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 * CruiseControl, a Continuous Integration Toolkit
 * Copyright (c) 2001, ThoughtWorks, Inc.
 * 200 E. Randolph, 25th Floor
 * Chicago, IL 60601 USA
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
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 *       notice, this list of conditions and the following disclaimer.
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 *     + Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
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 *       with the distribution.
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 *       names of its contributors may be used to endorse or promote
 *       products derived from this software without specific prior
 *       written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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package net.sourceforge.cruisecontrol.listeners;

import net.sourceforge.cruisecontrol.CruiseControlException;
import net.sourceforge.cruisecontrol.Listener;
import net.sourceforge.cruisecontrol.ProjectEvent;
import net.sourceforge.cruisecontrol.ProjectState;
import net.sourceforge.cruisecontrol.util.ValidationHelper;
import net.sourceforge.cruisecontrol.util.CurrentBuildFileWriter;
import net.sourceforge.cruisecontrol.util.AbstractFTPClass;
import net.sourceforge.cruisecontrol.util.Util;
import org.apache.log4j.Logger;

import java.util.Date;
import java.io.IOException;
import java.io.File;

/**
 * Does the same thing as CurrentBuildStatusListener, but also sends it to an FTP server.
 *
 * <p>{@link net.sourceforge.cruisecontrol.util.DateUtil#formatIso8601(Date)} for the dateformat
 *
 * @see net.sourceforge.cruisecontrol.util.DateUtil#formatIso8601(Date)
 * @author jerome@coffeebreaks.org
 */
public class CurrentBuildStatusFTPListener extends AbstractFTPClass implements Listener {

    private static final long serialVersionUID = 516572359323207132L;

    private static final Logger LOG = Logger.getLogger(CurrentBuildStatusListener.class);
    private String fileName;
    private String destdir;

    public void handleEvent(ProjectEvent event) throws CruiseControlException {
        if (event instanceof ProjectStateChangedEvent) {
            final ProjectStateChangedEvent stateChanged = (ProjectStateChangedEvent) event;
            final ProjectState newState = stateChanged.getNewState();
            LOG.debug("updating status to " + newState.getName()  + " for project " + stateChanged.getProjectName());
            final String text = newState.getDescription() + " since\n";
            CurrentBuildFileWriter.writefile(text, new Date(), fileName);

            String out;
            try {
                out = Util.readFileToString(fileName);
            } catch (IOException ioe) {
                throw new CruiseControlException(ioe.getMessage());
            }
            String fname = destdir + File.separator + fileName;

            sendFileToFTPPath(out, fname);
        } else {
            // ignore other ProjectEvents
            LOG.debug("ignoring event " + event.getClass().getName() + " for project " + event.getProjectName());
        }
    }

    public void validate() throws CruiseControlException {
        ValidationHelper.assertIsSet(fileName, "file", this.getClass());
        CurrentBuildFileWriter.validate(fileName);
        ValidationHelper.assertIsSet(destdir, "destdir", this.getClass());
        super.validate();
    }

    public void setFile(String fileName) {
        this.fileName = fileName.trim();
        LOG.debug("set fileName = " + fileName);
    }

    public void setDestDir(String dir) {
        this.destdir = dir;
        LOG.debug("set destdir = " + dir);
    }

    public String getFileName() {
        return fileName;
    }

}