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/*******************************************************************************
 * Copyright (c) 2003, 2007 s IT Solutions AT Spardat GmbH .
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     s IT Solutions AT Spardat GmbH - initial API and implementation
 *******************************************************************************/

/*
 * Created on : 25.06.2003
 * Created by : s3595
 */
package at.spardat.xma.boot.logger;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.Properties;

import at.spardat.xma.boot.Statics;

/**
 * LogHandlerDefault
 *
 * @author s3595,(CGS)
 * @version $Id: LogHandlerFile.java 2084 2007-11-27 14:53:31Z s3460 $
 *
 */
public class LogHandlerFile extends LogHandlerBase implements ILogHandler {

    private String lineSeparator;

    private File logfile;

    protected LogHandlerFile() {
        lineSeparator = System.getProperty( "line.separator");
    }

    public void setProperties( Properties in ) {
        super.setProperties(in);

        String strLogDir = (String)props.get( Statics.CFG_PROP_LOGDIRECTORY );
        if(strLogDir==null)
            return;

        File logParrent = new File( strLogDir );
        if(!logParrent.exists()){
            logParrent.mkdirs();
        }

        File logdir = new File( logParrent, "/logs");
        if(!logdir.exists()){
            logdir.mkdirs();
        }

        SimpleDateFormat sdf = new SimpleDateFormat( "ddMMMyyyy", Locale.getDefault() ); //$NON-NLS-1$
        String strDate = sdf.format( new Date( System.currentTimeMillis()) );

        logfile = new File ( logdir, strDate + ".log");
        synchronized(logfile) {
            if(!logfile.exists()) {
                try {
                    if( logfile.createNewFile() ) { }
                } catch (IOException e) {
                    System.err.println("error creating logfile: " + logfile.toString() );
                    logfile = null;
                    return;
                }
            }
            if(logfile.exists()) {
                SimpleDateFormat sdf_file = new SimpleDateFormat( "EEE, dd MMM yyyy hh:mm:ss zzz", Locale.getDefault() );            //$NON-NLS-1$
                String strDateFile = sdf_file.format( new Date(System.currentTimeMillis()) );
                writeToDisk( lineSeparator + "LogHandler: New File-Logger opened: "+ strDateFile + lineSeparator );
            }
        }

    }

    public synchronized void publish(LogRecord record) {

       if( record!=null && logfile!=null && logfile.exists() ){
           writeToDisk(format(record)+ lineSeparator );
       }//if
    }

    public void writeToDisk(String strMessage) {
        FileOutputStream fos = null;
        try {

            fos = new FileOutputStream(logfile.toString(), true);
            fos.write( strMessage.getBytes());

        } catch (FileNotFoundException e) {
            System.err.println("error open logfile: " + e.getMessage());
        } catch (IOException ex) {
            System.err.println("error writing logfile: " + ex.getMessage());
        } finally {
             if(fos!=null)
                 try {
                     fos.close();
                 } catch (IOException e1) {
                     System.err.println("error closing logfile: " + logfile.toString());
                 }
        }

    }


    public void close() {
        System.out.println("log handler close");
    }

    /**
     * Get the full qualified name of the used log file.
     * @since 1.6.0
     */
    public String getLogFileName() {
        return logfile!=null?logfile.getAbsolutePath():null;
    }
}