Sha256: 5f772f3024b4067b2ff1cb6b3945ef1d6198a4ba5c56feb5712db16a4134ba20
Contents?: true
Size: 836 Bytes
Versions: 6
Compression:
Stored size: 836 Bytes
Contents
package org.sunflow.system;
import java.io.File;
import java.util.Locale;
public final class FileUtils {
/**
* Extract the file extension from the specified filename.
*
* @param filename filename to get the extension of
* @return a string representing the file extension, or <code>null</code> if
* the filename doesn't have any extension, or is not a file
*/
public static String getExtension(String filename) {
if (filename == null) {
return null;
}
File f = new File(filename);
if (f.isDirectory()) {
return null;
}
String name = new File(filename).getName();
int idx = name.lastIndexOf('.');
return idx == -1 ? null : name.substring(idx + 1).toLowerCase(Locale.ENGLISH);
}
}
Version data entries
6 entries across 6 versions & 1 rubygems