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package eu.etaxonomy.cdm.persistence.hibernate;
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import org.hibernate.HibernateException;
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import org.hibernate.event.SaveOrUpdateEvent;
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import org.hibernate.event.SaveOrUpdateEventListener;
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import org.joda.time.DateTime;
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import org.springframework.security.core.Authentication;
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import org.springframework.security.core.context.SecurityContextHolder;
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import eu.etaxonomy.cdm.model.common.User;
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import eu.etaxonomy.cdm.model.common.VersionableEntity;
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public class SaveOrUpdateEntityListener implements SaveOrUpdateEventListener {
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public void onSaveOrUpdate(SaveOrUpdateEvent event)
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throws HibernateException {
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Object entity = event.getObject();
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if(entity != null && VersionableEntity.class.isAssignableFrom(entity.getClass())) {
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VersionableEntity versionableEntity = (VersionableEntity)entity;
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if (versionableEntity.getId()== 0){
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versionableEntity.setUpdated(new DateTime());
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Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
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if(authentication != null && authentication.getPrincipal() != null && authentication.getPrincipal() instanceof User) {
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User user = (User)authentication.getPrincipal();
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versionableEntity.setUpdatedBy(user);
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}
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}
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}
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}
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}
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