Java Utililty Methods File Name Extract

List of utility methods to do File Name Extract

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Description

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

Method

StringextractFileName(final String filePath)
extract File Name 
String result;
int pos = filePath.lastIndexOf(fileSeparator);
if (pos < 0) {
    result = filePath;
} else {
    result = filePath.substring(pos + 1, filePath.length());
return result;
...
StringextractFileName(StackTraceElement aFrame)
extract File Name 
String fileName = aFrame.getFileName();
if (fileName != null) {
    int atIndex = fileName.indexOf("@");
    if (atIndex != -1) {
        fileName = fileName.substring(0, atIndex);
    return fileName;
} else {
...
StringextractFileName(String file)
extract File Name 
if (file.matches("^(\\w){2,}:.*")) 
    return null;
else if (file.matches("^\\/.*")) 
    return file;
else if (file.matches("^\\w:[\\\\,\\/].*")) { 
    file = file.replaceAll("\\\\", "\\/"); 
    return "/" + file; 
} else if (file.matches("^(\\.)+\\/.*|^\\w+\\/.*|^\\w+.*")) 
...
StringextractFileName(String fileName)
extract File Name 
if (null == fileName || "".equals(fileName.trim())) {
    throw new IllegalArgumentException("File Name cannot be Null/Empty");
int extensionStartPt = fileName.lastIndexOf(".");
return fileName.substring(0, extensionStartPt);
StringextractFileName(String filePathName)
Extract file name (without path and suffix) from file name with path and suffix. 
if (filePathName == null)
    return null;
int dotPos = filePathName.lastIndexOf('.');
int slashPos = filePathName.lastIndexOf('\\');
int backSlashPos = filePathName.lastIndexOf('/');
slashPos = slashPos > backSlashPos ? slashPos : backSlashPos;
if (dotPos > slashPos) {
    return filePathName.substring(slashPos > 0 ? slashPos + 1 : 0, dotPos);
...
StringextractFileName(String filePathName)
extract File Name 
if (filePathName == null) {
    return null;
int dotPos = filePathName.lastIndexOf('.');
int slashPos = filePathName.lastIndexOf('\\');
if (slashPos == -1) {
    slashPos = filePathName.lastIndexOf('/');
if (dotPos > slashPos) {
    return filePathName.substring(slashPos > 0 ? slashPos + 1 : 0, dotPos);
return filePathName.substring(slashPos > 0 ? slashPos + 1 : 0);
StringextractFileName(String fn)
extract File Name 
int j = lastIndexOfPathSeparator(fn);
if (j == -1) {
    return fn;
return (fn.substring(j + 1));
StringextractFileName(String fullPath)
extract File Name 
String sep1 = "/";
String sep2 = "\\";
if (fullPath.lastIndexOf(sep1) >= 0) {
    return fullPath.substring(fullPath.lastIndexOf(sep1) + 1);
} else if (fullPath.lastIndexOf(sep2) >= 0) {
    return fullPath.substring(fullPath.lastIndexOf(sep2) + 1);
return fullPath;
...
StringextractFileName(String name)
extract File Name 
return name.substring(0, 8);
StringextractFilename(String path)
extract Filename 
if (path == null)
    return null;
String norm = path.replace('\\', '/');
int i = norm.lastIndexOf('/');
if (i == -1) {
    return path;
} else {
    return norm.substring(i + 1);
...