/*
* ====================================================================
*
* Frame2 Open Source License
*
* Copyright (c) 2004-2007 Megatome Technologies. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by
* Megatome Technologies."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Frame2 Project", and "Frame2",
* must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact iamthechad@sourceforge.net.
*
* 5. Products derived from this software may not be called "Frame2"
* nor may "Frame2" appear in their names without prior written
* permission of Megatome Technologies.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 MEGATOME TECHNOLOGIES OR
* ITS 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.
* ====================================================================
*/
package org.megatome.frame2.introspector;
import java.beans.IndexedPropertyDescriptor;
import java.lang.reflect.Method;
import org.megatome.frame2.log.Logger;
import org.megatome.frame2.log.LoggerFactory;
/**
* Executes sets and gets on indexed bean properties.
*/
class IndexedCommand extends BeanCommand {
private static Logger LOGGER = LoggerFactory.instance(IndexedCommand.class
.getName());
@Override
void set(PropertyMapping mapping, Object value) throws BeanException {
IndexedPropertyDescriptor descriptor = (IndexedPropertyDescriptor)getDescriptor(
mapping.getBean(), mapping.getKey());
if (descriptor != null) {
Method setMethod = descriptor.getIndexedWriteMethod();
Class<?> type = descriptor.getIndexedPropertyType();
int index = KeyHelper.getIndex(mapping.getKey());
try {
Object convertedValue = Converter.convertValueToType(value,
type);
setMethod.invoke(mapping.getBean(), new Object[] {
Integer.valueOf(index), convertedValue });
} catch (Exception e) {
throw new MappingException("Unable to set property", mapping, //$NON-NLS-1$
value, e);
}
} else {
LOGGER.info("Unable to locate descriptor for property " //$NON-NLS-1$
+ mapping.getKey());
}
}
@Override
Object get(PropertyMapping mapping) throws BeanException {
IndexedPropertyDescriptor descriptor = (IndexedPropertyDescriptor)getDescriptor(
mapping.getBean(), mapping.getKey());
if (descriptor != null) {
try {
Method getMethod = descriptor.getIndexedReadMethod();
int index = KeyHelper.getIndex(mapping.getKey());
return getMethod.invoke(mapping.getBean(),
new Object[] { Integer.valueOf(index) });
} catch (Exception e) {
throw new MappingException("Unable to get property", mapping, e); //$NON-NLS-1$
}
}
LOGGER.info("Unable to locate descriptor for property " //$NON-NLS-1$
+ mapping.getKey());
return null;
}
}