Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.awt.Window;
import java.io.File;
import java.io.IOException;
import javax.swing.JFileChooser;

import javax.swing.filechooser.FileFilter;

public class Main {
    public static String browseForFile(Window owner, String file, int selectionMode, String title) {
        return browseForFile(owner, file, selectionMode, title, null);
    }

    public static String browseForFile(Window owner, String file, int selectionMode, String title,
            FileFilter filter) {
        final String curDir = System.getProperty("user.dir");
        JFileChooser chooser = new JFileChooser(curDir);
        chooser.setDialogType(JFileChooser.OPEN_DIALOG);
        chooser.setFileSelectionMode(selectionMode);
        chooser.setApproveButtonText("Select");
        chooser.setApproveButtonMnemonic('s');
        chooser.setDialogTitle(title);
        if (filter != null)
            chooser.setFileFilter(filter);

        if (file != null && !file.isEmpty()) {
            File curFile = new File(file);

            chooser.setCurrentDirectory(curFile.getAbsoluteFile().getParentFile());

            if (curFile.isDirectory()) {
                try {
                    chooser.setSelectedFile(curFile.getCanonicalFile());
                } catch (IOException ex) {
                }
            } else {
                chooser.setSelectedFile(curFile);
            }
        }

        if (chooser.showOpenDialog(owner) == JFileChooser.APPROVE_OPTION) {
            String path = chooser.getSelectedFile().getPath();
            try {
                path = new File(path).getCanonicalPath();
            } catch (IOException e) {
            }
            // make path relative if possible
            if (path.startsWith(curDir)) {
                path = "." + path.substring(curDir.length());
            }

            return path;
        }
        return null;
    }
}