kuali.rice.kew.docsearch.DocSearchCriteriaDTO";

         private static DictionaryValidationService dictionaryValidationService;

         private static DataDictionaryService dataDictionaryService;

         private static ConfigurationService kualiConfigurationService;

         private DocumentSearchDAO docSearchDao;

         private UserOptionsService userOptionsService;

         private SqlBuilder sqlBuilder = null;

         public void setDocumentSearchDAO(DocumentSearchDAO docSearchDao) {

                 this.docSearchDao = docSearchDao;

         }

         public void setUserOptionsService(UserOptionsService userOptionsService) {

                 this.userOptionsService = userOptionsService;

         }

         public void clearNamedSearches(String principalId) {

                 String[] clearListNames = { NAMED_SEARCH_ORDER_BASE + "%", LAST_SEARCH_BASE_NAME + "%", LAST_SEARCH_ORDER_OPTION + "%" };

         for (String clearListName : clearListNames)

         {

             List<UserOptions> records = userOptionsService.findByUserQualified(principalId, clearListName);

             for (UserOptions userOptions : records) {

                 userOptionsService.deleteUserOptions((UserOptions) userOptions);

             }

         }

         }

         public SavedSearchResult getSavedSearchResults(String principalId, String savedSearchName) {

                 UserOptions savedSearch = userOptionsService.findByOptionId(savedSearchName, principalId);

                 if (savedSearch == null || savedSearch.getOptionId() == null) {

                         return null;

                 }

                 DocSearchCriteriaDTO criteria = getCriteriaFromSavedSearch(savedSearch);

                 return new SavedSearchResult(criteria, getList(principalId, criteria));

         }

     public DocumentSearchResultComponents getList(String principalId, DocSearchCriteriaDTO criteria) {

         return getList(principalId, criteria, false);

     }

     public DocumentSearchResultComponents getListRestrictedByCriteria(String principalId, DocSearchCriteriaDTO criteria) {

         return getList(principalId, criteria, true);

     }

         private DocumentSearchResultComponents getList(String principalId, DocSearchCriteriaDTO criteria, boolean useCriteriaRestrictions) {

                 DocumentSearchGenerator docSearchGenerator = null;

                 DocumentSearchResultProcessor docSearchResultProcessor = null;

                 DocumentType documentType = KEWServiceLocator.getDocumentTypeService().findByName(criteria.getDocTypeFullName());

                 if (documentType != null ) {

                 docSearchGenerator = documentType.getDocumentSearchGenerator();

                 docSearchResultProcessor = documentType.getDocumentSearchResultProcessor();

                 } else {

                         docSearchGenerator = getStandardDocumentSearchGenerator();

                 docSearchResultProcessor = getStandardDocumentSearchResultProcessor();

                 }

                 docSearchGenerator.setSearchingUser(principalId);

                 performPreSearchConditions(docSearchGenerator,principalId,criteria);

         validateDocumentSearchCriteria(docSearchGenerator,criteria);

         DocumentSearchResultComponents searchResult = null;

         try {

             List<DocSearchDTO> docListResults = null;

             if (useCriteriaRestrictions) {

                 docListResults = docSearchDao.getListBoundedByCritera(docSearchGenerator,criteria, principalId);

             } else {

                 docListResults = docSearchDao.getList(docSearchGenerator,criteria, principalId);

             }

             if (docSearchResultProcessor.isProcessFinalResults()) {

                 searchResult = docSearchResultProcessor.processIntoFinalResults(docListResults, criteria, principalId);

             } else {

                 searchResult = new StandardDocumentSearchResultProcessor().processIntoFinalResults(docListResults, criteria, principalId);

             }

         } catch (Exception e) {

                         String errorMsg = "Error received trying to execute search: " + e.getLocalizedMessage();

             throw new WorkflowServiceErrorException(errorMsg, e, new WorkflowServiceErrorImpl(errorMsg,"docsearch.DocumentSearchService.generalError",errorMsg));

                 }

                 if (!useCriteriaRestrictions || !criteria.isSaveSearchForUser()) {

             try {

                 saveSearch(principalId, criteria);

             } catch (RuntimeException e) {

                     LOG.warn("Unable to save search due to RuntimeException with message: " + e.getMessage());

                     LOG.warn("RuntimeException will be ignored and may cause transaction problems");

                 // swallerin it, cuz we look to be read only

                     }

             }

         return searchResult;

         }

     public DocumentSearchGenerator getStandardDocumentSearchGenerator() {

         String searchGeneratorClass = ConfigContext.getCurrentContextConfig().getProperty(KEWConstants.STANDARD_DOC_SEARCH_GENERATOR_CLASS_CONFIG_PARM);

         if (searchGeneratorClass == null){

             return new StandardDocumentSearchGenerator();

         }

             return (DocumentSearchGenerator)GlobalResourceLoader.getObject(new ObjectDefinition(searchGeneratorClass));

     }

     public DocumentSearchResultProcessor getStandardDocumentSearchResultProcessor() {

         String searchGeneratorClass = ConfigContext.getCurrentContextConfig().getProperty(KEWConstants.STANDARD_DOC_SEARCH_RESULT_PROCESSOR_CLASS_CONFIG_PARM);

         if (searchGeneratorClass == null){

             return new StandardDocumentSearchResultProcessor();

