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Tomcat example source code file (

This example Tomcat source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Tomcat tags/keywords

authenticatorbase, io, ioexception, loginconfig, nonloginauthenticator, nonloginauthenticator, response, response, string, string, user, user

The Tomcat source code

 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.apache.catalina.authenticator;


import org.apache.catalina.connector.Request;
import org.apache.catalina.connector.Response;
import org.apache.catalina.deploy.LoginConfig;

 * An <b>Authenticator and Valve implementation that checks
 * only security constraints not involving user authentication.
 * @author Craig R. McClanahan
 * @version $Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $

public final class NonLoginAuthenticator
    extends AuthenticatorBase {

    // ----------------------------------------------------- Instance Variables

     * Descriptive information about this implementation.
    private static final String info =

    // ------------------------------------------------------------- Properties

     * Return descriptive information about this Valve implementation.
    public String getInfo() {

        return (info);


    // --------------------------------------------------------- Public Methods

     * Authenticate the user making this request, based on the specified
     * login configuration.  Return <code>true if any specified
     * constraint has been satisfied, or <code>false if we have
     * created a response challenge already.
     * @param request Request we are processing
     * @param response Response we are creating
     * @param config    Login configuration describing how authentication
     *              should be performed
     * @exception IOException if an input/output error occurs
    public boolean authenticate(Request request,
                                Response response,
                                LoginConfig config)
        throws IOException {

        /*  Associating this request's session with an SSO would allow
            coordinated session invalidation, but should the session for
            a webapp that the user didn't log into be invalidated when
            another session is logged out?
        String ssoId = (String) request.getNote(Constants.REQ_SSOID_NOTE);
        if (ssoId != null)
            associate(ssoId, getSession(request, true));
        if (containerLog.isDebugEnabled())
            containerLog.debug("User authentication is not required");
        return (true);



Other Tomcat examples (source code examples)

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