/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.openjena.atlas.lib;
import org.openjena.atlas.AtlasException ;
import org.slf4j.Logger ;
import org.slf4j.LoggerFactory ;
public class SystemUtils
{
private static Logger log = LoggerFactory.getLogger(SystemUtils.class.getName());
// Unfortunately, this tends to cause confusing logging.
private static boolean logging = false ;
static public ClassLoader chooseClassLoader()
{
ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); ;
if ( logging && classLoader != null )
log.trace("Using thread classloader") ;
// if (classLoader == null)
// {
// classLoader = this.getClass().getClassLoader();
// if ( classLoader != null )
// logger.trace("Using 'this' classloader") ;
// }
if ( classLoader == null )
{
classLoader = ClassLoader.getSystemClassLoader() ;
if ( logging && classLoader != null )
log.trace("Using system classloader") ;
}
if ( classLoader == null )
throw new AtlasException("Failed to find a classloader") ;
return classLoader ;
}
}