Copyright 2008-2012 The Apache Software Foundation
This product includes software developed at
The Apache Software Foundation (http://www.apache.org/).
The implementation for org.apache.shiro.util.SoftHashMap is based
on initial ideas from Dr. Heinz Kabutz's publicly posted version
available at http://www.javaspecialists.eu/archive/Issue015.html,
with continued modifications.
Certain parts (StringUtils etc.) of the source code for this
product was copied for simplicity and to reduce dependencies
from the source code developed by the Spring Framework Project