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I am using the FileNameExtensionFilter to filter the file type but when the user selects the open button, they have the option to select "All files" from the file type. is there a way to disable that option?
FileFilter filter = new FileNameExtensionFilter("JPEG file", "jpg", "jpeg");
JFileChooser fileChooser = ...;
fileChooser.addChoosableFileFilter(filter);
so something to add to above code which disallow user to select any other file?
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For example, if you want to filter your JFileChooser to strictly display most commonly found image files, you would use something like this: FileNameExtensionFilter filter = new FileNameExtensionFilter("Image Files", "jpg", "png", "gif", "jpeg"); JFileChooser fileChooser = new JFileChooser(); fileChooser.
public final class FileNameExtensionFilter extends FileFilter. An implementation of FileFilter that filters using a specified set of extensions. The extension for a file is the portion of the file name after the last ".". Files whose name does not contain a "." have no file name extension.
Take a look at JFileChooser#setAcceptAllFileFilterUsed
Determines whether the AcceptAll FileFilter is used as an available choice in the choosable filter list. If false, the AcceptAll file filter is removed from the list of available file filters. If true, the AcceptAll file filter will become the the actively used file filter.
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