/**
* Copyright (C) 2002-2012 The FreeCol Team
*
* This file is part of FreeCol.
*
* FreeCol is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* FreeCol 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 FreeCol. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.freecol.common.logging;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import net.sf.freecol.FreeCol;
import net.sf.freecol.common.FreeColException;
//import net.sf.freecol.common.networking.DOMMessage;
/**
* The default handler for FreeCol's log records. It currently only
* logs to a file in the format offered by TextFormatter.
*/
public final class DefaultHandler extends Handler {
private FileWriter fileWriter;
private final boolean consoleLogging;
/**
* The constructor to use.
*
* @param consoleLogging The flag to log to the console as well.
* @throws FreeColException In case the log file could not be
* created/written to.
*/
public DefaultHandler(boolean consoleLogging, String fileName) throws FreeColException {
this.consoleLogging = consoleLogging;
File file = new File(fileName);
if (file.exists()) {
if (file.isDirectory()) {
throw new FreeColException("Log file \"" + fileName + "\" could not be created.");
} else if (file.isFile()) {
file.delete();
}
}
try {
file.createNewFile();
} catch (IOException e) {
throw new FreeColException("Log file \"" + fileName + "\" could not be created: " + e.getMessage());
}
if (!file.canWrite()) {
throw new FreeColException("Can not write in log file \"" + fileName + "\".");
}
try {
fileWriter = new FileWriter(file);
} catch (IOException e) {
throw new FreeColException("Can not write in log file \"" + fileName + "\".");
}
// We should use XMLFormatter here in the future
// or maybe a self-made HTMLFormatter.
setFormatter(new TextFormatter());
try {
String str = "FreeCol game version: " + FreeCol.getRevision() + "\n" + "FreeCol protocol version: "
// + DOMMessage.getFreeColProtocolVersion() + "\n\n" +
+ "Java vendor: "
+ System.getProperty("java.vendor") + "\n" + "Java version: " + System.getProperty("java.version")
+ "\n" + "Java WM name: " + System.getProperty("java.vm.name") + "\n" + "Java WM vendor: "
+ System.getProperty("java.vm.vendor") + "\n" + "Java WM version: "
+ System.getProperty("java.vm.version") + "\n\n" + "OS name: " + System.getProperty("os.name")
+ "\n" + "OS architecture: " + System.getProperty("os.arch") + "\n" + "OS version: "
+ System.getProperty("os.version") + "\n\n";
fileWriter.write(str, 0, str.length());
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Closes this handler so that it will stop handling log records.
*/
@Override
public void close() {
try {
fileWriter.close();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Flushes the data that this handler has logged.
*/
@Override
public void flush() {
try {
fileWriter.flush();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Publishes the given LogRecord by writing its data to a file using a
* TextFormatter.
*
* @param record The log record to publish.
*/
@Override
public void publish(LogRecord record) {
if (record.getLevel().intValue() < getLevel().intValue()) {
return;
}
if (consoleLogging && record.getLevel().intValue() >= Level.WARNING.intValue()) {
System.out.println("Log: " + record.getMessage());
}
// String str = getFormatter().format(record);
// if (consoleLogging && record.getLevel().intValue() >= Level.WARNING.intValue()) {
// System.err.println(str);
// }
//
// try {
// fileWriter.write(str, 0, str.length());
// } catch (IOException e) {
// System.err.println("Failed to write log record!");
// e.printStackTrace(System.err);
// }
//
// // Because FreeCol is still in a very early stage:
// flush();
}
}