001    /**
002     * Copyright 2005-2014 The Kuali Foundation
003     *
004     * Licensed under the Educational Community License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.opensource.org/licenses/ecl2.php
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.kuali.rice.kew.identity.service.impl;
017    
018    import org.apache.commons.logging.Log;
019    import org.apache.commons.logging.LogFactory;
020    import org.kuali.rice.core.api.exception.RiceIllegalArgumentException;
021    import org.kuali.rice.kew.actionrequest.KimPrincipalRecipient;
022    import org.kuali.rice.kew.actionrequest.Recipient;
023    import org.kuali.rice.kew.api.KewApiConstants;
024    import org.kuali.rice.kew.api.identity.EmployeeId;
025    import org.kuali.rice.kew.api.identity.PrincipalId;
026    import org.kuali.rice.kew.api.identity.PrincipalName;
027    import org.kuali.rice.kew.api.user.UserId;
028    import org.kuali.rice.kew.identity.service.IdentityHelperService;
029    import org.kuali.rice.kew.workgroup.GroupId;
030    import org.kuali.rice.kew.workgroup.GroupNameId;
031    import org.kuali.rice.kew.workgroup.WorkflowGroupId;
032    import org.kuali.rice.kim.api.group.Group;
033    import org.kuali.rice.kim.api.identity.Person;
034    import org.kuali.rice.kim.api.identity.principal.Principal;
035    import org.kuali.rice.kim.api.services.KimApiServiceLocator;
036    
037    /**
038     *
039     * @author Kuali Rice Team (rice.collab@kuali.org)
040     *
041     */
042    public class IdentityHelperServiceImpl implements IdentityHelperService {
043    
044            private static final Log logger = LogFactory.getLog(IdentityHelperServiceImpl.class);
045    
046                    public String getIdForPrincipalName(String principalName) {
047                    if (principalName == null) {
048                            throw new RiceIllegalArgumentException("Can't lookup a principal ID for a null principal name.");
049                    }
050                    Principal principal = KimApiServiceLocator.getIdentityService().getPrincipalByPrincipalName(principalName);
051                    if (principal == null) {
052                            throw new RiceIllegalArgumentException("Given principal name of '" + principalName + "' was invalid.  Failed to lookup a corresponding principal ID.");
053                    }
054                    return principal.getPrincipalId();
055            }
056    
057                    public void validatePrincipalId(String principalId) {
058                            // the getPrincipal method attempts to load the principal with the id and throws an exception if it fails
059                            getPrincipal(principalId);
060                    }
061    
062            public String getIdForGroupName(String namespace, String groupName) {
063                    Group group = KimApiServiceLocator.getGroupService().getGroupByNamespaceCodeAndName(namespace, groupName);
064                    if (group == null) {
065                            throw new RiceIllegalArgumentException("Given namespace of '" + namespace + "' and name of '" + groupName + "' was invalid.  Failed to lookup a corresponding group ID.");
066                    }
067                    return group.getId();
068            }
069    
070    
071            public Recipient getPrincipalRecipient(String principalId) {
072                    Principal principal = getPrincipal(principalId);
073                    return new KimPrincipalRecipient(principal);
074            }
075    
076            public Principal getPrincipal(String principalId) {
077                    Principal principal = KimApiServiceLocator.getIdentityService().getPrincipal(principalId);
078                    if (principal == null) {
079                            throw new RiceIllegalArgumentException("Could not locate a principal with the given principalId of " + principalId);
080                    }
081                    return principal;
082            }
083    
084            public Principal getPrincipalByPrincipalName(String principalName) {
085                    Principal principal = KimApiServiceLocator.getIdentityService().getPrincipalByPrincipalName(principalName);
086                    if (principal == null) {
087                            throw new RiceIllegalArgumentException("Could not locate a principal with the given principalName of " + principalName);
088                    }
089                    return principal;
090            }
091    
092            public Group getGroupByName(String namespaceCode, String name) {
093                    Group group = KimApiServiceLocator.getGroupService().getGroupByNamespaceCodeAndName(namespaceCode, name);
094                    if (group == null) {
095                            throw new RiceIllegalArgumentException("Could not locate a group with the given namspace of '" + namespaceCode + "' and group name of '" + name + "'");
096                    }
097                    return group;
098            }
099    
100            public Person getPerson(String principalId) {
101                    Person person = KimApiServiceLocator.getPersonService().getPerson(principalId);
102                    if (person == null) {
103                            throw new RiceIllegalArgumentException("Could not locate a person with the given principal id of " + principalId);
104                    }
105                    return person;
106            }
107    
108            public Person getPersonByPrincipalName(String principalName) {
109                    Person person = KimApiServiceLocator.getPersonService().getPersonByPrincipalName(principalName);
110                    if (person == null) {
111                            throw new RiceIllegalArgumentException("Could not locate a person with the given principal name of " + principalName);
112                    }
113                    return person;
114            }
115    
116            public Person getPersonByEmployeeId(String employeeId) {
117                    Person person = KimApiServiceLocator.getPersonService().getPersonByEmployeeId(employeeId);
118                    if (person == null) {
119                            throw new RiceIllegalArgumentException("Could not locate a person with the given employee id of " + employeeId);
120                    }
121                    return person;
122            }
123    
124    
125            public Group getGroup(String groupId) {
126                    Group group = KimApiServiceLocator.getGroupService().getGroup(groupId);
127                    if (group == null) {
128                            throw new RiceIllegalArgumentException("Could not locate a group with the given groupId of " + groupId);
129                    }
130                    return group;
131            }
132    
133            public Group getGroup(GroupId groupId) {
134                    if (groupId == null || groupId.isEmpty()) {
135                            return null;
136                    } else if (groupId instanceof WorkflowGroupId) {
137                            return KimApiServiceLocator.getGroupService().getGroup(""+((WorkflowGroupId)groupId).getGroupId());
138                    } else if (groupId instanceof GroupNameId) {
139                            return KimApiServiceLocator.getGroupService().getGroupByNamespaceCodeAndName(
140                        ((GroupNameId) groupId).getNamespace(), ((GroupNameId) groupId).getNameId());
141                    }
142                    throw new RiceIllegalArgumentException("Invalid GroupId type was passed: " + groupId);
143            }
144    
145            public Principal getPrincipal(UserId userId) {
146                    if (userId == null) {
147                            return null;
148                    } else if (userId instanceof PrincipalId) {
149                            String principalId = ((PrincipalId)userId).getPrincipalId();
150                            return KimApiServiceLocator.getIdentityService().getPrincipal(principalId);
151                    } else if (userId instanceof PrincipalName) {
152                            String principalName = ((PrincipalName)userId).getId();
153                            return KimApiServiceLocator.getIdentityService().getPrincipalByPrincipalName(principalName);
154                    } else if (userId instanceof EmployeeId) {
155                            String employeeId = ((EmployeeId)userId).getEmployeeId();
156                            Person person = getPersonByEmployeeId(employeeId);
157                            return getPrincipal(person.getPrincipalId());
158                    }
159                    throw new RiceIllegalArgumentException("Invalid UserIdDTO type was passed: " + userId);
160            }
161            
162            public Principal getSystemPrincipal() {
163                    return getPrincipalByPrincipalName(KewApiConstants.SYSTEM_USER);
164            }
165    
166    }