1 | /** |
2 | * |
3 | * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com> |
4 | * |
5 | * ==================================================================== |
6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
7 | * you may not use this file except in compliance with the License. |
8 | * You may obtain a copy of the License at |
9 | * |
10 | * http://www.apache.org/licenses/LICENSE-2.0 |
11 | * |
12 | * Unless required by applicable law or agreed to in writing, software |
13 | * distributed under the License is distributed on an "AS IS" BASIS, |
14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
15 | * See the License for the specific language governing permissions and |
16 | * limitations under the License. |
17 | * ==================================================================== |
18 | */ |
19 | package org.jclouds.openstack.swift.blobstore.functions; |
20 | |
21 | import javax.inject.Inject; |
22 | import javax.inject.Singleton; |
23 | |
24 | import org.jclouds.blobstore.domain.MutableBlobMetadata; |
25 | import org.jclouds.blobstore.domain.StorageType; |
26 | import org.jclouds.blobstore.domain.internal.MutableBlobMetadataImpl; |
27 | import org.jclouds.blobstore.strategy.IfDirectoryReturnNameStrategy; |
28 | import org.jclouds.crypto.CryptoStreams; |
29 | import org.jclouds.openstack.swift.domain.MutableObjectInfoWithMetadata; |
30 | import org.jclouds.openstack.swift.domain.ObjectInfo; |
31 | |
32 | import com.google.common.base.Function; |
33 | |
34 | /** |
35 | * @author Adrian Cole |
36 | */ |
37 | @Singleton |
38 | public class ObjectToBlobMetadata implements Function<ObjectInfo, MutableBlobMetadata> { |
39 | private final IfDirectoryReturnNameStrategy ifDirectoryReturnName; |
40 | |
41 | @Inject |
42 | public ObjectToBlobMetadata(IfDirectoryReturnNameStrategy ifDirectoryReturnName) { |
43 | this.ifDirectoryReturnName = ifDirectoryReturnName; |
44 | } |
45 | |
46 | public MutableBlobMetadata apply(ObjectInfo from) { |
47 | if (from == null) |
48 | return null; |
49 | MutableBlobMetadata to = new MutableBlobMetadataImpl(); |
50 | to.getContentMetadata().setContentMD5(from.getHash()); |
51 | if (from.getContentType() != null) |
52 | to.getContentMetadata().setContentType(from.getContentType()); |
53 | if (from.getHash() != null) |
54 | to.setETag(CryptoStreams.hex(from.getHash())); |
55 | to.setName(from.getName()); |
56 | if (from.getBytes() != null) |
57 | to.getContentMetadata().setContentLength(from.getBytes()); |
58 | if (from.getLastModified() != null) |
59 | to.setLastModified(from.getLastModified()); |
60 | if (from instanceof MutableObjectInfoWithMetadata) |
61 | to.setUserMetadata(((MutableObjectInfoWithMetadata) from).getMetadata()); |
62 | String directoryName = ifDirectoryReturnName.execute(to); |
63 | if (directoryName != null) { |
64 | to.setName(directoryName); |
65 | to.setType(StorageType.RELATIVE_PATH); |
66 | } else { |
67 | to.setType(StorageType.BLOB); |
68 | } |
69 | return to; |
70 | } |
71 | } |