/*
* JBoss, Home of Professional Open Source
* Copyright 2006, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.virtual.plugins.context;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import org.jboss.util.file.ArchiveBrowser;
import org.jboss.virtual.VirtualFile;
import org.jboss.virtual.VirtualFileFilter;
import org.jboss.virtual.VisitorAttributes;
import org.jboss.virtual.plugins.context.jar.JarUtils;
import org.jboss.virtual.plugins.vfs.helpers.FilterVirtualFileVisitor;
import org.jboss.virtual.plugins.vfs.helpers.SuffixesExcludeFilter;
/**
* This is a bridge to an older, crappier API written by myself.
*
* @deprecated
*
* @author <a href="bill@jboss.com">Bill Burke</a>
* @version $Revision: 1.1 $
*/
public class VfsArchiveBrowser implements Iterator
{
private VirtualFile vf;
private Iterator<VirtualFile> it;
public VfsArchiveBrowser(ArchiveBrowser.Filter filter, VirtualFile vf)
{
this.vf = vf;
List<VirtualFile> classes = getResources(new ArchiveBrowserFilter(filter));
it = classes.iterator();
}
/**
* Get resources.
*
* @param filter the filter
* @return resources list
*/
public List<VirtualFile> getResources(VirtualFileFilter filter)
{
VisitorAttributes va = new VisitorAttributes();
va.setLeavesOnly(true);
SuffixesExcludeFilter noJars = new SuffixesExcludeFilter(JarUtils.getSuffixes());
va.setRecurseFilter(noJars);
FilterVirtualFileVisitor visitor = new FilterVirtualFileVisitor(filter, va);
try
{
vf.visit(visitor);
}
catch (IOException e)
{
throw new RuntimeException(e);
}
return visitor.getMatched();
}
public boolean hasNext()
{
return it.hasNext();
}
public Object next()
{
try
{
return it.next().openStream();
}
catch (IOException e)
{
throw new RuntimeException(e);
}
}
public void remove()
{
it.remove();
}
/**
* Archive browser delegate filter.
*/
private static class ArchiveBrowserFilter implements VirtualFileFilter
{
private ArchiveBrowser.Filter filter;
public ArchiveBrowserFilter(ArchiveBrowser.Filter filter)
{
if (filter == null)
throw new IllegalArgumentException("Null filter");
this.filter = filter;
}
public boolean accepts(VirtualFile file)
{
return filter.accept(file.getName());
}
}
}