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