Java Utililty Methods File Name Get

List of utility methods to do File Name Get

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Description

The list of methods to do File Name Get are organized into topic(s).

Method

String[]getFileNameStartingWith(String directory, String prefix)
get an array of all files in the given directory, with given prefix 
Vector<String> vector = new Vector<String>();
File f = new File(directory);
File[] files = f.listFiles();
for (int i = 0; i < files.length; i++) {
    if (files[i].getName().startsWith(prefix)) {
        vector.add(files[i].getName());
String[] toReturn = new String[vector.size()];
vector.toArray(toReturn);
return toReturn;
StringgetFilenameSuffix(final File file)
Gets the filename suffix or null if no suffix exists or the given file object is a directory. 
if (!file.isDirectory()) {
    final String fileName = file.getAbsolutePath();
    final int ext_index = fileName.lastIndexOf(".");
    final String fileNameSuffix;
    if (ext_index != -1) {
        fileNameSuffix = fileName.substring(ext_index, fileName.length());
    } else {
        fileNameSuffix = null;
...
ArrayListgetFileNameUtil(String dataPath)
get File Name Util 
ArrayList<String> fileName = new ArrayList<>();
File file = new File(dataPath);
File[] files = file.listFiles();
if (files != null) {
    for (File file1 : files) {
        if (file1.isDirectory()) {
            getFileNameUtil(file1.getPath());
        } else {
...
FilegetFileNameWithAddedExtension(File parent, File f, String ext)
get File Name With Added Extension 
File ff = new File(parent, f.getName() + ext);
if (ff.exists()) {
    return ff;
return null;
FilegetFileNameWithNewExtension(File parent, File file, String ext)
get File Name With New Extension 
return isFileExists(new File(parent, file.getName()), ext);
StringgetFilenameWithoutAnyExtension(File file)
Gets the name of the supplied file without any extension. 
return getFilenameWithoutAnyExtension(file.getName());
StringgetFileNameWithoutExt(File file)
get File Name Without Ext 
if (file.getName().lastIndexOf(".") == -1)
    return file.getName();
return file.getName().substring(0, file.getName().lastIndexOf("."));
StringgetFileNameWithoutExt(File filePath)
get the file name without extension 
if (filePath == null)
    return null;
String fileName = filePath.getName();
if (fileName == null)
    return null;
return (fileName.substring(0, fileName.lastIndexOf(".")));
StringgetFileNameWithoutExt(String file)
get File Name Without Ext 
return file.substring(getSeparatorIndex(file), getDotIndex(file));
StringGetFileNameWithoutExt(String file_path)
Returns the name of the file without the extension 
int pos = file_path.lastIndexOf(FILE_EXTENSION_SEPARATOR);
int pos2 = file_path.lastIndexOf(GetDirectorySeparator());
if (pos2 < pos)
    return file_path.substring(0, pos);
else
    return file_path;