The boilerplate needed to make a http request behind a proxy that requires authentication

HttpProxyAuth.java

HttpParams httpParams = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParams, 5000);
HttpConnectionParams.setSoTimeout(httpParams, 5000);
DefaultHttpClient client = new DefaultHttpClient(httpParams);
client.getCredentialsProvider().setCredentials(
    new AuthScope(PROXY_HOSTNAME, PROXY_PORT),
    new UsernamePasswordCredentials(PROXY_USERNAME, PROXY_USERPWD));

HttpHost proxy = new HttpHost(PROXY_HOSTNAME, PROXY_PORT);
client.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy);

HttpGet get = new HttpGet(HTTP_URL);

HttpResponse response = client.execute(get);