| /** |
| * 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.s3.blobstore; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| |
| import javax.inject.Inject; |
| import javax.inject.Named; |
| import javax.inject.Provider; |
| import javax.inject.Singleton; |
| |
| import org.jclouds.Constants; |
| import org.jclouds.blobstore.BlobStoreContext; |
| import org.jclouds.blobstore.domain.Blob; |
| import org.jclouds.blobstore.domain.BlobMetadata; |
| import org.jclouds.blobstore.domain.PageSet; |
| import org.jclouds.blobstore.domain.StorageMetadata; |
| import org.jclouds.blobstore.domain.internal.PageSetImpl; |
| import org.jclouds.blobstore.functions.BlobToHttpGetOptions; |
| import org.jclouds.blobstore.internal.BaseAsyncBlobStore; |
| import org.jclouds.blobstore.options.CreateContainerOptions; |
| import org.jclouds.blobstore.options.ListContainerOptions; |
| import org.jclouds.blobstore.options.PutOptions; |
| import org.jclouds.blobstore.strategy.internal.FetchBlobMetadata; |
| import org.jclouds.blobstore.util.BlobUtils; |
| import org.jclouds.collect.Memoized; |
| import org.jclouds.concurrent.Futures; |
| import org.jclouds.domain.Location; |
| import org.jclouds.http.options.GetOptions; |
| import org.jclouds.s3.S3AsyncClient; |
| import org.jclouds.s3.S3Client; |
| import org.jclouds.s3.blobstore.functions.BlobToObject; |
| import org.jclouds.s3.blobstore.functions.BucketToResourceList; |
| import org.jclouds.s3.blobstore.functions.BucketToResourceMetadata; |
| import org.jclouds.s3.blobstore.functions.ContainerToBucketListOptions; |
| import org.jclouds.s3.blobstore.functions.ObjectToBlob; |
| import org.jclouds.s3.blobstore.functions.ObjectToBlobMetadata; |
| import org.jclouds.s3.domain.AccessControlList; |
| import org.jclouds.s3.domain.BucketMetadata; |
| import org.jclouds.s3.domain.CannedAccessPolicy; |
| import org.jclouds.s3.domain.ListBucketResponse; |
| import org.jclouds.s3.domain.ObjectMetadata; |
| import org.jclouds.s3.domain.AccessControlList.GroupGranteeURI; |
| import org.jclouds.s3.domain.AccessControlList.Permission; |
| import org.jclouds.s3.options.ListBucketOptions; |
| import org.jclouds.s3.options.PutBucketOptions; |
| import org.jclouds.s3.options.PutObjectOptions; |
| import org.jclouds.s3.util.S3Utils; |
| |
| import com.google.common.base.Function; |
| import com.google.common.base.Supplier; |
| import com.google.common.cache.CacheLoader; |
| import com.google.common.cache.LoadingCache; |
| import com.google.common.collect.Iterables; |
| import com.google.common.util.concurrent.ListenableFuture; |
| |
| /** |
| * |
| * @author Adrian Cole |
| */ |
| @Singleton |
| public class S3AsyncBlobStore extends BaseAsyncBlobStore { |
| |
| private final S3AsyncClient async; |
| private final S3Client sync; |
| private final BucketToResourceMetadata bucket2ResourceMd; |
| private final ContainerToBucketListOptions container2BucketListOptions; |
| private final BlobToHttpGetOptions blob2ObjectGetOptions; |
| private final BucketToResourceList bucket2ResourceList; |
| private final ObjectToBlob object2Blob; |
| private final BlobToObject blob2Object; |
| private final ObjectToBlobMetadata object2BlobMd; |
| private final Provider<FetchBlobMetadata> fetchBlobMetadataProvider; |
| private final LoadingCache<String, AccessControlList> bucketAcls; |
| |
| @Inject |
| protected S3AsyncBlobStore(BlobStoreContext context, BlobUtils blobUtils, |
| @Named(Constants.PROPERTY_USER_THREADS) ExecutorService service, Supplier<Location> defaultLocation, |
| @Memoized Supplier<Set<? extends Location>> locations, S3AsyncClient async, S3Client sync, |
| BucketToResourceMetadata bucket2ResourceMd, ContainerToBucketListOptions container2BucketListOptions, |
| BucketToResourceList bucket2ResourceList, ObjectToBlob object2Blob, |
| BlobToHttpGetOptions blob2ObjectGetOptions, BlobToObject blob2Object, ObjectToBlobMetadata object2BlobMd, |
| Provider<FetchBlobMetadata> fetchBlobMetadataProvider, LoadingCache<String, AccessControlList> bucketAcls) { |
| super(context, blobUtils, service, defaultLocation, locations); |
| this.blob2ObjectGetOptions = checkNotNull(blob2ObjectGetOptions, "blob2ObjectGetOptions"); |
| this.async = checkNotNull(async, "async"); |
| this.sync = checkNotNull(sync, "sync"); |
| this.bucket2ResourceMd = checkNotNull(bucket2ResourceMd, "bucket2ResourceMd"); |
| this.container2BucketListOptions = checkNotNull(container2BucketListOptions, "container2BucketListOptions"); |
| this.bucket2ResourceList = checkNotNull(bucket2ResourceList, "bucket2ResourceList"); |
| this.object2Blob = checkNotNull(object2Blob, "object2Blob"); |
| this.blob2Object = checkNotNull(blob2Object, "blob2Object"); |
| this.object2BlobMd = checkNotNull(object2BlobMd, "object2BlobMd"); |
| this.fetchBlobMetadataProvider = checkNotNull(fetchBlobMetadataProvider, "fetchBlobMetadataProvider"); |
| this.bucketAcls = checkNotNull(bucketAcls, "bucketAcls"); |
| } |
| |
| /** |
| * This implementation invokes {@link S3AsyncClient#listOwnedBuckets} |
| */ |
| @Override |
| public ListenableFuture<PageSet<? extends StorageMetadata>> list() { |
