/*
* 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.openstack.swift.v1.blobstore.functions;
import org.jclouds.blobstore.domain.BlobMetadata;
import org.jclouds.blobstore.domain.StorageMetadata;
import org.jclouds.io.Payload;
import org.jclouds.io.Payloads;
import org.jclouds.openstack.swift.v1.domain.SwiftObject;
import org.jclouds.openstack.swift.v1.domain.SwiftObject.Builder;
import com.google.common.base.Function;
public class ToSwiftObject implements Function<StorageMetadata, SwiftObject> {
@Override
public SwiftObject apply(StorageMetadata in) {
if (!(in instanceof BlobMetadata)) {
return null;
}
BlobMetadata from = BlobMetadata.class.cast(in);
Builder to = SwiftObject.builder();
to.name(from.getName());
to.etag(from.getETag());
to.lastModified(from.getLastModified());
long bytes = from.getContentMetadata().getContentLength();
String contentType = from.getContentMetadata().getContentType();
to.payload(payload(bytes, contentType));
to.metadata(from.getUserMetadata());
return to.build();
}
private static final byte[] NO_CONTENT = new byte[] {};
private static Payload payload(long bytes, String contentType) {
Payload payload = Payloads.newByteArrayPayload(NO_CONTENT);
payload.getContentMetadata().setContentLength(bytes);
payload.getContentMetadata().setContentType(contentType);
return payload;
}
}