/*
 * Created on 6.2.2006
 *
 */
package cz.muni.fi.pb138.demo.transform;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Templates;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.SAXException;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;
import java.util.HashMap;
import java.util.Map;

public class TransfParameterDemo {

    public static void transformFileToFile(File srcFile, File styleFile,
            File destFile, Map<String, Object> parameters) throws TransformerException {

        TransformerFactory tf = TransformerFactory.newInstance();

        Source styleSource = new StreamSource(styleFile);

        Transformer transformer = tf.newTransformer(styleSource);

        Source source = new StreamSource(srcFile);

        Result result = new StreamResult(destFile);
        
        for(String pn: parameters.keySet()) {

        	transformer.setParameter(pn, parameters.get(pn));
        }

        
        transformer.transform(source, result);
    }
    
    public static Templates precompileStyle(File styleFile) throws TransformerConfigurationException {
        
        TransformerFactory tf = TransformerFactory.newInstance();
        
        Source styleSource = new StreamSource(styleFile);
        
        return tf.newTemplates(styleSource);
    }

    public static void transformFileToFileStylePrecompiled(File srcFile, Templates style,
            File destFile) throws TransformerException {

        Transformer transformer = style.newTransformer();

        Source source = new StreamSource(srcFile);

        Result result = new StreamResult(destFile);

        transformer.transform(source, result);
    }

    /**
     * @param args
     * @throws TransformerException 
     * @throws FileNotFoundException 
     */
    public static void main(String[] args) throws TransformerException,
            FileNotFoundException {
    	
    	Map<String, Object> parameters = new HashMap<String, Object>();
    	
    	parameters.put("param1", "value1");
    	
    	transformFileToFile(new File("src.xml"), new File("style1.xsl"), new File("dest.html"), parameters);
    }

}