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A VFS library

There is a newer version: 3.3.2.Final

/*
 * 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.virtual;

import java.io.InputStream;

import org.jboss.virtual.plugins.vfs.helpers.LazyInputStream;

import org.xml.sax.InputSource;

/**
 * VFS based impl of InputSource.
 *
 * @author Ales Justin
 */
public class VFSInputSource extends InputSource
{
   private VirtualFile file;

   public VFSInputSource(VirtualFile file)
   {
      if (file == null)
         throw new IllegalArgumentException("Null file");

      this.file = file;
   }

   @Override
   public String getSystemId()
   {
      try
      {
         return file.toURI().toString();
      }
      catch (Exception e)
      {
         throw new RuntimeException(e);
      }
   }

   @Override
    public InputStream getByteStream() {
        return new LazyInputStream(file); 
   }

   @Override
   public String toString()
   {
      return file.getPathName();
   }
}