/*

  * Copyright 2007-2009 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.kim.document.rule;

 import java.sql.Timestamp;

 import java.util.HashMap;

 import java.util.HashSet;

 import java.util.List;

 import java.util.Map;

 import java.util.Set;

 import org.apache.commons.lang.StringUtils;

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

 import org.kuali.rice.core.xml.dto.AttributeSet;

 import org.kuali.rice.kim.bo.impl.RoleImpl;

 import org.kuali.rice.kim.bo.role.dto.KimPermissionInfo;

 import org.kuali.rice.kim.bo.role.dto.KimResponsibilityInfo;

 import org.kuali.rice.kim.bo.role.impl.KimResponsibilityImpl;

 import org.kuali.rice.kim.bo.types.dto.AttributeDefinitionMap;

 import org.kuali.rice.kim.bo.types.dto.KimTypeInfo;

 import org.kuali.rice.kim.bo.ui.KimDocumentRoleMember;

 import org.kuali.rice.kim.bo.ui.KimDocumentRolePermission;

 import org.kuali.rice.kim.bo.ui.KimDocumentRoleQualifier;

 import org.kuali.rice.kim.bo.ui.KimDocumentRoleResponsibility;

 import org.kuali.rice.kim.bo.ui.KimDocumentRoleResponsibilityAction;

 import org.kuali.rice.kim.bo.ui.RoleDocumentDelegationMember;

 import org.kuali.rice.kim.bo.ui.RoleDocumentDelegationMemberQualifier;

 import org.kuali.rice.kim.document.IdentityManagementRoleDocument;

 import org.kuali.rice.kim.lookup.KimTypeLookupableHelperServiceImpl;

 import org.kuali.rice.kim.rule.event.ui.AddDelegationEvent;

 import org.kuali.rice.kim.rule.event.ui.AddDelegationMemberEvent;

 import org.kuali.rice.kim.rule.event.ui.AddMemberEvent;

 import org.kuali.rice.kim.rule.event.ui.AddPermissionEvent;

 import org.kuali.rice.kim.rule.event.ui.AddResponsibilityEvent;

 import org.kuali.rice.kim.rule.ui.AddDelegationMemberRule;

 import org.kuali.rice.kim.rule.ui.AddDelegationRule;

 import org.kuali.rice.kim.rule.ui.AddMemberRule;

 import org.kuali.rice.kim.rule.ui.AddPermissionRule;

 import org.kuali.rice.kim.rule.ui.AddResponsibilityRule;

 import org.kuali.rice.kim.rules.ui.KimDocumentMemberRule;

 import org.kuali.rice.kim.rules.ui.KimDocumentPermissionRule;

 import org.kuali.rice.kim.rules.ui.KimDocumentResponsibilityRule;

 import org.kuali.rice.kim.rules.ui.RoleDocumentDelegationMemberRule;

 import org.kuali.rice.kim.rules.ui.RoleDocumentDelegationRule;

 import org.kuali.rice.kim.service.*;

 import org.kuali.rice.kim.service.impl.RoleServiceBase;

 import org.kuali.rice.kim.service.support.KimTypeService;

 import org.kuali.rice.kim.util.KimConstants;

 import org.kuali.rice.kns.datadictionary.AttributeDefinition;

 import org.kuali.rice.kns.document.Document;

 import org.kuali.rice.kns.rules.TransactionalDocumentRuleBase;

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

 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;

 /**

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

  */

 public class IdentityManagementRoleDocumentRule extends TransactionalDocumentRuleBase implements AddPermissionRule, AddResponsibilityRule, AddMemberRule, AddDelegationRule, AddDelegationMemberRule {

 //        protected static final Logger LOG = Logger.getLogger( IdentityManagementRoleDocumentRule.class );

     public static final int PRIORITY_NUMBER_MIN_VALUE = 1;

     public static final int PRIORITY_NUMBER_MAX_VALUE = 11;

         protected AddResponsibilityRule addResponsibilityRule;

         protected AddPermissionRule  addPermissionRule;

         protected AddMemberRule  addMemberRule;

         protected AddDelegationRule addDelegationRule;

         protected AddDelegationMemberRule addDelegationMemberRule;

         protected BusinessObjectService businessObjectService;

         protected ResponsibilityService responsibilityService;

         protected Class<? extends AddResponsibilityRule> addResponsibilityRuleClass = KimDocumentResponsibilityRule.class;

         protected Class<? extends AddPermissionRule> addPermissionRuleClass = KimDocumentPermissionRule.class;

         protected Class<? extends AddMemberRule> addMemberRuleClass = KimDocumentMemberRule.class;

         protected Class<? extends AddDelegationRule> addDelegationRuleClass = RoleDocumentDelegationRule.class;

         protected Class<? extends AddDelegationMemberRule> addDelegationMemberRuleClass = RoleDocumentDelegationMemberRule.class;

         protected IdentityService identityService;

         protected AttributeValidationHelper attributeValidationHelper = new AttributeValidationHelper();

