/*
* Copyright 2004 The Apache Software Foundation.
*
* Licensed 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.apache.commons.betwixt.expression;
import org.apache.commons.beanutils.DynaBean;
import org.apache.commons.beanutils.DynaProperty;
/**
* Updates <code>DynaBean</code>'s.
* @since 0.7
* @author <a href='http://jakarta.apache.org/commons'>Jakarta Commons Team</a>, <a href='http://www.apache.org'>Apache Software Foundation</a>
*/
public class DynaBeanUpdater extends TypedUpdater {
/** The name of the dyna property to be updated */
private final String propertyName;
/**
* Constructs a <code>DynaBeanUpdater</code>
* for given <code>DynaProperty</code>.
* @param dynaProperty <code>DyanProperty</code>, not null
*/
public DynaBeanUpdater(DynaProperty dynaProperty) {
this(dynaProperty.getName(), dynaProperty.getType());
}
/**
* Constructs a <code>DynaBeanUpdater</code>
* for the given type and property name.
* @param propertyName name of the dyan property
* @param type type of the dyna property
*/
public DynaBeanUpdater(String propertyName, Class type) {
this.propertyName = propertyName;
setValueType(type);
}
/**
* Executes the update on the given code>DynaBean</code>
* @see org.apache.commons.betwixt.expression.TypedUpdater#executeUpdate(Context, java.lang.Object, java.lang.Object)
*/
protected void executeUpdate(Context context, Object bean, Object value) throws Exception {
if (bean instanceof DynaBean)
{
DynaBean dynaBean = (DynaBean) bean;
dynaBean.set(propertyName, value);
}
else
{
handleException(context, new IllegalArgumentException("DynaBean required."));
}
}
/**
* Outputs something suitable for logging.
*/
public String toString() {
return "DynaBeanUpdater [property=" + propertyName + "]";
}
}