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   1 /**
   2  *  This document is a part of the source code and related artifacts
   3  *  for CollectionSpace, an open source collections management system
   4  *  for museums and related institutions:
   5
   6  *  http://www.collectionspace.org
   7  *  http://wiki.collectionspace.org
   8
   9  *  Copyright 2009 University of California at Berkeley
  10
  11  *  Licensed under the Educational Community License (ECL), Version 2.0.
  12  *  You may not use this file except in compliance with this License.
  13
  14  *  You may obtain a copy of the ECL 2.0 License at
  15
  16  *  https://source.collectionspace.org/collection-space/LICENSE.txt
  17
  18  *  Unless required by applicable law or agreed to in writing, software
  19  *  distributed under the License is distributed on an "AS IS" BASIS,
  20  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  21  *  See the License for the specific language governing permissions and
  22  *  limitations under the License.
  23  */
  24 package org.collectionspace.services.authorization;
  25
  26 import org.collectionspace.services.common.AbstractCollectionSpaceResourceImpl;
  27 import org.collectionspace.services.common.context.RemoteServiceContextFactory;
  28 import org.collectionspace.services.common.context.ServiceContext;
  29 import org.collectionspace.services.common.context.ServiceContextFactory;
  30 import org.collectionspace.services.common.document.DocumentHandler;
  31 import org.collectionspace.services.common.storage.StorageClient;
  32 import org.collectionspace.services.common.storage.jpa.JpaRelationshipStorageClient;
  33 import org.collectionspace.services.common.context.ServiceContextProperties;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 /**
  38  * PermissionRoleSubResource is used to manage permission-role relationship
  39  * @author
  40  */
  41 public class PermissionRoleSubResource
  42         extends AbstractCollectionSpaceResourceImpl<PermissionRole, PermissionRole> {
  43
  44     public final static String ROLE_PERMROLE_SERVICE = "authorization/roles/permroles";
  45     public final static String PERMISSION_PERMROLE_SERVICE = "authorization/permissions/permroles";
  46     //this service is never exposed as standalone RESTful service...just use unique
  47     //service name to identify binding
  48     /** The service name. */
  49     private String serviceName = "authorization/permroles";
  50     /** The logger. */
  51     final Logger logger = LoggerFactory.getLogger(PermissionRoleSubResource.class);
  52     /** The storage client. */
  53     final StorageClient storageClient = new JpaRelationshipStorageClient<PermissionRole>();
  54
  55     public PermissionRoleSubResource(String serviceName) {
  56         this.serviceName = serviceName;
  57     }
  58     /* (non-Javadoc)
  59      * @see org.collectionspace.services.common.AbstractCollectionSpaceResourceImpl#getVersionString()
  60      */
  61
  62     @Override
  63     protected String getVersionString() {
  64         /** The last change revision. */
  65         final String lastChangeRevision = "$LastChangedRevision: 1165 $";
  66         return lastChangeRevision;
  67     }
  68
  69     /* (non-Javadoc)
  70      * @see org.collectionspace.services.common.AbstractCollectionSpaceResourceImpl#getServiceName()
  71      */
  72     @Override
  73     public String getServiceName() {
  74         return serviceName;
  75     }
  76
  77     /* (non-Javadoc)
  78      * @see org.collectionspace.services.common.CollectionSpaceResource#getCommonPartClass()
  79      */
  80     @Override
  81     public Class<PermissionRole> getCommonPartClass() {
  82         return PermissionRole.class;
  83     }
  84
  85     /* (non-Javadoc)
  86      * @see org.collectionspace.services.common.CollectionSpaceResource#getServiceContextFactory()
  87      */
  88     @Override
  89     public ServiceContextFactory<PermissionRole, PermissionRole> getServiceContextFactory() {
  90         return RemoteServiceContextFactory.get();
  91     }
  92
  93     /**
  94      * Creates the service context.