         // KULRICE-4153

         protected ActiveRoleMemberHelper activeRoleMemberHelper = new ActiveRoleMemberHelper();

     public IdentityService getIdentityService() {

         if ( identityService == null) {

             identityService = KIMServiceLocator.getIdentityService();

         }

         return identityService;

     }

     @Override

     protected boolean processCustomSaveDocumentBusinessRules(Document document) {

         if (!(document instanceof IdentityManagementRoleDocument))

             return false;

         IdentityManagementRoleDocument roleDoc = (IdentityManagementRoleDocument)document;

         boolean valid = true;

         boolean validateRoleAssigneesAndDelegations = !KimTypeLookupableHelperServiceImpl.hasDerivedRoleTypeService(roleDoc.getKimType());

         GlobalVariables.getMessageMap().addToErrorPath(KNSConstants.DOCUMENT_PROPERTY_NAME);

         valid &= validDuplicateRoleName(roleDoc);

         valid &= validPermissions(roleDoc);

         valid &= validResponsibilities(roleDoc);

         getDictionaryValidationService().validateDocumentAndUpdatableReferencesRecursively(document, getMaxDictionaryValidationDepth(), true, false);

         validateRoleAssigneesAndDelegations &= validAssignRole(roleDoc);

         if(validateRoleAssigneesAndDelegations){

                 //valid &= validAssignRole(roleDoc);

                 // KULRICE-4153 & KULRICE-4818

                 // Use the Active Role Member Helper to retrieve only those Role Members & Delegation member that are active

                 // If a member or delegation is active on a Role, and they have an inactive Role Qualifier, Role Qualifier validation will fail

                 // If a member or delegation is inactive on a Role, and they have an inactive Role Qualifier, Role Qualifier validation will pass

                 List<KimDocumentRoleMember> activeRoleMembers = activeRoleMemberHelper.getActiveRoleMembers(roleDoc.getMembers());

                 List<RoleDocumentDelegationMember> activeRoleDelegationMembers = activeRoleMemberHelper.getActiveDelegationRoleMembers(roleDoc.getDelegationMembers());

                 valid &= validateRoleQualifier(activeRoleMembers, roleDoc.getKimType());

                 valid &= validRoleMemberActiveDates(roleDoc.getMembers());

                 valid &= validateDelegationMemberRoleQualifier(activeRoleMembers, activeRoleDelegationMembers, roleDoc.getKimType());

                 valid &= validDelegationMemberActiveDates(roleDoc.getDelegationMembers());

                 valid &= validRoleMembersResponsibilityActions(roleDoc.getMembers());

         }

         valid &= validRoleResponsibilitiesActions(roleDoc.getResponsibilities());

         GlobalVariables.getMessageMap().removeFromErrorPath(KNSConstants.DOCUMENT_PROPERTY_NAME);

         return valid;

     }

         protected boolean validAssignRole(IdentityManagementRoleDocument document){

         boolean rulePassed = true;

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

         additionalPermissionDetails.put(KimConstants.AttributeConstants.NAMESPACE_CODE, document.getRoleNamespace());

         additionalPermissionDetails.put(KimConstants.AttributeConstants.ROLE_NAME, document.getRoleName());

                 if((document.getMembers()!=null && document.getMembers().size()>0) ||

                                 (document.getDelegationMembers()!=null && document.getDelegationMembers().size()>0)){

                         if(!getDocumentHelperService().getDocumentAuthorizer(document).isAuthorizedByTemplate(

                                         document, KimConstants.NAMESPACE_CODE, KimConstants.PermissionTemplateNames.ASSIGN_ROLE, 

                                         GlobalVariables.getUserSession().getPrincipalId(), additionalPermissionDetails, null)){

                     rulePassed = false;

                         }

                 }

                 return rulePassed;

         }

     @SuppressWarnings("unchecked")

         protected boolean validDuplicateRoleName(IdentityManagementRoleDocument roleDoc){

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

             criteria.put("roleName", roleDoc.getRoleName());

             criteria.put("namespaceCode", roleDoc.getRoleNamespace());

             List<RoleImpl> roleImpls = (List<RoleImpl>)getBusinessObjectService().findMatching(RoleImpl.class, criteria);

             boolean rulePassed = true;

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

                     if(roleImpls.size()==1 && roleImpls.get(0).getRoleId().equals(roleDoc.getRoleId()))

                             rulePassed = true;

                     else{

                             GlobalVariables.getMessageMap().putError("document.roleName", 

                                             RiceKeyConstants.ERROR_DUPLICATE_ENTRY, new String[] {"Role Name"});

                             rulePassed = false;

                     }

             }

             return rulePassed;

