/*
* Copyright 2004-2007 Brian McCallister
*
* 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.skife.jdbi.v2;
import org.skife.jdbi.v2.exceptions.UnableToCreateStatementException;
import org.skife.jdbi.v2.tweak.Argument;
import java.beans.BeanInfo;
import java.beans.IntrospectionException;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.lang.reflect.InvocationTargetException;
/**
*
*/
class BeanPropertyArguments implements LazyArguments
{
private final Object bean;
private BeanInfo info;
BeanPropertyArguments(Object bean)
{
this.bean = bean;
try
{
this.info = Introspector.getBeanInfo(bean.getClass());
}
catch (IntrospectionException e)
{
throw new UnableToCreateStatementException("Failed to introspect object which is supposed ot be used to" +
" set named args for a statement via JavaBean properties", e);
}
}
public Argument find(String name)
{
for (PropertyDescriptor descriptor : info.getPropertyDescriptors())
{
if (descriptor.getName().equals(name))
{
try
{
return new ObjectArgument(descriptor.getReadMethod().invoke(bean));
}
catch (IllegalAccessException e)
{
throw new UnableToCreateStatementException(String.format("Access excpetion invoking getter for " +
"bean property [%s] on [%s]",
name, bean), e);
}
catch (InvocationTargetException e)
{
throw new UnableToCreateStatementException(String.format("Invocation target exception invoking " +
"getter for bean property [%s] on [%s]",
name, bean), e);
}
}
}
return null;
}
}