         }

             return (DocumentSearchResultProcessor)GlobalResourceLoader.getObject(new ObjectDefinition(searchGeneratorClass));

     }

     public void performPreSearchConditions(DocumentSearchGenerator docSearchGenerator,String principalId,DocSearchCriteriaDTO criteria) {

         List<WorkflowServiceError> errors = docSearchGenerator.performPreSearchConditions(principalId,criteria);

         if (!errors.isEmpty()) {

             throw new WorkflowServiceErrorException("Document Search Precondition Errors", errors);

         }

     }

     public void validateDocumentSearchCriteria(DocumentSearchGenerator docSearchGenerator,DocSearchCriteriaDTO criteria) {

         List<WorkflowServiceError> errors = this.validateWorkflowDocumentSearchCriteria(criteria);

         errors.addAll(docSearchGenerator.validateSearchableAttributes(criteria));

         if (!errors.isEmpty() || !GlobalVariables.getMessageMap().hasNoErrors()) {

             throw new WorkflowServiceErrorException("Document Search Validation Errors", errors);

         }

     }

     protected List<WorkflowServiceError> validateWorkflowDocumentSearchCriteria(DocSearchCriteriaDTO criteria) {

         List<WorkflowServiceError> errors = new ArrayList<WorkflowServiceError>();

         // trim the network ids.  Validation isn't really necessary, because if not found, no results will

         // be returned.

         if (!StringUtils.isEmpty(criteria.getApprover())) {

             criteria.setApprover(criteria.getApprover().trim());

         }

         if (!StringUtils.isEmpty(criteria.getViewer())) {

             criteria.setViewer(criteria.getViewer().trim());

         }

         if (!StringUtils.isEmpty(criteria.getInitiator())) {

             criteria.setInitiator(criteria.getInitiator().trim());

         }

         if (! validateWorkgroup(criteria.getWorkgroupViewerId(), criteria.getWorkgroupViewerName())) {

             errors.add(new WorkflowServiceErrorImpl("Workgroup Viewer Name is not a workgroup", "docsearch.DocumentSearchService.workgroup.viewer"));

         } else {

             if (!org.apache.commons.lang.StringUtils.isEmpty(criteria.getWorkgroupViewerName())){

                 criteria.setWorkgroupViewerName(criteria.getWorkgroupViewerName().trim());

             }

         }

         if (!validateNumber(criteria.getDocVersion())) {

             errors.add(new WorkflowServiceErrorImpl("Non-numeric document version", "docsearch.DocumentSearchService.docVersion"));

         } else {

             if (criteria.getDocVersion() != null && !"".equals(criteria.getDocVersion().trim())) {

                 criteria.setDocVersion(criteria.getDocVersion().trim());

             }

         }

         if (criteria.getDocumentId() != null && !"".equals(criteria.getDocumentId().trim())) {

                 criteria.setDocumentId(criteria.getDocumentId().trim());

         }

         // validate any dates

         boolean compareDatePairs = true;

         if (!validateDate("fromDateCreated", criteria.getFromDateCreated(), "fromDateCreated")) {

             compareDatePairs = false;

         } else {

             if (criteria.getFromDateCreated() != null && !"".equals(criteria.getFromDateCreated().trim())) {

                 criteria.setFromDateCreated(criteria.getFromDateCreated().trim());

             } else {

                 compareDatePairs = false;

             }

         }

         if (!validateDate("toDateCreated", criteria.getToDateCreated(), "toDateCreated")) {

             compareDatePairs = false;

         } else {

             if (criteria.getToDateCreated() != null && !"".equals(criteria.getToDateCreated().trim())) {

                 criteria.setToDateCreated(criteria.getToDateCreated().trim());

             } else {

                 compareDatePairs = false;

             }

         }

         if (compareDatePairs) {

             if (!checkDateRanges(criteria.getFromDateCreated(), criteria.getToDateCreated())) {

                     String[] messageArgs = getDataDictionaryService().getAttributeValidatingErrorMessageParameters(

                                     DOC_SEARCH_CRITERIA_DTO_CLASS, "fromDateCreated");

                     errors.add(new WorkflowServiceErrorImpl(MessageFormat.format(getKualiConfigurationService().getPropertyString(

                                                     getDataDictionaryService().getAttributeValidatingErrorMessageKey(DOC_SEARCH_CRITERIA_DTO_CLASS, "fromDateCreated") +

                                                                     ".range"), messageArgs[0]), "docsearch.DocumentSearchService.dateCreatedRange"));

             }

         }

         compareDatePairs = true;

         if (!validateDate("fromDateApproved", criteria.getFromDateApproved(), "fromDateApproved")) {

             compareDatePairs = false;

         } else {

             if (criteria.getFromDateApproved() != null && !"".equals(criteria.getFromDateApproved().trim())) {

                 criteria.setFromDateApproved(criteria.getFromDateApproved().trim());

             } else {

                 compareDatePairs = false;

             }

         }

         if (!validateDate("toDateApproved", criteria.getToDateApproved(), "toDateApproved")) {

             compareDatePairs = false;

         } else {

             if (criteria.getToDateApproved() != null && !"".equals(criteria.getToDateApproved().trim())) {

                 criteria.setToDateApproved(criteria.getToDateApproved().trim());

             } else {

                 compareDatePairs = false;

             }

         }

         if (compareDatePairs) {

             if (!checkDateRanges(criteria.getFromDateApproved(), criteria.getToDateApproved())) {