     }

     protected boolean validRoleMemberActiveDates(List<KimDocumentRoleMember> roleMembers) {

             boolean valid = true;

                 int i = 0;

             for(KimDocumentRoleMember roleMember: roleMembers) {

                            valid &= validateActiveDate("document.members["+i+"].activeToDate", roleMember.getActiveFromDate(), roleMember.getActiveToDate());

                     i++;

             }

             return valid;

     }

     protected boolean validDelegationMemberActiveDates(List<RoleDocumentDelegationMember> delegationMembers) {

             boolean valid = true;

                 int i = 0;

             for(RoleDocumentDelegationMember delegationMember: delegationMembers) {

                            valid &= validateActiveDate("document.delegationMembers["+i+"].activeToDate", 

                                            delegationMember.getActiveFromDate(), delegationMember.getActiveToDate());

                     i++;

             }

             return valid;

     }

     protected boolean validPermissions(IdentityManagementRoleDocument document){

             KimPermissionInfo kimPermissionInfo;

             boolean valid = true;

             int i = 0;

             for(KimDocumentRolePermission permission: document.getPermissions()){

                     kimPermissionInfo = permission.getKimPermission();

                     if(!permission.isActive() && !hasPermissionToGrantPermission(permission.getKimPermission(), document)){

                     GlobalVariables.getMessageMap().putError("permissions["+i+"].active", RiceKeyConstants.ERROR_ASSIGN_PERMISSION, 

                                     new String[] {kimPermissionInfo.getNamespaceCode(), kimPermissionInfo.getTemplate().getName()});

                     valid = false;

                     }

                     i++;

             }

             return valid;

     }

     protected boolean validResponsibilities(IdentityManagementRoleDocument document){

             KimResponsibilityImpl kimResponsibilityImpl;

             boolean valid = true;

             int i = 0;

             for(KimDocumentRoleResponsibility responsibility: document.getResponsibilities()){

                     kimResponsibilityImpl = responsibility.getKimResponsibility();

                     if(!responsibility.isActive() && !hasPermissionToGrantResponsibility(responsibility.getKimResponsibility().toSimpleInfo(), document)){

                     GlobalVariables.getMessageMap().putError("responsibilities["+i+"].active", RiceKeyConstants.ERROR_ASSIGN_RESPONSIBILITY, 

                                     new String[] {kimResponsibilityImpl.getNamespaceCode(), kimResponsibilityImpl.getTemplate().getName()});

                     valid = false;

                     }

                     i++;

             }

             return valid;

     }

     protected boolean validRoleResponsibilitiesActions(List<KimDocumentRoleResponsibility> roleResponsibilities){

         int i = 0;

         boolean rulePassed = true;

             for(KimDocumentRoleResponsibility roleResponsibility: roleResponsibilities){

                     if(!getResponsibilityService().areActionsAtAssignmentLevelById(roleResponsibility.getResponsibilityId()))

                             validateRoleResponsibilityAction("document.responsibilities["+i+"].roleRspActions[0].priorityNumber", roleResponsibility.getRoleRspActions().get(0));

                 i++;

             }

             return rulePassed;

     }

     protected boolean validRoleMembersResponsibilityActions(List<KimDocumentRoleMember> roleMembers){

         int i = 0;

         int j;

         boolean rulePassed = true;

             for(KimDocumentRoleMember roleMember: roleMembers){

                     j = 0;

                     if(roleMember.getRoleRspActions()!=null && !roleMember.getRoleRspActions().isEmpty()){

                             for(KimDocumentRoleResponsibilityAction roleRspAction: roleMember.getRoleRspActions()){

                                     validateRoleResponsibilityAction("document.members["+i+"].roleRspActions["+j+"].priorityNumber", roleRspAction);

                                 j++;

                             }

                     }

                     i++;

             }

             return rulePassed;

     }

     protected boolean validateRoleResponsibilityAction(String errorPath, KimDocumentRoleResponsibilityAction roleRspAction){

             boolean rulePassed = true;

             /*if(StringUtils.isBlank(roleRspAction.getActionPolicyCode())){

                     GlobalVariables.getErrorMap().putError(errorPath, 

                                     RiceKeyConstants.ERROR_EMPTY_ENTRY, new String[] {"Action Policy Code"});

                     rulePassed = false;

             }

             if(roleRspAction.getPriorityNumber()==null){

                     GlobalVariables.getErrorMap().putError(errorPath, 

                                     RiceKeyConstants.ERROR_EMPTY_ENTRY, new String[] {"Priority Number"});

                     rulePassed = false;

             }

             if(StringUtils.isBlank(roleRspAction.getActionTypeCode())){

                     GlobalVariables.getErrorMap().putError(errorPath, 

                                     RiceKeyConstants.ERROR_EMPTY_ENTRY, new String[] {"Action Type Code"});

                     rulePassed = false;

