/*

  * 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;

 import org.apache.commons.collections.CollectionUtils;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.rice.core.api.exception.RiceRuntimeException;

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

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

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

 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.util.RiceConstants;

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

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

 import org.kuali.rice.kew.doctype.SecuritySession;

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

 import org.kuali.rice.kew.doctype.service.DocumentTypeService;

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

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

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

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

 import org.kuali.rice.kew.rule.WorkflowAttributeValidationError;

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

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

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

 import org.kuali.rice.kew.web.KeyValueSort;

 import org.kuali.rice.kim.bo.Group;

 import org.kuali.rice.kim.bo.Person;

 import org.kuali.rice.kim.bo.entity.dto.KimEntityNamePrincipalNameInfo;

 import org.kuali.rice.kim.service.KIMServiceLocator;

 import org.kuali.rice.kns.UserSession;

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

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

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

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

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

 import java.math.BigDecimal;

 import java.sql.ResultSet;

 import java.sql.SQLException;

 import java.sql.Statement;

 import java.sql.Timestamp;

 import java.text.SimpleDateFormat;

 import java.util.ArrayList;

 import java.util.Arrays;

 import java.util.Calendar;

 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.Set;

 import java.util.TreeSet;

 /**

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public class StandardDocumentSearchGenerator implements DocumentSearchGenerator {

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

     private static final String ROUTE_NODE_TABLE = "KREW_RTE_NODE_T";

     private static final String ROUTE_NODE_INST_TABLE = "KREW_RTE_NODE_INSTN_T";

     private static final String DATABASE_WILDCARD_CHARACTER_STRING = "%";

     private static final char DATABASE_WILDCARD_CHARACTER = DATABASE_WILDCARD_CHARACTER_STRING.toCharArray()[0];

     private static List<SearchableAttribute> searchableAttributes;

     private static DocSearchCriteriaDTO criteria;

     private static String searchingUser;

     private boolean isProcessResultSet = true;

     private DatabasePlatform dbPlatform;

     private MessageMap messageMap;

     private SqlBuilder sqlBuilder = null;

     public StandardDocumentSearchGenerator() {

         super();

         searchableAttributes = new ArrayList<SearchableAttribute>();

     }

     /**

      * @param searchableAttributes in a list

      */

     public StandardDocumentSearchGenerator(List<SearchableAttribute> searchableAttributes) {

         this();

         StandardDocumentSearchGenerator.searchableAttributes = searchableAttributes;

     }

     public DocSearchCriteriaDTO getCriteria() {

         return criteria;

     }

     public void setCriteria(DocSearchCriteriaDTO criteria) {

         StandardDocumentSearchGenerator.criteria = criteria;

     }

     public List<SearchableAttribute> getSearchableAttributes() {

         return searchableAttributes;

     }

     public void setSearchableAttributes(List<SearchableAttribute> searchableAttributes) {

         this.searchableAttributes = searchableAttributes;

     }

     public String getSearchingUser() {

         return searchingUser;

     }

     public void setSearchingUser(String searchingUser) {

         StandardDocumentSearchGenerator.searchingUser = searchingUser;

     }

     public DocSearchCriteriaDTO clearSearch(DocSearchCriteriaDTO searchCriteria) {

         return new DocSearchCriteriaDTO();

     }

     public List<WorkflowServiceError> performPreSearchConditions(String principalId, DocSearchCriteriaDTO searchCriteria) {

         setCriteria(searchCriteria);

         return new ArrayList<WorkflowServiceError>();

     }

     public SearchAttributeCriteriaComponent getSearchableAttributeByFieldName(String name) {

         if (StringUtils.isBlank(name)) {

             throw new IllegalArgumentException("Attempted to find Searchable Attribute with blank Field name '" + name + "'");

         }

         for (SearchAttributeCriteriaComponent critComponent : getCriteria().getSearchableAttributes())

         {

             if (name.equals(critComponent.getFormKey()))

             {

                 return critComponent;

             }

         }

         return null;

     }

     public void addErrorMessageToList(List<WorkflowServiceError> errors, String message) {

         errors.add(new WorkflowServiceErrorImpl(message,"general.message",message));

     }

     /* (non-Javadoc)

      * @see org.kuali.rice.kew.docsearch.DocumentSearchGenerator#executeSearch(org.kuali.rice.kew.docsearch.DocSearchCriteriaDTO, org.kuali.rice.core.database.platform.DatabasePlatform)

      */

     public String generateSearchSql(DocSearchCriteriaDTO searchCriteria) {

         setCriteria(searchCriteria);

         return getDocSearchSQL();

     }

     public DocumentType getValidDocumentType(String documentTypeFullName) {

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

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

             if (documentType == null) {

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

             }

             return documentType;

         }

         return null;

     }

     /* (non-Javadoc)

      * @see org.kuali.rice.kew.docsearch.DocumentSearchGenerator#validateSearchableAttributes()

      */

     public List<WorkflowServiceError> validateSearchableAttributes(DocSearchCriteriaDTO searchCriteria) {

         setCriteria(searchCriteria);

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

         List<SearchAttributeCriteriaComponent> searchableAttributes = criteria.getSearchableAttributes();

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

             Map<String, Object> paramMap = new HashMap<String, Object>();

             for (SearchAttributeCriteriaComponent component : searchableAttributes) {

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

                     paramMap.put(component.getFormKey(),component.getValues());

                 } else {

                     paramMap.put(component.getFormKey(),component.getValue());

                 }

             }

             DocumentType documentType = getValidDocumentType(criteria.getDocTypeFullName());

             try {

                 for (SearchableAttribute searchableAttribute : documentType.getSearchableAttributes()) {

                     List<WorkflowAttributeValidationError> searchableErrors = validateSearchableAttribute(

                             searchableAttribute, paramMap, DocSearchUtils.getDocumentSearchContext("", documentType.getName(), ""));

                     if(!CollectionUtils.isEmpty(searchableErrors)){

                         for (WorkflowAttributeValidationError error : searchableErrors) {

                                     if (error.getMessageMap() != null && error.getMessageMap().hasErrors()) {

                                             // In order to pass the map along we've added a member to the WorkflowServiceErrorImpl

                                             errors.add(new WorkflowServiceErrorImpl(error.getKey(), "routetemplate.xmlattribute.error", 

                                                             error.getMessage(), null, error.getMessageMap()));

                                     } else {

                             errors.add(new WorkflowServiceErrorImpl(error.getKey(), "routetemplate.xmlattribute.error", error.getMessage()));

                         }

                     }

                 }

                     }

             } catch (Exception e) {

                 LOG.error("error finding searchable attribute in when validating document search criteria.", e);

             }

         }

         return errors;

     }

     public List<WorkflowAttributeValidationError> validateSearchableAttribute(

             SearchableAttribute searchableAttribute, Map searchAttributesParameterMap, DocumentSearchContext documentSearchContext) {

         return searchableAttribute.validateUserSearchInputs(searchAttributesParameterMap, documentSearchContext);

     }

     private Class getSearchableAttributeClass(SearchableAttributeValue sav){

         if(sav instanceof SearchableAttributeDateTimeValue){

             return Timestamp.class;

         }else if(sav instanceof SearchableAttributeFloatValue){

             return Float.TYPE;

         }else if(sav instanceof SearchableAttributeLongValue){

             return Long.TYPE;

         }else if(sav instanceof SearchableAttributeStringValue){

             return String.class;

         }else{

             return null;

         }

     }

     /**

      * Cleans upper bounds on an entire list of values.

