/************************************************************************** * Copyright (c) 2001 by Punch Telematix. All rights reserved. * * * * Redistribution and use in source and binary forms, with or without * * modification, are permitted provided that the following conditions * * are met: * * 1. Redistributions of source code must retain the above copyright * * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * * notice, this list of conditions and the following disclaimer in the * * documentation and/or other materials provided with the distribution. * * 3. Neither the name of Punch Telematix nor the names of * * other contributors may be used to endorse or promote products * * derived from this software without specific prior written permission.* * * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED * * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * * IN NO EVENT SHALL PUNCH TELEMATIX OR OTHER CONTRIBUTORS BE LIABLE * * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN * * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * **************************************************************************/ package java.net; public abstract class Authenticator { private static Authenticator authent; public synchronized static void setDefault(Authenticator auth){ authent = auth; } public static PasswordAuthentication requestPasswordAuthentication( InetAddress addr, int port, String protocol, String prompt, String scheme) { return requestPasswordAuthentication(null, addr, port, protocol, prompt, scheme); } public static PasswordAuthentication requestPasswordAuthentication(String host, InetAddress addr, int port, String protocol, String prompt, String scheme) { if (authent == null) { return null; } authent.host = host; authent.addr = addr; authent.port = port; authent.protocol = protocol; authent.prompt = prompt; authent.scheme = scheme; return authent.getPasswordAuthentication(); } private InetAddress addr; private int port; private String protocol; private String prompt; private String scheme; private String host; /** ** This method should be overridden by subclasses. ** @remark returns null */ protected PasswordAuthentication getPasswordAuthentication() { return null; } protected final int getRequestingPort(){ return port; } protected final String getRequestingPrompt(){ return prompt; } protected final String getRequestingProtocol(){ return protocol; } protected final InetAddress getRequestingSite(){ return addr; } protected final String getRequestingScheme(){ return scheme; } protected final String getRequestingHost() { return host; } }