             }*/

             if(roleRspAction.getPriorityNumber()!=null && 

                             (roleRspAction.getPriorityNumber()<PRIORITY_NUMBER_MIN_VALUE 

                                             || roleRspAction.getPriorityNumber()>PRIORITY_NUMBER_MAX_VALUE)){

                     GlobalVariables.getMessageMap().putError(errorPath, 

                                    RiceKeyConstants.ERROR_PRIORITY_NUMBER_RANGE, new String[] {PRIORITY_NUMBER_MIN_VALUE+"", PRIORITY_NUMBER_MAX_VALUE+""});

                     rulePassed = false;

             }

             return rulePassed;

     }

     protected boolean validateRoleQualifier(List<KimDocumentRoleMember> roleMembers, KimTypeInfo kimType){

                 AttributeSet validationErrors = new AttributeSet();

                 int memberCounter = 0;

                 int roleMemberCount = 0;

                 AttributeSet errorsTemp;

                 AttributeSet attributeSetToValidate;

         KimTypeService kimTypeService = KIMServiceLocatorWeb.getKimTypeService(kimType);

         GlobalVariables.getMessageMap().removeFromErrorPath(KNSConstants.DOCUMENT_PROPERTY_NAME);

         final AttributeDefinitionMap attributeDefinitions = kimTypeService.getAttributeDefinitions(kimType.getKimTypeId());

         final Set<String> uniqueAttributeNames = figureOutUniqueQualificationSet(roleMembers, attributeDefinitions);

                 for(KimDocumentRoleMember roleMember: roleMembers) {

                         errorsTemp = new AttributeSet();

                         attributeSetToValidate = attributeValidationHelper.convertQualifiersToMap(roleMember.getQualifiers());

                         if(!roleMember.isRole()){

                                 errorsTemp = kimTypeService.validateAttributes(kimType.getKimTypeId(), attributeSetToValidate);

                                 validationErrors.putAll( 

                                                 attributeValidationHelper.convertErrorsForMappedFields("document.members["+memberCounter+"]", errorsTemp) );

                         memberCounter++;

                         }

                         if (uniqueAttributeNames.size() > 0) {

                                 validateUniquePersonRoleQualifiersUniqueForRoleMembership(roleMember, roleMemberCount, roleMembers, uniqueAttributeNames, validationErrors);

                         }

                         roleMemberCount += 1;

             }

                 GlobalVariables.getMessageMap().addToErrorPath(KNSConstants.DOCUMENT_PROPERTY_NAME);

             if (validationErrors.isEmpty()) {

                     return true;

             } 

             attributeValidationHelper.moveValidationErrorsToErrorMap(validationErrors);

             return false;

     }

     /**

      * Finds the names of the unique qualification attributes which this role should be checking against

      * 

      * @param memberships the memberships (we take the qualification from the first)

      * @param attributeDefinitions information about the attributeDefinitions

      * @return a Set of unique attribute ids (with their indices, for error reporting)

      */

     protected Set<String> figureOutUniqueQualificationSet(List<KimDocumentRoleMember> memberships, AttributeDefinitionMap attributeDefinitions) {

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

             if (memberships != null && memberships.size() > 1) { // if there aren't two or more members, doing this whole check is kinda silly

                     KimDocumentRoleMember membership = memberships.get(0);

                     for (KimDocumentRoleQualifier qualifier : membership.getQualifiers()) {

                         if (qualifier != null && qualifier.getKimAttribute() != null && !StringUtils.isBlank(qualifier.getKimAttribute().getAttributeName())) {

                                 final AttributeDefinition relatedDefinition = attributeDefinitions.getByAttributeName(qualifier.getKimAttribute().getAttributeName());

                                 if (relatedDefinition != null && relatedDefinition.getUnique() != null && relatedDefinition.getUnique().booleanValue()) {

                                         uniqueAttributeIds.add(qualifier.getKimAttrDefnId()); // it's unique - add it to the Set

                                 }

                         }

                     }

             }

             return uniqueAttributeIds;

     }

     /**

      * Checks all the qualifiers for the given membership, so that all qualifiers which should be unique are guaranteed to be unique

      * 

      * @param membership the membership to check

      * @param attributeDefinitions the Map of attribute definitions used by the role

      * @param memberIndex the index of the person's membership in the role (for error reporting purposes)

      * @param validationErrors AttributeSet of errors to report

      * @return true if all unique values are indeed unique, false otherwise

      */

     protected boolean validateUniquePersonRoleQualifiersUniqueForRoleMembership(KimDocumentRoleMember membershipToCheck, int membershipToCheckIndex, List<KimDocumentRoleMember> memberships, Set<String> uniqueQualifierIds, AttributeSet validationErrors) {

             boolean foundError = false;

             int count = 0;

             for (KimDocumentRoleMember membership : memberships) {

                     if (membershipToCheckIndex != count) {

                             if (sameMembership(membershipToCheck, membership)) {

                                     if (sameUniqueMembershipQualifications(membershipToCheck, membership, uniqueQualifierIds)) {

