net.sf.jvifm.model.AppStatus.java Source code

Introduction

Here is the source code for net.sf.jvifm.model.AppStatus.java

Source

/*
 * Jvifm - Java vifm (File Manager with vi like key binding)
 *
 * Copyright (C) 2006 wsn <shrek.wang@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 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 Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */
package net.sf.jvifm.model;

import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.util.List;

import net.sf.jvifm.Main;
import net.sf.jvifm.util.HomeLocator;

import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.SAXReader;
import org.dom4j.io.XMLWriter;

public class AppStatus {

    private static String appStatusPath = HomeLocator.getConfigHome() + File.separator + "appStatus.xml";

    @SuppressWarnings("unchecked")
    public static String[][] loadAppStatus() {
        File file = new File(appStatusPath);
        if (!file.exists())
            return null;

        String[][] result = null;
        try {
            FileInputStream is = new FileInputStream(file);
            SAXReader saxReader = new SAXReader();
            InputStreamReader reader = new InputStreamReader(is, "UTF-8");
            BufferedReader br = new BufferedReader(reader);
            Document document = saxReader.read(br);
            List elementList = document.selectNodes("//tab");
            result = new String[elementList.size()][2];

            for (int i = 0; i < elementList.size(); i++) {

                Element tabElement = (Element) elementList.get(i);
                result[i][0] = tabElement.attributeValue("left");
                result[i][1] = tabElement.attributeValue("right");
            }

            reader.close();
            is.close();
        } catch (Exception e) {
            e.printStackTrace();

        }
        return result;

    }

    public static boolean writeAppStatus() {

        try {

            String[][] currentPath = Main.fileManager.getAllCurrentPath();
            Document document = DocumentHelper.createDocument();
            Element root = document.addElement("tabs");

            for (int i = 0; i < currentPath.length; i++) {
                Element tabElement = root.addElement("tab");
                tabElement.addAttribute("left", currentPath[i][0]);
                tabElement.addAttribute("right", currentPath[i][1]);
            }

            FileOutputStream fos = new FileOutputStream(appStatusPath);
            OutputFormat outformat = OutputFormat.createPrettyPrint();
            outformat.setEncoding("UTF-8");
            BufferedOutputStream out = new BufferedOutputStream(fos);
            XMLWriter writer = new XMLWriter(out, outformat);
            writer.write(document);
            writer.flush();
            writer.close();
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
        return true;

    }

}