      * @param stringDates list

      * @return list of dates

      */

     private static List<String> cleanUpperBounds(List<String> stringDates) {

         List<String> lRet = null;

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

             lRet = new ArrayList<String>();

             for(String stringDate:stringDates){

                 lRet.add(cleanUpperBound(stringDate));

             }

         }

         return lRet;

     }

     /**

      * When dealing with upperbound dates, it is a business requirement that if a timestamp isn't already

      * stated append 23:59:59 to the end of the date.  This ensures that you are searching for the entire

      * day.

      * @param stringDate

      * @return upper bound date

      */

     private static String cleanUpperBound(String stringDate){

         try{

             java.sql.Timestamp dt = KNSServiceLocator.getDateTimeService().convertToSqlTimestamp(stringDate);

             SimpleDateFormat sdfTime = new SimpleDateFormat("HH:mm:ss");

             if("00:00:00".equals(sdfTime.format(dt))){

                 stringDate = stringDate + " 23:59:59";

             }

         } catch (Exception ex){

             GlobalVariables.getMessageMap().putError(KNSConstants.DOCUMENT_ERRORS, RiceKeyConstants.ERROR_CUSTOM, new String[] { "Invalid Date Input: " + stringDate });

         }

         return stringDate;

     }

     /**

      *

      * This method takes in any valid date string, like <12/30/09 and convert

      * it into <12/30/09 23:59:59, but only for upper bound type values.

      *

      *  This method only really cares about .., <, <=. other operators

      *  are not evaluated.

      *

      * In order to do this it has to parse the inline date string

      *

      * @param propertyValue

      * @return

      */

     private static String parseAndConvertDateToRange(String propertyValue) {

         String sRet = propertyValue;

         if (StringUtils.contains(propertyValue, KNSConstants.BETWEEN_OPERATOR)) {

             String[] rangeValues = propertyValue.split("\\.\\."); // this translate to the .. operator

             sRet = ObjectUtils.clean(rangeValues[0].trim())+ " .. " + cleanUpperBound(ObjectUtils.clean(rangeValues[1].trim()));

         }  else if (propertyValue.startsWith("<=")) {

             sRet = "<=" + cleanUpperBound(ObjectUtils.clean(propertyValue));

         }  else if (propertyValue.startsWith("<")) {

             sRet = "<" + cleanUpperBound(ObjectUtils.clean(propertyValue));

         }

         return sRet;

     }

     /**

      *

      * This method is intended to validate that the lower bound value is <= the upper bound value.  Although having a lower

      * value would not hurt the actual db query.  Only relevant to be called when you are dealing with Range Searchable Attributes

      *

      * If an error is found, it will throw a RuntimeException.

      *

      * @param lowerBound

      * @param upperBound

      */

     private void validateBounds(SearchAttributeCriteriaComponent lowerBound, SearchAttributeCriteriaComponent upperBound){

         Class type = getSearchableAttributeClass(lowerBound.getSearchableAttributeValue());

         Class upperType = getSearchableAttributeClass(upperBound.getSearchableAttributeValue());

         // Make sure they are of the same data type

         if(type.getName().compareTo(upperType.getName()) != 0){

             String err = "Type Mismatch. Must compare two like types";

             LOG.error("validateBounds() " + err);

             throw new RuntimeException(err);

         }

         String errorMsg = "The search attribute range values are out of order. Lower bound must be <= Upper Bound. ["

             + lowerBound.getValue() + ", " + upperBound.getValue() + "] for type " + type.getName();

         if(TypeUtils.isIntegralClass(type) || TypeUtils.isDecimalClass(type)){

             // The clean numeric will work with both integer and float values

             BigDecimal lVal = SqlBuilder.stringToBigDecimal(lowerBound.getValue());

             BigDecimal uVal = SqlBuilder.stringToBigDecimal(upperBound.getValue());

             if(lVal.compareTo(uVal) > 0){

                 LOG.error("validateBounds() " + errorMsg);

                 throw new RuntimeException(errorMsg);

             }

         }else if(TypeUtils.isTemporalClass(type)){

             java.sql.Timestamp lVal = null;

             java.sql.Timestamp uVal = null;

             try{

                 lVal = KNSServiceLocator.getDateTimeService().convertToSqlTimestamp(lowerBound.getValue());

                 uVal = KNSServiceLocator.getDateTimeService().convertToSqlTimestamp(upperBound.getValue());

             }catch(Exception ex){

                 LOG.error("validateBounds() " + errorMsg);

                 throw new RuntimeException(errorMsg, ex);

             }

             if(lVal.compareTo(uVal) > 0){

                 LOG.error("validateBounds() " + errorMsg);

                 throw new RuntimeException(errorMsg);

             }

         }else if(TypeUtils.isStringClass(type)){

             // this is a complete edge case that should not be allowed to happen but

             // the XSD states that it's valid.

             if(lowerBound.isCaseSensitive() != upperBound.isCaseSensitive()){

                 LOG.warn("validateBounds(): Cannot Validate because mismatch case sensitivity ["

                         + lowerBound.getValue() + ", " + upperBound.getValue() + "] for type " + type.getName());

             }else if(lowerBound.isCaseSensitive()){

                 if(lowerBound.getValue().compareTo(upperBound.getValue()) > 0){

                     LOG.error("validateBounds() " + errorMsg);

                     throw new RuntimeException(errorMsg);

                 }

             }else{

                 if(lowerBound.getValue().compareToIgnoreCase(upperBound.getValue()) > 0){

                     LOG.error("validateBounds() " + errorMsg);

                     throw new RuntimeException(errorMsg);

                 }

             }

         }

     }

     /**

      *

      * This method takes in a list of searchable attributes and pulls out range componets, combines them

      * and adds them back into the original list.

      *

      *  for any upperbound that does not have a timestamp, add one that's 23:59:59

      *

      *  for non range attributes it checks to see if it's a standard no time date and converts

      *  it to a "between".

