How to display default system icon for files in JFileChooser?

Question

How to display default system icon for files in JFileChooser? i.e. the icons of the files in JFileChooser should be the same as the icons that app

Answer 1

We can use the FileSystemView class and get it's object by calling getFileSystemView() static method in it and then use the getSystemIcon() method which takes a File object and returns it's icon.

FileSystemView and FileView classes are present in javax.swing.filechooser package. File class is in the java.io package.

Note: FileSystemView does not extend FileView. Hence you cannot use FileSystemView object in jf.setFileView()

JFileChooser jf=new JFileChooser();
jf.setFileView(new MyFileView());
jf.showOpenDialog(this);

class MyFileView extends FileView
{
      public Icon getIcon(File f)
      {
      FileSystemView view=FileSystemView.getFileSystemView();
            return view.getSystemIcon(f);
      }
}

this represents the current frame. Assume that the class in which this code is written is sub class of JFrame

Or in a simple way,

jf.setFileView(new FileView(){
            public Icon getIcon(File f)
            {
                return FileSystemView.getFileSystemView().getSystemIcon(f);
            }
        });