/**
    * Copyright 2005-2015 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.opensource.org/licenses/ecl2.php
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.kuali.rice.krad.service.impl;
  
  import java.util.ArrayList;
  import java.util.Collections;
  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 org.apache.commons.lang.StringUtils;
  import org.kuali.rice.core.api.criteria.QueryByCriteria;
  import org.kuali.rice.core.api.util.RiceConstants;
  import org.kuali.rice.kim.api.KimConstants.PermissionNames;
  import org.kuali.rice.kim.api.identity.Person;
  import org.kuali.rice.kim.api.identity.PersonService;
  import org.kuali.rice.kim.api.permission.PermissionService;
  import org.kuali.rice.kim.api.services.KimApiServiceLocator;
  import org.kuali.rice.kns.authorization.AuthorizationConstants;
  import org.kuali.rice.krad.data.DataObjectService;
  import org.kuali.rice.krad.document.Document;
  import org.kuali.rice.krad.document.authorization.PessimisticLock;
  import org.kuali.rice.krad.exception.AuthorizationException;
  import org.kuali.rice.krad.exception.PessimisticLockingException;
  import org.kuali.rice.krad.service.DataDictionaryService;
  import org.kuali.rice.krad.service.LegacyDataAdapter;
  import org.kuali.rice.krad.service.PessimisticLockService;
  import org.kuali.rice.krad.util.GlobalVariables;
  import org.kuali.rice.krad.util.KRADConstants;
  import org.kuali.rice.krad.util.KRADPropertyConstants;
  import org.springframework.beans.factory.annotation.Required;
  import org.springframework.transaction.annotation.Transactional;
  
  /**
   * Service implementation for pessimistic locking
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  @Transactional
  public class PessimisticLockServiceImpl implements PessimisticLockService {
      private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(PessimisticLockServiceImpl.class);
  
      protected DataObjectService dataObjectService;
      protected DataDictionaryService dataDictionaryService;
      protected PermissionService permissionService;
      protected PersonService personService;
  
  	/**
       * @see org.kuali.rice.krad.service.PessimisticLockService#delete(java.lang.String)
       */
      @Override
  	public void delete(String id) {
          if (StringUtils.isBlank(id)) {
              throw new IllegalArgumentException("An invalid blank id was passed to delete a Pessimistic Lock.");
          }
          PessimisticLock lock = dataObjectService.find(PessimisticLock.class, Long.valueOf(id));
          if ( lock == null ) {
              throw new IllegalArgumentException("Pessimistic Lock with id " + id + " cannot be found in the database.");
          }
          Person user = GlobalVariables.getUserSession().getPerson();
          if ( (!lock.isOwnedByUser(user)) && (!isPessimisticLockAdminUser(user)) ) {
              throw new AuthorizationException(user.getName(),"delete", "Pessimistick Lock (id " + id + ")");
          }
          delete(lock);
      }
  
      private void delete(PessimisticLock lock) {
      	if ( LOG.isDebugEnabled() ) {
      		LOG.debug("Deleting lock: " + lock);
      	}
          dataObjectService.delete(lock);
      }
  
      /**
       * @see org.kuali.rice.krad.service.PessimisticLockService#generateNewLock(String)
       */
      @Override
  	public PessimisticLock generateNewLock(String documentNumber) {
          return generateNewLock(documentNumber, GlobalVariables.getUserSession().getPerson());
      }
  
      /**
       * @see org.kuali.rice.krad.service.PessimisticLockService#generateNewLock(java.lang.String)
      */
     @Override
 	public PessimisticLock generateNewLock(String documentNumber, String lockDescriptor) {
         return generateNewLock(documentNumber, lockDescriptor, GlobalVariables.getUserSession().getPerson());
     }
 
     /**
      * @see org.kuali.rice.krad.service.PessimisticLockService#generateNewLock(java.lang.String, org.kuali.rice.kim.api.identity.Person)
      */
     @Override
 	public PessimisticLock generateNewLock(String documentNumber, Person user) {
         return generateNewLock(documentNumber, PessimisticLock.DEFAULT_LOCK_DESCRIPTOR, user);
     }
 