| return Futures.compose(async.listOwnedBuckets(), |
| new Function<Set<BucketMetadata>, org.jclouds.blobstore.domain.PageSet<? extends StorageMetadata>>() { |
| public org.jclouds.blobstore.domain.PageSet<? extends StorageMetadata> apply(Set<BucketMetadata> from) { |
| return new PageSetImpl<StorageMetadata>(Iterables.transform(from, bucket2ResourceMd), null); |
| } |
| }, service); |
| } |
| |
| /** |
| * This implementation invokes {@link S3AsyncClient#bucketExists} |
| * |
| * @param container |
| * bucket name |
| */ |
| @Override |
| public ListenableFuture<Boolean> containerExists(String container) { |
| return async.bucketExists(container); |
| } |
| |
| /** |
| * This implementation invokes {@link S3AsyncClient#putBucketInRegion} |
| * |
| * @param location |
| * corresponds to Region |
| * @param container |
| * bucket name |
| */ |
| @Override |
| public ListenableFuture<Boolean> createContainerInLocation(Location location, String container) { |
| return createContainerInLocation(location, container, CreateContainerOptions.NONE); |
| } |
| |
| /** |
| * This implementation invokes {@link S3AsyncClient#listBucket} |
| * |
| * @param container |
| * bucket name |
| */ |
| @Override |
| // TODO get rid of compose, as it serializes async results when the executor is single-threaded. |
| public ListenableFuture<PageSet<? extends StorageMetadata>> list(String container, ListContainerOptions options) { |
| ListBucketOptions httpOptions = container2BucketListOptions.apply(options); |
| ListenableFuture<ListBucketResponse> returnVal = async.listBucket(container, httpOptions); |
| ListenableFuture<PageSet<? extends StorageMetadata>> list = Futures.compose(returnVal, bucket2ResourceList, |
| service); |
| return (options.isDetailed()) ? Futures.compose(list, |
| fetchBlobMetadataProvider.get().setContainerName(container), service) : list; |
| } |
| |
| /** |
| * This implementation invokes {@link S3Utils#deleteAndVerifyContainerGone} |
| */ |
| protected boolean deleteAndVerifyContainerGone(final String container) { |
| return S3Utils.deleteAndVerifyContainerGone(sync, container); |
| } |
| |
| /** |
| * This implementation invokes {@link S3AsyncClient#objectExists} |
| * |
| * @param container |
| * bucket name |
| * @param key |
| * object key |
| */ |
| @Override |
| public ListenableFuture<Boolean> blobExists(String container, String key) { |
| return async.objectExists(container, key); |
| } |
| |
| /** |
| * This implementation invokes {@link S3AsyncClient#headObject} |
| * |
| * @param container |
| * bucket name |
| * @param key |
| * object key |
| */ |
| @Override |
| public ListenableFuture<BlobMetadata> blobMetadata(String container, String key) { |
| return Futures.compose(async.headObject(container, key), new Function<ObjectMetadata, BlobMetadata>() { |
| |
| @Override |
| public BlobMetadata apply(ObjectMetadata from) { |
| return object2BlobMd.apply(from); |
| } |
| |
| }, service); |
| } |
| |
| /** |
| * This implementation invokes {@link S3AsyncClient#getObject} |
| * |
| * @param container |
| * bucket name |
| * @param key |
| * object key |
| */ |
| @Override |
| public ListenableFuture<Blob> getBlob(String container, String key, org.jclouds.blobstore.options.GetOptions options) { |
| GetOptions httpOptions = blob2ObjectGetOptions.apply(options); |
| return Futures.compose(async.getObject(container, key, httpOptions), object2Blob, service); |
| } |
| |
| /** |
| * This implementation invokes {@link S3AsyncClient#putObject} |
| * |
| * @param container |
| * bucket name |
| * @param blob |
| * object |
| */ |
| @Override |
| public ListenableFuture<String> putBlob(String container, Blob blob) { |
| return putBlob(container, blob, PutOptions.NONE); |
| } |
| |
| @Override |
| public ListenableFuture<String> putBlob(String container, Blob blob, PutOptions overrides) { |
| // TODO: Make use of options overrides |
| PutObjectOptions options = new PutObjectOptions(); |
| try { |
| AccessControlList acl = bucketAcls.getUnchecked(container); |
| if (acl.hasPermission(GroupGranteeURI.ALL_USERS, Permission.READ)) |
| options.withAcl(CannedAccessPolicy.PUBLIC_READ); |
| } catch (CacheLoader.InvalidCacheLoadException e) { |
| // nulls not permitted from cache loader |
| } |
| return async.putObject(container, blob2Object.apply(blob), options); |
| } |
| |
| /** |
| * This implementation invokes {@link S3AsyncClient#deleteObject} |
| * |
| * @param container |
| * bucket name |
| * @param key |
| * object key |
| */ |
| @Override |
| public ListenableFuture<Void> removeBlob(String container, String key) { |
| return async.deleteObject(container, key); |
| } |
| |
| @Override |
| public ListenableFuture<Boolean> createContainerInLocation(Location location, String container, |
| CreateContainerOptions options) { |
| PutBucketOptions putBucketOptions = new PutBucketOptions(); |
| if (options.isPublicRead()) |
| putBucketOptions.withBucketAcl(CannedAccessPolicy.PUBLIC_READ); |
| location = location != null ? location : defaultLocation.get(); |
| return async.putBucketInRegion(location.getId(), container, putBucketOptions); |
| } |
| |
| } |