                                             foundError = true;

                                             // add error to each qualifier which is supposed to be unique

                                             int qualifierCount = 0;

                                             for (KimDocumentRoleQualifier qualifier : membership.getQualifiers()) {

                                                     if (qualifier != null && uniqueQualifierIds.contains(qualifier.getKimAttrDefnId())) {

                                                             validationErrors.put("document.members["+membershipToCheckIndex+"].qualifiers["+qualifierCount+"].attrVal", RiceKeyConstants.ERROR_DOCUMENT_IDENTITY_MANAGEMENT_PERSON_QUALIFIER_VALUE_NOT_UNIQUE+":"+qualifier.getKimAttribute().getAttributeName()+";"+qualifier.getAttrVal());

                                                     }

                                                     qualifierCount += 1;

                                             }

                                     }

                             }

                     }

                     count += 1;

             }

             return foundError;

     }

     /**

      * Determines if two memberships represent the same member being added: that is, the two memberships have the same type code and id

      * 

      * @param membershipA the first membership to check

      * @param membershipB the second membership to check

      * @return true if the two memberships represent the same member; false if they do not, or if it could not be profitably determined if the members were the same

      */

     protected boolean sameMembership(KimDocumentRoleMember membershipA, KimDocumentRoleMember membershipB) {

             if (!StringUtils.isBlank(membershipA.getMemberTypeCode()) && !StringUtils.isBlank(membershipB.getMemberTypeCode()) && !StringUtils.isBlank(membershipA.getMemberId()) && !StringUtils.isBlank(membershipB.getMemberId())) {

                     return membershipA.getMemberTypeCode().equals(membershipB.getMemberTypeCode()) && membershipA.getMemberId().equals(membershipB.getMemberId());

             }

             return false;

     }

     /**

      * Given two memberships which represent the same member, do they share qualifications?

      * 

      * @param membershipA the first membership to check

      * @param membershipB the second membership to check

      * @param uniqueAttributeIds the Set of attribute definition ids which should be unique

      * @return

      */

     protected boolean sameUniqueMembershipQualifications(KimDocumentRoleMember membershipA, KimDocumentRoleMember membershipB, Set<String> uniqueAttributeIds) {

             boolean equalSoFar = true;

             for (String kimAttributeDefinitionId : uniqueAttributeIds) {

                     final KimDocumentRoleQualifier qualifierA = membershipA.getQualifier(kimAttributeDefinitionId);

                     final KimDocumentRoleQualifier qualifierB = membershipB.getQualifier(kimAttributeDefinitionId);

                     if (qualifierA != null && qualifierB != null) {

                             equalSoFar &= (qualifierA.getAttrVal() == null && qualifierB.getAttrVal() == null) || (qualifierA.getAttrVal() == null || qualifierA.getAttrVal().equals(qualifierB.getAttrVal()));

                     }

             }

             return equalSoFar;

     }

     protected KimDocumentRoleMember getRoleMemberForDelegation(

                     List<KimDocumentRoleMember> roleMembers, RoleDocumentDelegationMember delegationMember){

             if(roleMembers==null || delegationMember==null || delegationMember.getRoleMemberId()==null) return null;

             for(KimDocumentRoleMember roleMember: roleMembers){

                     if(delegationMember.getRoleMemberId().equals(roleMember.getRoleMemberId()))

                             return roleMember;

             }

             return null;

     }

     protected boolean validateDelegationMemberRoleQualifier(List<KimDocumentRoleMember> roleMembers, 

                     List<RoleDocumentDelegationMember> delegationMembers, KimTypeInfo kimType){

                 AttributeSet validationErrors = new AttributeSet();

                 boolean valid;

                 int memberCounter = 0;

                 AttributeSet errorsTemp;

                 AttributeSet attributeSetToValidate;

         KimTypeService kimTypeService = KIMServiceLocatorWeb.getKimTypeService(kimType);

         GlobalVariables.getMessageMap().removeFromErrorPath(KNSConstants.DOCUMENT_PROPERTY_NAME);

         KimDocumentRoleMember roleMember;

         String errorPath;

         final AttributeDefinitionMap attributeDefinitions = kimTypeService.getAttributeDefinitions(kimType.getKimTypeId());

         final Set<String> uniqueQualifierAttributes = figureOutUniqueQualificationSetForDelegation(delegationMembers, attributeDefinitions);

                 for(RoleDocumentDelegationMember delegationMember: delegationMembers) {

                         errorPath = "delegationMembers["+memberCounter+"]";

                         errorsTemp = new AttributeSet();

