// ========================================================================
// 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 com.sun.org.apache.commons.logging;
import com.sun.org.apache.commons.logging.impl.StdErrLog;
import java.lang.reflect.Constructor;
import java.net.URLClassLoader;
import java.util.HashMap;
import java.util.Map;
/**
* LogFactory
*
* Bridges com.sun.org.apache.commons.logging.LogFactory to
* Jetty's log.
*
*/
public class LogFactory
{
private static Map _logs = new HashMap();
private static String _clazzName = "com.sun.org.apache.commons.logging.impl.StdErrLog";
private static Class _clazz = StdErrLog.class;
private static Constructor _ctor;
static
{
try
{
_ctor = _clazz.getDeclaredConstructor(new Class[]{String.class});
}
catch (Exception e)
{
e.printStackTrace();
}
}
public static void setLogImplClassName (String className)
{
if (className==null || className.trim().equals(""))
{
System.err.println("Ignoring null log impl");
return;
}
try
{
_clazzName=className;
_clazz = Thread.currentThread().getContextClassLoader().loadClass(_clazzName);
_ctor = _clazz.getDeclaredConstructor(new Class[]{String.class});
}
catch (ClassNotFoundException e)
{
System.err.println("Log impl "+_clazzName+" not found on classpath, falling back to StdErrLog logger");
}
catch (NoSuchMethodException e)
{
System.err.println("No default constructor for "+className+", falling back to StdErrLog logger");
_clazz = StdErrLog.class;
}
}
public static Log getLog (Class c)
{
Log log = (Log)_logs.get(c.getName());
if (log == null)
{
log = newLog(c.getName());
_logs.put(c.getName(), log);
}
return log;
}
public static Log getLog (String str)
{
Log log = (Log)_logs.get(str);
if (log == null)
{
log = newLog(str);
_logs.put(str, log);
}
return log;
}
public static void release (URLClassLoader cl)
{
releaseAll ();
}
public static void releaseAll ()
{
_logs.clear();
}
private static Log newLog (String name)
{
Log log = null;
try
{
log = (Log)_ctor.newInstance(new Object[]{name});
}
catch (Exception e)
{
System.err.println(e.getMessage()+", falling back to StdErrLog");
log = new StdErrLog(name);
}
return log;
}
}