import java.io.*; import java.net.*; public class URLUtils { // Create a new URL from a string static URL newURL(String filename) throws MalformedURLException { URL url = null; try { // First try to see if filename is *already* a valid URL url = new URL(filename); } // If not, then assume it's a "naked" filename and make a URL catch (MalformedURLException ex) { // Get the absolute path of the file String path = (new File(filename)).getAbsolutePath(); // If directory separator character is not a forward slash, make it so. if (File.separatorChar != '/') { path = path.replace(File.separatorChar,'/'); } // Add a leading slash if path doesn't start with one (e.g. E:/foo/bar) if (!path.startsWith("/")) { path = "/"+path; } // Construct the file URL url = new URL("file://" + path); } return url; } } |