Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

import org.w3c.dom.Document;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.*;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.dom.DOMSource;

import javax.xml.transform.stream.StreamSource;

import java.io.File;

import java.util.Hashtable;

import java.util.Map;

public class Main {
    /**
     * Applies a stylesheet to a given xml document.
     *
     * @param xmlDocument  the xml document to be transformed
     * @param xsltFilename the filename of the stylesheet
     * @return the transformed xml document
     * @throws Exception
     */
    public static Document transformDocument(Document xmlDocument, String xsltFilename)
            throws TransformerException, ParserConfigurationException {
        return transformDocument(xmlDocument, new Hashtable<String, String>(), xsltFilename);
    }

    /**
     * Applies a stylesheet (that receives parameters) to a given xml document.
     *
     * @param xmlDocument  the xml document to be transformed
     * @param parameters   the hashtable with the parameters to be passed to the
     *                     stylesheet
     * @param xsltFilename the filename of the stylesheet
     * @return the transformed xml document
     * @throws Exception
     */
    public static Document transformDocument(Document xmlDocument, Map<String, String> parameters,
            String xsltFilename) throws TransformerException, ParserConfigurationException {

        File xslFile = new File(xsltFilename);
        if (xslFile.exists()) {

            // Generate a Transformer.
            Transformer transformer = TransformerFactory.newInstance()
                    .newTransformer(new StreamSource(xsltFilename));

            if (transformer != null) {

                // set transformation parameters
                if (parameters != null) {
                    for (Map.Entry<String, String> param : parameters.entrySet()) {
                        transformer.setParameter(param.getKey(), param.getValue());
                    }
                }

                // Create an empty DOMResult object for the output.
                DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance();
                dFactory.setNamespaceAware(true);
                DocumentBuilder dBuilder = dFactory.newDocumentBuilder();
                Document dstDocument = dBuilder.newDocument();

                DOMResult domResult = new DOMResult(dstDocument);

                // Perform the transformation.
                transformer.transform(new DOMSource(xmlDocument), domResult);
                // Now you can get the output Node from the DOMResult.
                return dstDocument;
            }
        }
        return null;
    }
}