org.ff4j.spring.placeholder.FF4jPropertiesPlaceHolderConfigurer Maven / Gradle / Ivy
package org.ff4j.spring.placeholder;
/*
* #%L
* ff4j-aop
* %%
* Copyright (C) 2013 - 2015 Ff4J
* %%
* 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.
* #L%
*/
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.ff4j.FF4j;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanDefinitionStoreException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.beans.factory.BeanInitializationException;
import org.springframework.beans.factory.BeanNameAware;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.BeanDefinitionVisitor;
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.core.Ordered;
/**
* PostProcessorFactory used to perform replacement of @ff4jProperty{""} in XML files by property value.
*
* @author Cedrick LUNVEN
*/
public class FF4jPropertiesPlaceHolderConfigurer implements BeanFactoryPostProcessor, BeanFactoryAware, Ordered, BeanNameAware {
/** Static commons-log LOG for this class. */
private static final Log LOGGER = LogFactory.getLog(FF4jPropertiesPlaceHolderConfigurer.class);
/** bean id. */
private String id;
/** Order to process BeanProcessorFactory. */
private int order;
/** Metadata query service interface. */
private FF4j ff4j;
/** Service Name. * */
private String beanName;
/** Service Factory. * */
private BeanFactory beanFactory;
/** {@inheritDoc} */
public final void postProcessBeanFactory(final ConfigurableListableBeanFactory beanFactory) {
try {
// 1) Retrieve properties from ff4j
BeanDefinitionVisitor visitor = new PropertiesPlaceHolderBeanDefinitionVisitor(ff4j);
// 2) Inject property & features value
String[] beanNames = beanFactory.getBeanDefinitionNames();
for (int i = 0; i < beanNames.length; i++) {
if (beanNames[i].equals(beanName)) {
continue;
}
BeanDefinition bd = beanFactory.getBeanDefinition(beanNames[i]);
try {
visitor.visitBeanDefinition(bd);
} catch (BeanDefinitionStoreException ex) {
throw new BeanDefinitionStoreException(bd.getResourceDescription(), beanNames[i], ex.getMessage());
}
}
} catch (Exception e) {
LOGGER.error("Cannot handle placeholding through ff4j : ", e);
throw new BeanInitializationException("An error occured during substition", e);
}
}
/**
* {@inheritDoc}
*/
public void setBeanName(String beanName) {
this.beanName = beanName;
}
/**
* {@inheritDoc}
*/
public void setBeanFactory(BeanFactory arg0) throws BeansException {
this.beanFactory = arg0;
}
/**
* Getter accessor for attribute 'ff4j'.
*
* @return
* current value of 'ff4j'
*/
public FF4j getFf4j() {
return ff4j;
}
/**
* Setter accessor for attribute 'ff4j'.
* @param ff4j
* new value for 'ff4j '
*/
public void setFf4j(FF4j ff4j) {
this.ff4j = ff4j;
}
/**
* Getter accessor for attribute 'order'.
*
* @return
* current value of 'order'
*/
public int getOrder() {
return order;
}
/**
* Setter accessor for attribute 'order'.
* @param order
* new value for 'order '
*/
public void setOrder(int order) {
this.order = order;
}
/**
* Getter accessor for attribute 'beanName'.
*
* @return
* current value of 'beanName'
*/
public String getBeanName() {
return beanName;
}
/**
* Getter accessor for attribute 'beanFactory'.
*
* @return
* current value of 'beanFactory'
*/
public BeanFactory getBeanFactory() {
return beanFactory;
}
/**
* Getter accessor for attribute 'id'.
*
* @return
* current value of 'id'
*/
public String getId() {
return id;
}
/**
* Setter accessor for attribute 'id'.
* @param id
* new value for 'id '
*/
public void setId(String id) {
this.id = id;
}
}