     /**
      * @see org.kuali.rice.krad.service.PessimisticLockService#generateNewLock(java.lang.String, java.lang.String, org.kuali.rice.kim.api.identity.Person)
      */
     @Override
 	public PessimisticLock generateNewLock(String documentNumber, String lockDescriptor, Person user) {
         PessimisticLock lock = new PessimisticLock(documentNumber, lockDescriptor, user, GlobalVariables.getUserSession());
         lock = save(lock);
         if ( LOG.isDebugEnabled() ) {
         	LOG.debug("Generated new lock: " + lock);
         }
         return lock;
     }
 
     /**
      * @see org.kuali.rice.krad.service.PessimisticLockService#getPessimisticLocksForDocument(java.lang.String)
      */
     @Override
 	public List<PessimisticLock> getPessimisticLocksForDocument(String documentNumber) {
         return new ArrayList<PessimisticLock>( dataObjectService.findMatching(PessimisticLock.class,
         		QueryByCriteria.Builder.forAttribute(KRADPropertyConstants.DOCUMENT_NUMBER, documentNumber)
         		.build()).getResults() );
     }
 
     /**
      * @see org.kuali.rice.krad.service.PessimisticLockService#getPessimisticLocksForSession(java.lang.String)
      */
     @Override
 	public List<PessimisticLock> getPessimisticLocksForSession(String sessionId) {
         return new ArrayList<PessimisticLock>( dataObjectService.findMatching(PessimisticLock.class,
         		QueryByCriteria.Builder.forAttribute(KRADPropertyConstants.SESSION_ID, sessionId)
         		.build()).getResults() );
     }
 
     /**
      * @see org.kuali.rice.krad.service.PessimisticLockService#isPessimisticLockAdminUser(org.kuali.rice.kim.api.identity.Person)
      */
     @Override
 	public boolean isPessimisticLockAdminUser(Person user) {
     	return getPermissionService().isAuthorized( user.getPrincipalId(), KRADConstants.KNS_NAMESPACE, PermissionNames.ADMIN_PESSIMISTIC_LOCKING,
                 Collections.<String, String>emptyMap() );
     }
 
     /**
      * @see org.kuali.rice.krad.service.PessimisticLockService#releaseAllLocksForUser(java.util.List, org.kuali.rice.kim.api.identity.Person)
      */
     @Override
 	public void releaseAllLocksForUser(List<PessimisticLock> locks, Person user) {
         for (Iterator<PessimisticLock> iterator = locks.iterator(); iterator.hasNext();) {
             PessimisticLock lock = iterator.next();
             if (lock.isOwnedByUser(user)) {
                 try {
                     delete(lock);
                 } catch ( RuntimeException ex ) {
                 	if ( ex.getCause() != null && ex.getCause().getClass().equals( LegacyDataAdapter.OPTIMISTIC_LOCK_OJB_EXCEPTION_CLASS ) ) {
                         LOG.warn( "Suppressing Optimistic Lock Exception. Document Num: " +  lock.getDocumentNumber());
                     } else {
                         throw ex;
                     }
                 }
             }
         }
     }
 
     /**
      * @see org.kuali.rice.krad.service.PessimisticLockService#releaseAllLocksForUser(java.util.List, org.kuali.rice.kim.api.identity.Person, java.lang.String)
      */
     @Override
 	public void releaseAllLocksForUser(List<PessimisticLock> locks, Person user, String lockDescriptor) {
         for (Iterator<PessimisticLock> iterator = locks.iterator(); iterator.hasNext();) {
             PessimisticLock lock = iterator.next();
             if ( (lock.isOwnedByUser(user)) && (lockDescriptor.equals(lock.getLockDescriptor())) ) {
                 try {
                     delete(lock);
                 } catch ( RuntimeException ex ) {
                 	if ( ex.getCause() != null && ex.getCause().getClass().equals( LegacyDataAdapter.OPTIMISTIC_LOCK_OJB_EXCEPTION_CLASS ) ) {
                         LOG.warn( "Suppressing Optimistic Lock Exception. Document Num: " +  lock.getDocumentNumber());
                     } else {
                         throw ex;
                     }
                 }
             }
         }
     }
 
