/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, 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.deployers.vfs.spi.structure.modified;
import java.io.IOException;
import org.jboss.deployers.vfs.spi.structure.VFSDeploymentContext;
import org.jboss.deployers.structure.spi.main.MainDeployerStructure;
import org.jboss.virtual.VirtualFile;
import org.jboss.virtual.VisitorAttributes;
/**
* Synch wrapper modification checker.
*
* If there is no modification, we check if the deployment is perhaps a temp,
* only then checking if we need to update some resource.
* e.g. some .jsp or .xhtml file for JBossWeb to pick up the change
*
* @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
*/
public class SynchWrapperModificationChecker extends AbstractStructureModificationChecker<Long>
{
/** The true checker delegate */
private AbstractStructureModificationChecker<Long> delegate;
/** The synch adapter */
private SynchAdapter synchAdapter;
/** the visitor attributes */
private VisitorAttributes originalAttributes;
private VisitorAttributes tempAttributes;
public SynchWrapperModificationChecker(AbstractStructureModificationChecker<Long> delegate, SynchAdapter synchAdapter)
{
if (delegate == null)
throw new IllegalArgumentException("Null delegate");
if (synchAdapter == null)
throw new IllegalArgumentException("Null synch adapter");
this.delegate = delegate;
this.synchAdapter = synchAdapter;
}
@Override
protected StructureCache<Long> getCache()
{
return delegate.getCache();
}
@Override
protected MainDeployerStructure getMainDeployerStructure()
{
return delegate.getMainDeployerStructure();
}
@Override
protected boolean hasRootBeenModified(VirtualFile root) throws IOException
{
return delegate.hasRootBeenModified(root);
}
protected boolean hasStructureBeenModifed(VirtualFile root, VFSDeploymentContext deploymentContext) throws IOException
{
boolean modified = delegate.hasStructureBeenModifed(root, deploymentContext);
// it was not modifed & we're actually temped
if (modified == false && root != deploymentContext.getRoot())
{
// check for update or delete
UpdateDeleteVisitor udVisitor = new UpdateDeleteVisitor(tempAttributes, getCache(), synchAdapter, root);
VirtualFile tempRoot = deploymentContext.getRoot();
tempRoot.visit(udVisitor);
// check for addition
AddVisitor addVisitor = new AddVisitor(originalAttributes, getCache(), synchAdapter, tempRoot, root.getPathName().length());
root.visit(addVisitor);
}
return modified;
}
public void addStructureRoot(VirtualFile root)
{
delegate.addStructureRoot(root);
}
public void removeStructureRoot(VirtualFile root)
{
delegate.removeStructureRoot(root);
}
/**
* Set original visitor attributes.
*
* @param attributes the attributes
*/
public void setOriginalAttributes(VisitorAttributes attributes)
{
this.originalAttributes = attributes;
}
/**
* Set temp visitor attributes.
*
* @param attributes the attributes
*/
public void setTempAttributes(VisitorAttributes attributes)
{
this.tempAttributes = attributes;
}
}