| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.syncope.ext.scimv2.cxf; |
| |
| import java.io.IOException; |
| import java.util.Date; |
| import javax.ws.rs.container.ContainerRequestContext; |
| import javax.ws.rs.container.ContainerResponseContext; |
| import javax.ws.rs.container.ContainerResponseFilter; |
| import javax.ws.rs.core.EntityTag; |
| import javax.ws.rs.core.HttpHeaders; |
| import javax.ws.rs.ext.Provider; |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.syncope.ext.scimv2.api.data.SCIMGroup; |
| import org.apache.syncope.ext.scimv2.api.data.SCIMUser; |
| |
| @Provider |
| public class AddETagFilter implements ContainerResponseFilter { |
| |
| @Override |
| public void filter(final ContainerRequestContext reqCtx, final ContainerResponseContext resCtx) throws IOException { |
| if (resCtx.getEntityTag() == null) { |
| Date lastModified; |
| if (resCtx.getEntity() instanceof SCIMUser) { |
| lastModified = ((SCIMUser) resCtx.getEntity()).getMeta().getLastModified(); |
| if (resCtx.getEntity() instanceof SCIMGroup) { |
| lastModified = ((SCIMGroup) resCtx.getEntity()).getMeta().getLastModified(); |
| } |
| |
| if (lastModified != null) { |
| String etagValue = String.valueOf(lastModified.getTime()); |
| if (StringUtils.isNotBlank(etagValue)) { |
| resCtx.getHeaders().add(HttpHeaders.ETAG, new EntityTag(etagValue, true).toString()); |
| } |
| } |
| } |
| } |
| } |
| } |