Forge UrlResource

gistfile1.java

package org.jboss.forge.resources;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Collections;
import java.util.List;

import org.jboss.forge.project.services.ResourceFactory;

@ResourceHandles({ "http://.*", "https://.*" })
public class UrlResource extends VirtualResource<URL>
{

   private URL url;

   public UrlResource(final ResourceFactory factory, final Resource<?> parent)
   {
      super(factory, parent);
   }

   public UrlResource(final ResourceFactory factory, final URL url)
   {
      super(factory, null);
      this.url = url;
   }

   @Override
   public boolean delete() throws UnsupportedOperationException
   {
      throw new UnsupportedOperationException();
   }

   @Override
   public boolean delete(boolean recursive) throws UnsupportedOperationException
   {
      throw new UnsupportedOperationException();
   }

   @Override
   public String getName()
   {
      return getUnderlyingResourceObject().toString();
   }

   @Override
   public Resource<URL> createFrom(URL file)
   {
      return new UrlResource(getResourceFactory(), file);
   }

   @Override
   public URL getUnderlyingResourceObject()
   {
      return url;
   }

   @Override
   public InputStream getResourceInputStream()
   {
      try
      {
         return url.openStream();
      }
      catch (IOException io)
      {
         throw new RuntimeException(io);
      }
   }

   @Override
   public Resource<?> getChild(String name)
   {
      return null;
   }

   @Override
   public boolean exists()
   {
      try
      {
         url.openStream().close();
      }
      catch (IOException io)
      {
         return false;
      }
      return true;
   }

   @Override
   protected List<Resource<?>> doListResources()
   {
      return Collections.emptyList();
   }

}