Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.io.StringReader;
import java.io.StringWriter;

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;

public class Main {
    /**
     * Format the provided XML input with a default indentation of <i>2</i>.
     * 
     * @param input
     *            XML input to format.
     * @return Formatted XML.
     * @throws TransformerException
     *             if some problem occur while processing the xml
     * @see #prettyFormat(String, int)
     */
    public static String prettyFormat(String input) throws TransformerException {
        return prettyFormat(input, 2);
    }

    /**
     * Format the provided XML input.
     * 
     * @param input
     *            XML input to format.
     * @param indent
     *            Indentation to use on formatted XML.
     * @return Formatted XML.
     * @throws TransformerException
     *             if some problem occur while processing the xml
     * @see #prettyFormat(String)
     */
    public static String prettyFormat(String input, Integer indent) throws TransformerException {
        if (input != null) {
            Source xmlInput = new StreamSource(new StringReader(input));
            StringWriter stringWriter = new StringWriter();
            StreamResult xmlOutput = new StreamResult(stringWriter);
            TransformerFactory transformerFactory = TransformerFactory.newInstance();

            Transformer transformer = transformerFactory.newTransformer();
            transformer.setOutputProperty(OutputKeys.INDENT, "yes");
            transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount",
                    String.valueOf(indent == null ? 2 : indent));
            transformer.transform(xmlInput, xmlOutput);
            return xmlOutput.getWriter().toString();
        }
        return input;
    }
}