Main.java Source code

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Here is the source code for Main.java

Source

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

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

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;

import org.w3c.dom.Document;

public class Main {
    /**
     * Document builder factory
     */
    private static DocumentBuilderFactory factory = null;
    private static TransformerFactory transFactory = null;

    /**
     * @param xml
     * @return pretty xml
     */
    public static String prettyXml(String xml) {
        Transformer serializer;
        try {
            Source source = new StreamSource(new StringReader(xml));
            StringWriter writer = new StringWriter();

            serializer = transFactory.newTransformer();
            // Setup indenting to "pretty print"
            serializer.setOutputProperty(OutputKeys.INDENT, "yes");
            serializer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");

            serializer.transform(source, new StreamResult(writer));
            return writer.toString();
        } catch (Exception e) {
            return xml;
        }
    }

    public static Document transform(Document dom, Document xslt) {
        try {
            DOMSource xsltSource = new DOMSource(xslt);
            Transformer transformer = transFactory.newTransformer(xsltSource);
            DOMSource source = new DOMSource(dom);
            Document out = newDocument();
            DOMResult result = new DOMResult(out);
            transformer.transform(source, result);
            return out;
        } catch (Exception e) {
            throw new RuntimeException("Could not write dom tree '" + dom.getBaseURI() + "'!", e);
        }
    }

    /**
     * Creates a new Document using the default XML implementation
     * 
     * @return DOM
     */
    public static Document newDocument() {
        try {
            return factory.newDocumentBuilder().newDocument();
        } catch (ParserConfigurationException e) {
            throw new RuntimeException(e.getMessage(), e);
        }
    }
}