/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source 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.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.log;
import java.io.IOException;
import java.util.logging.Filter;
import java.util.logging.Formatter;
import java.util.logging.Handler;
import java.util.logging.LogRecord;
import javax.annotation.PostConstruct;
import com.caucho.config.ConfigException;
import com.caucho.config.Configurable;
import com.caucho.config.types.Bytes;
import com.caucho.config.types.Period;
import com.caucho.vfs.Path;
import com.caucho.vfs.Vfs;
import com.caucho.vfs.WriteStream;
/**
* Configures a log handler
*/
@Configurable
public class PathHandler extends Handler {
private RotateLog _pathLog = new RotateLog();
private Formatter _formatter;
private String _timestamp;
private Filter _filter;
private WriteStream _os;
public PathHandler()
{
_timestamp = "[%Y/%m/%d %H:%M:%S.%s] ";
}
/**
* Convenience method to create a path. Calls init() automatically.
*/
public PathHandler(Path path)
{
this();
setPath(path);
init();
}
/**
* Convenience method to create a path. Calls init() automatically.
*/
public PathHandler(String path)
{
this(Vfs.lookup(path));
}
/**
* Sets the path
*/
public void setPath(Path path)
{
_pathLog.setPath(path);
}
/**
* Sets the path-format
*/
public void setPathFormat(String pathFormat)
{
_pathLog.setPathFormat(pathFormat);
}
/**
* Sets the archive-format
*/
public void setArchiveFormat(String archiveFormat)
{
_pathLog.setArchiveFormat(archiveFormat);
}
/**
* Sets the rollover-period
*/
public void setRolloverPeriod(Period rolloverPeriod)
{
_pathLog.setRolloverPeriod(rolloverPeriod);
}
/**
* Sets the rollover-size
*/
public void setRolloverSize(Bytes size)
{
_pathLog.setRolloverSize(size);
}
/**
* Sets the rollover-count
*/
public void setRolloverCount(int count)
{
_pathLog.setRolloverCount(count);
}
/**
* Sets the timestamp.
*/
public void setTimestamp(String timestamp)
{
_timestamp = timestamp;
}
/**
* Sets the formatter.
*/
@Override
public void setFormatter(Formatter formatter)
{
_formatter = formatter;
}
/**
* Sets the filter.
*/
@Override
public void setFilter(Filter filter)
{
_filter = filter;
}
/**
* Initialize the log.
*/
@PostConstruct
public void init()
throws ConfigException
{
try {
_pathLog.init();
WriteStream os = _pathLog.getRotateStream().getStream();
if (_timestamp != null) {
TimestampFilter filter = new TimestampFilter();
filter.setTimestamp(_timestamp);
filter.setStream(os);
os = new WriteStream(filter);
}
String encoding = System.getProperty("file.encoding");
if (encoding != null)
os.setEncoding(encoding);
os.setDisableClose(true);
_os = os;
} catch (IOException e) {
throw ConfigException.create(e);
}
}
/**
* Publishes the record.
*/
@Override
public void publish(LogRecord record)
{
if (! isLoggable(record))
return;
if (_filter != null && ! _filter.isLoggable(record))
return;
try {
if (record == null) {
synchronized (_os) {
_os.println("no record");
_os.flush();
}
return;
}
if (_formatter != null) {
String value = _formatter.format(record);
synchronized (_os) {
_os.println(value);
_os.flush();
}
return;
}
String message = record.getMessage();
Throwable thrown = record.getThrown();
synchronized (_os) {
/*
if (_timestamp != null) {
_os.print(_timestamp);
}
*/
if (thrown != null) {
if (message != null
&& ! message.equals(thrown.toString())
&& ! message.equals(thrown.getMessage())) {
_os.println(message);
}
record.getThrown().printStackTrace(_os.getPrintWriter());
}
else {
_os.println(record.getMessage());
}
_os.flush();
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Flushes the buffer.
*/
@Override
public void flush()
{
}
/**
* Closes the handler.
*/
@Override
public void close()
{
}
/**
* Returns the hash code.
*/
@Override
public int hashCode()
{
if (_os == null || _os.getPath() == null)
return super.hashCode();
else
return _os.getPath().hashCode();
}
/**
* Test for equality.
*/
@Override
public boolean equals(Object o)
{
if (this == o)
return true;
else if (getClass() != o.getClass())
return false;
PathHandler handler = (PathHandler) o;
if (_os == null || handler._os == null)
return false;
else
return _os.getPath().equals(handler._os.getPath());
}
@Override
public String toString()
{
if (_os == null)
return getClass().getSimpleName() + "[" + _pathLog + "]";
else
return getClass().getSimpleName() + "[" + _os.getPath() + "]";
}
}