                         attributeSetToValidate = attributeValidationHelper.convertQualifiersToMap(delegationMember.getQualifiers());

                         if(!delegationMember.isRole()){

                                 errorsTemp = kimTypeService.validateAttributes(kimType.getKimTypeId(), attributeSetToValidate);

                                 validationErrors.putAll(

                                                 attributeValidationHelper.convertErrorsForMappedFields(errorPath, errorsTemp));

                         }

                         roleMember = getRoleMemberForDelegation(roleMembers, delegationMember);

                         if(roleMember==null){

                                 valid = false;

                                 GlobalVariables.getMessageMap().putError("document.delegationMembers["+memberCounter+"]", RiceKeyConstants.ERROR_DELEGATE_ROLE_MEMBER_ASSOCIATION, new String[]{});

                         } else{

                                 errorsTemp = kimTypeService.validateUnmodifiableAttributes(

                                                                 kimType.getKimTypeId(), 

                                                                 attributeValidationHelper.convertQualifiersToMap(roleMember.getQualifiers()), 

                                                                 attributeSetToValidate);

                                 validationErrors.putAll(

                                                 attributeValidationHelper.convertErrorsForMappedFields(errorPath, errorsTemp) );

                         }

                         if (uniqueQualifierAttributes.size() > 0) {

                                 validateUniquePersonRoleQualifiersUniqueForRoleDelegation(delegationMember, memberCounter, delegationMembers, uniqueQualifierAttributes, validationErrors);

                         }

                 memberCounter++;

             }

                 GlobalVariables.getMessageMap().addToErrorPath(KNSConstants.DOCUMENT_PROPERTY_NAME);

             if (validationErrors.isEmpty()) {

                     valid = true;

             } else {

                     attributeValidationHelper.moveValidationErrorsToErrorMap(validationErrors);

                     valid = false;

             }

             return valid;

     }

     /**

      * Finds the names of the unique qualification attributes which this role should be checking against

      * 

      * @param memberships the memberships (we take the qualification from the first)

      * @param attributeDefinitions information about the attributeDefinitions

      * @return a Set of unique attribute ids (with their indices, for error reporting)

      */

     protected Set<String> figureOutUniqueQualificationSetForDelegation(List<RoleDocumentDelegationMember> memberships, AttributeDefinitionMap attributeDefinitions) {

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

             if (memberships != null && memberships.size() > 1) { // if there aren't two or more members, doing this whole check is kinda silly

                     RoleDocumentDelegationMember membership = memberships.get(0);

                     for (RoleDocumentDelegationMemberQualifier qualifier : membership.getQualifiers()) {

                         if (qualifier != null && qualifier.getKimAttribute() != null && !StringUtils.isBlank(qualifier.getKimAttribute().getAttributeName())) {

                                 final AttributeDefinition relatedDefinition = attributeDefinitions.getByAttributeName(qualifier.getKimAttribute().getAttributeName());

                                 if (relatedDefinition.getUnique() != null && relatedDefinition.getUnique().booleanValue()) {

                                         uniqueAttributeIds.add(qualifier.getKimAttrDefnId()); // it's unique - add it to the Set

                                 }

                         }

                     }

             }

             return uniqueAttributeIds;

     }

     /**

      * Checks all the qualifiers for the given membership, so that all qualifiers which should be unique are guaranteed to be unique

      * 

      * @param membership the membership to check

      * @param attributeDefinitions the Map of attribute definitions used by the role

      * @param memberIndex the index of the person's membership in the role (for error reporting purposes)

      * @param validationErrors AttributeSet of errors to report

      * @return true if all unique values are indeed unique, false otherwise

      */

     protected boolean validateUniquePersonRoleQualifiersUniqueForRoleDelegation(RoleDocumentDelegationMember delegationMembershipToCheck, int membershipToCheckIndex, List<RoleDocumentDelegationMember> delegationMemberships, Set<String> uniqueQualifierIds, AttributeSet validationErrors) {

             boolean foundError = false;

             int count = 0;

             for (RoleDocumentDelegationMember delegationMembership : delegationMemberships) {

                     if (membershipToCheckIndex != count) {

                             if (sameDelegationMembership(delegationMembershipToCheck, delegationMembership)) {

                                     if (sameUniqueDelegationMembershipQualifications(delegationMembershipToCheck, delegationMembership, uniqueQualifierIds)) {

                                             foundError = true;

                                             // add error to each qualifier which is supposed to be unique

                                             int qualifierCount = 0;

                                             for (RoleDocumentDelegationMemberQualifier qualifier : delegationMembership.getQualifiers()) {

                                                     if (qualifier != null && uniqueQualifierIds.contains(qualifier.getKimAttrDefnId())) {

