| /** |
| * Licensed to jclouds, Inc. (jclouds) under one or more |
| * contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. jclouds 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.jclouds.hpcloud.objectstorage.functions; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| import org.jclouds.http.HttpRequest; |
| import org.jclouds.http.HttpResponse; |
| import org.jclouds.openstack.swift.domain.ContainerMetadata; |
| import org.jclouds.openstack.swift.reference.SwiftHeaders; |
| import org.jclouds.rest.InvocationContext; |
| import org.jclouds.rest.internal.GeneratedHttpRequest; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.common.base.Function; |
| import com.google.common.collect.Maps; |
| |
| /** |
| * This parses @{link {@link org.jclouds.openstack.swift.domain.ContainerMetadata} from |
| * HTTP headers. |
| * |
| * @author Jeremy Daggett |
| */ |
| public class ParseContainerMetadataFromHeaders implements Function<HttpResponse, ContainerMetadata>, |
| InvocationContext<ParseContainerMetadataFromHeaders> { |
| private GeneratedHttpRequest request; |
| |
| public ContainerMetadata apply(HttpResponse from) { |
| return ContainerMetadata.builder().name(request.getArgs().get(0).toString()) |
| .readACL(from.getFirstHeaderOrNull(SwiftHeaders.CONTAINER_READ)) |
| .bytes(Long.valueOf(from.getFirstHeaderOrNull(SwiftHeaders.CONTAINER_BYTES_USED))) |
| .count(Long.valueOf(from.getFirstHeaderOrNull(SwiftHeaders.CONTAINER_OBJECT_COUNT))) |
| .metadata(extractUserMetadata(from)).build(); |
| } |
| |
| |
| @VisibleForTesting |
| Map<String, String> extractUserMetadata(HttpResponse from) { |
| Map<String, String> metadata = Maps.newHashMap(); |
| for (Entry<String, String> header : from.getHeaders().entries()) { |
| if (header.getKey() != null && header.getKey().startsWith(SwiftHeaders.CONTAINER_METADATA_PREFIX)) |
| metadata.put((header.getKey().substring(SwiftHeaders.CONTAINER_METADATA_PREFIX.length())).toLowerCase(), |
| header.getValue()); |
| } |
| return metadata; |
| } |
| |
| @Override |
| public ParseContainerMetadataFromHeaders setContext(HttpRequest request) { |
| checkArgument(request instanceof GeneratedHttpRequest, "note this handler requires a GeneratedHttpRequest"); |
| this.request = (GeneratedHttpRequest) request; |
| return this; |
| } |
| |
| } |