drools-eclipse/org.guvnor.eclipse.webdav/src/client/org/eclipse/webdav/internal/authentication/AuthorizationAuthority.java
protected String getAuthorization(Request request, Map info, URL serverUrl, URL protectionSpaceUrl, URL proxyServerUrl) {
        Assert.isNotNull(request);
        Assert.isNotNull(info);
        Assert.isNotNull(serverUrl);
        Assert.isNotNull(protectionSpaceUrl);
        return null;
    }
protected String getAuthorization(Request request, Map info, URL serverUrl, URL protectionSpaceUrl, URL proxyServerUrl) {
        Assert.isNotNull(request);
        Assert.isNotNull(info);
        Assert.isNotNull(serverUrl);
        Assert.isNotNull(protectionSpaceUrl);
        return null;
    }
Returns the authorization credentials for the given request. The
authorization credentials are derived from the given authentication
info. The authentication info may contain directives such as usernames
and passwords.
<p>This method should be overridden by schema specific authenticators.

@param request the request being authorized
@param info the authentication information used to derive the
authorization credentials
@param serverUrl the URL of the server
@param protectionSpaceUrl the URL of the protected resource
@param proxyServerUrl the URL of the proxy server, or <code>null</code>
if there is none
@return the authorization credentials for the given request