Add downloads to a GitHub repository

UploadFile.java

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;

import org.eclipse.egit.github.core.Download;
import org.eclipse.egit.github.core.RepositoryId;
import org.eclipse.egit.github.core.client.GitHubClient;
import org.eclipse.egit.github.core.service.DownloadService;

/**
 * Uploads a file to be made available as a repository download
 */
public class UploadFile {

	public static void main(String... args) throws IOException {
		GitHubClient client = new GitHubClient();
		client.setCredentials("user", "secret");
		// Owner and name of repository such as 'rails/rails'
		RepositoryId repository = new RepositoryId("user", "project");
		DownloadService service = new DownloadService(client);
		File file = File.createTempFile("download", ".txt");
		PrintWriter writer = new PrintWriter(file);
		writer.println("Content of the file");
		writer.close();
		Download download = new Download();
		download.setDescription("Attaching some file");
		download.setName(file.getName());
		download.setSize(file.length());
		service.createDownload(repository, download, file);
	}
}

UploadStream.java

import java.io.ByteArrayInputStream;
import java.io.IOException;

import org.eclipse.egit.github.core.Download;
import org.eclipse.egit.github.core.RepositoryId;
import org.eclipse.egit.github.core.client.GitHubClient;
import org.eclipse.egit.github.core.service.DownloadService;

/**
 * Uploads a String to be made available as a repository download
 */
public class UploadStream {

	public static void main(String... args) throws IOException {
		GitHubClient client = new GitHubClient();
		client.setCredentials("user", "secret");
		// Owner and name of repository such as 'rails/rails'
		RepositoryId repository = new RepositoryId("user", "project");
		DownloadService service = new DownloadService(client);
		byte[] content = "download content".getBytes("UTF-8");
		Download download = new Download();
		download.setDescription("Attaching some text");
		download.setName("simple.txt");
		download.setSize(content.length);
		ByteArrayInputStream stream = new ByteArrayInputStream(content);
		service.createDownload(repository, download, stream, content.length);
	}
}

Documentation for the downloads API is available here