      *

      * so sa list: a, b, cR1, d, e, cR2

      * returns: a, b, cR,

      * @param searchableAttributes the contents of this list can be altered

      *

      */

     private void combineAndFormatSearchableComponents(

             List<SearchAttributeCriteriaComponent> searchableAttributes) {

         Map<String, List<SearchAttributeCriteriaComponent>> searchableAttributeRangeComponents = new HashMap<String, List<SearchAttributeCriteriaComponent>>();

         for (SearchAttributeCriteriaComponent criteriaComponent : searchableAttributes)

         {

             if (!criteriaComponent.isSearchable())

             {

                 continue;

             }

             SearchableAttributeValue searchAttribute = criteriaComponent.getSearchableAttributeValue();

             if (searchAttribute == null)

             {

                 // key given for propertyField must not be on document

                 String errorMsg = "The search attribute value associated with key '"

                         + criteriaComponent.getSavedKey() + "' cannot be found";

                 LOG.error("getSearchableAttributeSql() " + errorMsg);

                 throw new RuntimeException(errorMsg);

             }

             Class clazz = getSearchableAttributeClass(searchAttribute);

             if (criteriaComponent.isRangeSearch())

             {

                 if (searchableAttributeRangeComponents.containsKey(criteriaComponent.getSavedKey()))

                 {

                     List<SearchAttributeCriteriaComponent> criteriaComponents = searchableAttributeRangeComponents.get(criteriaComponent.getSavedKey());

                     List<SearchAttributeCriteriaComponent> newCriteriaComponents = new ArrayList<SearchAttributeCriteriaComponent>();

                     newCriteriaComponents.addAll(criteriaComponents);

                     newCriteriaComponents.add(criteriaComponent);

                     searchableAttributeRangeComponents.put(criteriaComponent.getSavedKey(), newCriteriaComponents);

                 } else

                 {

                     searchableAttributeRangeComponents.put(criteriaComponent.getSavedKey(),

                             Arrays.asList(criteriaComponent)

                     );

                 }

                 // we need to make sure the dates are converted based on case.

                 // for upperbound

                 if (TypeUtils.isTemporalClass(clazz) && criteriaComponent.isComponentUpperBoundValue())

                 {

                     criteriaComponent.setValue(cleanUpperBound(criteriaComponent.getValue()));

                     criteriaComponent.setValues(cleanUpperBounds(criteriaComponent.getValues()));

                 }

             } else

             {

                 if (TypeUtils.isTemporalClass(clazz))

                 {

                     criteriaComponent.setValue(criteriaComponent.getValue());

                 }

             }

         }

         // we combined the attributes above into a map of lists. Now for each

         // key, make one SA.

         for (String keyName : searchableAttributeRangeComponents.keySet()) {

             List<SearchAttributeCriteriaComponent> criteriaComponents = searchableAttributeRangeComponents

                     .get(keyName);

             SearchAttributeCriteriaComponent newComp = null;

             SearchAttributeCriteriaComponent lowerBound = null;

             SearchAttributeCriteriaComponent upperBound = null;

             for (SearchAttributeCriteriaComponent component : criteriaComponents) {

                 if (component.isComponentLowerBoundValue()) {

                     lowerBound = component;

                 } else if (component.isComponentUpperBoundValue()) {

                     upperBound = component;

                 } else {

                     String errorMsg = "The search attribute value associated with key '"

                             + component.getSavedKey()

                             + "' is not upper or lower bound";

                     LOG.error("getSearchableAttributeSql() " + errorMsg);

                     throw new RuntimeException(errorMsg);

                 }

             }

             // now we have both the upper and lower if they exist. lets make a

             // new single component.

             if (lowerBound != null && upperBound != null) { // between case

                 // we need to check and make sure a < b for range values

                 validateBounds(lowerBound, upperBound);

                 // we need to do this if the search is NOT inclusive. if

                 // that's the case then

                 // the between operator does not work.

                 lowerBound.setRangeSearch(false);

                 upperBound.setRangeSearch(false);

                 if (lowerBound.isSearchInclusive()) {

                     lowerBound.setValue(">=" + lowerBound.getValue());

                 } else {

                     lowerBound.setValue(">" + lowerBound.getValue());

                 }

                 if (upperBound.isSearchInclusive()) {

                     upperBound.setValue("<=" + upperBound.getValue());

                 } else {

                     upperBound.setValue("<" + upperBound.getValue());

                 }

             } else if (lowerBound != null) {

                 newComp = new SearchAttributeCriteriaComponent(lowerBound

                         .getFormKey(), null, false);

                 if (lowerBound.isSearchInclusive()) {

                     newComp.setValue(">=" + lowerBound.getValue());

                 } else {

                     newComp.setValue(">" + lowerBound.getValue());

                 }

                 newComp.setSearchInclusive(lowerBound.isSearchInclusive());

                 newComp.setCaseSensitive(lowerBound.isCaseSensitive());

                 newComp.setAllowInlineRange(lowerBound.isAllowInlineRange());

                 newComp.setCanHoldMultipleValues(lowerBound

                         .isCanHoldMultipleValues());

                 newComp.setLookupableFieldType(lowerBound

                         .getLookupableFieldType());

                 newComp.setSearchable(true);

                 newComp.setSearchableAttributeValue(lowerBound

                         .getSearchableAttributeValue());

                 newComp.setSavedKey(lowerBound.getSavedKey());

                 searchableAttributes.add(newComp);

             } else if (upperBound != null) {

                 newComp = new SearchAttributeCriteriaComponent(upperBound

                         .getFormKey(), null, false);

                 if (upperBound.isSearchInclusive()) {

                     newComp.setValue("<=" + upperBound.getValue());

                 } else {

                     newComp.setValue("<" + upperBound.getValue());

                 }

                 newComp.setSearchInclusive(upperBound.isSearchInclusive());

                 newComp.setCaseSensitive(upperBound.isCaseSensitive());

                 newComp.setAllowInlineRange(upperBound.isAllowInlineRange());

                 newComp.setCanHoldMultipleValues(upperBound.isCanHoldMultipleValues());

                 newComp.setLookupableFieldType(upperBound.getLookupableFieldType());

                 newComp.setSearchable(true);

                 newComp.setSearchableAttributeValue(upperBound.getSearchableAttributeValue());

                 newComp.setSavedKey(upperBound.getSavedKey());

                 searchableAttributes.add(newComp);

             }

         }

         // last step is to remove all range items from the list because we have

         // just combined them into single elements

         for (Iterator<SearchAttributeCriteriaComponent> iterator = searchableAttributes.iterator(); iterator

                 .hasNext();) {

             SearchAttributeCriteriaComponent criteriaComponent = (SearchAttributeCriteriaComponent) iterator

                     .next();

             if (!criteriaComponent.isSearchable()) {

                 continue;

             }

             if (criteriaComponent.isRangeSearch()) {

                 iterator.remove();

             }

         }

     }

     public QueryComponent getSearchableAttributeSql(List<SearchAttributeCriteriaComponent> searchableAttributes, String whereClausePredicatePrefix) {

         /*

          * This method still isn't complete. It now is a hybrid of the old and new way of generating the sql.

          * It's still using the old way to build the select and from parts of the statement, with the new part generating

          * the where.  The new way allows for operators and should clear up a lot of the date issues.