                                                             validationErrors.put("document.delegationMembers["+membershipToCheckIndex+"].qualifiers["+qualifierCount+"].attrVal", RiceKeyConstants.ERROR_DOCUMENT_IDENTITY_MANAGEMENT_PERSON_QUALIFIER_VALUE_NOT_UNIQUE+":"+qualifier.getKimAttribute().getAttributeName()+";"+qualifier.getAttrVal());

                                                     }

                                                     qualifierCount += 1;

                                             }

                                     }

                             }

                     }

                     count += 1;

             }

             return foundError;

     }

     /**

      * Determines if two memberships represent the same member being added: that is, the two memberships have the same type code and id

      * 

      * @param membershipA the first membership to check

      * @param membershipB the second membership to check

      * @return true if the two memberships represent the same member; false if they do not, or if it could not be profitably determined if the members were the same

      */

     protected boolean sameDelegationMembership(RoleDocumentDelegationMember membershipA, RoleDocumentDelegationMember membershipB) {

             if (!StringUtils.isBlank(membershipA.getMemberTypeCode()) && !StringUtils.isBlank(membershipB.getMemberTypeCode()) && !StringUtils.isBlank(membershipA.getMemberId()) && !StringUtils.isBlank(membershipB.getMemberId())) {

                     return membershipA.getMemberTypeCode().equals(membershipB.getMemberTypeCode()) && membershipA.getMemberId().equals(membershipB.getMemberId());

             }

             return false;

     }

     /**

      * Given two memberships which represent the same member, do they share qualifications?

      * 

      * @param membershipA the first membership to check

      * @param membershipB the second membership to check

      * @param uniqueAttributeIds the Set of attribute definition ids which should be unique

      * @return

      */

     protected boolean sameUniqueDelegationMembershipQualifications(RoleDocumentDelegationMember membershipA, RoleDocumentDelegationMember membershipB, Set<String> uniqueAttributeIds) {

             boolean equalSoFar = true;

             for (String kimAttributeDefinitionId : uniqueAttributeIds) {

                     final RoleDocumentDelegationMemberQualifier qualifierA = membershipA.getQualifier(kimAttributeDefinitionId);

                     final RoleDocumentDelegationMemberQualifier qualifierB = membershipB.getQualifier(kimAttributeDefinitionId);

                     if (qualifierA != null && qualifierB != null) {

                             equalSoFar &= (qualifierA.getAttrVal() == null && qualifierB.getAttrVal() == null) || (qualifierA.getAttrVal() == null || qualifierA.getAttrVal().equals(qualifierB.getAttrVal()));

                     }

             }

             return equalSoFar;

     }

         protected boolean validateActiveDate(String errorPath, Timestamp activeFromDate, Timestamp activeToDate) {

                 // TODO : do not have detail bus rule yet, so just check this for now.

                 boolean valid = true;

                 if (activeFromDate != null && activeToDate !=null && activeToDate.before(activeFromDate)) {

                 MessageMap errorMap = GlobalVariables.getMessageMap();

             errorMap.putError(errorPath, RiceKeyConstants.ERROR_ACTIVE_TO_DATE_BEFORE_FROM_DATE);

             valid = false;

                 }

                 return valid;

         }

         /**

          *

          * This method checks to see if adding a role to role membership

          * creates a circular reference.

          * 

          * @param addMemberEvent

          * @return true  - ok to assign, no circular references

          *         false - do not make assignment, will create circular reference.

          */

         protected boolean checkForCircularRoleMembership(AddMemberEvent addMemberEvent)

         {

                 KimDocumentRoleMember newMember = addMemberEvent.getMember();

                 if (newMember == null || StringUtils.isBlank(newMember.getMemberId())){

                         MessageMap errorMap = GlobalVariables.getMessageMap();

                         errorMap.putError("member.memberId", RiceKeyConstants.ERROR_INVALID_ROLE, new String[] {""});

                         return false;

                 } 

                 Set<String> roleMemberIds = null;

                 // if the role member is a role, check to make sure we won't be creating a circular reference.

                 // Verify that the new role is not already related to the role either directly or indirectly

                 if (newMember.isRole()){

                         // get all nested role member ids that are of type role

                         RoleService roleService = KIMServiceLocator.getRoleService();

                         roleMemberIds = ((RoleServiceBase) roleService).getRoleTypeRoleMemberIds(newMember.getMemberId());

                         // check to see if the document role is not a member of the new member role

                         IdentityManagementRoleDocument document = (IdentityManagementRoleDocument)addMemberEvent.getDocument();

                         if (roleMemberIds.contains(document.getRoleId())){

                                 MessageMap errorMap = GlobalVariables.getMessageMap();

                                 errorMap.putError("member.memberId", RiceKeyConstants.ERROR_ASSIGN_ROLE_MEMBER_CIRCULAR, new String[] {newMember.getMemberId()});                

                                 return false;

                         }

                 }

                 return true;

