001    /**
002     * Copyright 2005-2012 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.kim.impl.jaxb;
017    
018    import java.io.Serializable;
019    import java.util.ArrayList;
020    import java.util.List;
021    
022    import javax.xml.bind.Marshaller;
023    import javax.xml.bind.UnmarshalException;
024    import javax.xml.bind.Unmarshaller;
025    import javax.xml.bind.annotation.XmlAccessType;
026    import javax.xml.bind.annotation.XmlAccessorType;
027    import javax.xml.bind.annotation.XmlElement;
028    import javax.xml.bind.annotation.XmlTransient;
029    import javax.xml.bind.annotation.XmlType;
030    
031    import org.kuali.rice.core.util.jaxb.RiceXmlExportList;
032    import org.kuali.rice.core.util.jaxb.RiceXmlImportList;
033    import org.kuali.rice.core.util.jaxb.RiceXmlListAdditionListener;
034    import org.kuali.rice.core.util.jaxb.RiceXmlListGetterListener;
035    import org.kuali.rice.kim.api.permission.PermissionContract;
036    import org.kuali.rice.kim.api.services.KimApiServiceLocator;
037    
038    /**
039     * Base class representing an unmarshalled <rolePermissions> element.
040     * Refer to the static inner classes for more information about the specific contexts.
041     * 
042     * TODO: Alter the role/permission service APIs so that finding all the permissions assigned to a role is possible; the
043     * current lack of such an API method prevents role permissions from being exported.
044     * 
045     * @author Kuali Rice Team (rice.collab@kuali.org)
046     */
047    @XmlTransient
048    public abstract class RolePermissionsXmlDTO<T extends RolePermissionXmlDTO> implements RiceXmlListAdditionListener<T>, Serializable {
049        
050        private static final long serialVersionUID = 1L;
051    
052        public abstract List<T> getRolePermissions();
053        
054        public abstract void setRolePermissions(List<T> rolePermissions);
055        
056        void beforeUnmarshal(Unmarshaller unmarshaller, Object parent) throws UnmarshalException {
057            setRolePermissions(new RiceXmlImportList<T>(this));
058        }
059        
060        void afterUnmarshal(Unmarshaller unmarshaller, Object parent) throws UnmarshalException {
061            setRolePermissions(null);
062        }
063        
064        // =======================================================================================================
065        
066        /**
067         * This class represents a &lt;rolePermissions&gt; element that is not a child of a &lt;role&gt; element.
068         * 
069         * @author Kuali Rice Team (rice.collab@kuali.org)
070         */
071        @XmlAccessorType(XmlAccessType.FIELD)
072        @XmlType(name="StandaloneRolePermissionsType", propOrder={"rolePermissions"})
073        public static class OutsideOfRole extends RolePermissionsXmlDTO<RolePermissionXmlDTO.OutsideOfRole> {
074            
075            private static final long serialVersionUID = 1L;
076            
077            @XmlElement(name="rolePermission")
078            private List<RolePermissionXmlDTO.OutsideOfRole> rolePermissions;
079            
080            public List<RolePermissionXmlDTO.OutsideOfRole> getRolePermissions() {
081                return rolePermissions;
082            }
083    
084            public void setRolePermissions(List<RolePermissionXmlDTO.OutsideOfRole> rolePermissions) {
085                this.rolePermissions = rolePermissions;
086            }
087            
088            public void newItemAdded(RolePermissionXmlDTO.OutsideOfRole item) {
089                try {
090                    RoleXmlUtil.validateAndPersistNewRolePermission(item);
091                } catch (UnmarshalException e) {
092                    throw new RuntimeException(e);
093                }
094            }
095            
096        }
097        
098        // =======================================================================================================
099        
100        /**
101         * This class represents a &lt;rolePermissions&gt; element that is a child of a &lt;role&gt; element.
102         * 
103         * @author Kuali Rice Team (rice.collab@kuali.org)
104         */
105        @XmlAccessorType(XmlAccessType.FIELD)
106        @XmlType(name="RolePermissionsType", propOrder={"rolePermissions"})
107        public static class WithinRole extends RolePermissionsXmlDTO<RolePermissionXmlDTO.WithinRole>
108                implements RiceXmlListGetterListener<RolePermissionXmlDTO.WithinRole,String> {
109            
110            private static final long serialVersionUID = 1L;
111    
112            @XmlElement(name="rolePermission")
113            private List<RolePermissionXmlDTO.WithinRole> rolePermissions;
114            
115            @XmlTransient
116            private String roleId;
117            
118            public WithinRole() {}
119            
120            public WithinRole(String roleId) {
121                this.roleId = roleId;
122            }
123            
124            public List<RolePermissionXmlDTO.WithinRole> getRolePermissions() {
125                return rolePermissions;
126            }
127    
128            public void setRolePermissions(List<RolePermissionXmlDTO.WithinRole> rolePermissions) {
129                this.rolePermissions = rolePermissions;
130            }
131            
132            public String getRoleId() {
133                return roleId;
134            }
135            
136            @Override
137            void beforeUnmarshal(Unmarshaller unmarshaller, Object parent) throws UnmarshalException {
138                if (parent instanceof RoleXmlDTO) {
139                    // Obtain the role ID from the enclosing role, and persist the role if it has not been persisted yet.
140                    RoleXmlDTO parentRole = (RoleXmlDTO) parent;
141                    if (!parentRole.isAlreadyPersisted()) {
142                        RoleXmlUtil.validateAndPersistNewRole(parentRole);
143                    }
144                    roleId = parentRole.getRoleId();
145                }
146                super.beforeUnmarshal(unmarshaller, parent);
147            }
148            
149            public void newItemAdded(RolePermissionXmlDTO.WithinRole item) {
150                try {
151                    RoleXmlUtil.validateAndPersistNewRolePermission(item);
152                } catch (UnmarshalException e) {
153                    throw new RuntimeException(e);
154                }
155            }
156            
157            void beforeMarshal(Marshaller marshaller) {
158                // TODO: Use new API method once it becomes available!!!!
159                List<String> permissionIds = new ArrayList<String>();// KIMServiceLocator.getPermissionService().getRoleIdsForPermission(permissionId);
160                if (permissionIds != null && !permissionIds.isEmpty()) {
161                    setRolePermissions(new RiceXmlExportList<RolePermissionXmlDTO.WithinRole,String>(permissionIds, this));
162                }
163            }
164            
165            void afterMarshal(Marshaller marshaller) {
166                setRolePermissions(null);
167            }
168    
169            public RolePermissionXmlDTO.WithinRole gettingNextItem(String nextItem, int index) {
170                PermissionContract permission = KimApiServiceLocator.getPermissionService().getPermission(nextItem);
171                if (permission == null) {
172                    throw new RuntimeException("Cannot find permission with ID \"" + nextItem + "\"");
173                }
174                return new RolePermissionXmlDTO.WithinRole(permission, false);
175            }
176        }
177    }