                     String[] messageArgs = getDataDictionaryService().getAttributeValidatingErrorMessageParameters(

                                     DOC_SEARCH_CRITERIA_DTO_CLASS, "fromDateApproved");

                     errors.add(new WorkflowServiceErrorImpl(MessageFormat.format(getKualiConfigurationService().getPropertyString(

                                                     getDataDictionaryService().getAttributeValidatingErrorMessageKey(DOC_SEARCH_CRITERIA_DTO_CLASS, "fromDateApproved") +

                                                                     ".range"), messageArgs[0]), "docsearch.DocumentSearchService.dateApprovedRange"));

             }

         }

         compareDatePairs = true;

         if (!validateDate("fromDateFinalized", criteria.getFromDateFinalized(), "fromDateFinalized")) {

             compareDatePairs = false;

         } else {

             if (criteria.getFromDateFinalized() != null && !"".equals(criteria.getFromDateFinalized().trim())) {

                 criteria.setFromDateFinalized(criteria.getFromDateFinalized().trim());

             } else {

                 compareDatePairs = false;

             }

         }

         if (!validateDate("toDateFinalized", criteria.getToDateFinalized(), "toDateFinalized")) {

             compareDatePairs = false;

         } else {

             if (criteria.getToDateFinalized() != null && !"".equals(criteria.getToDateFinalized().trim())) {

                 criteria.setToDateFinalized(criteria.getToDateFinalized().trim());

             } else {

                 compareDatePairs = false;

             }

         }

         if (compareDatePairs) {

             if (!checkDateRanges(criteria.getFromDateFinalized(), criteria.getToDateFinalized())) {

                     String[] messageArgs = getDataDictionaryService().getAttributeValidatingErrorMessageParameters(

                                     DOC_SEARCH_CRITERIA_DTO_CLASS, "fromDateFinalized");

                     errors.add(new WorkflowServiceErrorImpl(MessageFormat.format(getKualiConfigurationService().getPropertyString(

                                                     getDataDictionaryService().getAttributeValidatingErrorMessageKey(DOC_SEARCH_CRITERIA_DTO_CLASS, "fromDateFinalized") +

                                                                     ".range"), messageArgs[0]), "docsearch.DocumentSearchService.dateFinalizedRange"));

             }

         }

         compareDatePairs = true;

         if (!validateDate("fromDateLastModified", criteria.getFromDateLastModified(), "fromDateLastModified")) {

             compareDatePairs = false;

         } else {

             if (criteria.getFromDateLastModified() != null && !"".equals(criteria.getFromDateLastModified().trim())) {

                 criteria.setFromDateLastModified(criteria.getFromDateLastModified().trim());

             } else {

                 compareDatePairs = false;

             }

         }

         if (!validateDate("toDateLastModified", criteria.getToDateLastModified(), "toDateLastModified")) {

             compareDatePairs = false;

         } else {

             if (criteria.getToDateLastModified() != null && !"".equals(criteria.getToDateLastModified().trim())) {

                 criteria.setToDateLastModified(criteria.getToDateLastModified().trim());

             } else {

                 compareDatePairs = false;

             }

         }

         if (compareDatePairs) {

             if (!checkDateRanges(criteria.getFromDateLastModified(), criteria.getToDateLastModified())) {

                     String[] messageArgs = getDataDictionaryService().getAttributeValidatingErrorMessageParameters(

                                     DOC_SEARCH_CRITERIA_DTO_CLASS, "fromDateLastModified");

                     errors.add(new WorkflowServiceErrorImpl(MessageFormat.format(getKualiConfigurationService().getPropertyString(

                                                     getDataDictionaryService().getAttributeValidatingErrorMessageKey(DOC_SEARCH_CRITERIA_DTO_CLASS, "fromDateLastModified") +

                                                                     ".range"), messageArgs[0]), "docsearch.DocumentSearchService.dateLastModifiedRange"));

             }

         }

         return errors;

     }

     private boolean validateNetworkId(List<String> networkIds){

             for(String networkId: networkIds){

                     if(!this.validateNetworkId(networkId)){

                             return false;

                     }

             }

             return true;

     }

         private boolean validateNetworkId(String networkId) {

                 if ((networkId == null) || networkId.trim().equals("")) {

                         return true;

                 }

                 try {

                         return KimApiServiceLocator.getIdentityManagementService().getPrincipalByPrincipalName(networkId.trim()) != null;

                 } catch (Exception ex) {

                         LOG.debug(ex, ex);

                         return false;

                 }

         }

         private boolean validatePersonByPrincipalName(String principalName){

         return true;

                 /*if(StringUtils.isBlank(principalName)) {

                         return true;

                 }

                 Person person = KimApiServiceLocator.getPersonService().getPersonByPrincipalName(principalName);

                 return person != null;*/

         }

         private boolean validateDate(String dateFieldName, String dateFieldValue, String dateFieldErrorKey) {

                 // Validates the date format via the dictionary validation service. If validation fails, the validation service adds an error to the message map.

                 int oldErrorCount = GlobalVariables.getMessageMap().getErrorCount();

                 getDictionaryValidationService().validateAttributeFormat(DOC_SEARCH_CRITERIA_DTO_CLASS, dateFieldName, dateFieldValue,

