Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: LGPL 

import java.io.IOException;
import java.io.StringReader;
import java.io.StringWriter;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import org.xml.sax.SAXException;

public class Main {
    public static String formatXML(String unformatted)
            throws SAXException, IOException, TransformerException, ParserConfigurationException {

        if (unformatted == null)
            return null;

        // remove whitespaces between xml tags
        String unformattedNoWhiteSpaces = unformatted.toString().replaceAll(">[\\s]+<", "><");

        // Instantiate transformer input
        Source xmlInput = new StreamSource(new StringReader(unformattedNoWhiteSpaces));
        StreamResult xmlOutput = new StreamResult(new StringWriter());

        // Configure transformer
        Transformer transformer = TransformerFactory.newInstance().newTransformer();
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");

        transformer.transform(xmlInput, xmlOutput);
        String formatted = xmlOutput.getWriter().toString();

        return formatted;
    }
}