          */

         // this will massage the data and change all range attributes into std ones.

         combineAndFormatSearchableComponents(searchableAttributes);

         StringBuffer fromSql = new StringBuffer();

         StringBuffer whereSql = new StringBuffer();

         int tableIndex = 1;

         String tableAlias = "EXT" + tableIndex;

         Map<String, List<SearchAttributeCriteriaComponent>> searchableAttributeRangeComponents = new HashMap<String,List<SearchAttributeCriteriaComponent>>();

         Criteria finalCriteria = null;

         for (Iterator<SearchAttributeCriteriaComponent> iterator = searchableAttributes.iterator(); iterator.hasNext(); tableIndex++) {

             SearchAttributeCriteriaComponent criteriaComponent = iterator.next();

             if (!criteriaComponent.isSearchable()) {

                 continue;

             }

             SqlBuilder sqlBuild = this.getSqlBuilder();

             SearchableAttributeValue searchAttribute = criteriaComponent.getSearchableAttributeValue();

             if (searchAttribute == null) {

                 // key given for propertyField must not be on document

                 String errorMsg = "The search attribute value associated with key '" + criteriaComponent.getSavedKey() + "' cannot be found";

                 LOG.error("getSearchableAttributeSql() " + errorMsg);

                 throw new RuntimeException(errorMsg);

             }

             tableAlias = "EXT" + tableIndex;

             Class c = getSearchableAttributeClass(searchAttribute);

             boolean addCaseInsensitivityForValue = (!criteriaComponent.isCaseSensitive()) && criteriaComponent.getSearchableAttributeValue().allowsCaseInsensitivity();

             Criteria crit = null;

             List<String> searchValues = criteriaComponent.getValues();

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

                 crit = new Criteria(searchAttribute.getAttributeTableName(), tableAlias);

                 crit.setDbPlatform(sqlBuild.getDbPlatform());

                 crit.in("VAL", criteriaComponent.getValues(), c);

             } else {

                 crit = sqlBuild.createCriteria("VAL", criteriaComponent.getValue() , searchAttribute.getAttributeTableName(), tableAlias, c, addCaseInsensitivityForValue, searchAttribute.allowsWildcards());

             }

             sqlBuild.addCriteria("KEY_CD", criteriaComponent.getSavedKey(), String.class, false, false, crit); // this is always of type string.

             sqlBuild.andCriteria("DOC_HDR_ID", tableAlias + ".DOC_HDR_ID", "KREW_DOC_HDR_T", "DOC_HDR", TypeUtils.JoinType.class, false, false, crit);

             if(finalCriteria == null ){

                 finalCriteria = crit;

             }else{

                 sqlBuild.andCriteria(finalCriteria, crit);

             }

             // - below is the old code

             // if where clause is empty then use passed in prefix... otherwise generate one

             String whereClausePrefix = (whereSql.length() == 0) ? whereClausePredicatePrefix : getGeneratedPredicatePrefix(whereSql.length());

             QueryComponent qc = generateSearchableAttributeSql(criteriaComponent, whereClausePrefix, tableIndex);

             fromSql.append(qc.getFromSql());

         }

         for (String keyName : searchableAttributeRangeComponents.keySet()) {

             List<SearchAttributeCriteriaComponent> criteriaComponents = searchableAttributeRangeComponents.get(keyName);

             // if where clause is empty then use passed in prefix... otherwise generate one

             String whereClausePrefix = (whereSql.length() == 0) ? whereClausePredicatePrefix : getGeneratedPredicatePrefix(whereSql.length());

             QueryComponent qc = generateSearchableAttributeRangeSql(keyName, criteriaComponents, whereClausePrefix, tableIndex);

             fromSql.append(qc.getFromSql());

         }

         if (finalCriteria == null) {

             return new QueryComponent("", "", "");

         }

         String whereClausePrefix = (whereSql.length() == 0) ? whereClausePredicatePrefix : getGeneratedPredicatePrefix(whereSql.length());

         return new QueryComponent("",fromSql.toString(),whereClausePrefix + " "+ finalCriteria.buildWhere());

     }

     public QueryComponent generateSearchableAttributeSql(SearchAttributeCriteriaComponent criteriaComponent,String whereSqlStarter,int tableIndex) {

         String tableIdentifier = "EXT" + tableIndex;

         String queryTableColumnName = tableIdentifier + ".VAL";

         QueryComponent joinSqlComponent = getSearchableAttributeJoinSql(criteriaComponent.getSearchableAttributeValue(), tableIdentifier, whereSqlStarter, criteriaComponent.getSavedKey());

         StringBuffer fromSql = new StringBuffer(joinSqlComponent.getFromSql());

         StringBuffer whereSql = new StringBuffer(joinSqlComponent.getWhereSql());

         // removed because we pull the where from somewhere else now.

         //whereSql.append(generateSearchableAttributeDefaultWhereSql(criteriaComponent, queryTableColumnName));

         return new QueryComponent("",fromSql.toString(),whereSql.toString());

     }

     public QueryComponent generateSearchableAttributeRangeSql(String searchAttributeKeyName, List<SearchAttributeCriteriaComponent> criteriaComponents,String whereSqlStarter,int tableIndex) {

         StringBuffer fromSql = new StringBuffer();

         StringBuffer whereSql = new StringBuffer();

         boolean joinAlreadyPerformed = false;

         String tableIdentifier = "EXT" + tableIndex;

         String queryTableColumnName = tableIdentifier + ".VAL";

         for (SearchAttributeCriteriaComponent criteriaComponent : criteriaComponents) {

             if (!searchAttributeKeyName.equals(criteriaComponent.getSavedKey())) {

                 String errorMsg = "Key value of searchable attribute component with savedKey '" + criteriaComponent.getSavedKey() + "' does not match specified savedKey value '" + searchAttributeKeyName + "'";

                 LOG.error("generateSearchableAttributeRangeSql() " + errorMsg);

                 throw new RuntimeException(errorMsg);

             }

             if (!joinAlreadyPerformed) {

                 QueryComponent joinSqlComponent = getSearchableAttributeJoinSql(criteriaComponent.getSearchableAttributeValue(), tableIdentifier, whereSqlStarter, searchAttributeKeyName);

                 fromSql.append(joinSqlComponent.getFromSql());

                 whereSql.append(joinSqlComponent.getWhereSql());

                 joinAlreadyPerformed = true;

             }

             whereSql.append(generateSearchableAttributeDefaultWhereSql(criteriaComponent, queryTableColumnName));

         }

         return new QueryComponent("",fromSql.toString(),whereSql.toString());

     }

     public StringBuilder generateSearchableAttributeDefaultWhereSql(SearchAttributeCriteriaComponent criteriaComponent,String queryTableColumnName) {

         StringBuilder whereSql = new StringBuilder();

         String initialClauseStarter = "and";

 //        whereSql.append(" " + initialClauseStarter + " ");

         boolean valueIsDate = (criteriaComponent.getSearchableAttributeValue() instanceof SearchableAttributeDateTimeValue);

         boolean valueIsString = (criteriaComponent.getSearchableAttributeValue() instanceof SearchableAttributeStringValue);

         boolean valueIsLong = (criteriaComponent.getSearchableAttributeValue() instanceof SearchableAttributeLongValue);

         boolean valueIsFloat = (criteriaComponent.getSearchableAttributeValue() instanceof SearchableAttributeFloatValue);

         boolean addCaseInsensitivityForValue = (!criteriaComponent.isCaseSensitive()) && criteriaComponent.getSearchableAttributeValue().allowsCaseInsensitivity();

         String attributeValueSearched = criteriaComponent.getValue();

         List<String> attributeValuesSearched = criteriaComponent.getValues();

         StringBuilder whereSqlTemp = new StringBuilder();

         if (valueIsDate) {

             if (criteriaComponent.isRangeSearch()) {

                 // for a range search just add the criteria

                 whereSqlTemp.append(constructWhereClauseDateElement(initialClauseStarter, queryTableColumnName, criteriaComponent.isSearchInclusive(), criteriaComponent.isComponentLowerBoundValue(), attributeValueSearched));

