Android 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

StringgetFileName(String fileName)
Recebe o nome do arquivo e retorna seu conteudo, removendo a extensao: teste.txt -> teste arquivo para rename -> arquivo para rename outro_teste.comPonto.xls -> outro_teste.comPonto 
if (fileName == null) {
    return null;
if (fileName.equals("")) {
    return "";
String[] valores = fileName.split("\\.");
if (valores.length == 1) {
...
StringgetFileName(String filePath)
get File Name 
if (StringUtil.isEmpty(filePath)) {
    return null;
int pos = filePath.lastIndexOf(File.separator);
if (pos == -1) {
    return null;
return filePath.substring(pos + 1);
...
StringgetFileName(String path)
Return the filename component of the provided string path, if one exists. 
if (!isLikelyFilePath(path)) {
    return null;
String[] components = path.split("\\\\|/"); 
return components[components.length - 1];
StringgetRandomFileName(String prefix, String suffix)
Creates a file name with a random integer number inserted between the prefix and suffix 
StringBuilder name = new StringBuilder();
if (prefix != null) {
    name.append(prefix);
name.append((long) (Integer.MAX_VALUE * Math.random()));
if (suffix != null) {
    name.append(suffix);
return name.toString();
StringparseFileName(String path)
Returns the filename or last name in the path. 
String fileName = null;
if (path != null) {
    String[] parts = path.split("[/|\\\\]");
    fileName = parts[parts.length - 1];
return fileName;
StringgetSuffix(File file)
Returns a suffix string from a File. 
String filename = file.getName();
int index = filename.lastIndexOf(".");
if (index != -1) {
    return filename.substring(index + 1);
return filename;
StringgetSuffix(String fileName)
get Suffix 
if (!TextUtils.isEmpty(fileName) && fileName.contains(".")) {
    return fileName.substring(fileName.lastIndexOf(".") + 1);
return "";
StringgetNamePart(String fileName)
get Name Part 
int point = getPathLastIndex(fileName);
int length = fileName.length();
if (point == -1) {
    return fileName;
} else if (point == length - 1) {
    int secondPoint = getPathLastIndex(fileName, point - 1);
    if (secondPoint == -1) {
        if (length == 1) {
...
FileappendNumberToFilenameIfExists(String fileName, File directory)
append Number To Filename If Exists 
File newFile = new File(directory, fileName);
int nextFile = 0;
while (newFile.exists()) {
    nextFile++;
    newFile = new File(directory, fileName + " ("
            + Integer.toString(nextFile) + ")");
return newFile;
...
StringgetUniqueImageFilename(String prefix)
get Unique Image Filename 
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss")
        .format(new Date());
String imageFileName = prefix + timeStamp + ".jpg";
return imageFileName;