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bndlib: A Swiss Army Knife for OSGi

There is a newer version: 7.0.0

package aQute.bnd.service.url;

import java.net.URL;
import java.net.URLConnection;

import aQute.lib.settings.Settings;

/**
 * This interface is used to sign urls, set options, etc. Anybody that interacts
 * with a URL should allow all the {@link URLConnectionHandler} plugins to
 * interact with the URLConnection. There are a number of known implementations:
 * 
 * {@link aQute.bnd.url.BndAuthentication BndAuthentication} — Authenticates
 * using bnd's built in private key (see {@link Settings}
 * 
{@link aQute.bnd.url.BasicAuthentication BasicAuthentication} — Http
 * Basic Authentication
 * 
{@link aQute.bnd.url.HttpsVerification HttpsVerification} — Can add
 * certificats for verification of Https or disable verification
 * 
{@link aQute.bnd.url.ConnectionSettings ConnectionSettings} — Can set
 * arbitrary headers on an Http(s) connection
 * 
 * URLConnection are allows matched to the URL. This
 * {@link URLConnectionHandler#MATCH} is a comma separated list of Glob
 * expressions that must match the canonical URL string representation.
 */
public interface URLConnectionHandler {

	/**
	 * Configuration property for the matcher. A comma separated list of
	 * {@link aQute.libg.glob.Glob Glob} expressions. If no match is given, all
	 * URLs match.
	 */
	String MATCH = "match";

	/**
	 * If the corresponding URL matches, modify the connection in the
	 * parameterized way.
	 * 
	 * @param connection The connection to modify
	 * @throws Exception
	 */
	void handle(URLConnection connection) throws Exception;

	/**
	 * Answer if this handler matches the given URL
	 * 
	 * @param url the url to match
	 * @return true if matched, false if not.
	 */
	boolean matches(URL url);
}