             } else if(criteriaComponent.isAllowInlineRange()) {

                 whereSqlTemp.append(constructWhereClauseDateElement(initialClauseStarter, queryTableColumnName, criteriaComponent.isSearchInclusive(), false, attributeValueSearched, criteriaComponent.isAllowInlineRange()));

             } else {

                 if (!CollectionUtils.isEmpty(attributeValuesSearched)) {

                     // for a multivalue date search we need multiple ranges entered

                     whereSqlTemp.append(initialClauseStarter).append(" (");

                     boolean firstValue = true;

                     for (String attributeValueEntered : attributeValuesSearched) {

                         whereSqlTemp.append(" ( ");

                         whereSqlTemp.append(constructWhereClauseDateElement("", queryTableColumnName, criteriaComponent.isSearchInclusive(), true, attributeValueEntered));

                         whereSqlTemp.append(constructWhereClauseDateElement("and", queryTableColumnName, criteriaComponent.isSearchInclusive(), false, attributeValueEntered));

                         whereSqlTemp.append(" ) ");

                         String separator = " or ";

                         if (firstValue) {

                             firstValue = false;

                             separator = "";

                         }

                         whereSqlTemp.append(separator);

                     }

                     whereSqlTemp.append(") ");

                 } else {

                     // below is a search for a single date field.... must do a range of 'time' so we can find any value regardless of the time associated with it

                     whereSqlTemp.append(constructWhereClauseDateElement(initialClauseStarter, queryTableColumnName, criteriaComponent.isSearchInclusive(), true, attributeValueSearched));

                     whereSqlTemp.append(constructWhereClauseDateElement(initialClauseStarter, queryTableColumnName, criteriaComponent.isSearchInclusive(), false, attributeValueSearched));

                 }

             }

         } else {

             boolean usingWildcards = false;

             StringBuffer prefix = new StringBuffer("");

             StringBuffer suffix = new StringBuffer("");

             if (valueIsString) {

                 prefix.append("'");

                 suffix.insert(0,"'");

             }

             // apply wildcarding if wildcard character is specified

             // after conversion of doc search to lookup, wildcards are always allowed

             if (!CollectionUtils.isEmpty(attributeValuesSearched)) {

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

                 for (String attributeValueEntered : attributeValuesSearched) {

                     newList.add(attributeValueEntered.trim().replace('*', DATABASE_WILDCARD_CHARACTER));

                     usingWildcards |= (attributeValueEntered.contains(DATABASE_WILDCARD_CHARACTER_STRING));

                 }

                 attributeValuesSearched = newList;

             } else {

                 attributeValueSearched = attributeValueSearched.trim().replace('*', DATABASE_WILDCARD_CHARACTER);

                 usingWildcards |= (attributeValueSearched.indexOf(DATABASE_WILDCARD_CHARACTER_STRING) != -1);

             }

             String prefixToUse = prefix.toString();

             String suffixToUse = suffix.toString();

             if (addCaseInsensitivityForValue) {

                 queryTableColumnName = "upper(" + queryTableColumnName + ")";

                 prefixToUse = "upper(" + prefix.toString();

                 suffixToUse = suffix.toString() + ")";

             }

             if (!CollectionUtils.isEmpty(attributeValuesSearched)) {

                 // for a multivalue search we need multiple 'or' clause statements entered

                 whereSqlTemp.append(initialClauseStarter).append(" (");

                 boolean firstValue = true;

                 for (String attributeValueEntered : attributeValuesSearched) {

                     checkNumberFormattingIfNumeric(attributeValueEntered, valueIsLong, valueIsFloat);

                     String separator = " or ";

                     if (firstValue) {

                         firstValue = false;

                         separator = "";

                     }

                     String sqlOperand = getSqlOperand(criteriaComponent.isRangeSearch(), criteriaComponent.isSearchInclusive(), (criteriaComponent.isRangeSearch() && criteriaComponent.isComponentLowerBoundValue()), usingWildcards);

                     whereSqlTemp.append(constructWhereClauseElement(separator, queryTableColumnName, sqlOperand, getDbPlatform().escapeString(attributeValueEntered), prefixToUse, suffixToUse));

                 }

                 whereSqlTemp.append(") ");

             } else {

                 String sqlOperand = getSqlOperand(criteriaComponent.isRangeSearch(), criteriaComponent.isSearchInclusive(), (criteriaComponent.isRangeSearch() && criteriaComponent.isComponentLowerBoundValue()), usingWildcards);

               if(criteriaComponent.isAllowInlineRange()) {

                 for (String range : KNSConstants.RANGE_CHARACTERS) {

                         int index = StringUtils.indexOf(attributeValueSearched, range);

                     if(index != -1) {

                             sqlOperand=range;

                             if(!StringUtils.equals(sqlOperand, "..")) {

                                 attributeValueSearched = StringUtils.remove(attributeValueSearched, range);

                             } else {

                                 String[] rangeValues = StringUtils.split(attributeValueSearched, "..");

                                 if(rangeValues!=null && rangeValues.length>1) {

                                     checkNumberFormattingIfNumeric(rangeValues[0], valueIsLong, valueIsFloat);

                                     //append first one here and then set the second one and break

                                     whereSqlTemp.append(constructWhereClauseElement(initialClauseStarter, queryTableColumnName, ">=", getDbPlatform().escapeString(rangeValues[0]), prefixToUse, suffixToUse));

                                     attributeValueSearched = rangeValues[1];

                                     sqlOperand = "<=";

                                 } else {

                                     throw new RuntimeException("What to do here...Range search \"..\" without one element");

                                 }

                             }

                             break;

                         }

                     }

               }

                 checkNumberFormattingIfNumeric(attributeValueSearched, valueIsLong, valueIsFloat);

                 whereSqlTemp.append(constructWhereClauseElement(initialClauseStarter, queryTableColumnName, sqlOperand, getDbPlatform().escapeString(attributeValueSearched), prefixToUse, suffixToUse));

             }

         }

         whereSqlTemp.append(" ");

         return whereSql.append(whereSqlTemp);

     }

     /**

      *  Checks if a particular String value is supposed to be numeric, and, if so, will throw an exception if the String is not numeric.

      *

      * @param testValue The String to test.

      * @param valueIsLong Indicates if the input value should be a Long.

      * @param valueIsFloat Indicates if the input value should be a BigDecimal.

      * @throws RiceRuntimeException if the value is supposed to be numeric, but is not.