                                 KEWConstants.SearchableAttributeConstants.DATA_TYPE_DATE, dateFieldErrorKey);

                 return (GlobalVariables.getMessageMap().getErrorCount() <= oldErrorCount);

                 //return Utilities.validateDate(date, true);

         }

         private boolean checkDateRanges(String fromDate, String toDate) {

                 return Utilities.checkDateRanges(fromDate, toDate);

         }

         private boolean validateNumber(List<String> integers) {

                 for(String integer: integers){

                     if(!this.validateNumber(integer)){

                             return false;

                     }

             }

             return true;

         }

         private boolean validateNumber(String integer) {

                 if ((integer == null) || integer.trim().equals("")) {

                         return true;

                 }

                 return SqlBuilder.isValidNumber(integer);

         }

     private boolean validateWorkgroup(String id, String workgroupName) {

         if (org.apache.commons.lang.StringUtils.isEmpty(workgroupName)) {

             return true;

         }

         Group group = KimApiServiceLocator.getIdentityManagementService().getGroup(id);

         return group != null;

     }

         public List<KeyValue> getNamedSearches(String principalId) {

                 List<UserOptions> namedSearches = userOptionsService.findByUserQualified(principalId, NAMED_SEARCH_ORDER_BASE + "%");

                 List<KeyValue> sortedNamedSearches = new ArrayList<KeyValue>(0);

                 if (namedSearches != null && namedSearches.size() > 0) {

                         Collections.sort(namedSearches);

                         for (UserOptions namedSearch : namedSearches) {

                                 KeyValue keyValue = new ConcreteKeyValue(namedSearch.getOptionId(), namedSearch.getOptionId().substring(NAMED_SEARCH_ORDER_BASE.length(), namedSearch.getOptionId().length()));

                                 sortedNamedSearches.add(keyValue);

                         }

                 }

                 return sortedNamedSearches;

         }

         public List<KeyValue> getMostRecentSearches(String principalId) {

                 UserOptions order = userOptionsService.findByOptionId(LAST_SEARCH_ORDER_OPTION, principalId);

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

                 if (order != null && order.getOptionVal() != null && !"".equals(order.getOptionVal())) {

                         List<UserOptions> mostRecentSearches = userOptionsService.findByUserQualified(principalId, LAST_SEARCH_BASE_NAME + "%");

                         String[] ordered = order.getOptionVal().split(",");

             for (String anOrdered : ordered)

             {

                 UserOptions matchingOption = null;

                 for (UserOptions option : mostRecentSearches)

                 {

                     if (anOrdered.equals(option.getOptionId()))

                     {

                         matchingOption = option;

                         break;

                     }

                 }

                 if (matchingOption != null)

                 {

                         sortedMostRecentSearches.add(new ConcreteKeyValue(anOrdered, getCriteriaFromSavedSearch(matchingOption).getDocumentSearchAbbreviatedString()));

                 }

             }

                 }

                 return sortedMostRecentSearches;

         }

         private void saveSearch(String principalId, DocSearchCriteriaDTO criteria) {

                 if (StringUtils.isBlank(principalId)) {

                         String message = "User given to save search was null.";

                         LOG.warn(message);

                         throw new IllegalArgumentException(message);

                 }

                 StringBuffer savedSearchString = new StringBuffer();

                 savedSearchString.append(criteria.getAppDocId() == null || "".equals(criteria.getAppDocId()) ? "" : ",,appDocId=" + criteria.getAppDocId());

                 savedSearchString.append(criteria.getApprover() == null || "".equals(criteria.getApprover()) ? "" : ",,approver=" + criteria.getApprover());

         if (! org.apache.commons.lang.StringUtils.isEmpty(criteria.getDocRouteNodeId()) && !criteria.getDocRouteNodeId().equals("-1")) {

             RouteNode routeNode = KEWServiceLocator.getRouteNodeService().findRouteNodeById(new Long(criteria.getDocRouteNodeId()));

             // this block will result in NPE if routeNode is not found; is the intent to preserve the requested criteria? if so, then the following line fixes it

             //savedSearchString.append(",,docRouteNodeId=" + (routeNode != null ? routeNode.getRouteNodeId() : criteria.getDocRouteNodeId()));

             savedSearchString.append(",,docRouteNodeId=");

             savedSearchString.append(routeNode.getRouteNodeId());

             savedSearchString.append(criteria.getDocRouteNodeLogic() == null || "".equals(criteria.getDocRouteNodeLogic()) ? "" : ",,docRouteNodeLogic=" + criteria.getDocRouteNodeLogic());

         }

                 savedSearchString.append(criteria.getDocRouteStatus() == null || "".equals(criteria.getDocRouteStatus()) ? "" : ",,docRouteStatus=" + criteria.getDocRouteStatus());

                 savedSearchString.append(criteria.getDocTitle() == null || "".equals(criteria.getDocTitle()) ? "" : ",,docTitle=" + criteria.getDocTitle());

                 savedSearchString.append(criteria.getDocTypeFullName() == null || "".equals(criteria.getDocTypeFullName()) ? "" : ",,docTypeFullName=" + criteria.getDocTypeFullName());

                 savedSearchString.append(criteria.getDocVersion() == null || "".equals(criteria.getDocVersion()) ? "" : ",,docVersion=" + criteria.getDocVersion());

                 savedSearchString.append(criteria.getFromDateApproved() == null || "".equals(criteria.getFromDateApproved()) ? "" : ",,fromDateApproved=" + criteria.getFromDateApproved());