     /**
      * @see org.kuali.rice.krad.service.PessimisticLockService#save(org.kuali.rice.krad.document.authorization.PessimisticLock)
      */
     @Override
 	public PessimisticLock save(PessimisticLock lock) {
     	if ( LOG.isDebugEnabled() ) {
     		LOG.debug("Saving lock: " + lock);
     	}
         return dataObjectService.save(lock);
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public boolean establishPessimisticLocks(Document document, Person user, boolean canEdit) {
         // establish pessimistic locks if needed
         if (isPessimisticLockNeeded(document, user, canEdit)) {
             PessimisticLock pessimisticLock = createNewPessimisticLock(document, user);
             document.addPessimisticLock(pessimisticLock);
         }
 
         // find if any pessimistic locks are owned by the given user
         for (PessimisticLock pessimisticLock : document.getPessimisticLocks()) {
             if (pessimisticLock.isOwnedByUser(user)) {
                 return true;
             }
         }
 
         return false;
     }
 
     /**
      * Determines whether to add a pessimistic lock on the {@code document} for {@code user} based on the current
      * pessimistic locks and edit modes.
      *
      * @param document the document on which the locks will be established
      * @param user the user for which the locks are being established
      * @param canEdit whether the user currently can edit the document
      *
      * @return true if a pessimistic lock should be added, false otherwise
      */
     protected boolean isPessimisticLockNeeded(Document document, Person user, boolean canEdit) {
         List<String> userOwnedLockDescriptors = new ArrayList<String>();
         Map<String, Set<String>> otherOwnedLockDescriptors = new HashMap<String,Set<String>>();
 
         // create the two lock containers that help determine whether to add a pessimistic lock
         for (PessimisticLock pessimisticLock : document.getPessimisticLocks()) {
             if (pessimisticLock.isOwnedByUser(user)) {
                 userOwnedLockDescriptors.add(pessimisticLock.getLockDescriptor());
             } else {
                 if (!otherOwnedLockDescriptors.containsKey(pessimisticLock.getLockDescriptor())) {
                     otherOwnedLockDescriptors.put(pessimisticLock.getLockDescriptor(), new HashSet<String>());
                 }
 
                 String otherOwnerPrincipalId = pessimisticLock.getOwnedByUser().getPrincipalId();
                 otherOwnedLockDescriptors.get(pessimisticLock.getLockDescriptor()).add(otherOwnerPrincipalId);
             }
         }
 
         // double check whether the existing pessimistic locks are sane
         checkExistingPessimisticLocks(document, userOwnedLockDescriptors, otherOwnedLockDescriptors);
 
         // if no one has a lock on this document, then the document can be locked if the user can edit it
         if (userOwnedLockDescriptors.isEmpty() && otherOwnedLockDescriptors.isEmpty()) {
             return canEdit;
         }
 
         // if custom locking is turned on, then if the current user doesn't have a custom lock on this document and no
         // one else has a custom lock on this document, then the document can be locked if the user can edit it
         if (document.useCustomLockDescriptors()) {
             String customLockDescriptor = document.getCustomLockDescriptor(user);
             boolean userOwnsCustomLockDescriptor = userOwnedLockDescriptors.contains(customLockDescriptor);
             boolean otherOwnsCustomLockDescriptor = otherOwnedLockDescriptors.containsKey(customLockDescriptor);
 
             if (!userOwnsCustomLockDescriptor && !otherOwnsCustomLockDescriptor) {
                 return canEdit;
             }
         }
 
         return false;
     }
 
     /**
      * Check to make sure that the current user doesn't erroneously share the same lock with another user.
      *
      * @param document the document to check for erroneous locks
      * @param userOwnedLockDescriptors the list of lock descriptors for the current user
      * @param otherOwnedLockDescriptors the map of other lock descriptors to all of the other users that own them
      */
     protected void checkExistingPessimisticLocks(Document document, List<String> userOwnedLockDescriptors, Map<String, Set<String>> otherOwnedLockDescriptors) {
         for (String userOwnedLockDescriptor : userOwnedLockDescriptors) {
             if (otherOwnedLockDescriptors.containsKey(userOwnedLockDescriptor)) {
                 Set<String> otherOwnerPrincipalIds = otherOwnedLockDescriptors.get(userOwnedLockDescriptor);
                 String workflowOwnerPrincipalId = getWorkflowPessimisticLockOwnerUser().getPrincipalId();
                 boolean hasOtherOwners = !otherOwnerPrincipalIds.isEmpty();
                 boolean hasMoreThanOneOtherOwner = otherOwnerPrincipalIds.size() > 1;
                 boolean hasWorkflowOwner = otherOwnerPrincipalIds.contains(workflowOwnerPrincipalId);
 
