/**
* 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 java.io.BufferedWriter;
import java.io.Closeable;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import org.jclouds.ContextBuilder;
import org.jclouds.blobstore.BlobStore;
import org.jclouds.blobstore.BlobStoreContext;
import org.jclouds.blobstore.domain.Blob;
import org.jclouds.openstack.swift.CommonSwiftAsyncClient;
import org.jclouds.openstack.swift.CommonSwiftClient;
import org.jclouds.openstack.swift.domain.SwiftObject;
import org.jclouds.rest.RestContext;
/**
* Upload objects in the object storage container from the CreateContainer example.
*
* @author Everett Toews
*/
public class UploadObjects implements Closeable {
private BlobStore storage;
private RestContext<CommonSwiftClient, CommonSwiftAsyncClient> swift;
/**
* 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
*/
public static void main(String[] args) {
UploadObjects uploadContainer = new UploadObjects();
try {
uploadContainer.init(args);
uploadContainer.uploadObjectFromFile();
uploadContainer.uploadObjectFromString();
uploadContainer.uploadObjectFromStringWithMetadata();
}
catch (IOException e) {
e.printStackTrace();
}
finally {
uploadContainer.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];
BlobStoreContext context = ContextBuilder.newBuilder(provider)
.credentials(username, apiKey)
.buildView(BlobStoreContext.class);
storage = context.getBlobStore();
swift = context.unwrap();
}
/**
* Upload an object from a File using the Swift API.
*/
private void uploadObjectFromFile() throws IOException {
System.out.println("Upload Object From File");
String filename = "uploadObjectFromFile";
String suffix = ".txt";
File tempFile = File.createTempFile(filename, suffix);
tempFile.deleteOnExit();
BufferedWriter out = new BufferedWriter(new FileWriter(tempFile));
out.write("uploadObjectFromFile");
out.close();
SwiftObject object = swift.getApi().newSwiftObject();
object.getInfo().setName(filename + suffix);
object.setPayload(tempFile);
swift.getApi().putObject(Constants.CONTAINER, object);
System.out.println(" " + filename + suffix);
}
/**
* Upload an object from a String using the Swift API.
*/
private void uploadObjectFromString() {
System.out.println("Upload Object From String");
String filename = "uploadObjectFromString.txt";
SwiftObject object = swift.getApi().newSwiftObject();
object.getInfo().setName(filename);
object.setPayload("uploadObjectFromString");
swift.getApi().putObject(Constants.CONTAINER, object);
System.out.println(" " + filename);
}
/**
* Upload an object from a String with metadata using the BlobStore API.
*/
private void uploadObjectFromStringWithMetadata() {
System.out.println("Upload Object From String With Metadata");
String filename = "uploadObjectFromStringWithMetadata.txt";
Map<String, String> userMetadata = new HashMap<String, String>();
userMetadata.put("key1", "value1");
Blob blob = storage.blobBuilder(filename)
.payload("uploadObjectFromStringWithMetadata")
.userMetadata(userMetadata)
.build();
storage.putBlob(Constants.CONTAINER, blob);
System.out.println(" " + filename);
}
/**
* Always close your service when you're done with it.
*/
public void close() {
closeQuietly(storage.getContext());
}
}