Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
import java.io.StringReader;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Node;
import org.w3c.dom.bootstrap.DOMImplementationRegistry;
import org.w3c.dom.ls.DOMImplementationLS;
import org.w3c.dom.ls.LSSerializer;
import org.xml.sax.InputSource;

public class Main {
    public static String formatXml(String xml) {

        try {
            final InputSource src = new InputSource(new StringReader(xml));
            final Node document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(src)
                    .getDocumentElement();
            final Boolean keepDeclaration = Boolean.valueOf(xml.startsWith("<?xml"));

            //May need this: System.setProperty(DOMImplementationRegistry.
            //PROPERTY,"com.sun.org.apache.xerces.internal.dom.DOMImplementationSourceImpl");

            final DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
            final DOMImplementationLS impl = (DOMImplementationLS) registry.getDOMImplementation("LS");
            final LSSerializer writer = impl.createLSSerializer();

            // Set this to true if the output needs to be beautified.
            writer.getDomConfig().setParameter("format-pretty-print", Boolean.TRUE);

            // Set this to true if the declaration is needed to be outputted.
            writer.getDomConfig().setParameter("xml-declaration", keepDeclaration);

            return writer.writeToString(document);
        } catch (Exception e) {

            System.err.println("Exception thrown");
            throw new RuntimeException(e);
        }
    }
}