| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. 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, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.s3.blobstore.functions; |
| 20 | |
| 21 | import java.util.Map; |
| 22 | |
| 23 | import javax.inject.Inject; |
| 24 | import javax.inject.Singleton; |
| 25 | |
| 26 | import org.jclouds.blobstore.domain.MutableBlobMetadata; |
| 27 | import org.jclouds.blobstore.domain.StorageType; |
| 28 | import org.jclouds.blobstore.domain.internal.MutableBlobMetadataImpl; |
| 29 | import org.jclouds.blobstore.strategy.IfDirectoryReturnNameStrategy; |
| 30 | import org.jclouds.http.HttpUtils; |
| 31 | import org.jclouds.s3.domain.AccessControlList; |
| 32 | import org.jclouds.s3.domain.ObjectMetadata; |
| 33 | import org.jclouds.s3.domain.AccessControlList.GroupGranteeURI; |
| 34 | import org.jclouds.s3.domain.AccessControlList.Permission; |
| 35 | |
| 36 | import com.google.common.base.Function; |
| 37 | |
| 38 | /** |
| 39 | * @author Adrian Cole |
| 40 | */ |
| 41 | @Singleton |
| 42 | public class ObjectToBlobMetadata implements Function<ObjectMetadata, MutableBlobMetadata> { |
| 43 | private final IfDirectoryReturnNameStrategy ifDirectoryReturnName; |
| 44 | private final Map<String, AccessControlList> bucketAcls; |
| 45 | |
| 46 | @Inject |
| 47 | public ObjectToBlobMetadata(IfDirectoryReturnNameStrategy ifDirectoryReturnName, |
| 48 | Map<String, AccessControlList> bucketAcls) { |
| 49 | this.ifDirectoryReturnName = ifDirectoryReturnName; |
| 50 | this.bucketAcls = bucketAcls; |
| 51 | } |
| 52 | |
| 53 | public MutableBlobMetadata apply(ObjectMetadata from) { |
| 54 | if (from == null) |
| 55 | return null; |
| 56 | MutableBlobMetadata to = new MutableBlobMetadataImpl(); |
| 57 | HttpUtils.copy(from.getContentMetadata(), to.getContentMetadata()); |
| 58 | try { |
| 59 | AccessControlList bucketAcl = bucketAcls.get(from.getBucket()); |
| 60 | if (bucketAcl.hasPermission(GroupGranteeURI.ALL_USERS, Permission.READ)) |
| 61 | to.setPublicUri(from.getUri()); |
| 62 | } catch (NullPointerException e) { |
| 63 | // MapMaker cannot return null, but a call to get acls can |
| 64 | } |
| 65 | to.setUri(from.getUri()); |
| 66 | to.setContainer(from.getBucket()); |
| 67 | to.setETag(from.getETag()); |
| 68 | to.setName(from.getKey()); |
| 69 | to.setLastModified(from.getLastModified()); |
| 70 | to.setUserMetadata(from.getUserMetadata()); |
| 71 | String directoryName = ifDirectoryReturnName.execute(to); |
| 72 | if (directoryName != null) { |
| 73 | to.setName(directoryName); |
| 74 | to.setType(StorageType.RELATIVE_PATH); |
| 75 | } else { |
| 76 | to.setType(StorageType.BLOB); |
| 77 | } |
| 78 | return to; |
| 79 | } |
| 80 | } |