### Question:
PlatformPluginFileURLHandler extends AbstractURLStreamHandlerService { @Override public URLConnection openConnection( URL u ) throws IOException { URL fileUrl = new URL( "file", null, u.getPath() ); return new PlatformPluginBundlingURLConnection( fileUrl, pluginFileHandlers ); }  void setPluginFileHandlers( List<PluginFileHandler> pluginFileHandlers ); void setBundleStateManager( BundleStateManager bundleStateManager ); @Override URLConnection openConnection( URL u );  }### Answer:
@Test public void testUrlHandler() throws IOException { PlatformPluginFileURLHandler platformPluginURLHandler = new PlatformPluginFileURLHandler(); assertTrue( platformPluginURLHandler.openConnection( new URL( "http: }