/**
* 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.examples.rackspace.cloudfiles;
import static com.google.common.io.Closeables.closeQuietly;
import static org.jclouds.blobstore.options.PutOptions.Builder.multipart;
import java.io.Closeable;
import java.io.File;
import java.util.Properties;
import java.util.concurrent.ExecutionException;
import org.jclouds.ContextBuilder;
import org.jclouds.blobstore.BlobStore;
import org.jclouds.blobstore.BlobStoreContext;
import org.jclouds.blobstore.domain.Blob;
/**
* Upload a large object in the object storage container from the CreateContainer example.
*
* @author Everett Toews
*/
public class UploadLargeObject implements Closeable {
private BlobStore storage;
/**
* To get a username and API key see http://www.jclouds.org/documentation/quickstart/rackspace/
*
* The first argument (args[0]) must be your username
* The second argument (args[1]) must be your API key
* The third argument (args[2]) must be the absolute path to a large file
*/
public static void main(String[] args) {
UploadLargeObject createContainer = new UploadLargeObject();
try {
createContainer.init(args);
createContainer.uploadLargeObjectFromFile(new File(args[2]));
}
catch (Exception e) {
e.printStackTrace();
}
finally {
createContainer.close();
}
}
private void init(String[] args) {
// The provider configures jclouds To use the Rackspace Cloud (US)
// To use the Rackspace Cloud (UK) set the provider to "cloudfiles-uk"
String provider = "cloudfiles-us";
String username = args[0];
String apiKey = args[1];
Properties overrides = new Properties();
// This property controls the number of parts being uploaded in parallel, the default is 4
overrides.setProperty("jclouds.mpu.parallel.degree", "5");
// This property controls the size (in bytes) of parts being uploaded in parallel, the default is 33554432 bytes = 32 MB
overrides.setProperty("jclouds.mpu.parts.size", "67108864"); // 64 MB
BlobStoreContext context = ContextBuilder.newBuilder(provider)
.credentials(username, apiKey)
.buildView(BlobStoreContext.class);
storage = context.getBlobStore();
}
/**
* Upload a large object from a File using the Swift API.
* @throws ExecutionException
* @throws InterruptedException
*/
private void uploadLargeObjectFromFile(File largeFile) throws InterruptedException, ExecutionException {
System.out.println("Upload Large Object From File");
Blob blob = storage.blobBuilder(largeFile.getName())
.payload(largeFile)
.build();
String eTag = storage.putBlob(Constants.CONTAINER, blob, multipart());
System.out.println(" Uploaded " + largeFile.getName() + " eTag=" + eTag);
}
/**
* Always close your service when you're done with it.
*/
public void close() {
closeQuietly(storage.getContext());
}
}