// ----------------------------------------------------------------------------- // ConvertBetweenFilenamePathAndURL.java // ----------------------------------------------------------------------------- /* * ============================================================================= * Copyright (c) 1998-2008 Jeffrey M. Hunter. All rights reserved. * * All source code and material located at the Internet address of * http://www.idevelopment.info is the copyright of Jeffrey M. Hunter and * is protected under copyright laws of the United States. This source code may * not be hosted on any other site without my express, prior, written * permission. Application to host any of the material elsewhere can be made by * contacting me at jhunter@idevelopment.info. * * I have made every effort and taken great care in making sure that the source * code and other content included on my web site is technically accurate, but I * disclaim any and all responsibility for any loss, damage or destruction of * data or any other property which may arise from relying on it. I will in no * case be liable for any monetary damages arising from such loss, damage or * destruction. * * As with any code, ensure to test this code in a development environment * before attempting to run it in production. * ============================================================================= */ import java.io.File; import java.net.URL; import java.io.InputStream; import java.io.BufferedOutputStream; import java.net.MalformedURLException; import java.io.IOException; /** * ----------------------------------------------------------------------------- * This program demonstrates how to convert between a filename path and a URL. * * @version 1.0 * @author Jeffrey M. Hunter (jhunter@idevelopment.info) * @author http://www.idevelopment.info * ----------------------------------------------------------------------------- */ public class ConvertBetweenFilenamePathAndURL { private static void doConversionTest() { // Create a File object File fileName = new File("README_InputFile.txt"); // Convert the file object to a URL URL url = null; try { // The file need not exist. It is made into an absolute path // by prefixing the current working directory url = fileName.toURL(); System.out.println(); System.out.println("Converted fileName to URL"); System.out.println("-------------------------"); System.out.println(" fileName = " + fileName); System.out.println(" URL = " + url); } catch (MalformedURLException e) { e.printStackTrace(); } // Convert the URL to a file object fileName = new File(url.getFile()); System.out.println(); System.out.println("Converted URL to fileName"); System.out.println("-------------------------"); System.out.println(" URL = " + url); System.out.println(" fileName = " + fileName); // Read the file contents usign the URL try { // Open an input stream InputStream is = url.openStream(); byte[] buf = new byte[1024]; int j = 0; while((j=is.read(buf))!=-1) { // Perform any actions with this InputStream... } is.close(); is.close(); } catch (IOException e) { e.printStackTrace(); } } /** * Sole entry point to the class and application. * @param args Array of String arguments. */ public static void main(String[] args) { doConversionTest(); } }