/**
 * This file Copyright (c) 2008-2012 Magnolia International
 * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
 *
 *
 * This file is dual-licensed under both the Magnolia
 * Network Agreement and the GNU General Public License.
 * You may elect to use one or the other of these licenses.
 *
 * This file is distributed in the hope that it will be
 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
 * Redistribution, except as permitted by whichever of the GPL
 * or MNA you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or
 * modify this file under the terms of the GNU General
 * Public License, Version 3, as published by the Free Software
 * Foundation.  You should have received a copy of the GNU
 * General Public License, Version 3 along with this program;
 * if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 2. For the Magnolia Network Agreement (MNA), this file
 * and the accompanying materials are made available under the
 * terms of the MNA which accompanies this distribution, and
 * is available at http://www.magnolia-cms.com/mna.html
 *
 * Any modifications to this file must keep this entire header
 * intact.
 *
 */
package info.magnolia.commands.impl;

import java.util.Date;

import info.magnolia.commands.MgnlCommand;
import info.magnolia.context.Context;

import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Command outputting the value of "message" property into current log file. Used to monitor execution of workflow or other sorts of command chains.
 */
public class LogCommand extends MgnlCommand {

    private String msg;

    private String log = LogCommand.class.getName();

    @Override
    public boolean execute(Context ctx) throws Exception {
        getLogger().info(getMsg());
        return true;
    }

    public String getMsg() {
        if(StringUtils.isEmpty(msg)){
            return new Date().toString();
        }
        return this.msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public String getLog() {
        return this.log;
    }

    public void setLog(String log) {
        this.log = log;
    }

    protected Logger getLogger() {
        return LoggerFactory.getLogger(getLog());
    }

    @Override
    public void release() {
        super.release();
        log = LogCommand.class.getName();
        msg = null;
    }
}