                 savedSearchString.append(criteria.getFromDateCreated() == null || "".equals(criteria.getFromDateCreated()) ? "" : ",,fromDateCreated=" + criteria.getFromDateCreated());

                 savedSearchString.append(criteria.getFromDateFinalized() == null || "".equals(criteria.getFromDateFinalized()) ? "" : ",,fromDateFinalized=" + criteria.getFromDateFinalized());

                 savedSearchString.append(criteria.getFromDateLastModified() == null || "".equals(criteria.getFromDateLastModified()) ? "" : ",,fromDateLastModified=" + criteria.getFromDateLastModified());

                 savedSearchString.append(criteria.getInitiator() == null || "".equals(criteria.getInitiator()) ? "" : ",,initiator=" + criteria.getInitiator());

                 savedSearchString.append(criteria.getOverrideInd() == null || "".equals(criteria.getOverrideInd()) ? "" : ",,overrideInd=" + criteria.getOverrideInd());

                 savedSearchString.append(criteria.getDocumentId() == null || "".equals(criteria.getDocumentId()) ? "" : ",,documentId=" + criteria.getDocumentId());

                 savedSearchString.append(criteria.getToDateApproved() == null || "".equals(criteria.getToDateApproved()) ? "" : ",,toDateApproved=" + criteria.getToDateApproved());

                 savedSearchString.append(criteria.getToDateCreated() == null || "".equals(criteria.getToDateCreated()) ? "" : ",,toDateCreated=" + criteria.getToDateCreated());

                 savedSearchString.append(criteria.getToDateFinalized() == null || "".equals(criteria.getToDateFinalized()) ? "" : ",,toDateFinalized=" + criteria.getToDateFinalized());

                 savedSearchString.append(criteria.getToDateLastModified() == null || "".equals(criteria.getToDateLastModified()) ? "" : ",,toDateLastModified=" + criteria.getToDateLastModified());

         savedSearchString.append(criteria.getViewer() == null || "".equals(criteria.getViewer()) ? "" : ",,viewer=" + criteria.getViewer());

         savedSearchString.append(criteria.getWorkgroupViewerName() == null || "".equals(criteria.getWorkgroupViewerName()) ? "" : ",,workgroupViewerName=" + criteria.getWorkgroupViewerName());

         savedSearchString.append(criteria.getWorkgroupViewerName() == null || "".equals(criteria.getWorkgroupViewerId()) ? "" : ",,workgroupViewerId=" + criteria.getWorkgroupViewerId());

                 savedSearchString.append(criteria.getNamedSearch() == null || "".equals(criteria.getNamedSearch()) ? "" : ",,namedSearch=" + criteria.getNamedSearch());

                 savedSearchString.append(criteria.getSearchableAttributes().isEmpty() ? "" : ",,searchableAttributes=" + buildSearchableAttributeString(criteria.getSearchableAttributes()));

                 if (savedSearchString.toString() != null && !"".equals(savedSearchString.toString().trim())) {

             savedSearchString.append(criteria.getIsAdvancedSearch() == null || "".equals(criteria.getIsAdvancedSearch()) ? "" : ",,isAdvancedSearch=" + criteria.getIsAdvancedSearch());

             savedSearchString.append(criteria.getSuperUserSearch() == null || "".equals(criteria.getSuperUserSearch()) ? "" : ",,superUserSearch=" + criteria.getSuperUserSearch());

                         if (criteria.getNamedSearch() != null && !"".equals(criteria.getNamedSearch().trim())) {

                                 userOptionsService.save(principalId, NAMED_SEARCH_ORDER_BASE + criteria.getNamedSearch(), savedSearchString.toString());

                         } else {

                                 // first determine the current ordering

                                 UserOptions searchOrder = userOptionsService.findByOptionId(LAST_SEARCH_ORDER_OPTION, principalId);

                                 if (searchOrder == null) {

                                         userOptionsService.save(principalId, LAST_SEARCH_BASE_NAME + "0", savedSearchString.toString());

                                         userOptionsService.save(principalId, LAST_SEARCH_ORDER_OPTION, LAST_SEARCH_BASE_NAME + "0");

                                 } else {

                                         String[] currentOrder = searchOrder.getOptionVal().split(",");

                                         if (currentOrder.length == MAX_SEARCH_ITEMS) {

                                                 String searchName = currentOrder[currentOrder.length - 1];

                                                 String[] newOrder = new String[MAX_SEARCH_ITEMS];

                                                 newOrder[0] = searchName;

                                                 for (int i = 0; i < currentOrder.length - 1; i++) {

                                                         newOrder[i + 1] = currentOrder[i];

                                                 }

                                                 String newSearchOrder = "";

                         for (String aNewOrder : newOrder)

                         {

                             if (!"".equals(newSearchOrder))

                             {

                                 newSearchOrder += ",";

                             }

                             newSearchOrder += aNewOrder;

                         }

                                                 userOptionsService.save(principalId, searchName, savedSearchString.toString());

                                                 userOptionsService.save(principalId, LAST_SEARCH_ORDER_OPTION, newSearchOrder);

                                         } else {

                                                 // here we need to do a push so identify the highest used number which is from the

                                                 // first one in the array, and then add one to it, and push the rest back one

                                                 int absMax = 0;

