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// $Id$
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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.api.service;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.UUID;
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import org.hibernate.criterion.Criterion;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.security.access.prepost.PreAuthorize;
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import org.springframework.security.core.GrantedAuthority;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.util.Assert;
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import eu.etaxonomy.cdm.model.common.Group;
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import eu.etaxonomy.cdm.model.common.User;
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import eu.etaxonomy.cdm.persistence.dao.common.IGroupDao;
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import eu.etaxonomy.cdm.persistence.dao.common.IUserDao;
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import eu.etaxonomy.cdm.persistence.query.MatchMode;
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import eu.etaxonomy.cdm.persistence.query.OrderHint;
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/**
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* @author n.hoffmann
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* @created Mar 9, 2011
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* @version 1.0
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*/
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@Service
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@Transactional(readOnly = true)
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@PreAuthorize("hasRole('ROLE_ADMIN') or hasRole('ROLE_USER_MANAGER')")
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public class GroupServiceImpl extends ServiceBase<Group,IGroupDao> implements IGroupService {
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protected IUserDao userDao;
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/* (non-Javadoc)
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* @see org.springframework.security.provisioning.GroupManager#findAllGroups()
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*/
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@Override
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public List<String> findAllGroups() {
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return dao.listNames(null,null);
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}
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/* (non-Javadoc)
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* @see org.springframework.security.provisioning.GroupManager#findUsersInGroup(java.lang.String)
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*/
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@Override
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public List<String> findUsersInGroup(String groupName) {
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Assert.hasText(groupName);
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Group group = dao.findGroupByName(groupName);
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List<String> users = dao.listMembers(group, null, null);
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return users;
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}
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/* (non-Javadoc)
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* @see org.springframework.security.provisioning.GroupManager#deleteGroup(java.lang.String)
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*/
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@Override
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@Transactional(readOnly=false)
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public void deleteGroup(String groupUUID) {
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Assert.notNull(groupUUID);
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Group group = dao.findByUuid(UUID.fromString(groupUUID));
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for (User user : group.getMembers()){
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group.removeMember(user);
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}
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if(group != null){
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dao.delete(group);
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}
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}
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/* (non-Javadoc)
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* @see org.springframework.security.provisioning.GroupManager#renameGroup(java.lang.String, java.lang.String)
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*/
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@Override
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@Transactional(readOnly=false)
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public void renameGroup(String oldName, String newName) {
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Assert.hasText(oldName);
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Assert.hasText(newName);
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Group group = dao.findGroupByName(oldName);
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group.setName(newName);
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dao.update(group);
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}
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/* (non-Javadoc)
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* @see org.springframework.security.provisioning.GroupManager#addUserToGroup(java.lang.String, java.lang.String)
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*/
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@Override
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@Transactional(readOnly=false)
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public void addUserToGroup(String username, String groupName) {
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Assert.hasText(username);
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Assert.hasText(groupName);
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Group group = dao.findGroupByName(groupName);
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User user = userDao.findUserByUsername(username);
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if(group != null || user != null){
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if(group.addMember(user)) {
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dao.update(group);
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}
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}
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}
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/* (non-Javadoc)
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* @see org.springframework.security.provisioning.GroupManager#removeUserFromGroup(java.lang.String, java.lang.String)
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*/
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@Override
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@Transactional(readOnly=false)
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public void removeUserFromGroup(String username, String groupName) {
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Assert.hasText(username);
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Assert.hasText(groupName);
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Group group = dao.findGroupByName(groupName);
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User user = userDao.findUserByUsername(username);
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if(group != null || user != null){
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if(group.removeMember(user)){
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dao.update(group);
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}
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}
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}
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/* (non-Javadoc)
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* @see org.springframework.security.provisioning.GroupManager#findGroupAuthorities(java.lang.String)
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*/
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@Override
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public List<GrantedAuthority> findGroupAuthorities(String groupName) {
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Assert.hasText(groupName);
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Group group = dao.findGroupByName(groupName);
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if (group != null){
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return new ArrayList<GrantedAuthority>(group.getGrantedAuthorities());
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}
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return new ArrayList<GrantedAuthority>();
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}
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/* (non-Javadoc)
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* @see org.springframework.security.provisioning.GroupManager#addGroupAuthority(java.lang.String, org.springframework.security.core.GrantedAuthority)
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*/
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@Override
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@Transactional(readOnly=false)
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public void addGroupAuthority(String groupName, GrantedAuthority authority) {
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Assert.hasText(groupName);
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Assert.notNull(authority);
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Group group = dao.findGroupByName(groupName);
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if (group != null){
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if(group.getGrantedAuthorities().add(authority)){
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dao.update(group);
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}
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}
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}
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/* (non-Javadoc)
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* @see org.springframework.security.provisioning.GroupManager#removeGroupAuthority(java.lang.String, org.springframework.security.core.GrantedAuthority)
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*/
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@Override
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@Transactional(readOnly=false)
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public void removeGroupAuthority(String groupName,
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GrantedAuthority authority) {
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Assert.hasText(groupName);
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Assert.notNull(authority);
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Group group = dao.findGroupByName(groupName);
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if(group != null){
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if(group.getGrantedAuthorities().remove(authority)) {
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dao.update(group);
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}
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}
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.cdm.api.service.ServiceBase#setDao(eu.etaxonomy.cdm.persistence.dao.common.ICdmEntityDao)
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*/
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@Override
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@Autowired
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protected void setDao(IGroupDao dao) {
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this.dao = dao;
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}
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@Autowired
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public void setUserDao(IUserDao userDao){
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this.userDao = userDao;
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}
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@Override
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@Transactional(readOnly = true)
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public List<Group> listByName(String queryString,MatchMode matchmode, List<Criterion> criteria, Integer pageSize, Integer pageNumber, List<OrderHint> orderHints, List<String> propertyPaths) {
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Integer numberOfResults = dao.countByName(queryString, matchmode, criteria);
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List<Group> results = new ArrayList<Group>();
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if(numberOfResults > 0) {
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results = dao.findByName(queryString, matchmode, criteria, pageSize, pageNumber, orderHints, propertyPaths);
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}
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return results;
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}
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/* (non-Javadoc)
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* @see org.springframework.security.provisioning.GroupManager#createGroup(java.lang.String, java.util.List)
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*/
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@Override
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@Transactional(readOnly=false)
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public void createGroup(String groupName, List<GrantedAuthority> authorities) {
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Assert.hasText(groupName);
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Assert.notNull(authorities);
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Group newGroup = Group.NewInstance(groupName);
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for (GrantedAuthority grantedAuthority: authorities){
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newGroup.addGrantedAuthority(grantedAuthority);
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}
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saveGroup(newGroup);
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.cdm.api.service.IUserService#saveGroup(eu.etaxonomy.cdm.model.common.Group)
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*/
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@Override
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@Transactional(readOnly=false)
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@PreAuthorize("hasRole('ROLE_ADMIN') or hasRole('ROLE_USER_MANAGER')")
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public UUID saveGroup(Group group) {
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return dao.save(group).getUuid();
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}
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@Override
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@Transactional(readOnly=false)
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public DeleteResult delete(UUID groupUUID ){
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String groupUUIDString = groupUUID.toString();
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//org.springframework.security.provisioning.GroupManager#deleteGroup needs a string argument
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this.deleteGroup(groupUUIDString);
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//there is no feedback from the deleteGroup method...
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return new DeleteResult();
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}
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}
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