xmlfilechooser.java

自动生成JAVA-Struts网站的程序

package com.sutternow.swingkar.gui;

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

/**
 * Created by IntelliJ IDEA.
 * User: payne
 * Date: Apr 21, 2003
 * Time: 1:13:13 PM
 * todo: Make this more generics, perhaps, have a method that takes in a collection
 * of file extensions pared with descriptions.
 */
public class XmlFileChooser {

    public static String doChoose(final String description) {
        JFileChooser chooser = new JFileChooser();
        chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
        chooser.setFileFilter(new FileFilter() {
            public String getDescription() {
                return description;
            }

            public boolean accept(File f) {

                if (f.isDirectory()) {
                    return true;
                }

                String ext = getExtension(f);
                if (ext != null) {
                    if (ext.equals("xml"))
                        return true;
                }
                return false;
            }

            public 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;
            }
        });  // end of inner class file filter


        if (chooser.showDialog(null, "Select file") != JFileChooser.APPROVE_OPTION) {
            return null;
        }

        String filename = replaceString(chooser.getSelectedFile().getPath(), "\\", "/");
        //scriptPath.setText(filename);

        return filename;
    }

    //{{{ replaceString() method
    private static String replaceString(String aSearch, String aFind, String aReplace) { /* MP could not get regex replace to work.
so I am including this function for now */
        String result = aSearch;
        if (result != null && result.length() > 0) {
            int a = 0;
            int b = 0;
            while (true) {
                a = result.indexOf(aFind, b);
                if (a != -1) {
                    result = result.substring(0, a) + aReplace + result.substring(a + aFind.length());
                    b = a + aReplace.length();
                } else
                    break;
            }
        }
        return result;
    } //}}}
}