001/**
002 * Copyright 2005-2015 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 */
016package org.kuali.rice.kim.impl.jaxb;
017
018import java.io.Serializable;
019import java.util.ArrayList;
020import java.util.Collections;
021import java.util.HashSet;
022import java.util.List;
023import java.util.Set;
024
025import javax.xml.bind.Marshaller;
026import javax.xml.bind.UnmarshalException;
027import javax.xml.bind.Unmarshaller;
028import javax.xml.bind.annotation.XmlAccessType;
029import javax.xml.bind.annotation.XmlAccessorType;
030import javax.xml.bind.annotation.XmlElement;
031import javax.xml.bind.annotation.XmlTransient;
032import javax.xml.bind.annotation.XmlType;
033
034import org.kuali.rice.core.api.criteria.QueryByCriteria;
035import org.kuali.rice.core.util.jaxb.RiceXmlExportList;
036import org.kuali.rice.core.util.jaxb.RiceXmlImportList;
037import org.kuali.rice.core.util.jaxb.RiceXmlListAdditionListener;
038import org.kuali.rice.core.util.jaxb.RiceXmlListGetterListener;
039import org.kuali.rice.kim.api.role.RoleMember;
040import org.kuali.rice.kim.api.role.RoleMemberContract;
041import org.kuali.rice.kim.api.services.KimApiServiceLocator;
042
043import static org.kuali.rice.core.api.criteria.PredicateFactory.equal;
044
045/**
046 * Base class representing an unmarshalled <roleMembers> element.
047 * Refer to the static inner classes for more information about the specific contexts.
048 * 
049 * @author Kuali Rice Team (rice.collab@kuali.org)
050 */
051@XmlTransient
052public abstract class RoleMembersXmlDTO<T extends RoleMemberXmlDTO> implements RiceXmlListAdditionListener<T>, Serializable {
053
054    private static final long serialVersionUID = 1L;
055
056    public abstract List<T> getRoleMembers();
057    
058    public abstract void setRoleMembers(List<T> roleMembers);
059    
060    void beforeUnmarshal(Unmarshaller unmarshaller, Object parent) throws UnmarshalException {
061        setRoleMembers(new RiceXmlImportList<T>(this));
062    }
063    
064    void afterUnmarshal(Unmarshaller unmarshaller, Object parent) throws UnmarshalException {
065        setRoleMembers(null);
066    }
067    
068    // =======================================================================================================
069    
070    /**
071     * This class represents a &lt;roleMembers&gt; element that is not a child of a &lt;role&gt; element.
072     * 
073     * @author Kuali Rice Team (rice.collab@kuali.org)
074     */
075    @XmlAccessorType(XmlAccessType.FIELD)
076    @XmlType(name="StandaloneRoleMembersType", propOrder={"roleMembers"})
077    public static class OutsideOfRole extends RoleMembersXmlDTO<RoleMemberXmlDTO.OutsideOfRole> {
078
079        private static final long serialVersionUID = 1L;
080        
081        @XmlElement(name="roleMember")
082        private List<RoleMemberXmlDTO.OutsideOfRole> roleMembers;
083
084        /**
085         * @see org.kuali.rice.kim.impl.jaxb.RoleMembersXmlDTO#getRoleMembers()
086         */
087        @Override
088        public List<RoleMemberXmlDTO.OutsideOfRole> getRoleMembers() {
089            return this.roleMembers;
090        }
091
092        /**
093         * @see org.kuali.rice.kim.impl.jaxb.RoleMembersXmlDTO#setRoleMembers(java.util.List)
094         */
095        @Override
096        public void setRoleMembers(List<RoleMemberXmlDTO.OutsideOfRole> roleMembers) {
097            this.roleMembers = roleMembers;
098        }
099
100        /**
101         * @see org.kuali.rice.core.util.jaxb.RiceXmlListAdditionListener#newItemAdded(java.lang.Object)
102         */
103        @Override
104        public void newItemAdded(RoleMemberXmlDTO.OutsideOfRole item) {
105            try {
106                RoleXmlUtil.validateAndPersistNewRoleMember(item);
107            } catch (UnmarshalException e) {
108                throw new RuntimeException(e);
109            }
110        }
111    }
112    
113    // =======================================================================================================
114    
115    /**
116     * This class represents a &lt;roleMembers&gt; element that is a child of a &lt;role&gt; element.
