/*
* JBoss, Home of Professional Open Source.
* Copyright 2009, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.system.server.profileservice.persistence.deployer;
import java.io.IOException;
import java.util.List;
import org.jboss.deployers.spi.structure.ContextInfo;
import org.jboss.deployers.spi.structure.MetaDataEntry;
import org.jboss.deployers.spi.structure.StructureMetaData;
import org.jboss.deployers.vfs.spi.structure.VFSDeploymentUnit;
import org.jboss.logging.Logger;
import org.jboss.vfs.VirtualFile;
import org.jboss.vfs.VirtualFileFilter;
import org.jboss.vfs.util.SuffixMatchFilter;
/**
* @author <a href="mailto:emuckenh@redhat.com">Emanuel Muckenhuber</a>
* @version $Revision$
*/
public class PersistenceModificationChecker
{
/** The logger. */
private static final Logger log = Logger.getLogger(PersistenceModificationChecker.class);
/** The filter. */
private static VirtualFileFilter filter = new SuffixMatchFilter(".xml");
public static boolean hasBeenModified(VFSDeploymentUnit unit, long lastModified) throws Exception
{
VirtualFile root = unit.getRoot();
if (root.isFile())
{
if(root.getLastModified() > lastModified)
return true;
}
StructureMetaData structureMetaData = unit.getAttachment(StructureMetaData.class);
if(structureMetaData == null)
return false;
ContextInfo info = structureMetaData.getContext(unit.getSimpleName());
if(info == null && unit.isTopLevel())
info = structureMetaData.getContext("");
if(info == null)
return false;
return hasBeenModifed(root, info, lastModified);
}
protected static boolean hasBeenModifed(VirtualFile root, ContextInfo contextInfo, long lastModified) throws IOException
{
List<MetaDataEntry> metadataPaths = contextInfo.getMetaDataPath();
if (metadataPaths != null && metadataPaths.isEmpty() == false)
{
for (MetaDataEntry metaDataPath : metadataPaths)
{
VirtualFile mdpVF = root.getChild(metaDataPath.getPath());
if (mdpVF.exists())
{
List<VirtualFile> children = mdpVF.getChildren(filter);
if (children != null && children.isEmpty() == false)
{
for (VirtualFile child : children)
{
if (child.getLastModified() > lastModified)
{
if (log.isTraceEnabled())
log.trace("Metadata location modified: " + child);
return true;
}
}
}
}
}
}
return false;
}
}