/**************************************************************************
* 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 *
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, *
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**************************************************************************/
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;
}
}