                         for (String aCurrentOrder : currentOrder)

                         {

                             int current = new Integer(aCurrentOrder.substring(LAST_SEARCH_BASE_NAME.length(), aCurrentOrder.length()));

                             if (current > absMax)

                             {

                                 absMax = current;

                             }

                         }

                                                 String searchName = LAST_SEARCH_BASE_NAME + ++absMax;

                                                 String[] newOrder = new String[currentOrder.length + 1];

                                                 newOrder[0] = searchName;

                                                 for (int i = 0; i < currentOrder.length; i++) {

                                                         newOrder[i + 1] = currentOrder[i];

                                                 }

                                                 String newSearchOrder = "";

                         for (String aNewOrder : newOrder)

                         {

                             if (!"".equals(newSearchOrder))

                             {

                                 newSearchOrder += ",";

                             }

                             newSearchOrder += aNewOrder;

                         }

                                                 userOptionsService.save(principalId, searchName, savedSearchString.toString());

                                                 userOptionsService.save(principalId, LAST_SEARCH_ORDER_OPTION, newSearchOrder);

                                         }

                                 }

                         }

                 }

         }

         /**

          * Build String of searchable attributes that can be saved with search criteria

          *

          * @param searchableAttributes

          *            searchable attributes to save

          * @return String representation of searchable attributes

          */

         private String buildSearchableAttributeString(List<SearchAttributeCriteriaComponent> searchableAttributes) {

                 final StringBuilder searchableAttributeBuffer = new StringBuilder();

                 for (SearchAttributeCriteriaComponent component : searchableAttributes) {

                         // the following code will remove quickfinder fields

                         if ( (component.getFormKey() == null) ||

                  (component.getValue() == null && (CollectionUtils.isEmpty(component.getValues()))) ) {

                                 continue;

                         }

             if (component.getValue() != null) {

                                 if (searchableAttributeBuffer.length() > 0) {

                                         searchableAttributeBuffer.append(",");

                                 }

                                 searchableAttributeBuffer.append(component.getFormKey());

                                 searchableAttributeBuffer.append(":");

                                 searchableAttributeBuffer.append(component.getValue());

             } else if (!CollectionUtils.isEmpty(component.getValues())) {

                 for (String value : component.getValues()) {

                     if (searchableAttributeBuffer.length() > 0) {

                         searchableAttributeBuffer.append(",");

                     }

                     searchableAttributeBuffer.append(component.getFormKey());

                     searchableAttributeBuffer.append(":");

                     searchableAttributeBuffer.append(value);

                 }

             } else {

                 throw new RuntimeException("Error occurred building searchable attribute string trying to find search attribute component value or values");

             }

                 }

                 return searchableAttributeBuffer.toString();

         }

         /**

          * Build List of searchable attributes from saved searchable attributes string

          *

          * @param searchableAttributeString

          *            String representation of searchable attributes

          * @return searchable attributes list

          */

 //        private List buildSearchableAttributesFromString(String searchableAttributeString, String documentTypeName) {

 //                List searchableAttributes = new ArrayList();

 //                Map criteriaComponentsByKey = new HashMap();

 //

 //                if (!org.apache.commons.lang.StringUtils.isEmpty(documentTypeName)) {

 //                        DocumentType docType = ((DocumentTypeService)KEWServiceLocator.getService(KEWServiceLocator.DOCUMENT_TYPE_SERVICE)).findByName(documentTypeName);

 //                        if (docType == null) {

 //                                String errorMsg = "Cannot find document type for given name '" + documentTypeName + "'";

 //                                LOG.error("buildSearchableAttributesFromString() " + errorMsg);

 //                                throw new RuntimeException(errorMsg);

 //                        }

 //                        for (SearchableAttribute searchableAttribute : docType.getSearchableAttributes()) {

 //                                for (Row row : searchableAttribute.getSearchingRows()) {

 //                                        for (Field field : row.getFields()) {

 //                                                SearchableAttributeValue searchableAttributeValue = DocSearchUtils.getSearchableAttributeValueByDataTypeString(field.getFieldDataType());

 //                                                SearchAttributeCriteriaComponent sacc = new SearchAttributeCriteriaComponent(field.getPropertyName(),null,field.getSavablePropertyName(),searchableAttributeValue);

 //                                        sacc.setRangeSearch(field.isMemberOfRange());

 //                                        sacc.setAllowWildcards(field.isAllowingWildcards());

 //                                        sacc.setAutoWildcardBeginning(field.isAutoWildcardAtBeginning());

 //                                        sacc.setAutoWildcardEnd(field.isAutoWildcardAtEnding());

 //                                        sacc.setCaseSensitive(field.isCaseSensitive());

 //                                        sacc.setSearchInclusive(field.isInclusive());

 //                        sacc.setSearchable(field.isSearchable());

 //                        sacc.setCanHoldMultipleValues(Field.MULTI_VALUE_FIELD_TYPES.contains(field.getFieldType()));

 //                                        criteriaComponentsByKey.put(field.getPropertyName(), sacc);

 //                                        }

 //                                }

 //                        }

 //                }

 //

 //        Map<String,List<String>> checkForMultiValueSearchableAttributes = new HashMap<String,List<String>>();

 //                if ((searchableAttributeString != null) && (searchableAttributeString.trim().length() > 0)) {

 //                        StringTokenizer tokenizer = new StringTokenizer(searchableAttributeString, ",");

