package org.webslinger.modules;

 import java.util.Collection;

 import org.apache.commons.vfs.FileObject;

 import org.apache.commons.vfs.FileSystemException;

 import org.apache.commons.vfs.FileSystemOptions;

 import org.apache.commons.vfs.provider.AbstractFileProvider;

 import org.apache.commons.vfs.provider.local.DefaultLocalFileProvider;

 public class WebslingerModulesProvider extends AbstractFileProvider {

     public Collection getCapabilities() {

         return DefaultLocalFileProvider.capabilities;

     }

     public FileObject findFile(FileObject base, String name, FileSystemOptions properties) throws FileSystemException {

         try {

             FileObject modulesBase = WebslingerModulesConfigBuilder.getInstance().getModulesBase(properties);

             return modulesBase.resolveFile(name.substring("wsmodule://".length()));

         } catch (Exception e) {

             throw (FileSystemException) new FileSystemException(e.getMessage(), null, e).initCause(e);

         }

     }

 }