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Utility classes for Jetty
// ========================================================================
// Copyright 2004-2005 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========================================================================
package org.mortbay.log;
import org.mortbay.util.DateCache;
/*-----------------------------------------------------------------------*/
/** StdErr Logging.
* This implementation of the Logging facade sends all logs to StdErr with minimal formatting.
*
* If the system property DEBUG is set, then debug logs are printed if stderr is being used.
*
*/
public class StdErrLog implements Logger
{
private static DateCache _dateCache;
private static boolean __debug = System.getProperty("DEBUG",null)!=null;
private String _name;
StringBuffer _buffer = new StringBuffer();
static
{
try
{
_dateCache=new DateCache("yyyy-MM-dd HH:mm:ss");
}
catch(Exception e)
{
e.printStackTrace();
}
}
public StdErrLog()
{
this(null);
}
public StdErrLog(String name)
{
this._name=name==null?"":name;
}
public boolean isDebugEnabled()
{
return __debug;
}
public void setDebugEnabled(boolean enabled)
{
__debug=enabled;
}
public void info(String msg,Object arg0, Object arg1)
{
String d=_dateCache.now();
int ms=_dateCache.lastMs();
synchronized(_buffer)
{
tag(d,ms,":INFO:");
format(msg,arg0,arg1);
System.err.println(_buffer.toString());
}
}
public void debug(String msg,Throwable th)
{
if (__debug)
{
String d=_dateCache.now();
int ms=_dateCache.lastMs();
synchronized(_buffer)
{
tag(d,ms,":DBUG:");
format(msg);
format(th);
System.err.println(_buffer.toString());
}
}
}
public void debug(String msg,Object arg0, Object arg1)
{
if (__debug)
{
String d=_dateCache.now();
int ms=_dateCache.lastMs();
synchronized(_buffer)
{
tag(d,ms,":DBUG:");
format(msg,arg0,arg1);
System.err.println(_buffer.toString());
}
}
}
public void warn(String msg,Object arg0, Object arg1)
{
String d=_dateCache.now();
int ms=_dateCache.lastMs();
synchronized(_buffer)
{
tag(d,ms,":WARN:");
format(msg,arg0,arg1);
System.err.println(_buffer.toString());
}
}
public void warn(String msg, Throwable th)
{
String d=_dateCache.now();
int ms=_dateCache.lastMs();
synchronized(_buffer)
{
tag(d,ms,":WARN:");
format(msg);
format(th);
System.err.println(_buffer.toString());
}
}
private void tag(String d,int ms,String tag)
{
_buffer.setLength(0);
_buffer.append(d);
if (ms>99)
_buffer.append('.');
else if (ms>9)
_buffer.append(".0");
else
_buffer.append(".00");
_buffer.append(ms).append(tag).append(_name).append(':');
}
private void format(String msg, Object arg0, Object arg1)
{
int i0=msg==null?-1:msg.indexOf("{}");
int i1=i0<0?-1:msg.indexOf("{}",i0+2);
if (i0>=0)
{
format(msg.substring(0,i0));
format(String.valueOf(arg0==null?"null":arg0));
if (i1>=0)
{
format(msg.substring(i0+2,i1));
format(String.valueOf(arg1==null?"null":arg1));
format(msg.substring(i1+2));
}
else
{
format(msg.substring(i0+2));
if (arg1!=null)
{
_buffer.append(' ');
format(String.valueOf(arg1));
}
}
}
else
{
format(msg);
if (arg0!=null)
{
_buffer.append(' ');
format(String.valueOf(arg0));
}
if (arg1!=null)
{
_buffer.append(' ');
format(String.valueOf(arg1));
}
}
}
private void format(String msg)
{
if (msg == null)
_buffer.append("null");
else
for (int i=0;i