Java Utililty Methods Is Legal File Path

List of utility methods to do Is Legal File Path

  1. HOME
  2. Java
  3. I
  4. Is Legal File Path

Description

The list of methods to do Is Legal File Path are organized into topic(s).

Method

booleanisLegalDir(final String dirname)
Proves if the argument points to a existent directory (not file!). 
final File f = new File(dirname);
if (!f.exists()) {
    return false;
if (f.isFile()) {
    return false;
return true;
...
booleanisLegalFile(String filePath)
is Legal File 
File file = new File(filePath);
if (!file.exists() || file.isDirectory() || !file.canRead()) {
    return false;
return true;
booleanisLegalFilePath(File inBasePath, File inResourcePath)
check if the resource path is a subpath of the basepath 
try {
    return inResourcePath.getCanonicalPath().startsWith(inBasePath.getCanonicalPath());
} catch (final Exception e) {
    return false;