/*************************************************************************
 *                                                                       *
 *  SignServer: The OpenSource Automated Signing Server                  *
 *                                                                       *
 *  This software is free software; you can redistribute it and/or       *
 *  modify it under the terms of the GNU Lesser General Public           *
 *  License as published by the Free Software Foundation; either         *
 *  version 2.1 of the License, or any later version.                    *
 *                                                                       *
 *  See terms of license at gnu.org.                                     *
 *                                                                       *
 *************************************************************************/
package org.signserver.server.timedservices;

import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

import javax.persistence.EntityManager;

import org.apache.log4j.Logger;
import org.signserver.common.WorkerConfig;
import org.signserver.server.ServiceExecutionFailedException;
import org.signserver.server.WorkerContext;

/**
 * Dummy Service that is used for testing and demonstration purposes.
 * Only output to the log that it have been called
 *
 * @author Philip Vendil 2007 jan 23
 * @version $Id: DummyTimedService.java 3452 2013-04-20 21:32:59Z netmackan $
 */
public class DummyTimedService extends BaseTimedService {

    /** Logger for this class. */
    private static final Logger LOG = Logger.getLogger(DummyTimedService.class);
    
    String outPath;

    @Override
    public void init(int workerId, WorkerConfig config, 
        WorkerContext workerContext, EntityManager workerEntityManager) {
        super.init(workerId, config, workerContext, workerEntityManager);

        outPath = config.getProperties().getProperty("OUTPATH");

        LOG.info("Initializing DummyTimedService, output path : " + outPath);
    }

    /**
     * Example of super simple service.
     * 
     * @see org.signserver.server.timedservices.ITimedService#work()
     */
    @Override
    public void work() throws ServiceExecutionFailedException {

        int currentCount = 0;

        try {
            FileInputStream fis = new FileInputStream(outPath);
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            int next = 0;
            while ((next = fis.read()) != -1) {
                baos.write(next);
            }
            fis.close();
            currentCount = Integer.parseInt(new String(baos.toByteArray()));
        } catch (FileNotFoundException e) {
        } catch (IOException e) {
            throw new ServiceExecutionFailedException(e.getClass().getName() + " : " + e.getMessage());
        }
        currentCount++;
        try {
            FileOutputStream fos = new FileOutputStream(outPath);
            fos.write(("" + currentCount).getBytes());
            fos.close();
        } catch (IOException e) {
            throw new ServiceExecutionFailedException(e.getClass().getName() + " : " + e.getMessage());
        }

        LOG.info("DummyTimedService.work() called. current count : " + currentCount);
    }
}