/*
 * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://joinup.ec.europa.eu/software/page/eupl
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 */
package at.asit.pdfover.gui.bku;

// Imports
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.UsernamePasswordCredentials;
import org.apache.commons.httpclient.auth.AuthScope;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import at.asit.pdfover.gui.Constants;

/**
 * 
 */
public class BKUHelper {
	/**
	 * SLF4J Logger instance
	 **/
	@SuppressWarnings("unused")
	private static final Logger log = LoggerFactory.getLogger(BKUHelper.class);

	/**
	 * Get a HTTP Client instance
	 * @return the HttpClient
	 */
	public static HttpClient getHttpClient() {
		HttpClient client = new HttpClient();
		client.getParams().setParameter("http.useragent", //$NON-NLS-1$
				Constants.USER_AGENT_STRING);
	
		String host = System.getProperty("http.proxyHost"); //$NON-NLS-1$
		String port = System.getProperty("http.proxyPort"); //$NON-NLS-1$
		if (host != null && !host.isEmpty() &&
				port != null && !port.isEmpty()) {
			int p = Integer.parseInt(port);
			client.getHostConfiguration().setProxy(host, p);
			String user = System.getProperty("http.proxyUser"); //$NON-NLS-1$
			String pass = System.getProperty("http.proxyPassword"); //$NON-NLS-1$
			if (user != null && !user.isEmpty() && pass != null) {
				client.getState().setProxyCredentials(new AuthScope(host, p),
						new UsernamePasswordCredentials(user, pass));
			}
		}
	
		return client;
	}

}