 //                        while (tokenizer.hasMoreTokens()) {

 //                                String searchableAttribute = tokenizer.nextToken();

 //                                int index = searchableAttribute.indexOf(":");

 //                                if (index != -1) {

 //                                        String key = searchableAttribute.substring(0, index);

 ////                                        String savedKey = key;

 ////                                        if (key.indexOf(SearchableAttribute.RANGE_LOWER_BOUND_PROPERTY_PREFIX) == 0) {

 ////                                                savedKey = key.substring(SearchableAttribute.RANGE_LOWER_BOUND_PROPERTY_PREFIX.length());

 ////                                        } else if (key.indexOf(SearchableAttribute.RANGE_UPPER_BOUND_PROPERTY_PREFIX) == 0) {

 ////                                                savedKey = key.substring(SearchableAttribute.RANGE_UPPER_BOUND_PROPERTY_PREFIX.length());

 ////                                        }

 //                                        String value = searchableAttribute.substring(index + 1);

 //                                        SearchAttributeCriteriaComponent critComponent = (SearchAttributeCriteriaComponent) criteriaComponentsByKey.get(key);

 //                    if (critComponent == null) {

 //                        // here we potentially have a change to the searchable attributes dealing with naming or ranges... so we just ignore the values

 //                        continue;

 //                    }

 //                    if (critComponent.getSearchableAttributeValue() == null) {

 //                                                String errorMsg = "Cannot find SearchableAttributeValue for given key '" + key + "'";

 //                                                LOG.error("buildSearchableAttributesFromString() " + errorMsg);

 //                                                throw new RuntimeException(errorMsg);

 //                                        }

 //                    if (critComponent.isCanHoldMultipleValues()) {

 //                        // should be multivalue

 //                        if (checkForMultiValueSearchableAttributes.containsKey(key)) {

 //                            List<String> keyList = checkForMultiValueSearchableAttributes.get(key);

 //                            keyList.add(value);

 //                            checkForMultiValueSearchableAttributes.put(key, keyList);

 //                        } else {

 //                            List<String> tempList = new ArrayList<String>();

 //                            tempList.add(value);

 ////                            tempList.addAll(Arrays.asList(new String[]{value}));

 //                            checkForMultiValueSearchableAttributes.put(key, tempList);

 //                            searchableAttributes.add(critComponent);

 //                        }

 //                    }

 //                    else {

 //                        // should be single value

 //                        if (checkForMultiValueSearchableAttributes.containsKey(key)) {

 //                            // attempting to use multiple values in a field that does not support it

 //                            String error = "Attempting to add multiple values to a search attribute (key: '" + key + "') that does not suppor them";

 //                            LOG.error("buildSearchableAttributesFromString() " + error);

 //                            // we don't blow chunks here in case an attribute has been altered from multi-value to non-multi-value

 //                        }

 //                        critComponent.setValue(value);

 //                        searchableAttributes.add(critComponent);

 //                    }

 //

 //

 //                                }

 //                        }

 //            for (Iterator iter = searchableAttributes.iterator(); iter.hasNext();) {

 //                SearchAttributeCriteriaComponent criteriaComponent = (SearchAttributeCriteriaComponent) iter.next();

 //                if (criteriaComponent.isCanHoldMultipleValues()) {

 //                    List values =(List)checkForMultiValueSearchableAttributes.get(criteriaComponent.getFormKey());

 //                    criteriaComponent.setValue(null);

 //                    criteriaComponent.setValues(values);

 //                }

 //            }

 //                }

 //

 //                return searchableAttributes;

 //        }

         /**

          *

          * retrieve a document type. This is not a case sensitive search so "TravelRequest" == "Travelrequest"

          *

          * @param docTypeName

          * @return

          */

    private static DocumentType getValidDocumentType(String docTypeName) {

            if (org.apache.commons.lang.StringUtils.isEmpty(docTypeName)) {

                         return null;

                 }

                    DocumentType dTypeCriteria = new DocumentType();

                 dTypeCriteria.setName(docTypeName.trim());

                 dTypeCriteria.setActive(true);

                 Collection<DocumentType> docTypeList = KEWServiceLocator.getDocumentTypeService().find(dTypeCriteria, null, false);

                 // Return the first valid doc type.

                 DocumentType firstDocumentType = null;

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

                         for(DocumentType dType: docTypeList){

                             if (firstDocumentType == null) {

                     firstDocumentType = dType;

                 }

                 if (StringUtils.equals(docTypeName.toUpperCase(), dType.getName().toUpperCase())) {

                     return dType;

                 }

             }

             return firstDocumentType;

                 }else{

                         throw new RuntimeException("No Valid Document Type Found for document type name '" + docTypeName + "'");

                 }

    }

         private DocumentType getValidDocumentTypeOld(String documentTypeFullName) {

                 if (org.apache.commons.lang.StringUtils.isEmpty(documentTypeFullName)) {

                         return null;

                 }

                 DocumentType docType = KEWServiceLocator.getDocumentTypeService().findByName(documentTypeFullName);

                 if (docType == null) {

                         throw new RuntimeException("No Valid Document Type Found for document type name '" + documentTypeFullName + "'");

                 } else {

                         return docType;

                 }

         }

         private DocSearchCriteriaDTO getCriteriaFromSavedSearch(UserOptions savedSearch) {