  95      *
  96      * @param input the input
  97      * @param subject the subject
  98      *
  99      * @return the service context< permission role, permission role>
 100      *
 101      * @throws Exception the exception
 102      */
 103     private ServiceContext<PermissionRole, PermissionRole> createServiceContext(PermissionRole input,
 104             SubjectType subject) throws Exception {
 105         ServiceContext<PermissionRole, PermissionRole> ctx = createServiceContext(input);
 106         ctx.setDocumentType(PermissionRole.class.getPackage().getName()); //persistence unit
 107         ctx.setProperty(ServiceContextProperties.ENTITY_NAME, PermissionRoleRel.class.getName());
 108         ctx.setProperty(ServiceContextProperties.ENTITY_CLASS, PermissionRoleRel.class);
 109         //subject name is necessary to indicate if role or permission is a subject
 110         ctx.setProperty(ServiceContextProperties.SUBJECT, subject);
 111         //set context for the relationship query
 112         if (subject == SubjectType.ROLE) {
 113             ctx.setProperty(ServiceContextProperties.OBJECT_CLASS, Permission.class);
 114             ctx.setProperty(ServiceContextProperties.OBJECT_ID, "permission_id");
 115         } else if (subject == SubjectType.PERMISSION) {
 116             ctx.setProperty(ServiceContextProperties.OBJECT_CLASS, Role.class);
 117             ctx.setProperty(ServiceContextProperties.OBJECT_ID, "role_id");
 118         }
 119         return ctx;
 120     }
 121
 122     /* (non-Javadoc)
 123      * @see org.collectionspace.services.common.AbstractCollectionSpaceResourceImpl#getStorageClient(org.collectionspace.services.common.context.ServiceContext)
 124      */
 125     @Override
 126     public StorageClient getStorageClient(ServiceContext<PermissionRole, PermissionRole> ctx) {
 127         //FIXME use ctx to identify storage client
 128         return storageClient;
 129     }
 130
 131 //    @Override
 132 //    public DocumentHandler createDocumentHandler(ServiceContext ctx) throws Exception {
 133 //        DocumentHandler docHandler = ctx.getDocumentHandler();
 134 //        docHandler.setCommonPart(ctx.getInput());
 135 //        return docHandler;
 136 //    }
 137     /**
 138      * createPermissionRole creates one or more permission-role relationships
 139      * between object (permission/role) and subject (role/permission)
 140      * @param input
 141      * @param subject
 142      * @return
 143      * @throws Exception
 144      */
 145     public String createPermissionRole(PermissionRole input, SubjectType subject)
 146             throws Exception {
 147
 148         ServiceContext<PermissionRole, PermissionRole> ctx = createServiceContext(input, subject);
 149         DocumentHandler handler = createDocumentHandler(ctx);
 150         return getStorageClient(ctx).create(ctx, handler);
 151     }
 152
 153     /**
 154      * getPermissionRole retrieves permission-role relationships using given
 155      * csid of object (permission/role) and subject (role/permission)
 156      * @param csid
 157      * @param subject
 158      * @return
 159      * @throws Exception
 160      */
 161     public PermissionRole getPermissionRole(
 162             String csid, SubjectType subject) throws Exception {
 163
 164         if (logger.isDebugEnabled()) {
 165             logger.debug("getPermissionRole with csid=" + csid);
 166         }
 167         PermissionRole result = null;
 168         ServiceContext<PermissionRole, PermissionRole> ctx = createServiceContext((PermissionRole) null, subject);
 169         DocumentHandler handler = createDocumentHandler(ctx);
 170         getStorageClient(ctx).get(ctx, csid, handler);
 171         result = (PermissionRole) ctx.getOutput();
 172
 173         return result;
 174     }
 175
 176     /**
 177      * deletePermissionRole deletes permission-role relationships using given
 178      * csid of object (permission/role) and subject (role/permission)
 179      * @param csid
 180      * @param subject
 181      * @return
 182      * @throws Exception
 183      */
 184     public void deletePermissionRole(String csid,
 185             SubjectType subject) throws Exception {
 186
 187         if (logger.isDebugEnabled()) {
 188             logger.debug("deletePermissionRole with csid=" + csid);
 189         }
 190         ServiceContext<PermissionRole, PermissionRole> ctx = createServiceContext((PermissionRole) null, subject);
 191         getStorageClient(ctx).delete(ctx, csid);
 192     }
 193 }