org.fryske_akademy.jpa.FARevisionListener Maven / Gradle / Ivy
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package org.fryske_akademy.jpa;
/*-
* #%L
* ejbCrudApi
* %%
* Copyright (C) 2018 Fryske Akademy
* %%
* 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.
* #L%
*/
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.naming.NamingException;
import static org.fryske_akademy.jpa.JpaUtil.findPrincipal;
import org.hibernate.envers.RevisionListener;
/**
*
* @author eduard
*/
public class FARevisionListener implements RevisionListener {
private static final Logger LOGGER = Logger.getLogger(FARevisionListener.class.getName());
/**
* adds principal name or {@link #UNKNOWN} to {@link RevisionInfo}.
* @param revisionEntity
*/
public void newRevision(Object revisionEntity) {
String name = UNKNOWN;
try {
name = findPrincipal().getName();
} catch (NamingException|IllegalStateException ex) {
LOGGER.log(Level.WARNING, "principal not found, auditing \"UNKNOWN\" as user, not logged in?");
}
RevisionInfo revisioninfo = (RevisionInfo) revisionEntity;
revisioninfo.setUsername(name);
}
/**
* when principal name not found
*/
public static final String UNKNOWN = "UNKNOWN";
}