/*
* 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.Collections;
import java.util.List;
import java.util.ArrayList;
import org.jboss.deployers.spi.structure.ContextInfo;
import org.jboss.deployers.spi.structure.MetaDataEntry;
import org.jboss.virtual.VirtualFile;
/**
* File modification type matcher.
*
* @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
*/
public class FileModificationTypeMatcher extends AbstractModificationTypeMatcher
{
private String[] paths;
private boolean metadataOnly;
public FileModificationTypeMatcher(String... paths)
{
if (paths == null || paths.length == 0)
throw new IllegalArgumentException("Null or empty paths");
this.paths = paths;
}
protected boolean isModificationDetermined(VirtualFile root, ContextInfo contextInfo)
{
for (String path : paths)
{
for (VirtualFile file : getStartingFiles(root, contextInfo))
{
try
{
if (file.getChild(path) != null)
return true;
}
catch (Exception e)
{
log.debug("Cannot determine modification type, cause: " + e);
}
}
}
return false;
}
/**
* Get starting files for path check.
*
* @param file the current file
* @param contextInfo the context info
* @return list of starting files
*/
protected List<VirtualFile> getStartingFiles(VirtualFile file, ContextInfo contextInfo)
{
if (metadataOnly)
{
List<MetaDataEntry> metadataPaths = contextInfo.getMetaDataPath();
if (metadataPaths == null || metadataPaths.isEmpty())
{
return Collections.emptyList();
}
else
{
List<VirtualFile> result = new ArrayList<VirtualFile>(metadataPaths.size());
for (MetaDataEntry metadataPath : metadataPaths)
{
try
{
VirtualFile child = file.getChild(metadataPath.getPath());
if (child != null)
result.add(child);
}
catch (Exception ignored)
{
}
}
return result;
}
}
else
{
return Collections.singletonList(file);
}
}
/**
* Should we check metadata only.
*
* @param metadataOnly the metadata only flag
*/
public void setMetadataOnly(boolean metadataOnly)
{
this.metadataOnly = metadataOnly;
}
}