      */

     private void checkNumberFormattingIfNumeric(String testValue, boolean valueIsLong, boolean valueIsFloat) {

         if (valueIsLong) {

             try { Long.parseLong(testValue.trim()); }

             catch (Exception exc) { throw new RiceRuntimeException("Invalid number format", exc); }

         }

         if (valueIsFloat) {

             try { new BigDecimal(testValue.trim()); }

             catch (Exception exc) { throw new RiceRuntimeException("Invalid number format", exc); }

         }

     }

     public QueryComponent getSearchableAttributeJoinSql(SearchableAttributeValue attributeValue,String tableIdentifier,String whereSqlStarter,String attributeTableKeyColumnName) {

         return new QueryComponent("",generateSearchableAttributeFromSql(attributeValue, tableIdentifier).toString(),generateSearchableAttributeWhereClauseJoin(whereSqlStarter, tableIdentifier, attributeTableKeyColumnName).toString());

     }

     public StringBuffer generateSearchableAttributeWhereClauseJoin(String whereSqlStarter,String tableIdentifier,String attributeTableKeyColumnName) {

         StringBuffer whereSql = new StringBuffer(constructWhereClauseElement(whereSqlStarter, "DOC_HDR.DOC_HDR_ID", "=", getDbPlatform().escapeString(tableIdentifier + ".DOC_HDR_ID"), null, null));

         whereSql.append(constructWhereClauseElement(" and ", tableIdentifier + ".KEY_CD", "=", getDbPlatform().escapeString(attributeTableKeyColumnName), "'", "'"));

         return whereSql;

     }

     public StringBuffer generateSearchableAttributeFromSql(SearchableAttributeValue attributeValue,String tableIdentifier) {

         StringBuffer fromSql = new StringBuffer();

         String tableName = getDbPlatform().escapeString(attributeValue.getAttributeTableName());

         if (StringUtils.isBlank(tableName)) {

             String errorMsg = "The table name associated with Searchable Attribute with class '" + attributeValue.getClass() + "' returns as '" + tableName + "'";

             LOG.error("getSearchableAttributeSql() " + errorMsg);

             throw new RuntimeException(errorMsg);

         }

         fromSql.append(" ," + tableName + " " + getDbPlatform().escapeString(tableIdentifier) + " ");

         return fromSql;

     }

     public StringBuffer constructWhereClauseDateElement(String clauseStarter,String queryTableColumnName,boolean inclusive,boolean valueIsLowerBound,String dateValueToSearch) {

         return constructWhereClauseDateElement(clauseStarter, queryTableColumnName, inclusive, valueIsLowerBound, dateValueToSearch,false);

     }

     public StringBuffer constructWhereClauseDateElement(String clauseStarter,String queryTableColumnName,boolean inclusive,boolean valueIsLowerBound,String dateValueToSearch, boolean isAllowInlineRange) {

         StringBuffer whereSQLBuffer = new StringBuffer();

         StringBuffer sqlOperand = new StringBuffer(getSqlOperand(true, inclusive, valueIsLowerBound, false));

         String lowerTimeBound = "00:00:00";

         String upperTimeBound = "23:59:59";

         String timeValueToSearch = null;

         if (valueIsLowerBound) {

             timeValueToSearch = lowerTimeBound;

         } else {

             timeValueToSearch = upperTimeBound;

         }

         if(isAllowInlineRange) {

             for (String range : KNSConstants.RANGE_CHARACTERS) {

                 int index = StringUtils.indexOf(dateValueToSearch, range);

                 if(index != -1) {

                     sqlOperand=new StringBuffer(range);

                     if(!StringUtils.equals(sqlOperand.toString(), "..")) {

                         dateValueToSearch = StringUtils.remove(dateValueToSearch,range);

                         if(StringUtils.equals(range, ">")) {

                             timeValueToSearch = upperTimeBound;

                         } else if(StringUtils.equals(range, "<")){

                             timeValueToSearch = lowerTimeBound;

                         }

                     }  else {

                         String[] rangeValues = StringUtils.split(dateValueToSearch, "..");

                         if(rangeValues!=null && rangeValues.length>1) {

                             //Enhancement Idea - Could possibly use recursion here (would have to set the lower bound and inclusive variables

                             //append first one here and then set the second one and break

                             timeValueToSearch = lowerTimeBound;

                                                         whereSQLBuffer.append(constructWhereClauseElement(clauseStarter, queryTableColumnName, ">=", getDbPlatform().getDateSQL(getDbPlatform().escapeString(SQLUtils.getSqlFormattedDate(rangeValues[0].trim())), timeValueToSearch.trim()), "", ""));

                             dateValueToSearch = rangeValues[1];

                             sqlOperand = new StringBuffer("<=");

                             timeValueToSearch = upperTimeBound;

                         } else {

                             throw new RuntimeException("What to do here...Range search \"..\" without one element");

                         }

                     }

                     break;

                 }

             }

         }

                 return whereSQLBuffer.append(constructWhereClauseElement(clauseStarter, queryTableColumnName, sqlOperand.toString(), getDbPlatform().getDateSQL(getDbPlatform().escapeString(SQLUtils.getSqlFormattedDate(dateValueToSearch.trim())), timeValueToSearch.trim()), "", ""));

     }

     public StringBuffer constructWhereClauseElement(String clauseStarter,String queryTableColumnName,String operand,String valueToSearch,String valuePrefix,String valueSuffix) {

         StringBuffer whereSql = new StringBuffer();

         valuePrefix = (valuePrefix != null) ? valuePrefix : "";

         valueSuffix = (valueSuffix != null) ? valueSuffix : "";

         whereSql.append(" " + clauseStarter + " ").append(getDbPlatform().escapeString(queryTableColumnName)).append(" " + operand + " ").append(valuePrefix).append(valueToSearch).append(valueSuffix).append(" ");

         return whereSql;

     }

     /**

      * For the following we first check for a ranged search because a ranged search

      * does not allow for wildcards

      */

     public String getSqlOperand(boolean rangeSearch, boolean inclusive, boolean valueIsLowerBound, boolean usingWildcards) {

         StringBuffer sqlOperand = new StringBuffer("=");

         if (rangeSearch) {

             if (valueIsLowerBound) {

                 sqlOperand = new StringBuffer(">");

             } else {

                 sqlOperand = new StringBuffer("<");

             }

             if (inclusive) {

                 sqlOperand.append("=");

             }

         } else if (usingWildcards) {

             sqlOperand = new StringBuffer("like");

         }

         return sqlOperand.toString();

     }

     /**

      * @deprecated Removed as of version 0.9.3.  Use {@link #processResultSet(Statement, ResultSet, DocSearchCriteriaDTO, String)} instead.

      */

     public List<DocSearchDTO> processResultSet(Statement searchAttributeStatement, ResultSet resultSet,DocSearchCriteriaDTO searchCriteria) throws SQLException {

         String principalId = null;

         return processResultSet(searchAttributeStatement, resultSet, searchCriteria, principalId);

     }

     /**

      * @param resultSet

      * @param criteria

      * @return

      * @throws SQLException

      */

     public List<DocSearchDTO> processResultSet(Statement searchAttributeStatement, ResultSet resultSet,DocSearchCriteriaDTO searchCriteria, String principalId) throws SQLException {

         setCriteria(searchCriteria);

         int size = 0;

         List<DocSearchDTO> docList = new ArrayList<DocSearchDTO>();

         Map<Long, DocSearchDTO> resultMap = new HashMap<Long, DocSearchDTO>();

         PerformanceLogger perfLog = new PerformanceLogger();

         int iteration = 0;

         boolean resultSetHasNext = resultSet.next();

         while ( resultSetHasNext &&

                 ( (searchCriteria.getThreshold() == null) || (resultMap.size() < searchCriteria.getThreshold().intValue()) ) &&

                 ( (searchCriteria.getFetchLimit() == null) || (iteration < searchCriteria.getFetchLimit().intValue()) ) ) {

             iteration++;

