/**
* This file Copyright (c) 2003-2012 Magnolia International
* Ltd. (http://www.magnolia-cms.com). All rights reserved.
*
*
* This file is dual-licensed under both the Magnolia
* Network Agreement and the GNU General Public License.
* You may elect to use one or the other of these licenses.
*
* This file is distributed in the hope that it will be
* useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
* Redistribution, except as permitted by whichever of the GPL
* or MNA you select, is prohibited.
*
* 1. For the GPL license (GPL), you can redistribute and/or
* modify this file under the terms of the GNU General
* Public License, Version 3, as published by the Free Software
* Foundation. You should have received a copy of the GNU
* General Public License, Version 3 along with this program;
* if not, write to the Free Software Foundation, Inc., 51
* Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 2. For the Magnolia Network Agreement (MNA), this file
* and the accompanying materials are made available under the
* terms of the MNA which accompanies this distribution, and
* is available at http://www.magnolia-cms.com/mna.html
*
* Any modifications to this file must keep this entire header
* intact.
*
*/
package info.magnolia.cms.util;
import info.magnolia.cms.core.Content;
import info.magnolia.cms.core.HierarchyManager;
import info.magnolia.cms.core.NodeData;
import info.magnolia.context.MgnlContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.jcr.RepositoryException;
import java.io.Serializable;
/**
* Stores an uuid and will re-fetch the node in {@link #getWrappedContent()} if the session is closed.
* @version $Id$
*
*/
public class LazyContentWrapper extends ContentWrapper implements Serializable {
private static final Logger log = LoggerFactory.getLogger(LazyContentWrapper.class);
private String repository;
private String uuid;
private transient Content node;
public LazyContentWrapper(String repository, String uuid) {
this.setRepository(repository);
this.setUuid(uuid);
}
public LazyContentWrapper(Content node) {
try {
this.setRepository(node.getWorkspace().getName());
} catch (RepositoryException e) {
log.error("can't read repository name from wrapping node", e);
}
this.setUuid(node.getUUID());
this.node = node;
}
@Override
public synchronized Content getWrappedContent() {
try {
if (node == null || !node.getJCRNode().getSession().isLive()) {
node = getHierarchyManager().getContentByUUID(getUuid());
}
} catch (RepositoryException e) {
log.error("can't reinitialize node " + getUuid(), e);
}
return node;
}
@Override
public HierarchyManager getHierarchyManager() {
return MgnlContext.getSystemContext().getHierarchyManager(getRepository());
}
@Override
public NodeData wrap(NodeData nodeData) {
return new LazyNodeDataWrapper(nodeData);
}
protected void setUuid(String uuid) {
this.uuid = uuid;
}
protected String getUuid() {
return uuid;
}
protected void setRepository(String repository) {
this.repository = repository;
}
protected String getRepository() {
return repository;
}
}