         }

         /**

          * @return the addResponsibilityRule

          */

         public AddResponsibilityRule getAddResponsibilityRule() {

                 if(addResponsibilityRule == null){

                         try {

                                 addResponsibilityRule = addResponsibilityRuleClass.newInstance();

                         } catch ( Exception ex ) {

                                 throw new RuntimeException( "Unable to create AddResponsibilityRule instance using class: " + addResponsibilityRuleClass, ex );

                         }

                 }

                 return addResponsibilityRule;

         }

         /**

          * @return the addPermissionRule

          */

         public AddPermissionRule getAddPermissionRule() {

                 if(addPermissionRule == null){

                         try {

                                 addPermissionRule = addPermissionRuleClass.newInstance();

                         } catch ( Exception ex ) {

                                 throw new RuntimeException( "Unable to create AddPermissionRule instance using class: " + addPermissionRuleClass, ex );

                         }

                 }

                 return addPermissionRule;

         }

         /**

          * @return the addMemberRule

          */

         public AddMemberRule getAddMemberRule() {

                 if(addMemberRule == null){

                         try {

                                 addMemberRule = addMemberRuleClass.newInstance();

                         } catch ( Exception ex ) {

                                 throw new RuntimeException( "Unable to create AddMemberRule instance using class: " + addMemberRuleClass, ex );

                         }

                 }

                 return addMemberRule;

         }

         /**

          * @return the addDelegationRule

          */

         public AddDelegationRule getAddDelegationRule() {

                 if(addDelegationRule == null){

                         try {

                                 addDelegationRule = addDelegationRuleClass.newInstance();

                         } catch ( Exception ex ) {

                                 throw new RuntimeException( "Unable to create AddDelegationRule instance using class: " + addDelegationRuleClass, ex );

                         }

                 }

                 return addDelegationRule;

         }

         /**

          * @return the addDelegationMemberRule

          */

         public AddDelegationMemberRule getAddDelegationMemberRule() {

                 if(addDelegationMemberRule == null){

                         try {

                                 addDelegationMemberRule = addDelegationMemberRuleClass.newInstance();

                         } catch ( Exception ex ) {

                                 throw new RuntimeException( "Unable to create AddDelegationMemberRule instance using class: " + addDelegationMemberRuleClass, ex );

                         }

                 }

                 return addDelegationMemberRule;

         }

     public boolean processAddPermission(AddPermissionEvent addPermissionEvent) {

         return getAddPermissionRule().processAddPermission(addPermissionEvent);    

     }

     public boolean hasPermissionToGrantPermission(KimPermissionInfo kimPermissionInfo , IdentityManagementRoleDocument document){

         return getAddPermissionRule().hasPermissionToGrantPermission(kimPermissionInfo, document);    

     }

     public boolean processAddResponsibility(AddResponsibilityEvent addResponsibilityEvent) {

         return getAddResponsibilityRule().processAddResponsibility(addResponsibilityEvent);    

     }

     public boolean hasPermissionToGrantResponsibility(KimResponsibilityInfo kimResponsibilityInfo, IdentityManagementRoleDocument document) {

         return getAddResponsibilityRule().hasPermissionToGrantResponsibility(kimResponsibilityInfo, document);    

     }

     public boolean processAddMember(AddMemberEvent addMemberEvent) {

         boolean success = new KimDocumentMemberRule().processAddMember(addMemberEvent);

         success &= validateActiveDate("member.activeFromDate", addMemberEvent.getMember().getActiveFromDate(), addMemberEvent.getMember().getActiveToDate());

         success &= checkForCircularRoleMembership(addMemberEvent);

         return success;

     }

     public boolean processAddDelegation(AddDelegationEvent addDelegationEvent) {

         return getAddDelegationRule().processAddDelegation(addDelegationEvent);    

     }

     public boolean processAddDelegationMember(AddDelegationMemberEvent addDelegationMemberEvent) {

         boolean success = new RoleDocumentDelegationMemberRule().processAddDelegationMember(addDelegationMemberEvent);

         RoleDocumentDelegationMember roleDocumentDelegationMember = addDelegationMemberEvent.getDelegationMember();

         success &= validateActiveDate("delegationMember.activeFromDate", roleDocumentDelegationMember.getActiveFromDate(), roleDocumentDelegationMember.getActiveToDate());

         return success;

     }

         public ResponsibilityService getResponsibilityService() {

                 if(responsibilityService == null){

                         responsibilityService = KIMServiceLocator.getResponsibilityService();

                 }

                 return responsibilityService;

         }

         /**

          * @return the businessObjectService

          */

         public BusinessObjectService getBusinessObjectService() {

                 if(businessObjectService == null){

                         businessObjectService = KNSServiceLocator.getBusinessObjectService();

                 }

                 return businessObjectService;

         }

 }