                 // if the lock has other owners, then if there is more than one other owner or if the single other owner
                 // is not the workflow user, then throw an error
                 if (hasOtherOwners && (hasMoreThanOneOtherOwner || !hasWorkflowOwner)) {
                     StringBuilder builder = new StringBuilder("Found an invalid lock status on document number ");
                     builder.append(document.getDocumentNumber());
                     builder.append(" with current user and other user both having locks concurrently");
 
                     if (document.useCustomLockDescriptors()) {
                         builder.append(" for custom lock descriptor '");
                         builder.append(userOwnedLockDescriptor);
                         builder.append("'");
                     }
 
                     builder.append(".");
 
                     LOG.debug(builder.toString());
 
                     throw new PessimisticLockingException(builder.toString());
                 }
             }
         }
     }
 
     /**
      * Creates a new {@link PessimisticLock} on a {@code document} for a {@code user}.
      *
      * <p>
      * If the {@code document} uses custom lock descriptors, then the new lock is generated with a custom lock
      * descriptor for a portion of the document.  Otherwise, it will create a lock over the entire document.
      * </p>
      *
      * @param document the document on which the locks will be established
      * @param user the user for which the locks are being established
      *
      * @return the newly created lock object
      */
     protected PessimisticLock createNewPessimisticLock(Document document, Person user) {
         if (document.useCustomLockDescriptors()) {
             return generateNewLock(document.getDocumentNumber(), document.getCustomLockDescriptor(user), user);
         } else {
             return generateNewLock(document.getDocumentNumber(), user);
         }
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     @Deprecated
 	public Set getDocumentActions(Document document, Person user, Set<String> documentActions){
     	if(documentActions.contains(KRADConstants.KUALI_ACTION_CAN_CANCEL) && !hasPreRouteEditAuthorization(document, user) ){
     		documentActions.remove(KRADConstants.KUALI_ACTION_CAN_CANCEL);
     	}
     	if(documentActions.contains(KRADConstants.KUALI_ACTION_CAN_SAVE)  && !hasPreRouteEditAuthorization(document, user)){
     		documentActions.remove(KRADConstants.KUALI_ACTION_CAN_SAVE);
     	}
         if(documentActions.contains(KRADConstants.KUALI_ACTION_CAN_ROUTE) && !hasPreRouteEditAuthorization(document, user)){
         	documentActions.remove(KRADConstants.KUALI_ACTION_CAN_ROUTE);
         }
         if (documentActions.contains(KRADConstants.KUALI_ACTION_CAN_BLANKET_APPROVE) && !hasPreRouteEditAuthorization(document, user)){
         	documentActions.remove(KRADConstants.KUALI_ACTION_CAN_BLANKET_APPROVE);
         }
     	return documentActions;
     }
 
 
     /**
      * This method checks to see that the given user has a lock on the document and return true if one is found.
      *
      * @param document - document to check
      * @param user - current user
      * @return true if the document is using Pessimistic Locking, the user has initiate authorization (see
      *         {@link #hasInitiateAuthorization(Document, Person)}), and the document has a lock owned by the given
      *         user. If the document is not using Pessimistic Locking the value returned will be that returned by
      *         {@link #hasInitiateAuthorization(Document, Person)}.
      *
      * @deprecated Different mechanism of obtaining authorization in KRAD
      */
     @Deprecated
     protected boolean hasPreRouteEditAuthorization(Document document, Person user) {
     	if (document.getPessimisticLocks().isEmpty()) {
     		return true;
     	}
     	for (Iterator<PessimisticLock> iterator = document.getPessimisticLocks().iterator(); iterator.hasNext();) {
     		PessimisticLock lock = iterator.next();
     		if (lock.isOwnedByUser(user)) {
     			return true;
             }
         }
         return false;
     }
 
     @Deprecated
     protected boolean usesPessimisticLocking(Document document) {
         return getDataDictionaryService().getDataDictionary().getDocumentEntry(document.getClass().getName()).getUsePessimisticLocking();
     }
 
