/*
* (c) Copyright 2005 by Heng Yuan
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* ITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package cookxml.core;
import cookxml.core.exception.AccessException;
import cookxml.core.exception.VarLookupException;
import cookxml.core.interfaces.VarLookup;
import cookxml.core.util.ClassUtils;
/**
* Default behavior of handling a variable field. It basically looks up the field from the class
* using the name provided.
*
* @author Heng Yuan
* @version $Id: DefaultVarLookup.java 244 2007-06-07 04:29:13Z coconut $
* @since CookXml 2.0
*/
public class DefaultVarLookup implements VarLookup
{
public final Object varObject;
public DefaultVarLookup (Object varObject)
{
this.varObject = varObject;
}
public Object getVariable (String name, DecodeEngine decodeEngine) throws VarLookupException
{
if (varObject == null || name == null || name.length () == 0)
return null;
try
{
return ClassUtils.getField (varObject, name, decodeEngine.getCookXml ().isAccessible ());
}
catch (SecurityException ex)
{
try
{
decodeEngine.handleException (null, new AccessException (decodeEngine, ex, name));
return null;
}
catch (Exception ex2)
{
throw new VarLookupException (decodeEngine, ex, this, name, null, false);
}
}
catch (Exception ex)
{
throw new VarLookupException (decodeEngine, ex, this, name, null, true);
}
}
public void setVariable (String name, Object value, DecodeEngine decodeEngine) throws VarLookupException
{
if (varObject == null || name == null || name.length () == 0)
return;
try
{
ClassUtils.setField (varObject, name, value, decodeEngine.getCookXml ().isAccessible ());
}
catch (SecurityException ex)
{
try
{
decodeEngine.handleException (null, new AccessException (decodeEngine, ex, name));
}
catch (Exception ex2)
{
throw new VarLookupException (decodeEngine, ex, this, name, value, false);
}
}
catch (Exception ex)
{
throw new VarLookupException (decodeEngine, ex, this, name, value, false);
}
}
}