Java Utililty Methods Folder Size Get

List of utility methods to do Folder Size Get

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Description

The list of methods to do Folder Size Get are organized into topic(s).

Method

FontemSize(Font font, double em)
em Size 
return new Font(font.getName(), font.getStyle(), (int) (font.getSize() * em));
longfolderSize(File directory)
folder Size 
long length = 0;
for (File file : directory.listFiles()) {
    if (file.isFile()) {
        length += file.length();
    } else {
        length += folderSize(file);
return length;
longfolderSize(File directory)
Get the size of a directory in bytes 
long length = 0;
for (File file : directory.listFiles()) {
    if (file.isFile())
        length += file.length();
    else
        length += folderSize(file);
return length;
...
longfolderSize(File directory)
Recursively traverses a folder and its subfolders to calculate the total size in bytes. 
if (directory == null || !directory.exists()) {
    return -1;
if (directory.isDirectory()) {
    long length = 0;
    for (File file : directory.listFiles()) {
        length += folderSize(file);
    return length;
} else if (directory.isFile()) {
    return directory.length();
return 0;
DimensionfontSize(Font f)
{ method 
Toolkit g = Toolkit.getDefaultToolkit(); 
if (g == null) {
    return (new Dimension(10, 10));
FontMetrics metrics = g.getFontMetrics(f);
return (new Dimension(metrics.charWidth('W'), metrics.getHeight()));
DimensionfontSize(Font f)
{ method 
Toolkit g = Toolkit.getDefaultToolkit(); 
if (g == null) {
    return (new Dimension(10, 10));
FontRenderContext frc = new FontRenderContext(null, false, false);
Rectangle2D bounds = f.getStringBounds("W", frc);
double height = bounds.getHeight();
double width = bounds.getWidth();
...
voidsetFileChooserFont(Component[] comp, int newFontSize)
set File Chooser Font 
for (int x = 0; x < comp.length; x++) {
    if (comp[x] instanceof Container)
        setFileChooserFont(((Container) comp[x]).getComponents(), newFontSize);
    try {
        Font original = comp[x].getFont();
        Font newFont = original.deriveFont(Float.valueOf(newFontSize));
        comp[x].setFont(newFont);
    } catch (Exception e) {
...
voidsetFontOfPixelHeight(Graphics2D g, int style, double targetSize)
Sets the font on the given graphics context to have the given style and target size 
Font font = new Font("SansSerif", style, 1);
for (int i = 1; i < targetSize; i++) {
    Font bigger = font.deriveFont((float) i);
    g.setFont(bigger);
    if (bigger.getLineMetrics("WBLMNqpyg", g.getFontRenderContext()).getHeight() < targetSize) 
        font = bigger;
    } else {
...
voidsetFontSize(Component c, float size)
Set the font size for a component (leaves other properties of the current font intact) 
c.setFont(c.getFont().deriveFont(size));
CsetFontSize(final C component, final int fontSize)
Sets font size of the specified component. 
if (component != null && component.getFont() != null) {
    component.setFont(component.getFont().deriveFont((float) fontSize));
return component;