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/*
 * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/java/org/apache/commons/httpclient/auth/AuthSchemeBase.java,v 1.7 2004/04/18 23:51:36 jsdever Exp $
 * $Revision: 480424 $
 * $Date: 2006-11-29 06:56:49 +0100 (Wed, 29 Nov 2006) $
 *
 * ====================================================================
 *
 *  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
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * .
 *
 */

package org.apache.commons.httpclient.auth;

/**
 * 
 * Abstract authentication scheme class that implements {@link AuthScheme}
 * interface and provides a default contstructor.
 * 
 * @deprecated No longer used
 *
 * @author Oleg Kalnichevski
 */
public abstract class AuthSchemeBase implements AuthScheme {

    /**
     * Original challenge string as received from the server.
     */
    private String challenge = null;

    /**
     * Constructor for an abstract authetication schemes.
     * 
     * @param challenge authentication challenge
     * 
     * @throws MalformedChallengeException is thrown if the authentication challenge
     * is malformed
     * 
     * @deprecated Use parameterless constructor and {@link AuthScheme#processChallenge(String)} 
     *             method
     */
    public AuthSchemeBase(final String challenge) 
      throws MalformedChallengeException {
        super();
        if (challenge == null) {
            throw new IllegalArgumentException("Challenge may not be null"); 
        }
        this.challenge = challenge;
    }

    /**
     * @see java.lang.Object#equals(Object)
     */
    public boolean equals(Object obj) {
        if (obj instanceof AuthSchemeBase) {
            return this.challenge.equals(((AuthSchemeBase) obj).challenge);
        } else {
            return super.equals(obj);
        }
    }

    /**
     * @see java.lang.Object#hashCode()
     */
    public int hashCode() {
        return this.challenge.hashCode();
    }

    /**
     * @see java.lang.Object#toString()
     */
    public String toString() {
        return this.challenge;
    }
}