 
     /**
      * This method creates a new {@link PessimisticLock} when Workflow processing requires one
      *
      * @param document - the document to create the lock against and add the lock to
      * @see org.kuali.rice.kns.document.authorization.DocumentAuthorizer#establishWorkflowPessimisticLocking(org.kuali.rice.krad.document.Document)
      */
     @Override
 	public void establishWorkflowPessimisticLocking(Document document) {
         PessimisticLock lock = createNewPessimisticLock(document, getWorkflowPessimisticLockOwnerUser());
         document.addPessimisticLock(lock);
     }
 
     /**
      * This method releases locks created via the {@link #establishWorkflowPessimisticLocking(Document)} method for the given document
      *
      * @param document - document to release locks from
      * @see org.kuali.rice.kns.document.authorization.DocumentAuthorizer#releaseWorkflowPessimisticLocking(org.kuali.rice.krad.document.Document)
      */
     @Override
 	public void releaseWorkflowPessimisticLocking(Document document) {
         releaseAllLocksForUser(document.getPessimisticLocks(), getWorkflowPessimisticLockOwnerUser());
         document.refreshPessimisticLocks();
     }
 
     /**
      * This method identifies the user that should be used to create and clear {@link PessimisticLock} objects required by
      * Workflow.<br>
      * <br>
      * The default is the Kuali system user defined by {@link RiceConstants#SYSTEM_USER}. This method can be overriden by
      * implementing documents if another user is needed.
      *
      * @return a valid {@link Person} object
      */
     protected Person getWorkflowPessimisticLockOwnerUser() {
         String networkId = KRADConstants.SYSTEM_USER;
         return getPersonService().getPersonByPrincipalName(networkId);
     }
 
     /**
      * {@inheritDoc}
      *
      * This implementation will check the given document, editMode map, and user object to verify Pessimistic Locking. If the
      * given edit mode map contains an 'entry type' edit mode then the system will check the locks already in existence on
      * the document. If a valid lock for the given user is found the system will return the given edit mode map. If a valid
      * lock is found but is owned by another user the edit mode map returned will have any 'entry type' edit modes removed. If the
      * given document has no locks and the edit mode map passed in has at least one 'entry type' mode then a new
      * {@link PessimisticLock} object will be created and set on the document for the given user.<br>
      * <br>
      * NOTE: This method is only called if the document uses pessimistic locking as described in the data dictionary file.
      *
      * @see org.kuali.rice.kns.document.authorization.DocumentAuthorizer#establishLocks(org.kuali.rice.krad.document.Document,
      *      java.util.Map, org.kuali.rice.kim.api.identity.Person)
      */
     @Override
     @Deprecated
 	public Map establishLocks(Document document, Map editMode, Person user) {
         Map editModeMap = new HashMap();
         // givenUserLockDescriptors is a list of lock descriptors currently held on the document by the given user
         List<String> givenUserLockDescriptors = new ArrayList<String>();
         // lockDescriptorUsers is a map with lock descriptors as keys and users other than the given user who hold a lock of each descriptor
         Map<String,Set<Person>> lockDescriptorUsers = new HashMap<String,Set<Person>>();
 
         // build the givenUserLockDescriptors set and the lockDescriptorUsers map
         for (PessimisticLock lock : document.getPessimisticLocks()) {
             if (lock.isOwnedByUser(user)) {
                 // lock is owned by given user
                 givenUserLockDescriptors.add(lock.getLockDescriptor());
             } else {
                 // lock is not owned by the given user
                 if (!lockDescriptorUsers.containsKey(lock.getLockDescriptor())) {
                     lockDescriptorUsers.put(lock.getLockDescriptor(), new HashSet<Person>());
                 }
                 lockDescriptorUsers.get(lock.getLockDescriptor()).add(lock.getOwnedByUser());
             }
         }
 
