Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.io.File;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Document;
import org.w3c.dom.Element;

public class Main {
    private static final String STORAGE_LOCATION = System.getProperty("user.home") + File.separator + "history.xml";
    private static final String MESSAGES = "messages";

    public static synchronized void createStorage() throws ParserConfigurationException, TransformerException {
        DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder docBuilder = docFactory.newDocumentBuilder();

        Document doc = docBuilder.newDocument();
        Element rootElement = doc.createElement(MESSAGES);
        doc.appendChild(rootElement);

        Transformer transformer = getTransformer();

        DOMSource source = new DOMSource(doc);
        StreamResult result = new StreamResult(new File(STORAGE_LOCATION));
        transformer.transform(source, result);
    }

    private static Transformer getTransformer() throws TransformerConfigurationException {
        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        Transformer transformer = transformerFactory.newTransformer();
        // Formatting XML properly
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        return transformer;
    }
}