com.stitchgalaxy.cdn.Publisher.java Source code

Introduction

Here is the source code for com.stitchgalaxy.cdn.Publisher.java

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package com.stitchgalaxy.cdn;

import com.google.common.io.Closeables;
import org.jclouds.ContextBuilder;
import org.jclouds.cloudfiles.CloudFilesClient;
import org.jclouds.openstack.swift.domain.SwiftObject;

import java.io.*;
import java.net.URI;

import com.stitchgalaxy.cdn.Constants;

public class Publisher implements Closeable {
    private final CloudFilesClient cloudFilesClient;

    public static void main(String[] args) throws IOException {
        Publisher cloudFilesPublish = new Publisher("stitchgalaxy", "bc8d9ee822ca4ea5b986de0e146fa803");

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

    public Publisher(String username, String apiKey) {
        cloudFilesClient = ContextBuilder.newBuilder(Constants.PROVIDER).credentials(username, apiKey)
                .buildApi(CloudFilesClient.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");

        cloudFilesClient.createContainer(Constants.CONTAINER_PUBLISH);

        System.out.format("  %s%n", Constants.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(Constants.FILENAME, Constants.SUFFIX);
        tempFile.deleteOnExit();

        BufferedWriter out = new BufferedWriter(new FileWriter(tempFile));
        out.write("Hello Cloud Files");
        out.close();

        SwiftObject object = cloudFilesClient.newSwiftObject();
        object.getInfo().setName(Constants.FILENAME + Constants.SUFFIX);
        object.setPayload(tempFile);

        cloudFilesClient.putObject(Constants.CONTAINER_PUBLISH, object);

        System.out.format("  %s%s%n", Constants.FILENAME, Constants.SUFFIX);
    }

    /**
     * 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");

        URI cdnURI = cloudFilesClient.enableCDN(Constants.CONTAINER_PUBLISH);

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

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