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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.certsrv.authentication;

import java.util.Enumeration;
import java.util.Hashtable;

import com.netscape.certsrv.base.IArgBlock;

/**
 * Authentication Credentials as input to the authMgr. It contains all the 
 * information required for authentication in the authMgr.
 * <P>
 *
 * @version $Revision$, $Date$
 */
public class AuthCredentials implements IAuthCredentials {
    /**
     *
     */
    private static final long serialVersionUID = 5862936214648594328L;
    private Hashtable authCreds = null;
    private IArgBlock argblk = null;
    
    /**
     * Constructor
     */
    public AuthCredentials() {
        authCreds = new Hashtable();
    }

    /**
     * Sets an authentication credential with credential name and the credential object
     * @param name credential name
     * @param cred credential object
     */
    public void set(String name, Object cred) {
        if (name != null && cred != null)
            authCreds.put(name, cred);
    }

    /**
     * Returns the credential to which the specified name is mapped in this
     *	 credential set
     * @param name credential name
     * @return the authentication credential for the given name
     */
    public Object get(String name) {
        return ((Object) authCreds.get(name));
    }

    /**
     * Removes the name and its corresponding credential from this
     *	 credential set.  This method does nothing if the named
     *	 credential is not in the credential set.
     * @param name credential name
     */
    public void delete(String name) {
        authCreds.remove(name);
    }

    /**
     * Returns an enumeration of the credentials in this credential
     * set. Use the Enumeration methods on the returned object to
     * fetch the elements sequentially.
     * @return an enumeration of the values in this credential set
     */
    public Enumeration getElements() {
        return (authCreds.elements());
    }
    
    /**
     * Set the given argblock
i    * @param blk the given argblock.
     */
    public void setArgBlock(IArgBlock blk) {
        argblk = blk;
    }        

    /**
     * Returns the argblock.
     * @return the argblock.
     */
    public IArgBlock getArgBlock() {
        return argblk;
    }        
}