src.openwfe.org.engine.expressions.IncrementExpression Maven / Gradle / Ivy
/*
* Copyright (c) 2001-2006, 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: IncrementExpression.java 2718 2006-06-02 05:24:52Z jmettraux $
*/
//
// IncrementExpression.java
//
// [email protected]
//
// generated with
// jtmpl 1.0.04 31.10.2002 John Mettraux ([email protected])
//
package openwfe.org.engine.expressions;
import openwfe.org.MapUtils;
import openwfe.org.engine.workitem.InFlowWorkItem;
import openwfe.org.engine.workitem.StringAttribute;
/**
* Sets the value of a variable in the scope of the PARENT expression
*
* This expression uses ValueUtils a lot.
*
* @see ValueUtils
*
* CVS Info :
*
$Author: jmettraux $
*
$Date: 2006-06-02 07:24:52 +0200 (Fri, 02 Jun 2006) $
*
$Id: IncrementExpression.java 2718 2006-06-02 05:24:52Z jmettraux $
*
* @author [email protected]
*/
public class IncrementExpression
extends ZeroChildExpression
{
/*
private final static org.apache.log4j.Logger log = org.apache.log4j.Logger
.getLogger(IncrementExpression.class.getName());
*/
//
// CONSTANTS
//
// FIELDS
//
// CONSTRUCTORS
//
// METHODS
public void apply (final InFlowWorkItem wi)
throws ApplyException
{
try
{
//
// determine value
Object value = "1";
try
{
value = ValueUtils.determineValue(this, wi);
}
catch (final ValueException e)
{
//throw new ApplyException
// ("Failed to determine value", ve);
// value stays at 1 (default)
}
//
// do the job
try
{
ValueUtils.determineAndIncrementTarget
(this,
wi,
value);
}
catch (final ValueException e)
{
throw new ApplyException
("Failed to set value", e);
}
//
// reply
replyToParent(wi);
}
catch (final ReplyException re)
{
throw new ApplyException
("Failed to reply to parent", re);
}
}
}