117     * 
118     * @author Kuali Rice Team (rice.collab@kuali.org)
119     */
120    @XmlAccessorType(XmlAccessType.FIELD)
121    @XmlType(name="RoleMembersType", propOrder={"roleMembers"})
122    public static class WithinRole extends RoleMembersXmlDTO<RoleMemberXmlDTO.WithinRole>
123            implements RiceXmlListGetterListener<RoleMemberXmlDTO.WithinRole,String> {
124
125        private static final long serialVersionUID = 1L;
126        
127        @XmlElement(name="roleMember")
128        private List<RoleMemberXmlDTO.WithinRole> roleMembers;
129
130        @XmlTransient
131        private String roleId;
132        
133        @XmlTransient
134        private Set<String> existingRoleMemberIds;
135        
136        public WithinRole() {}
137        
138        public WithinRole(String roleId) {
139            this.roleId = roleId;
140        }
141        
142        /**
143         * @see org.kuali.rice.kim.impl.jaxb.RoleMembersXmlDTO#getRoleMembers()
144         */
145        @Override
146        public List<org.kuali.rice.kim.impl.jaxb.RoleMemberXmlDTO.WithinRole> getRoleMembers() {
147            return this.roleMembers;
148        }
149
150        /**
151         * @see org.kuali.rice.kim.impl.jaxb.RoleMembersXmlDTO#setRoleMembers(java.util.List)
152         */
153        @Override
154        public void setRoleMembers(List<org.kuali.rice.kim.impl.jaxb.RoleMemberXmlDTO.WithinRole> roleMembers) {
155            this.roleMembers = roleMembers;
156        }
157        
158        /**
159         * @return the roleId
160         */
161        public String getRoleId() {
162            return this.roleId;
163        }
164
165        /**
166         * @see org.kuali.rice.kim.impl.jaxb.RoleMembersXmlDTO#beforeUnmarshal(javax.xml.bind.Unmarshaller, java.lang.Object)
167         */
168        @Override
169        void beforeUnmarshal(Unmarshaller unmarshaller, Object parent) throws UnmarshalException {
170            if (parent instanceof RoleXmlDTO) {
171                // Obtain the role ID from the enclosing role, and persist the role if it has not been persisted yet.
172                RoleXmlDTO parentRole = (RoleXmlDTO) parent;
173                if (!parentRole.isAlreadyPersisted()) {
174                    RoleXmlUtil.validateAndPersistNewRole(parentRole);
175                }
176                roleId = parentRole.getRoleId();
177            }
178            existingRoleMemberIds = new HashSet<String>();
179            super.beforeUnmarshal(unmarshaller, parent);
180        }
181
182        /**
183         * This overridden method ...
184         * 
185         * @see org.kuali.rice.kim.impl.jaxb.RoleMembersXmlDTO#afterUnmarshal(javax.xml.bind.Unmarshaller, java.lang.Object)
186         */
187        @Override
188        void afterUnmarshal(Unmarshaller unmarshaller, Object parent) throws UnmarshalException {
189            super.afterUnmarshal(unmarshaller, parent);
190            if (parent instanceof RoleXmlDTO) {
191                ((RoleXmlDTO)parent).setExistingRoleMemberIds(existingRoleMemberIds);
192            }
193            existingRoleMemberIds = null;
194        }
195
196        /**
197         * @see org.kuali.rice.core.util.jaxb.RiceXmlListAdditionListener#newItemAdded(java.lang.Object)
198         */
199        @Override
200        public void newItemAdded(org.kuali.rice.kim.impl.jaxb.RoleMemberXmlDTO.WithinRole item) {
201            // Persist the role member and add it to the set of role members that should not be removed from the role.
202            try {
203                existingRoleMemberIds.add(RoleXmlUtil.validateAndPersistNewRoleMember(item));
204            } catch (UnmarshalException e) {
205                throw new RuntimeException(e);
206            }
207        }
208        
209        void beforeMarshal(Marshaller marshaller) {
210            List<RoleMember> tempMembers = KimApiServiceLocator.getRoleService().findRoleMembers(
211                    QueryByCriteria.Builder.fromPredicates(equal("roleId", roleId))).getResults();
212            if (tempMembers != null && !tempMembers.isEmpty()) {
213                List<String> roleMemberIds = new ArrayList<String>();
214                
215                for (RoleMemberContract tempMember : tempMembers) {
216                    if (tempMember.isActive(null)) {
217                        roleMemberIds.add(tempMember.getId());
218                    }
219                }
220                
221                if (!roleMemberIds.isEmpty()) {
222                    setRoleMembers(new RiceXmlExportList<RoleMemberXmlDTO.WithinRole,String>(roleMemberIds, this));
223                }
224            }
225        }
226        
227        void afterMarshal(Marshaller marshaller) {
228            setRoleMembers(null);
229        }
230
231        /**
232         * @see org.kuali.rice.core.util.jaxb.RiceXmlListGetterListener#gettingNextItem(java.lang.Object, int)
233         */
234        @Override
235        public RoleMemberXmlDTO.WithinRole gettingNextItem(String nextItem, int index) {
236            return new RoleMemberXmlDTO.WithinRole(KimApiServiceLocator.getRoleService().findRoleMembers(QueryByCriteria.Builder.fromPredicates(equal("roleMemberId", nextItem))).getResults().get(0), false);
237        }
238    }
239}