             DocSearchDTO docCriteriaDTO = processRow(searchAttributeStatement, resultSet);

             docCriteriaDTO.setSuperUserSearch(getCriteria().getSuperUserSearch());

             if (!resultMap.containsKey(docCriteriaDTO.getRouteHeaderId())) {

                 docList.add(docCriteriaDTO);

                 resultMap.put(docCriteriaDTO.getRouteHeaderId(), docCriteriaDTO);

                 size++;

             } else {

                 // handle duplicate rows with different search data

                 DocSearchDTO previousEntry = (DocSearchDTO)resultMap.get(docCriteriaDTO.getRouteHeaderId());

                 handleMultipleDocumentRows(previousEntry, docCriteriaDTO);

             }

             resultSetHasNext = resultSet.next();

         }

         /**

          * Begin IU Customization

          * 05/01/2010 - Eric Westfall

          * EN-1792

          * 

          * Go through all doc search rows after they have been generated to fetch all names.  Attempting to

          * address some significance performance issues with doc search whenever none of the initiators on

          * the returned documents are cached.

          */

         Set<String> initiatorPrincipalIdSet = new HashSet<String>();

         for (DocSearchDTO docSearchRow : docList) {

                 initiatorPrincipalIdSet.add(docSearchRow.getInitiatorWorkflowId());

         }

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

         initiatorPrincipalIds.addAll(initiatorPrincipalIdSet);

         if(initiatorPrincipalIds != null && !initiatorPrincipalIds.isEmpty()){ // don't call the service if the search returned nothing.

                 Map<String, KimEntityNamePrincipalNameInfo> entityNames = KIMServiceLocator.getIdentityService().getDefaultNamesForPrincipalIds(initiatorPrincipalIds);

                 for (DocSearchDTO docSearchRow : docList) {

                         KimEntityNamePrincipalNameInfo name = entityNames.get(docSearchRow.getInitiatorWorkflowId());

                         if (name != null) {

                                 docSearchRow.setInitiatorFirstName(name.getDefaultEntityName().getFirstName());

                                 docSearchRow.setInitiatorLastName(name.getDefaultEntityName().getLastName());

                                 docSearchRow.setInitiatorName(name.getDefaultEntityName().getFormattedName());

                                 docSearchRow.setInitiatorNetworkId(name.getPrincipalName());

                                         if (StringUtils.isNotBlank(name.getDefaultEntityName().getFormattedName())) {

                                                 docSearchRow.setInitiatorTransposedName(name.getDefaultEntityName().getFormattedName());

                                         } else if (StringUtils.isNotBlank(name.getPrincipalName())) {

                                                 docSearchRow.setInitiatorTransposedName(name.getPrincipalName());

                                         } else {

                                                 docSearchRow.setInitiatorTransposedName(docSearchRow.getInitiatorWorkflowId());

                                         }

                                 // it doesn't look like the doc search code even uses the initiator email address for anything

                                 docSearchRow.setInitiatorEmailAddress("");

                         }

                 }

         }

         /**

          * End IU Customization

          */

         perfLog.log("Time to read doc search results.", true);

         // if we have threshold+1 results, then we have more results than we are going to display

         criteria.setOverThreshold(resultSetHasNext);

         final UserSession userSession = createUserSession(searchCriteria, principalId);

         if (userSession != null) {

             // TODO do we really want to allow the document search if there is no User Session?

             // This is mainly to allow for the unit tests to run but I wonder if we need to push

             // the concept of the "executing user" into the doc search api in some way...

             perfLog = new PerformanceLogger();

             SecuritySession securitySession = new SecuritySession(userSession);

             for (Iterator<DocSearchDTO> iterator = docList.iterator(); iterator.hasNext();) {

                 DocSearchDTO docCriteriaDTO = (DocSearchDTO) iterator.next();

                 if (!KEWServiceLocator.getDocumentSecurityService().docSearchAuthorized(userSession, docCriteriaDTO, securitySession)) {

                     iterator.remove();

                     criteria.setSecurityFilteredRows(criteria.getSecurityFilteredRows() + 1);

                 }

             }

             perfLog.log("Time to filter document search results for security.", true);

         }

         LOG.debug("Processed "+size+" document search result rows.");

         return docList;

     }

     private static UserSession createUserSession(DocSearchCriteriaDTO searchCriteria, String principalId) {

         UserSession userSession = GlobalVariables.getUserSession();

         if ( (userSession == null) && StringUtils.isNotBlank(principalId)) {

             LOG.info("Authenticated User Session is null... using parameter user: " + principalId);

             Person user = KIMServiceLocator.getPersonService().getPerson(principalId);

             if (user != null) {

                     userSession = new UserSession(user.getPrincipalName());

             }

         } else if (searchCriteria.isOverridingUserSession()) {

             if (principalId == null) {

                 LOG.error("Search Criteria specified UserSession override but given user paramter is null");

                 throw new WorkflowRuntimeException("Search criteria specified UserSession override but given user is null.");

             }

             LOG.info("Search Criteria specified UserSession override.  Using user: " + principalId);

             Person user = KIMServiceLocator.getPersonService().getPerson(principalId);

             if (user != null) {

                     userSession = new UserSession(user.getPrincipalName());

             }

         }

         return userSession;

     }

     /**

      * Handles multiple document rows by collapsing them and their data into the searchable attribute columns.

      *

      * TODO this is currently concatenating strings together with HTML elements, this seems bad in this location,

      * perhaps we should move this to the web layer (and perhaps enhance the searchable attributes

      * portion of the DocSearchDTO data structure?)

      */

     public void handleMultipleDocumentRows(DocSearchDTO existingRow, DocSearchDTO newRow) {

         for (KeyValueSort newData : newRow.getSearchableAttributes()) {

             String newRowValue = newData.getValue();

             boolean foundMatch = false;

             for (KeyValueSort existingData : existingRow.getSearchableAttributes()) {

                 if (existingData.getKey().equals(newData.getKey())) {

                     String existingRowValue = existingData.getValue();

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

                         String valueToSet = "";

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

                             valueToSet = newRowValue;

                         } else {

                             valueToSet = existingRowValue + "<br>" + newRowValue;

                         }

                         existingData.setValue(valueToSet);

                         if ( (existingData.getSortValue() == null) && (newData.getSortValue() != null) ) {

                             existingData.setSortValue(newData.getSortValue());

                         }

                     }

                     foundMatch = true;

                 }

             }

             if (!foundMatch) {

                 existingRow.addSearchableAttribute(new KeyValueSort(newData));

             }

         }

     }

     public DocSearchDTO processRow(Statement searchAttributeStatement, ResultSet rs) throws SQLException {

         DocSearchDTO docCriteriaDTO = new DocSearchDTO();

         docCriteriaDTO.setRouteHeaderId(new Long(rs.getLong("DOC_HDR_ID")));

         String docTypeLabel = rs.getString("LBL");

