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.krad.kim;
017    
018    import org.apache.commons.lang.StringUtils;
019    import org.kuali.rice.kim.api.KimConstants;
020    import org.kuali.rice.kim.api.permission.Permission;
021    import org.kuali.rice.kim.impl.permission.PermissionBo;
022    import org.kuali.rice.kns.kim.permission.PermissionTypeServiceBase;
023    
024    import java.util.ArrayList;
025    import java.util.Collections;
026    import java.util.List;
027    import java.util.Map;
028    
029    /**
030     * Type service for the 'View Field' KIM type which matches on the id for a UIF view, field id or property name
031     *
032     * @author Kuali Rice Team (rice.collab@kuali.org)
033     */
034    public class ViewFieldPermissionTypeServiceImpl extends PermissionTypeServiceBase {
035    
036        @Override
037        protected List<String> getRequiredAttributes() {
038            List<String> attributes = new ArrayList<String>(super.getRequiredAttributes());
039            attributes.add(KimConstants.AttributeConstants.VIEW_ID);
040    
041            return Collections.unmodifiableList(attributes);
042        }
043    
044        /**
045         * Filters the given permission list to return those that match on field id or property name, then calls super
046         * to filter based on view id
047         *
048         * @param requestedDetails - map of details requested with permission (used for matching)
049         * @param permissionsList - list of permissions to process for matches
050         * @return List<Permission> list of permissions that match the requested details
051         */
052        @Override
053        protected List<Permission> performPermissionMatches(Map<String, String> requestedDetails,
054                List<Permission> permissionsList) {
055    
056            String requestedFieldId = null;
057            if (requestedDetails.containsKey(KimConstants.AttributeConstants.FIELD_ID)) {
058                requestedFieldId = requestedDetails.get(KimConstants.AttributeConstants.FIELD_ID);
059            }
060    
061            String requestedPropertyName = null;
062            if (requestedDetails.containsKey(KimConstants.AttributeConstants.PROPERTY_NAME)) {
063                requestedPropertyName = requestedDetails.get(KimConstants.AttributeConstants.PROPERTY_NAME);
064            }
065    
066            List<Permission> matchingPermissions = new ArrayList<Permission>();
067            for (Permission permission : permissionsList) {
068                PermissionBo bo = PermissionBo.from(permission);
069    
070                String permissionFieldId = null;
071                if (bo.getDetails().containsKey(KimConstants.AttributeConstants.FIELD_ID)) {
072                    permissionFieldId = bo.getDetails().get(KimConstants.AttributeConstants.FIELD_ID);
073                }
074    
075                String permissionPropertyName = null;
076                if (bo.getDetails().containsKey(KimConstants.AttributeConstants.PROPERTY_NAME)) {
077                    permissionPropertyName = bo.getDetails().get(KimConstants.AttributeConstants.PROPERTY_NAME);
078                }
079    
080                if ((requestedFieldId != null) && (permissionFieldId != null) && StringUtils.equals(requestedFieldId,
081                        permissionFieldId)) {
082                    matchingPermissions.add(permission);
083                } else if ((requestedPropertyName != null) && (permissionPropertyName != null) && StringUtils.equals(
084                        requestedPropertyName, permissionPropertyName)) {
085                    matchingPermissions.add(permission);
086                }
087            }
088    
089            return super.performPermissionMatches(requestedDetails, matchingPermissions);
090        }
091    
092    }