/*
* 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.jclouds.s3.blobstore.functions;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.jclouds.blobstore.domain.MutableBlobMetadata;
import org.jclouds.blobstore.domain.StorageType;
import org.jclouds.blobstore.domain.internal.MutableBlobMetadataImpl;
import org.jclouds.blobstore.strategy.IfDirectoryReturnNameStrategy;
import org.jclouds.domain.Location;
import org.jclouds.http.HttpUtils;
import org.jclouds.s3.domain.AccessControlList;
import org.jclouds.s3.domain.AccessControlList.GroupGranteeURI;
import org.jclouds.s3.domain.AccessControlList.Permission;
import org.jclouds.s3.domain.ObjectMetadata;
import com.google.common.base.Function;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
/**
* @author Adrian Cole
*/
@Singleton
public class ObjectToBlobMetadata implements Function<ObjectMetadata, MutableBlobMetadata> {
private final IfDirectoryReturnNameStrategy ifDirectoryReturnName;
private final LoadingCache<String, AccessControlList> bucketAcls;
private final Function<String, Location> locationOfBucket;
@Inject
public ObjectToBlobMetadata(IfDirectoryReturnNameStrategy ifDirectoryReturnName,
LoadingCache<String, AccessControlList> bucketAcls,Function<String, Location> locationOfBucket) {
this.ifDirectoryReturnName = ifDirectoryReturnName;
this.bucketAcls = bucketAcls;
this.locationOfBucket = locationOfBucket;
}
public MutableBlobMetadata apply(ObjectMetadata from) {
if (from == null)
return null;
MutableBlobMetadata to = new MutableBlobMetadataImpl();
HttpUtils.copy(from.getContentMetadata(), to.getContentMetadata());
try {
AccessControlList bucketAcl = bucketAcls.getUnchecked(from.getBucket());
if (bucketAcl.hasPermission(GroupGranteeURI.ALL_USERS, Permission.READ))
to.setPublicUri(from.getUri());
} catch (CacheLoader.InvalidCacheLoadException e) {
// nulls not permitted from cache loader
}
to.setUri(from.getUri());
to.setContainer(from.getBucket());
to.setETag(from.getETag());
to.setName(from.getKey());
to.setLastModified(from.getLastModified());
to.setUserMetadata(from.getUserMetadata());
to.setLocation(locationOfBucket.apply(from.getBucket()));
String directoryName = ifDirectoryReturnName.execute(to);
if (directoryName != null) {
to.setName(directoryName);
to.setType(StorageType.RELATIVE_PATH);
} else {
to.setType(StorageType.BLOB);
}
return to;
}
}