/*
* 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.plugins.structure.modify;
import java.util.ArrayList;
import java.util.List;
import org.jboss.deployers.client.spi.Deployment;
import org.jboss.deployers.spi.structure.ContextInfo;
import org.jboss.deployers.spi.structure.StructureMetaData;
import org.jboss.deployers.structure.spi.StructureProcessor;
import org.jboss.deployers.structure.spi.DeploymentContext;
import org.jboss.deployers.vfs.spi.client.VFSDeployment;
import org.jboss.deployers.vfs.spi.structure.VFSDeploymentContext;
import org.jboss.virtual.VirtualFile;
/**
* Determine if we need some modification.
*
* @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
*/
public class ModificationTypeStructureProcessor implements StructureProcessor
{
private List<ModificationTypeMatcher> matchers;
public void prepareStructureMetaData(Deployment deployment, StructureMetaData structureMetaData)
{
if (deployment instanceof VFSDeployment == false)
return;
VFSDeployment vfsDeployment = VFSDeployment.class.cast(deployment);
VirtualFile root = vfsDeployment.getRoot();
checkForModification(root, structureMetaData);
}
public void prepareContextInfo(DeploymentContext parentDeploymentContext, ContextInfo contextInfo)
{
if (parentDeploymentContext instanceof VFSDeploymentContext == false || contextInfo == null)
return;
VFSDeploymentContext vfsParentDeploymentContext = VFSDeploymentContext.class.cast(parentDeploymentContext);
VirtualFile root = vfsParentDeploymentContext.getFile(contextInfo.getPath());
checkForModification(root, contextInfo);
}
public void applyStructureMetaData(DeploymentContext deploymentContext, StructureMetaData structureMetaData)
{
}
public void applyContextInfo(DeploymentContext deploymentContext, ContextInfo contextInfo)
{
}
/**
* Check for modification.
*
* @param root the deployment root
* @param structureMetaData the structure metadata
*/
protected void checkForModification(VirtualFile root, StructureMetaData structureMetaData)
{
ContextInfo contex = structureMetaData.getContext("");
if (contex == null || contex.getModificationType() != null)
return;
if (matchers != null && matchers.isEmpty() == false)
{
for (ModificationTypeMatcher matcher : matchers)
{
if (matcher.determineModification(root, structureMetaData))
{
break;
}
}
}
}
/**
* Check for modification.
*
* @param root the deployment root
* @param contextInfo the context info
*/
protected void checkForModification(VirtualFile root, ContextInfo contextInfo)
{
if (root == null || contextInfo == null || contextInfo.getModificationType() != null)
return;
if (matchers != null && matchers.isEmpty() == false)
{
for (ModificationTypeMatcher matcher : matchers)
{
if (matcher.determineModification(root, contextInfo))
{
break;
}
}
}
}
/**
* Set modification type matchers.
*
* @param matchers the modification type matchers.
*/
public void setMatchers(List<ModificationTypeMatcher> matchers)
{
this.matchers = matchers;
}
/**
* Add modification type matcher.
*
* @param matcher the modification type matcher
*/
public void addMatcher(ModificationTypeMatcher matcher)
{
if (matchers == null)
matchers = new ArrayList<ModificationTypeMatcher>();
matchers.add(matcher);
}
/**
* Remove modification type matcher.
*
* @param matcher the modification type matcher
*/
public void removeMatcher(ModificationTypeMatcher matcher)
{
if (matchers != null)
{
matchers.remove(matcher);
}
}
}