Main.java

/*
 * Milyn - Copyright (C) 2006 - 2010
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License (version 2.1) as published by the Free Software
 * Foundation.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * See the GNU Lesser General Public License for more details:
 * http://www.gnu.org/licenses/lgpl.txt
 */

package example;

import org.milyn.Smooks;
import org.milyn.SmooksException;
import org.milyn.event.report.HtmlReportGenerator;
import org.milyn.io.StreamUtils;
import org.milyn.container.ExecutionContext;
import org.xml.sax.SAXException;

import javax.xml.transform.stream.StreamSource;
import javax.xml.transform.stream.StreamResult;
import java.io.*;

/**
 * Simple example main class.
 * @author <a href="mailto:tom.fennelly@gmail.com">tom.fennelly@gmail.com</a>
 */
public class Main {

    private static byte[] messageIn = readInputMessage();

    protected static String runSmooksTransform() throws IOException, SAXException, SmooksException {

        Smooks smooks = new Smooks("smooks-config.xml");

        try {
            ExecutionContext executionContext = smooks.createExecutionContext();
            StringWriter writer = new StringWriter();

            // Configure the execution context to generate a report...
            executionContext.setEventListener(new HtmlReportGenerator("target/report/report.html"));

            smooks.filterSource(executionContext, new StreamSource(new InputStreamReader(new ByteArrayInputStream(messageIn), "UTF-8")), new StreamResult(writer));

            return writer.toString();
        } finally {
            smooks.close();
        }
    }

    public static void main(String[] args) throws IOException, SAXException, SmooksException {
        System.out.println("\n\n==============Message In==============");
        System.out.println(new String(messageIn));
        System.out.println("======================================\n");

        String messageOut = Main.runSmooksTransform();

        System.out.println("==============Message Out=============");
        System.out.println(messageOut);
        System.out.println("======================================\n\n");
    }

    private static byte[] readInputMessage() {
        try {
            return StreamUtils.readStream(new FileInputStream("input.log"));
        } catch (IOException e) {
            e.printStackTrace();
            return "<no-message/>".getBytes();
        }
    }
}