/*
* Copyright 2012 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.data.repository.config;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.PropertiesFactoryBean;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.data.repository.core.NamedQueries;
import org.springframework.data.repository.core.support.PropertiesBasedNamedQueries;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
* Builder to create a {@link BeanDefinition} for a {@link NamedQueries} instance.
*
* @author Oliver Gierke
*/
public class NamedQueriesBeanDefinitionBuilder {
private final String defaultLocation;
private String locations;
/**
* Creates a new {@link NamedQueriesBeanDefinitionBuilder} using the given default location.
*
* @param defaultLocation must not be {@literal null} or empty.
*/
public NamedQueriesBeanDefinitionBuilder(String defaultLocation) {
Assert.hasText(defaultLocation);
this.defaultLocation = defaultLocation;
}
/**
* Sets the (comma-separated) locations to load the properties files from to back the {@link NamedQueries} instance.
*
* @param locations must not be {@literal null} or empty.
*/
public void setLocations(String locations) {
Assert.hasText(locations);
this.locations = locations;
}
/**
* Builds a new {@link BeanDefinition} from the given source.
*
* @param source
* @return
*/
public BeanDefinition build(Object source) {
BeanDefinitionBuilder properties = BeanDefinitionBuilder.rootBeanDefinition(PropertiesFactoryBean.class);
String locationsToUse = StringUtils.hasText(locations) ? locations : defaultLocation;
properties.addPropertyValue("locations", locationsToUse);
if (!StringUtils.hasText(locations)) {
properties.addPropertyValue("ignoreResourceNotFound", true);
}
AbstractBeanDefinition propertiesDefinition = properties.getBeanDefinition();
propertiesDefinition.setSource(source);
BeanDefinitionBuilder namedQueries = BeanDefinitionBuilder.rootBeanDefinition(PropertiesBasedNamedQueries.class);
namedQueries.addConstructorArgValue(propertiesDefinition);
AbstractBeanDefinition namedQueriesDefinition = namedQueries.getBeanDefinition();
namedQueriesDefinition.setSource(source);
return namedQueriesDefinition;
}
}