src.openwfe.org.engine.impl.expool.ExpoolUtils Maven / Gradle / Ivy
/*
* Copyright (c) 2005, John Mettraux, OpenWFE.org
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* . Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* . Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* . Neither the name of the "OpenWFE" nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $Id: ExpoolUtils.java 1903 2005-06-25 08:31:44Z jmettraux $
*/
//
// ExpoolUtils.java
//
// [email protected]
//
// generated with
// jtmpl 1.1.01 2004/05/19 ([email protected])
//
package openwfe.org.engine.impl.expool;
import openwfe.org.engine.expressions.FlowExpression;
import openwfe.org.engine.expressions.raw.RawExpression;
/**
* Utility methods for expression pools and stores.
*
* CVS Info :
*
$Author: jmettraux $
*
$Id: ExpoolUtils.java 1903 2005-06-25 08:31:44Z jmettraux $
*
* @author [email protected]
*/
public abstract class ExpoolUtils
{
private final static org.apache.log4j.Logger log = org.apache.log4j.Logger
.getLogger(ExpoolUtils.class.getName());
//
// STATIC METHODS
/**
* This method is used by content iterators when examining an expression
* to determine if it should be returned : is the given expression (or raw
* expression) assignable from the given class ?
*/
public static boolean isAssignableFromClass
(final FlowExpression fe, final Class expClass)
{
//log.debug
// ("isAssignableFromClass() is fe null ? "+(fe == null));
//log.debug
// ("isAssignableFromClass() is expClass null ? "+(expClass == null));
if (expClass == null) return true;
Class c = fe.getClass();
//log.debug("isAssignableFromClass() fe.class is "+c.getName());
if (fe instanceof RawExpression)
{
//log.debug("isAssignableFromClass() fe is a RawExpression");
c = ((RawExpression)fe).getExpressionClass();
//log.debug("isAssignableFromClass() c is "+c);
}
//log.debug
// ("isAssignableFromClass() expClass : "+expClass.getName()+
// " / class : "+c.getName());
return expClass.isAssignableFrom(c);
}
}