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

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Here is the source code for org.jclouds.examples.rackspace.cloudfiles.CloudFilesPublish.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_PUBLISH;
import static org.jclouds.examples.rackspace.cloudfiles.Constants.FILENAME;
import static org.jclouds.examples.rackspace.cloudfiles.Constants.PROVIDER;
import static org.jclouds.examples.rackspace.cloudfiles.Constants.REGION;
import static org.jclouds.examples.rackspace.cloudfiles.Constants.SUFFIX;
import static org.jclouds.openstack.swift.v1.reference.SwiftHeaders.STATIC_WEB_ERROR;
import static org.jclouds.openstack.swift.v1.reference.SwiftHeaders.STATIC_WEB_INDEX;

import java.io.Closeable;
import java.io.File;
import java.io.IOException;
import java.net.URI;

import org.jclouds.ContextBuilder;
import org.jclouds.io.Payload;
import org.jclouds.io.Payloads;
import org.jclouds.openstack.swift.v1.features.ObjectApi;
import org.jclouds.openstack.swift.v1.options.CreateContainerOptions;
import org.jclouds.rackspace.cloudfiles.v1.CloudFilesApi;
import org.jclouds.rackspace.cloudfiles.v1.features.CDNApi;

import com.google.common.base.Charsets;
import com.google.common.collect.ImmutableMultimap;
import com.google.common.collect.Multimap;
import com.google.common.io.ByteSource;
import com.google.common.io.Closeables;
import com.google.common.io.Files;

/**
 * This example will create a container, put a file in it, and publish it on the internet!
 */
public class CloudFilesPublish implements Closeable {
    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 {
        CloudFilesPublish cloudFilesPublish = new CloudFilesPublish(args[0], args[1]);

        try {
            cloudFilesPublish.createContainer();
            cloudFilesPublish.createObjectFromFile();
            cloudFilesPublish.enableCdnContainer();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            cloudFilesPublish.close();
        }
    }

    public CloudFilesPublish(String username, String apiKey) {
        cloudFiles = ContextBuilder.newBuilder(PROVIDER).credentials(username, apiKey)
                .buildApi(CloudFilesApi.class);
    }

    /**
     * This method will create a container in Cloud Files where you can store and
     * retrieve any kind of digital asset.
     */
    private void createContainer() {
        System.out.format("Create Container%n");

        Multimap<String, String> enableStaticWebHeaders = ImmutableMultimap.of(STATIC_WEB_INDEX, FILENAME + SUFFIX,
                STATIC_WEB_ERROR, "error.html");

        CreateContainerOptions opts = new CreateContainerOptions().headers(enableStaticWebHeaders);
        cloudFiles.getContainerApi(REGION).create(CONTAINER_PUBLISH, opts);

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

    /**
     * This method will put a plain text object into the container.
     */
    private void createObjectFromFile() throws IOException {
        System.out.format("Create Object From File%n");

        File tempFile = File.createTempFile(FILENAME, SUFFIX);

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

            ObjectApi objectApi = cloudFiles.getObjectApi(REGION, CONTAINER_PUBLISH);

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

            objectApi.put(FILENAME + SUFFIX, payload);
        } finally {
            tempFile.delete();
        }
    }

    /**
     * This method will put your container on a Content Distribution Network and
     * make it 100% publicly accessible over the Internet.
     */
    private void enableCdnContainer() {
        System.out.format("Enable CDN Container%n");

        CDNApi cdnApi = cloudFiles.getCDNApi(REGION);
        URI cdnURI = cdnApi.enable(CONTAINER_PUBLISH);

        System.out.format("  Go to %s/%s%s%n", cdnURI, FILENAME, SUFFIX);
    }

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