         // verify that no locks held by current user exist for any other user
         for (String givenUserLockDescriptor : givenUserLockDescriptors) {
             if ( (lockDescriptorUsers.containsKey(givenUserLockDescriptor)) && (lockDescriptorUsers.get(givenUserLockDescriptor).size() > 0) ) {
                 Set<Person> users = lockDescriptorUsers.get(givenUserLockDescriptor);
                 if ( (users.size() != 1) || (!getWorkflowPessimisticLockOwnerUser().getPrincipalId().equals(users.iterator().next().getPrincipalId())) ) {
                     String descriptorText = (document.useCustomLockDescriptors()) ? " using lock descriptor '" + givenUserLockDescriptor + "'" : "";
                     String errorMsg = "Found an invalid lock status on document number " + document.getDocumentNumber() + "with current user and other user both having locks" + descriptorText + " concurrently";
                     LOG.debug(errorMsg);
                     throw new PessimisticLockingException(errorMsg);
                 }
             }
         }
 
         // check to see if the given user has any locks in the system at all
         if (givenUserLockDescriptors.isEmpty()) {
             // given user has no locks... check for other user locks
             if (lockDescriptorUsers.isEmpty()) {
                 // no other user has any locks... set up locks for given user if user has edit privileges
                 if (isLockRequiredByUser(document, editMode, user)) {
                     document.addPessimisticLock(createNewPessimisticLock(document, editMode, user));
                 }
                 editModeMap.putAll(editMode);
             } else {
                 // at least one other user has at least one other lock... adjust edit mode for read only
                 if (document.useCustomLockDescriptors()) {
                     // check to see if the custom lock descriptor is already in use
                     String customLockDescriptor = document.getCustomLockDescriptor(user);
                     if (lockDescriptorUsers.containsKey(customLockDescriptor)) {
                         // at least one other user has this descriptor locked... remove editable edit modes
                         editModeMap = getEditModeWithEditableModesRemoved(editMode);
                     } else {
                         // no other user has a lock with this descriptor
                         if (isLockRequiredByUser(document, editMode, user)) {
                             document.addPessimisticLock(createNewPessimisticLock(document, editMode, user));
                         }
                         editModeMap.putAll(editMode);
                     }
                 } else {
                     editModeMap = getEditModeWithEditableModesRemoved(editMode);
                 }
             }
         } else {
             // given user already has at least one lock descriptor
             if (document.useCustomLockDescriptors()) {
                 // get the custom lock descriptor and check to see if if the given user has a lock with that descriptor
                 String customLockDescriptor = document.getCustomLockDescriptor(user);
                 if (givenUserLockDescriptors.contains(customLockDescriptor)) {
                     // user already has lock that is required
                     editModeMap.putAll(editMode);
                 } else {
                     // user does not have lock for descriptor required
                     if (lockDescriptorUsers.containsKey(customLockDescriptor)) {
                         // another user has the lock descriptor that the given user requires... disallow lock and alter edit modes to have read only
                         editModeMap = getEditModeWithEditableModesRemoved(editMode);
                     } else {
                         // no other user has a lock with this descriptor... check if this user needs a lock
                         if (isLockRequiredByUser(document, editMode, user)) {
                             document.addPessimisticLock(createNewPessimisticLock(document, editMode, user));
                         }
                         editModeMap.putAll(editMode);
                     }
                 }
             } else {
                 // user already has lock and no descriptors are being used... use the existing edit modes
                 editModeMap.putAll(editMode);
             }
         }
 
         return editModeMap;
     }
 
     /**
      * This method is used to check if the given parameters warrant a new lock to be created for the given user. This method
      * utilizes the {@link #isEntryEditMode(java.util.Map.Entry)} method.
      *
      * @param document -
      *            document to verify lock creation against
      * @param editMode -
      *            edit modes list to check for 'entry type' edit modes
      * @param user -
      *            user the lock will be 'owned' by
      * @return true if the given edit mode map has at least one 'entry type' edit mode... false otherwise
      */
     @Deprecated
     protected boolean isLockRequiredByUser(Document document, Map editMode, Person user) {
         // check for entry edit mode
         for (Iterator iterator = editMode.entrySet().iterator(); iterator.hasNext();) {
             Map.Entry entry = (Map.Entry) iterator.next();
             if (isEntryEditMode(entry)) {
                 return true;
             }
         }
         return false;
     }
 
