Here you can find the source of toFile(String filenameOrFileURI)
private static File toFile(String filenameOrFileURI) throws URISyntaxException, IllegalArgumentException
//package com.java2s; /*/*from w ww. j av a 2s. c o m*/ * org.daisy.util (C) 2005-2008 Daisy Consortium * * This library 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 library 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 library; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ import java.io.File; import java.net.URI; import java.net.URISyntaxException; import java.util.regex.Pattern; public class Main { private static Pattern schemePattern = Pattern.compile("[a-z]{2,}:.*"); private static File toFile(String filenameOrFileURI) throws URISyntaxException, IllegalArgumentException { if (schemePattern.matcher(filenameOrFileURI).matches()) { File f = new File(new URI(filenameOrFileURI)); return f; } return new File(filenameOrFileURI); } }