Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.io.StringWriter;

import org.w3c.dom.DOMConfiguration;
import org.w3c.dom.DOMImplementation;
import org.w3c.dom.Document;
import org.w3c.dom.bootstrap.DOMImplementationRegistry;
import org.w3c.dom.ls.DOMImplementationLS;
import org.w3c.dom.ls.LSOutput;
import org.w3c.dom.ls.LSSerializer;

public class Main {
    public static String prettyPrint(Document document) {
        // Pretty-prints a DOM document to XML using DOM Load and Save's
        // LSSerializer.
        // Note that the "format-pretty-print" DOM configuration parameter can
        // only be set in JDK 1.6+.

        DOMImplementationRegistry domImplementationRegistry;
        try {
            domImplementationRegistry = DOMImplementationRegistry.newInstance();
        } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | ClassCastException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            throw new RuntimeException(e);
        }
        DOMImplementation domImplementation = document.getImplementation();
        if (domImplementation.hasFeature("LS", "3.0") && domImplementation.hasFeature("Core", "2.0")) {
            /*DOMImplementationLS domImplementationLS = (DOMImplementationLS) domImplementation
              .getFeature("LS", "3.0");*/
            DOMImplementationLS domImplementationLS = (DOMImplementationLS) domImplementationRegistry
                    .getDOMImplementation("LS");

            LSSerializer lsSerializer = domImplementationLS.createLSSerializer();
            DOMConfiguration domConfiguration = lsSerializer.getDomConfig();
            if (domConfiguration.canSetParameter("format-pretty-print", Boolean.TRUE)) {
                lsSerializer.getDomConfig().setParameter("format-pretty-print", Boolean.TRUE);
                LSOutput lsOutput = domImplementationLS.createLSOutput();
                lsOutput.setEncoding("UTF-8");
                StringWriter stringWriter = new StringWriter();
                lsOutput.setCharacterStream(stringWriter);
                lsSerializer.write(document, lsOutput);
                return stringWriter.toString();
            } else {
                throw new RuntimeException("DOMConfiguration 'format-pretty-print' parameter isn't settable.");
            }
        } else {
            throw new RuntimeException("DOM 3.0 LS and/or DOM 2.0 Core not supported.");
        }
    }
}