                 DocSearchCriteriaDTO criteria = new DocSearchCriteriaDTO();

                 if (savedSearch != null) {

                         String docTypeFullName = getOptionCriteriaField(savedSearch, "docTypeFullName");

                         if (!org.apache.commons.lang.StringUtils.isEmpty(docTypeFullName)) {

                                 criteria = new DocSearchCriteriaDTO();

                         }

                         criteria.setDocTypeFullName(getOptionCriteriaField(savedSearch, "docTypeFullName"));

                         criteria.setAppDocId(getOptionCriteriaField(savedSearch, "appDocId"));

                         criteria.setApprover(getOptionCriteriaField(savedSearch, "approver"));

                         criteria.setDocRouteNodeId(getOptionCriteriaField(savedSearch, "docRouteNodeId"));

                         if (criteria.getDocRouteNodeId() != null) {

                                 criteria.setDocRouteNodeLogic(getOptionCriteriaField(savedSearch, "docRouteNodeLogic"));

                         }

             criteria.setIsAdvancedSearch(getOptionCriteriaField(savedSearch, "isAdvancedSearch"));

             criteria.setSuperUserSearch(getOptionCriteriaField(savedSearch, "superUserSearch"));

                         criteria.setDocRouteStatus(getOptionCriteriaField(savedSearch, "docRouteStatus"));

                         criteria.setDocTitle(getOptionCriteriaField(savedSearch, "docTitle"));

                         criteria.setDocVersion(getOptionCriteriaField(savedSearch, "docVersion"));

                         criteria.setFromDateApproved(getOptionCriteriaField(savedSearch, "fromDateApproved"));

                         criteria.setFromDateCreated(getOptionCriteriaField(savedSearch, "fromDateCreated"));

                         criteria.setFromDateFinalized(getOptionCriteriaField(savedSearch, "fromDateFinalized"));

                         criteria.setFromDateLastModified(getOptionCriteriaField(savedSearch, "fromDateLastModified"));

                         criteria.setInitiator(getOptionCriteriaField(savedSearch, "initiator"));

                         criteria.setOverrideInd(getOptionCriteriaField(savedSearch, "overrideInd"));

                         criteria.setDocumentId(getOptionCriteriaField(savedSearch, "documentId"));

                         criteria.setToDateApproved(getOptionCriteriaField(savedSearch, "toDateApproved"));

                         criteria.setToDateCreated(getOptionCriteriaField(savedSearch, "toDateCreated"));

                         criteria.setToDateFinalized(getOptionCriteriaField(savedSearch, "toDateFinalized"));

                         criteria.setToDateLastModified(getOptionCriteriaField(savedSearch, "toDateLastModified"));

                         criteria.setViewer(getOptionCriteriaField(savedSearch, "viewer"));

                         criteria.setWorkgroupViewerNamespace(getOptionCriteriaField(savedSearch, "workgroupViewerNamespace"));

             criteria.setWorkgroupViewerName(getOptionCriteriaField(savedSearch, "workgroupViewerName"));

                         criteria.setNamedSearch(getOptionCriteriaField(savedSearch, "namedSearch"));

                         criteria.setSearchableAttributes(DocSearchUtils.buildSearchableAttributesFromString(getOptionCriteriaField(savedSearch, "searchableAttributes"),criteria.getDocTypeFullName()));

                 }

                 return criteria;

         }

         private String getOptionCriteriaField(UserOptions userOption, String fieldName) {

                 String value = userOption.getOptionVal();

                 if (value != null) {

                         String[] fields = value.split(",,");

             for (String field : fields)

             {

                 if (field.startsWith(fieldName + "="))

                 {

                     return field.substring(field.indexOf(fieldName) + fieldName.length() + 1, field.length());

                 }

             }

                 }

                 return null;

         }

         public static DictionaryValidationService getDictionaryValidationService() {

                 if (dictionaryValidationService == null) {

                         dictionaryValidationService = KNSServiceLocatorWeb.getDictionaryValidationService();

                 }

                 return dictionaryValidationService;

         }

         public static DataDictionaryService getDataDictionaryService() {

                 if (dataDictionaryService == null) {

                         dataDictionaryService = KNSServiceLocatorWeb.getDataDictionaryService();

                 }

                 return dataDictionaryService;

         }

         public static ConfigurationService getKualiConfigurationService() {

                 if (kualiConfigurationService == null) {

                         kualiConfigurationService = KNSServiceLocator.getKualiConfigurationService();

                 }

                 return kualiConfigurationService;

         }

         private List<String> tokenizeCriteria(String input){

                 List<String> lRet = null;

                 lRet = Arrays.asList(input.split("\\|"));

                 return lRet;

         }

         /**

          * @return the sqlBuilder

          */

         public SqlBuilder getSqlBuilder() {

                 if(sqlBuilder == null){

                         sqlBuilder = new SqlBuilder();

                         sqlBuilder.setDbPlatform((DatabasePlatform) GlobalResourceLoader.getService(RiceConstants.DB_PLATFORM));

                         sqlBuilder.setDateTimeService(CoreApiServiceLocator.getDateTimeService());

                 }

                 return this.sqlBuilder;

         }

         /**

          * @param sqlBuilder the sqlBuilder to set

          */

         public void setSqlBuilder(SqlBuilder sqlBuilder) {

                 this.sqlBuilder = sqlBuilder;

         }

 }