Get file name from URL

Question

In Java, given a java.net.URL or a String in the form of http://www.example.com/some/path/to/a/file.xml , what is the easiest way to g

Answer 1

Keep it simple :

/**
 * This function will take an URL as input and return the file name.
 * 
Examples :
 * 

 * 
http://example.com/a/b/c/test.txt -> test.txt
 * 
http://example.com/ -> an empty string 
 * 
http://example.com/test.txt?param=value -> test.txt
 * 
http://example.com/test.txt#anchor -> test.txt
 * 
 * 
 * @param url The input URL
 * @return The URL file name
 */
public static String getFileNameFromUrl(URL url) {

    String urlString = url.getFile();

    return urlString.substring(urlString.lastIndexOf('/') + 1).split("\\?")[0].split("#")[0];
}