package com.tandbergtv.spec;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import junit.framework.TestCase;

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

import com.sun.org.apache.xml.internal.serialize.OutputFormat;
import com.sun.org.apache.xml.internal.serialize.XMLSerializer;
import com.tandbergtv.metadatamanager.exception.TranslationException;
import com.tandbergtv.metadatamanager.specimpl.XslTranslator;

public class MSTVTranslatorTest extends TestCase {

	public void testTranslateToTtv() throws IOException, ParserConfigurationException, SAXException {

		XslTranslator xt = new XslTranslator();
		InputStream is = MSTVTranslatorTest.class.getClassLoader().getResourceAsStream("com/tandbergtv/metadatamanager/specimpl/mstv/to/toTTV.xsl");
		xt.setClassLoader(getClass().getClassLoader());
		xt.setXslStream(is);

		File file = new File("tests/com/tandbergtv/spec/sampleInput/mstv-sample.xml");
		DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
		Document input = builder.parse(file);

		Document doc = null;
		try {
			doc = xt.translate(input);
		} catch (TranslationException e) {
			e.printStackTrace();
		}

		StringWriter out = new StringWriter();
		XMLSerializer serializer = new XMLSerializer(out, new OutputFormat(doc, null, true));
		serializer.serialize(doc);
		String result = out.toString();
		System.out.println(result);

		try {
			FileWriter fstream = new FileWriter("tests/com/tandbergtv/spec/sampleInput/translationOutput.xml");
			BufferedWriter buffedOut = new BufferedWriter(fstream);
			buffedOut.write(result);
			buffedOut.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public void testTranslateFromTtv() throws IOException, ParserConfigurationException, SAXException {

		XslTranslator xt = new XslTranslator();
		InputStream is = MSTVTranslatorTest.class.getClassLoader().getResourceAsStream("com/tandbergtv/metadatamanager/specimpl/mstv/from/fromTTV.xsl");
		xt.setClassLoader(getClass().getClassLoader());
		xt.setXslStream(is);

		File file = new File("tests/com/tandbergtv/spec/sampleInput/translationOutput.xml");
		DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
		Document input = builder.parse(file);

		Document doc = null;
		try {
			doc = xt.translate(input);
		} catch (TranslationException e) {
			e.printStackTrace();
		}

		StringWriter out = new StringWriter();
		XMLSerializer serializer = new XMLSerializer(out, new OutputFormat(doc, null, true));
		serializer.serialize(doc);
		String result = out.toString();
		System.out.println(result);
	}
}