org.springframework.jdbc.core.namedparam.BeanPropertySqlParameterSource Maven / Gradle / Ivy
/*
* Copyright 2002-2006 the original author or authors.
*
* 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.springframework.jdbc.core.namedparam;
import org.springframework.beans.BeanWrapper;
import org.springframework.beans.BeanWrapperImpl;
import org.springframework.beans.NotReadablePropertyException;
/**
* SqlParameterSource implementation that obtains parameter values
* from bean properties of a given JavaBean object. The names of
* the bean properties have to match the parameter names.
*
* Uses a Spring BeanWrapper for bean property access underneath.
*
* @author Thomas Risberg
* @author Juergen Hoeller
* @since 2.0
* @see NamedParameterJdbcTemplate
* @see org.springframework.beans.BeanWrapper
*/
public class BeanPropertySqlParameterSource extends AbstractSqlParameterSource {
private final BeanWrapper beanWrapper;
/**
* Create a new BeanPropertySqlParameterSource for the given bean.
* @param object the bean instance to wrap
*/
public BeanPropertySqlParameterSource(Object object) {
this.beanWrapper = new BeanWrapperImpl(object);
}
public boolean hasValue(String paramName) {
return this.beanWrapper.isReadableProperty(paramName);
}
public Object getValue(String paramName) throws IllegalArgumentException {
try {
return this.beanWrapper.getPropertyValue(paramName);
}
catch (NotReadablePropertyException ex) {
throw new IllegalArgumentException(ex.getMessage());
}
}
}