/*
* 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.
*/
package org.apache.jackrabbit.core.security.authentication;
import javax.security.auth.Subject;
import javax.security.auth.callback.Callback;
/**
* Callback for a {@link javax.security.auth.callback.CallbackHandler} to ask
* for a the impersonating {@link javax.security.auth.Subject} to create a
* {@link javax.jcr.Session} to access the {@link javax.jcr.Repository}.
*/
public class ImpersonationCallback implements Callback {
/**
* The impersonating {@link Subject}.
* @see #setImpersonator(Object)
* @see #getImpersonator()
*/
private Subject impersonator;
/**
* Sets the impersonator in this callback.
*
* @param impersonator The impersonator to set on this callback. If this is
* not a {@link Subject} this method does nothing.
*/
public void setImpersonator(Object impersonator) {
if (impersonator instanceof Subject) {
this.impersonator = (Subject) impersonator;
}
}
/**
* Returns the impersonator {@link Subject} set on this callback or
* <code>null</code> if not set.
*
* @return the impersonator {@link Subject} set on this callback or
* <code>null</code> if not set.
*/
public Subject getImpersonator() {
return impersonator;
}
}