001/**
002 * Copyright 2005-2016 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.krad.kim;
017
018import org.apache.commons.lang.StringUtils;
019import org.kuali.rice.kim.api.KimConstants;
020import org.kuali.rice.kim.api.permission.Permission;
021import org.kuali.rice.kim.impl.permission.PermissionBo;
022import org.kuali.rice.kns.kim.permission.PermissionTypeServiceBase;
023
024import java.util.ArrayList;
025import java.util.Collections;
026import java.util.List;
027import java.util.Map;
028
029/**
030 * Type service for the 'View Group' KIM type which matches on the id for a UIF view, group id or collection
031 * property name
032 *
033 * @author Kuali Rice Team (rice.collab@kuali.org)
034 */
035public class ViewGroupPermissionTypeServiceImpl extends PermissionTypeServiceBase {
036
037    @Override
038    protected List<String> getRequiredAttributes() {
039        List<String> attributes = new ArrayList<String>(super.getRequiredAttributes());
040        attributes.add(KimConstants.AttributeConstants.VIEW_ID);
041
042        return Collections.unmodifiableList(attributes);
043    }
044
045    /**
046     * Filters the given permission list to return those that match on group id or collection property name, then
047     * calls super to filter based on view id
048     *
049     * @param requestedDetails - map of details requested with permission (used for matching)
050     * @param permissionsList - list of permissions to process for matches
051     * @return List<Permission> list of permissions that match the requested details
052     */
053    @Override
054    protected List<Permission> performPermissionMatches(Map<String, String> requestedDetails,
055            List<Permission> permissionsList) {
056
057        String requestedGroupId = null;
058        if (requestedDetails.containsKey(KimConstants.AttributeConstants.GROUP_ID)) {
059            requestedGroupId = requestedDetails.get(KimConstants.AttributeConstants.GROUP_ID);
060        }
061
062        String requestedCollectionPropertyName = null;
063        if (requestedDetails.containsKey(KimConstants.AttributeConstants.COLLECTION_PROPERTY_NAME)) {
064            requestedCollectionPropertyName = requestedDetails.get(
065                    KimConstants.AttributeConstants.COLLECTION_PROPERTY_NAME);
066        }
067
068        List<Permission> matchingPermissions = new ArrayList<Permission>();
069        for (Permission permission : permissionsList) {
070            PermissionBo bo = PermissionBo.from(permission);
071
072            String permissionGroupId = null;
073            if (bo.getDetails().containsKey(KimConstants.AttributeConstants.GROUP_ID)) {
074                permissionGroupId = bo.getDetails().get(KimConstants.AttributeConstants.GROUP_ID);
075            }
076
077            String permissionCollectionPropertyName = null;
078            if (bo.getDetails().containsKey(KimConstants.AttributeConstants.COLLECTION_PROPERTY_NAME)) {
079                permissionCollectionPropertyName = bo.getDetails().get(
080                        KimConstants.AttributeConstants.COLLECTION_PROPERTY_NAME);
081            }
082
083            if ((requestedGroupId != null) && (permissionGroupId != null) && StringUtils.equals(requestedGroupId,
084                    permissionGroupId)) {
085                matchingPermissions.add(permission);
086            } else if ((requestedCollectionPropertyName != null) && (permissionCollectionPropertyName != null)
087                    && StringUtils.equals(requestedCollectionPropertyName, permissionCollectionPropertyName)) {
088                matchingPermissions.add(permission);
089            }
090        }
091
092        return super.performPermissionMatches(requestedDetails, matchingPermissions);
093    }
094
095}