s3proxy/src/main/java/org/gaul/s3proxy/Quirks.java

121 wiersze
3.7 KiB
Java

/*
* Copyright 2014-2021 Andrew Gaul <andrew@gaul.org>
*
* Licensed 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
*
* https://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.gaul.s3proxy;
import java.util.Set;
import com.google.common.collect.ImmutableSet;
final class Quirks {
/** Blobstores which do not support blob-level access control. */
static final Set<String> NO_BLOB_ACCESS_CONTROL = ImmutableSet.of(
"azureblob",
"b2",
"rackspace-cloudfiles-uk",
"rackspace-cloudfiles-us",
"openstack-swift"
);
/** Blobstores which do not support the Cache-Control header. */
static final Set<String> NO_CACHE_CONTROL_SUPPORT = ImmutableSet.of(
"atmos",
"b2",
"google-cloud-storage",
"rackspace-cloudfiles-uk",
"rackspace-cloudfiles-us",
"openstack-swift"
);
/** Blobstores which do not support the Cache-Control header. */
static final Set<String> NO_CONTENT_DISPOSITION = ImmutableSet.of(
"b2"
);
/** Blobstores which do not support the Content-Encoding header. */
static final Set<String> NO_CONTENT_ENCODING = ImmutableSet.of(
"b2",
"google-cloud-storage"
);
/** Blobstores which do not support the Content-Language header. */
static final Set<String> NO_CONTENT_LANGUAGE = ImmutableSet.of(
"b2",
"rackspace-cloudfiles-uk",
"rackspace-cloudfiles-us",
"openstack-swift"
);
/** Blobstores which do not support the If-None-Match header during copy. */
static final Set<String> NO_COPY_IF_NONE_MATCH = ImmutableSet.of(
"openstack-swift",
"rackspace-cloudfiles-uk",
"rackspace-cloudfiles-us"
);
static final Set<String> NO_EXPIRES = ImmutableSet.of(
"azureblob"
);
static final Set<String> NO_LIST_MULTIPART_UPLOADS = ImmutableSet.of(
"atmos",
"filesystem",
"google-cloud-storage",
"openstack-swift",
"rackspace-cloudfiles-uk",
"rackspace-cloudfiles-us",
"transient"
);
/** Blobstores which do not allow listing zero keys. */
static final Set<String> NO_LIST_ZERO_KEYS = ImmutableSet.of(
"atmos",
"azureblob"
);
/**
* S3 stores object metadata during initiate multipart while others
* require it during complete multipart. Emulate the former in the latter
* by storing and retrieving a stub object.
*/
static final Set<String> MULTIPART_REQUIRES_STUB = ImmutableSet.of(
"azureblob",
"filesystem",
"google-cloud-storage",
"openstack-swift",
"transient"
);
/** Blobstores with opaque ETags. */
static final Set<String> OPAQUE_ETAG = ImmutableSet.of(
"azureblob",
"b2",
"google-cloud-storage"
);
/** Blobstores with opaque markers. */
static final Set<String> OPAQUE_MARKERS = ImmutableSet.of(
"azureblob",
// S3 marker means one past this token while B2 means this token
"b2",
"google-cloud-storage"
);
private Quirks() {
throw new AssertionError("Intentionally unimplemented");
}
}