/*
* 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.List;
import org.jboss.deployers.spi.structure.ContextInfo;
import org.jboss.deployers.spi.structure.ModificationType;
import org.jboss.deployers.spi.structure.StructureMetaData;
import org.jboss.logging.Logger;
import org.jboss.virtual.VirtualFile;
/**
* Abstract modification type matcher.
*
* @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
*/
public abstract class AbstractModificationTypeMatcher implements ModificationTypeMatcher
{
protected Logger log = Logger.getLogger(getClass());
private boolean checkChildren;
private boolean topLevelOnly;
private boolean childrenOnly;
private ModificationType modificationType;
public boolean determineModification(VirtualFile root, StructureMetaData structureMetaData)
{
ContextInfo contextInfo = structureMetaData.getContext("");
if (childrenOnly == false)
{
boolean result = isModificationDetermined(root, contextInfo);
if (result)
{
contextInfo.setModificationType(modificationType);
return true;
}
}
if (checkChildren)
{
List<ContextInfo> contexts = structureMetaData.getContexts();
if (contexts != null && contexts.isEmpty() == false)
{
for (ContextInfo child : contexts)
{
String path = child.getPath();
// Only process the child contexts
if ("".equals(path) == false)
{
try
{
VirtualFile file = root.getChild(path);
if (file != null && isModificationDetermined(file, child))
{
contextInfo.setModificationType(modificationType);
return true;
}
}
catch (Exception e)
{
log.debug("Exception checking child context (" + child + ") for modification, cause: " + e);
}
}
}
}
}
return false;
}
public boolean determineModification(VirtualFile root, ContextInfo contextInfo)
{
boolean result = false;
if (topLevelOnly == false)
{
result = isModificationDetermined(root, contextInfo);
if (result)
{
contextInfo.setModificationType(modificationType);
}
}
return result;
}
/**
* Is modification determined.
*
* @param file the file
* @param contextInfo the context info
* @return true if we should apply modification type, false otherwise
*/
protected abstract boolean isModificationDetermined(VirtualFile file, ContextInfo contextInfo);
/**
* Do we apply modification to the top structure context.
*
* @param checkChildren the apply to top flag
*/
public void setCheckChildren(boolean checkChildren)
{
this.checkChildren = checkChildren;
}
/**
* Is this matcher top level only.
*
* @param topLevelOnly the top level only flag
*/
public void setTopLevelOnly(boolean topLevelOnly)
{
this.topLevelOnly = topLevelOnly;
}
/**
* Is this matcher children only.
*
* @param childrenOnly the children only flag
*/
public void setChildrenOnly(boolean childrenOnly)
{
this.childrenOnly = childrenOnly;
}
/**
* Set the modification type.
*
* @param modificationType the modification type
*/
public void setModificationType(ModificationType modificationType)
{
this.modificationType = modificationType;
}
}