Here you can find the source of getFile(FileFilter filter)
public static File getFile(FileFilter filter)
//package com.java2s; /*//from w w w . ja va2 s. c o m * #%L * The AIBench Workbench Plugin * %% * Copyright (C) 2006 - 2016 Daniel Glez-Pe?a and Florentino Fdez-Riverola * %% * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Lesser Public License for more details. * * You should have received a copy of the GNU General Lesser Public * License along with this program. If not, see * <http://www.gnu.org/licenses/lgpl-3.0.html>. * #L% */ import java.io.File; import javax.swing.JFileChooser; import javax.swing.filechooser.FileFilter; public class Main { public static File getFile(FileFilter filter) { JFileChooser chooser = new JFileChooser( System.getProperty("user.dir")); chooser.setFileFilter(filter); int returnVal = chooser.showOpenDialog(null); if (returnVal == JFileChooser.APPROVE_OPTION) { return chooser.getSelectedFile(); } return null; } }