logger.java

Abstract The Lucene Server project is an attempt to extend the Jakarta Lucene tool with server ca

package org.apache.lucene.server;
/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" and
 *    "Apache Lucene" must not be used to endorse or promote products
 *    derived from this software without prior written permission. For
 *    written permission, please contact [e-mail].
 *
 * 5. Products derived from this software may not be called "Apache",
 *    "Apache Lucene", nor may "Apache" appear in their name, without
 *    prior written permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.*;

/**
 * @author rcocula
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
class Logger 
{
	FileOutputStream out = null;
	static int LEVEL_HIGH = 1;
	static int LEVEL_LOW = 0;
	int level = 0;
	/**
	 * 
	 */
	public Logger(String file) throws Exception 
	{
		out = new FileOutputStream(file,false);
	}
	
	public void setLevel(int l)
	{
		level = l;
	}
	
	/**
	 * 
	 * @author rcocula
	 *
	 * TODO To change the template for this generated type comment go to
	 * Window - Preferences - Java - Code Generation - Code and Comments
	 */
	
	public void log (String s)
	{
		try 
		{
			s=s+"\n";
			out.write(s.getBytes());
		} 
		catch (IOException e) 
		{
			System.out.println("Error while logging");
			e.printStackTrace();
		}
	}
	
	public void log (Exception e)
	{
		PrintWriter pw = new PrintWriter(out);
		e.printStackTrace(pw);
		pw.flush();		
	}
	
	public void logHigh(String s)
	{
		if (level == Logger.LEVEL_HIGH)
		{
			log(s);
		}
	}

	public void logHigh(Exception e)
	{
		if (level == Logger.LEVEL_HIGH)
		{
			log(e);
		}
	}
}