shortcuts.java

/*

* Copyright (C) 2014 Arpit Khurana <arpitkh96@gmail.com>, Vishal Nehra <vishalmeham2@gmail.com>

*

* This file is part of Amaze File Manager.

*

* Amaze File Manager 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 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 Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <http://www.gnu.org/licenses/>.

*/


package com.amaze.filemanager.utils;


import android.app.Activity;

import android.content.Context;

import android.os.Environment;

import android.widget.Toast;


import org.w3c.dom.Document;

import org.w3c.dom.Element;

import org.w3c.dom.Node;

import org.w3c.dom.NodeList;

import org.xml.sax.SAXException;


import java.io.File;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.util.ArrayList;


import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.ParserConfigurationException;

import javax.xml.transform.Transformer;

import javax.xml.transform.TransformerException;

import javax.xml.transform.TransformerFactory;

import javax.xml.transform.dom.DOMSource;

import javax.xml.transform.stream.StreamResult;



public class Shortcuts {
Context context;
    public Shortcuts(Context context) {
this.context=context;
    }


    public void makeS() throws ParserConfigurationException, TransformerException {

        String sd = Environment.getExternalStorageDirectory() + "/";

        String[] a = new String[]{sd + Environment.DIRECTORY_DCIM, sd + Environment.DIRECTORY_DOWNLOADS, sd + Environment.DIRECTORY_MOVIES, sd + Environment.DIRECTORY_MUSIC, sd + Environment.DIRECTORY_PICTURES};

        File g = new File(context.getFilesDir()+"/shortcut.xml");

        if (!g.exists()) {

            DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();

            DocumentBuilder docBuilder = docFactory.newDocumentBuilder();


// root elements

            Document doc = docBuilder.newDocument();

            Element rootElement = doc.createElement("shortcut");

            doc.appendChild(rootElement);

            for (int i = 0; i < a.length; i++) {

                Element staff = doc.createElement("path");

                staff.appendChild(doc.createTextNode(a[i]));

                rootElement.appendChild(staff);

            }

            TransformerFactory transformerFactory = TransformerFactory.newInstance();

            Transformer transformer = transformerFactory.newTransformer();

            DOMSource source = new DOMSource(doc);

            StreamResult result = new StreamResult(g);

            transformer.transform(source, result);

        }

    }


    public void addS(File f) throws Exception {

        File g = new File( context.getFilesDir()+"/shortcut.xml" );

        DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();

        DocumentBuilder docBuilder = docFactory.newDocumentBuilder();


// root elements

        Document doc = docBuilder.parse(g);

        NodeList nList = doc.getElementsByTagName("shortcut");

        Node nNode = nList.item(0);

        Element eElement = (Element) nNode;



// f elements

        Element staff = doc.createElement("path");

        staff.appendChild(doc.createTextNode(f.getPath()));

        eElement.appendChild(staff);



        TransformerFactory transformerFactory = TransformerFactory.newInstance();

        Transformer transformer = transformerFactory.newTransformer();

        DOMSource source = new DOMSource(doc);

        StreamResult result = new StreamResult(new File( context.getFilesDir()+"/shortcut.xml" ));

        transformer.transform(source, result);


    }


    public ArrayList<File> readS() throws FileNotFoundException, IOException, SAXException, ParserConfigurationException {

        ArrayList<File> f = new ArrayList<File>();

        File g = new File( context.getFilesDir()+"/shortcut.xml" );

        DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();

        DocumentBuilder docBuilder = docFactory.newDocumentBuilder();


// root elements

        Document doc = docBuilder.parse(g);

        NodeList nList = doc.getElementsByTagName("path");

        for (int temp = 0; temp < nList.getLength(); temp++) {

            Node nNode = nList.item(temp);

            if (nNode.getNodeType() == Node.ELEMENT_NODE) {


                f.add(new File(nNode.getTextContent()));

            }

        }

        return f;

    }


    public boolean isShortcut(File f) throws IOException, ParserConfigurationException, SAXException {

        boolean b = false;

        ArrayList<File> x = readS();

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

            if (x.get(i) == f) {

                b = true;

            } else {

                b = false;

            }

        }

        return b;

    }


    public void removeS(File f1, Activity s) throws IOException, SAXException, ParserConfigurationException, TransformerException {

        //  ArrayList<File> f=new ArrayList<File>();

        File g = new File( context.getFilesDir()+"/shortcut.xml" );

        DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();

        DocumentBuilder docBuilder = docFactory.newDocumentBuilder();


// root elements

        Document doc = docBuilder.parse(g);

        NodeList List = doc.getElementsByTagName("shortcut");

        Node n = List.item(0);


        NodeList nList = n.getChildNodes();


        for (int temp = 0; temp < nList.getLength(); temp++) {

            Node nNode = nList.item(temp);


            if (nNode.getTextContent().equals(f1.getPath())) {

                //Element e=(Element)nNode;

                n.removeChild(nNode);


            }

        }

        TransformerFactory transformerFactory = TransformerFactory.newInstance();

        Transformer transformer = transformerFactory.newTransformer();

        DOMSource source = new DOMSource(doc);

        StreamResult result = new StreamResult(new File( context.getFilesDir()+"/shortcut.xml" ));

        transformer.transform(source, result);

        Toast.makeText(s, "Successful", Toast.LENGTH_LONG).show();

    }

}