kdbfilter.java

来自「KeePass for J2ME is a J2ME port of KeePa」· Java 代码 · 共 48 行

package org.phoneid.keepassinstaller;

import java.io.File;
import javax.swing.*;
import javax.swing.filechooser.*;

/* KDBFilter.java is used by FileChooserDemo2.java. */
public class KDBFilter extends FileFilter {

    //Accept all directories and all gif, jpg, tiff, or png files.
    public boolean accept(File f) {
        if (f.isDirectory()) {
            return true;
        }

        String extension = getExtension(f);
        if (extension != null) {
            if (extension.equals("kdb")) {
                    return true;
            } else {
                return false;
            }
        }

        return false;
    }

    //The description of this filter
    public String getDescription() {
        return "KeePass Key Database (*.kdb)";
    }

    /*
     * Get the extension of a file.
     */
    private static String getExtension(File f) {
        String ext = null;
        String s = f.getName();
        int i = s.lastIndexOf('.');

        if (i > 0 &&  i < s.length() - 1) {
            ext = s.substring(i+1).toLowerCase();
        }
        return ext;
    }

}