         String activeIndicatorCode = rs.getString("ACTV_IND");

         docCriteriaDTO.setDocRouteStatusCode(rs.getString("DOC_HDR_STAT_CD"));

         docCriteriaDTO.setDateCreated(rs.getTimestamp("CRTE_DT"));

         docCriteriaDTO.setDocumentTitle(rs.getString("TTL"));

         docCriteriaDTO.setDocTypeName(rs.getString("DOC_TYP_NM"));

         docCriteriaDTO.setDocTypeLabel(docTypeLabel);

         docCriteriaDTO.setAppDocStatus(rs.getString("APP_DOC_STAT"));

         if ((activeIndicatorCode == null) || (activeIndicatorCode.trim().length() == 0)) {

             docCriteriaDTO.setActiveIndicatorCode(KEWConstants.ACTIVE_CD);

         } else {

             docCriteriaDTO.setActiveIndicatorCode(activeIndicatorCode);

         }

         if ((docTypeLabel == null) || (docTypeLabel.trim().length() == 0)) {

             docCriteriaDTO.setDocTypeHandlerUrl("");

         } else {

             docCriteriaDTO.setDocTypeHandlerUrl(rs.getString("DOC_HDLR_URL"));

         }

         docCriteriaDTO.setInitiatorWorkflowId(rs.getString("INITR_PRNCPL_ID"));

         /**

          * Begin IU Customization

          * 05/01/2010 - Eric Westfall

          * EN-1792

          * 

          * Remove the code to fetch the person and principal from their services.  After all rows

          * have been fetched, we will process the names in one big bunch in the method that calls processRow.

          * So we will basically comment out all of the following code.

          */

         /*

         Person user = KIMServiceLocatorInternal.getPersonService().getPerson(docCriteriaDTO.getInitiatorWorkflowId());

         if (user != null) {

             KimPrincipal principal = KIMServiceLocator.getIdentityManagementService().getPrincipal(docCriteriaDTO.getInitiatorWorkflowId());

             docCriteriaDTO.setInitiatorNetworkId(user.getPrincipalName());

             docCriteriaDTO.setInitiatorName(user.getName());

             docCriteriaDTO.setInitiatorFirstName(user.getFirstName());

             docCriteriaDTO.setInitiatorLastName(user.getLastName());

             docCriteriaDTO.setInitiatorTransposedName(UserUtils.getTransposedName(GlobalVariables.getUserSession(), principal));

             docCriteriaDTO.setInitiatorEmailAddress(user.getEmailAddress());

         }

         */

         /**

          * End IU Customization

          */

         if (isUsingAtLeastOneSearchAttribute()) {

             populateRowSearchableAttributes(docCriteriaDTO,searchAttributeStatement);

         }

         return docCriteriaDTO;

     }

     /**

      * This method performs searches against the search attribute value tables (see classes implementing

      * {@link SearchableAttributeValue}) to get data to fill in search attribute values on the given docCriteriaDTO parameter

      *

      * @param docCriteriaDTO - document search result object getting search attributes added to it

      * @param searchAttributeStatement - statement being used to call the database for queries

      * @throws SQLException

      */

     public void populateRowSearchableAttributes(DocSearchDTO docCriteriaDTO, Statement searchAttributeStatement) throws SQLException {

         searchAttributeStatement.setFetchSize(50);

         Long documentId = docCriteriaDTO.getRouteHeaderId();

         List<SearchableAttributeValue> attributeValues = DocSearchUtils.getSearchableAttributeValueObjectTypes();

         PerformanceLogger perfLog = new PerformanceLogger(documentId);

         for (SearchableAttributeValue searchAttValue : attributeValues) {

             String attributeSql = "select KEY_CD, VAL from " + searchAttValue.getAttributeTableName() + " where DOC_HDR_ID = " + documentId;

             ResultSet attributeResultSet = null;

             try {

                 attributeResultSet = searchAttributeStatement.executeQuery(attributeSql);

                 while (attributeResultSet.next()) {

                     searchAttValue.setSearchableAttributeKey(attributeResultSet.getString("KEY_CD"));

                     searchAttValue.setupAttributeValue(attributeResultSet, "VAL");

                     if ( (!org.apache.commons.lang.StringUtils.isEmpty(searchAttValue.getSearchableAttributeKey())) && (searchAttValue.getSearchableAttributeValue() != null) ) {

                         docCriteriaDTO.addSearchableAttribute(new KeyValueSort(searchAttValue.getSearchableAttributeKey(),searchAttValue.getSearchableAttributeDisplayValue(),searchAttValue.getSearchableAttributeValue(),searchAttValue));

                     }

                 }

             } finally {

                 if (attributeResultSet != null) {

                     try {

                         attributeResultSet.close();

                     } catch (Exception e) {

                         LOG.warn("Could not close searchable attribute result set for class " + searchAttValue.getClass().getName(),e);

                     }

                 }

             }

         }

         perfLog.log("Time to execute doc search search attribute queries.", true);

     }

     /**

      * @deprecated As of version 0.9.3 this method is no longer used. Method

      *             {@link #populateRowSearchableAttributes(DocSearchDTO, Statement)} is being used instead.

      */

     @Deprecated

     public void populateRowSearchableAttributes(DocSearchDTO docCriteriaDTO, Statement searchAttributeStatement, ResultSet rs) throws SQLException {

         List<SearchableAttributeValue> searchAttributeValues = DocSearchUtils.getSearchableAttributeValueObjectTypes();

         for (SearchableAttributeValue searchAttValue : searchAttributeValues) {

             String prefixName = searchAttValue.getAttributeDataType().toUpperCase();

             searchAttValue.setSearchableAttributeKey(rs.getString(prefixName + "_KEY"));

             searchAttValue.setupAttributeValue(rs, prefixName + "_VALUE");

             if ( (!org.apache.commons.lang.StringUtils.isEmpty(searchAttValue.getSearchableAttributeKey())) && (searchAttValue.getSearchableAttributeValue() != null) ) {

             docCriteriaDTO.addSearchableAttribute(new KeyValueSort(searchAttValue.getSearchableAttributeKey(),searchAttValue.getSearchableAttributeDisplayValue(),searchAttValue.getSearchableAttributeValue(),searchAttValue));

             }

         }

     }

     public String getDocSearchSQL() {

         String docTypeTableAlias   = "DOC1";

         String docHeaderTableAlias = "DOC_HDR";

         String sqlPrefix = "Select * from (";

         String sqlSuffix = ") FINAL_SEARCH order by FINAL_SEARCH.DOC_HDR_ID desc";

         // the DISTINCT here is important as it filters out duplicate rows which could occur as the result of doc search extension values...

         StringBuffer selectSQL = new StringBuffer("select DISTINCT("+ docHeaderTableAlias +".DOC_HDR_ID), "+ docHeaderTableAlias +".INITR_PRNCPL_ID, "

                 + docHeaderTableAlias +".DOC_HDR_STAT_CD, "+ docHeaderTableAlias +".CRTE_DT, "+ docHeaderTableAlias +".TTL, "+ docHeaderTableAlias +".APP_DOC_STAT, "+ docTypeTableAlias +".DOC_TYP_NM, "

                 + docTypeTableAlias +".LBL, "+ docTypeTableAlias +".DOC_HDLR_URL, "+ docTypeTableAlias +".ACTV_IND");

         StringBuffer fromSQL = new StringBuffer(" from KREW_DOC_TYP_T "+ docTypeTableAlias +" ");