Generic File Filter : File Chooser « Swing JFC « Java
- Java
- Swing JFC
- File Chooser
Generic File Filter
import java.io.File;
import javax.swing.filechooser.FileFilter;
public class GenericFileFilter extends FileFilter {
private String[] fileExts;
private String description;
private String extension;
public GenericFileFilter(String[] filesExtsIn, String description) {
fileExts = filesExtsIn;
this.description = description;
}
public boolean accept(File f) {
if (f.isDirectory()) {
return true;
}
extension = getExtension(f);
if (extension != null) {
for (int i = 0; i < fileExts.length; i++) {
if (check(fileExts[i]))
return true;
}
}
return false;
}
private boolean check(String in) {
return extension.equalsIgnoreCase(in);
}
public String getDescription() {
return description;
}
private String getExtension(File file) {
String filename = file.getName();
int length = filename.length();
int i = filename.lastIndexOf('.');
if (i > 0 && i < length - 1)
return filename.substring(i + 1).toLowerCase();
return null;
}
}
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