/* 
 *  Copyright (C) 2000 - 2010 TagServlet Ltd
 *
 *  This file is part of Open BlueDragon (OpenBD) CFML Server Engine.
 *  
 *  OpenBD is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  Free Software Foundation,version 3.
 *  
 *  OpenBD 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 General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with OpenBD.  If not, see http://www.gnu.org/licenses/
 *  
 *  Additional permission under GNU GPL version 3 section 7
 *  
 *  If you modify this Program, or any covered work, by linking or combining 
 *  it with any of the JARS listed in the README.txt (or a modified version of 
 *  (that library), containing parts covered by the terms of that JAR, the 
 *  licensors of this Program grant you additional permission to convey the 
 *  resulting work. 
 *  README.txt @ http://www.openbluedragon.org/license/README.txt
 *  
 *  http://www.openbluedragon.org/
 */

package com.naryx.tagfusion.cfm.tag;

import java.io.Serializable;

import com.naryx.tagfusion.cfm.engine.cfSession;
import com.naryx.tagfusion.cfm.engine.cfmBadFileException;
import com.naryx.tagfusion.cfm.engine.cfmRunTimeException;
import com.naryx.tagfusion.util.logDebugger;

/**
 * This tag allows you to get a window into the processing of the main engine
 */

public class cfDEBUGGER extends cfTag implements Serializable {

	static final long serialVersionUID = 1;

	protected void defaultParameters(String _tag) throws cfmBadFileException {
		defaultAttribute("TAGSONLY", "NO");

		parseTagHeader(_tag);

		if (!containsAttribute("LOGFILE"))
			throw missingAttributeException("cfdebugger.missingLogfile", null);
	}

	public cfTagReturnType render(cfSession _Session) throws cfmRunTimeException {
		if (_Session.isDebuggerRegistered())
			return cfTagReturnType.NORMAL;

		String logFile = getDynamic(_Session, "LOGFILE").getString();
		try {
			_Session.registerDebugger(new logDebugger(logFile, getDynamic(_Session, "TAGSONLY").getBoolean()));
		} catch (Exception E) {
			throw newRunTimeException("The logfile, " + logFile + ", could not be created");
		}
		return cfTagReturnType.NORMAL;
	}
}