org.jclouds.examples.rackspace.cloudfiles.UploadObjectsWithServiceNet.java Source code

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Here is the source code for org.jclouds.examples.rackspace.cloudfiles.UploadObjectsWithServiceNet.java

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/*
 * 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.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.HashMap;
import java.util.Map;

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 org.jclouds.openstack.v2_0.config.InternalUrlModule;
import org.jclouds.rackspace.cloudfiles.v1.CloudFilesApi;

import com.google.common.base.Charsets;
import com.google.common.collect.ImmutableSet;
import com.google.common.io.ByteSource;
import com.google.common.io.Closeables;
import com.google.common.io.Files;
import com.google.inject.Module;

/**
 * Upload objects in the Cloud Files container from the CreateContainer example.
 *
 */
public class UploadObjectsWithServiceNet implements Closeable {
    private final BlobStore blobStore;
    private final CloudFilesApi cloudFiles;

    /**
     * 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
     */
    public static void main(String[] args) throws IOException {
        UploadObjectsWithServiceNet uploadContainer = new UploadObjectsWithServiceNet(args[0], args[1]);

        try {
            uploadContainer.uploadObjectFromFile();
            uploadContainer.uploadObjectFromString();
            uploadContainer.uploadObjectFromStringWithMetadata();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            uploadContainer.close();
        }
    }

    public UploadObjectsWithServiceNet(String username, String apiKey) {

        Iterable<Module> modules = ImmutableSet.<Module>of(new InternalUrlModule()); // This module enables ServiceNet connections

        ContextBuilder builder = ContextBuilder.newBuilder(PROVIDER).modules(modules).credentials(username, apiKey);
        blobStore = builder.buildView(RegionScopedBlobStoreContext.class).getBlobStore(REGION);
        cloudFiles = blobStore.getContext().unwrapApi(CloudFilesApi.class);
    }

    /**
     * Upload an object from a File using the Swift API.
     */
    private void uploadObjectFromFile() throws IOException {
        System.out.format("Upload Object From File%n");

        String filename = "uploadObjectFromFile";
        String suffix = ".txt";

        File tempFile = File.createTempFile(filename, suffix);

        try {
            Files.write("uploadObjectFromFile", tempFile, Charsets.UTF_8);

            ByteSource byteSource = Files.asByteSource(tempFile);
            Payload payload = Payloads.newByteSourcePayload(byteSource);

            cloudFiles.getObjectApi(REGION, CONTAINER).put(filename + suffix, payload);

            System.out.format("  %s%s%n", filename, suffix);
        } finally {
            tempFile.delete();
        }
    }

    /**
     * Upload an object from a String using the Swift API.
     */
    private void uploadObjectFromString() {
        System.out.format("Upload Object From String%n");

        String filename = "uploadObjectFromString.txt";

        ByteSource source = ByteSource.wrap("uploadObjectFromString".getBytes());
        Payload payload = Payloads.newByteSourcePayload(source);

        cloudFiles.getObjectApi(REGION, CONTAINER).put(filename, payload);

        System.out.format("  %s%n", filename);
    }

    /**
     * Upload an object from a String with metadata using the BlobStore API.
     */
    private void uploadObjectFromStringWithMetadata() {
        System.out.format("Upload Object From String With Metadata%n");

        String filename = "uploadObjectFromStringWithMetadata.txt";

        Map<String, String> userMetadata = new HashMap<String, String>();
        userMetadata.put("key1", "value1");

        ByteSource source = ByteSource.wrap("uploadObjectFromString".getBytes());

        Blob blob = blobStore.blobBuilder(filename).payload(Payloads.newByteSourcePayload(source))
                .userMetadata(userMetadata).build();

        blobStore.putBlob(CONTAINER, blob);

        System.out.format("  %s%n", filename);
    }

    /**
     * Always close your service when you're done with it.
     */
    public void close() throws IOException {
        Closeables.close(blobStore.getContext(), true);
    }
}