| /* |
| * 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.examples.rackspace.cloudfiles; |
| |
| import static org.jclouds.blobstore.options.PutOptions.Builder.multipart; |
| import static org.jclouds.examples.rackspace.cloudfiles.Constants.CONTAINER; |
| import static org.jclouds.examples.rackspace.cloudfiles.Constants.PROVIDER; |
| import static org.jclouds.examples.rackspace.cloudfiles.Constants.REGION; |
| |
| import java.io.Closeable; |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Properties; |
| import java.util.concurrent.ExecutionException; |
| |
| import org.jclouds.ContextBuilder; |
| import org.jclouds.blobstore.BlobStore; |
| import org.jclouds.blobstore.domain.Blob; |
| import org.jclouds.io.Payload; |
| import org.jclouds.io.Payloads; |
| import org.jclouds.openstack.swift.v1.blobstore.RegionScopedBlobStoreContext; |
| |
| import com.google.common.io.ByteSource; |
| import com.google.common.io.Closeables; |
| import com.google.common.io.Files; |
| |
| /** |
| * Upload a large object in the Cloud Files container from the CreateContainer example. |
| * |
| * @author Everett Toews |
| * @author Jeremy Daggett |
| */ |
| public class UploadLargeObject implements Closeable { |
| private BlobStore blobStore; |
| |
| /** |
| * To get a username and API key see http://jclouds.apache.org/guides/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) throws IOException { |
| UploadLargeObject createContainer = new UploadLargeObject(args[0], args[1]); |
| |
| try { |
| createContainer.uploadLargeObjectFromFile(new File(args[2])); |
| } |
| catch (Exception e) { |
| e.printStackTrace(); |
| } |
| finally { |
| createContainer.close(); |
| } |
| } |
| |
| public UploadLargeObject(String username, String apiKey) { |
| 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 |
| |
| RegionScopedBlobStoreContext context = ContextBuilder.newBuilder(PROVIDER) |
| .credentials(username, apiKey) |
| .overrides(overrides) |
| .buildView(RegionScopedBlobStoreContext.class); |
| blobStore = context.blobStoreInRegion(REGION); |
| } |
| |
| /** |
| * Upload a large object from a File using the BlobStore API. |
| * |
| * @throws ExecutionException |
| * @throws InterruptedException |
| */ |
| private void uploadLargeObjectFromFile(File largeFile) throws InterruptedException, ExecutionException { |
| System.out.format("Upload Large Object From File%n"); |
| |
| ByteSource source = Files.asByteSource(largeFile); |
| // create the payload and set the content length |
| Payload payload = Payloads.newByteSourcePayload(source); |
| payload.getContentMetadata().setContentLength(largeFile.length()); |
| |
| Blob blob = blobStore.blobBuilder(largeFile.getName()) |
| .payload(payload) |
| .build(); |
| |
| // configure the blobstore to use multipart uploading of the file |
| String eTag = blobStore.putBlob(CONTAINER, blob, multipart()); |
| |
| System.out.format(" Uploaded %s eTag=%s", largeFile.getName(), eTag); |
| } |
| |
| /** |
| * Always close your service when you're done with it. |
| */ |
| public void close() throws IOException { |
| Closeables.close(blobStore.getContext(), true); |
| } |
| } |