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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed 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.
*
*/
package org.apache.qpid.server.security.auth;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.login.AccountNotFoundException;
import java.security.Principal;
import java.io.IOException;
/**
* Represents a "user database" which is really a way of storing principals (i.e. usernames) and
* passwords.
*/
public interface PrincipalDatabase
{
/**
* Set the password for a given principal in the specified callback. This is used for certain
* SASL providers. The user database implementation should look up the password in any way it
* chooses and set it in the callback by calling its setPassword method.
* @param principal the principal
* @param callback the password callback that wants to receive the password
* @throws AccountNotFoundException if the account for specified principal could not be found
* @throws IOException if there was an error looking up the principal
*/
void setPassword(Principal principal, PasswordCallback callback)
throws IOException, AccountNotFoundException;
}
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