    /**
      * This method is used to remove edit modes from the given map that allow the user to edit data on the document. This
      * method utilizes the {@link #isEntryEditMode(java.util.Map.Entry)} method to identify if an edit mode is defined as an
      * 'entry type' edit mode. It also uses the {@link #getEntryEditModeReplacementMode(java.util.Map.Entry)} method to replace
      * any 'entry type' edit modes it finds.
      *
      * @param currentEditMode -
      *            current set of edit modes the user has assigned to them
      * @return an adjusted edit mode map where 'entry type' edit modes have been removed or replaced using the
      *         {@link #getEntryEditModeReplacementMode} method
      */
     @Deprecated
     protected Map getEditModeWithEditableModesRemoved(Map currentEditMode) {
         Map editModeMap = new HashMap();
         for (Iterator iterator = currentEditMode.entrySet().iterator(); iterator.hasNext();) {
             Map.Entry entry = (Map.Entry) iterator.next();
             if (isEntryEditMode(entry)) {
                 editModeMap.putAll(getEntryEditModeReplacementMode(entry));
             } else {
                 editModeMap.put(entry.getKey(), entry.getValue());
             }
         }
         return editModeMap;
     }
 
     /**
      * This method is used to check if the given {@link Map.Entry} is an 'entry type' edit mode and that the value is set to
      * signify that this user has that edit mode available to them
      *
      * @param entry -
      *            the {@link Map.Entry} object that contains an edit mode such as the ones returned but
      *            {@link #getEditMode(Document, Person)}
      * @return true if the given entry has a key signifying an 'entry type' edit mode and the value is equal to
      *         {@link #EDIT_MODE_DEFAULT_TRUE_VALUE}... false if not
      */
     @Deprecated
     protected boolean isEntryEditMode(Map.Entry entry) {
     	// check for FULL_ENTRY edit mode set to default true value
     	if (AuthorizationConstants.EditMode.FULL_ENTRY.equals(entry.getKey())) {
     		String fullEntryEditModeValue = (String)entry.getValue();
     		return ( StringUtils.equalsIgnoreCase(KRADConstants.KUALI_DEFAULT_TRUE_VALUE, fullEntryEditModeValue) );
     	}
     	return false;
     }
 
     /**
      * This method is used to return values needed to replace the given 'entry type' edit mode {@link Map.Entry} with one that will not allow the user to enter data on the document
      *
      * @param entry - the current 'entry type' edit mode to replace
      * @return a Map of edit modes that will be used to replace this edit mode (represented by the given entry parameter)
      */
     protected Map getEntryEditModeReplacementMode(Map.Entry entry) {
         Map editMode = new HashMap();
         editMode.put(AuthorizationConstants.EditMode.VIEW_ONLY, KRADConstants.KUALI_DEFAULT_TRUE_VALUE);
         return editMode;
     }
 
     /**
      * This method creates a new {@link PessimisticLock} object using the given document and user. If the document's
      * useCustomLockDescriptors() method returns true then the new lock will also have a custom lock descriptor
      * value set to the return value of the document's getCustomLockDescriptor(Person) method.
      *
      * @param document -
      *            document to place the lock on
      * @param editMode -
      *            current edit modes for given user
      * @param user -
      *            user who will 'own' the new lock object
      * @return the newly created lock object
      */
     @Deprecated
     protected PessimisticLock createNewPessimisticLock(Document document, Map editMode, Person user) {
         if (document.useCustomLockDescriptors()) {
             return generateNewLock(document.getDocumentNumber(), document.getCustomLockDescriptor(user), user);
         } else {
             return generateNewLock(document.getDocumentNumber(), user);
         }
     }
 
     public PersonService getPersonService() {
         if ( personService == null ) {
             personService = KimApiServiceLocator.getPersonService();
         }
         return personService;
     }
 
 	public DataDictionaryService getDataDictionaryService() {
 		return dataDictionaryService;
 	}
 
 	@Required
 	public void setDataDictionaryService(DataDictionaryService dataDictionaryService) {
 		this.dataDictionaryService = dataDictionaryService;
 	}
 
 	public PermissionService getPermissionService() {
         if ( permissionService == null ) {
         	permissionService = KimApiServiceLocator.getPermissionService();
         }
 		return permissionService;
 	}
 
 
 	@Required
     public void setDataObjectService(DataObjectService dataObjectService) {
 		this.dataObjectService = dataObjectService;
 	}
 }