/*
* Copyright 2015 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.statemachine.config.common.annotation.importing;
import java.lang.annotation.Annotation;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.AnnotationAttributes;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.core.type.AnnotationMetadata;
import org.springframework.statemachine.config.common.annotation.AbstractImportingAnnotationConfiguration;
import org.springframework.statemachine.config.common.annotation.AnnotationConfigurer;
@Configuration
public class SimpleImportingConfiguration extends
AbstractImportingAnnotationConfiguration<ImportingTestConfigBuilder, ImportingTestConfig> {
private final ImportingTestConfigBuilder builder = new ImportingTestConfigBuilder();
@Override
protected BeanDefinition buildBeanDefinition(AnnotationMetadata importingClassMetadata,
Class<? extends Annotation> namedAnnotation) throws Exception {
List<Class<? extends Annotation>> annotationTypes = getAnnotations();
String[] names = null;
if (annotationTypes != null) {
for (Class<?> annotationType : annotationTypes) {
AnnotationAttributes attributes = AnnotationAttributes.fromMap(importingClassMetadata.getAnnotationAttributes(
annotationType.getName(), false));
if (attributes.containsKey("name")) {
names = attributes.getStringArray("name");
break;
}
}
}
BeanDefinitionBuilder beanDefinitionBuilder = BeanDefinitionBuilder
.rootBeanDefinition(SimpleUUIDDelegatingFactoryBean.class);
beanDefinitionBuilder.addConstructorArgValue(builder);
beanDefinitionBuilder.addConstructorArgValue(UUID.class);
beanDefinitionBuilder.addConstructorArgValue(names);
return beanDefinitionBuilder.getBeanDefinition();
}
@Override
protected List<Class<? extends Annotation>> getAnnotations() {
List<Class<? extends Annotation>> types = new ArrayList<Class<? extends Annotation>>();
types.add(EnableImportingTest.class);
return types;
}
private static class SimpleUUIDDelegatingFactoryBean extends
BeanDelegatingFactoryBean<UUID, ImportingTestConfigBuilder, ImportingTestConfig> {
private final String[] beanNames;
public SimpleUUIDDelegatingFactoryBean(ImportingTestConfigBuilder builder, Class<UUID> clazz, String[] beanNames) {
super(builder, clazz);
this.beanNames = beanNames;
}
@Override
public void afterPropertiesSet() throws Exception {
for (AnnotationConfigurer<ImportingTestConfig, ImportingTestConfigBuilder> configurer : getConfigurers()) {
Class<?> clazz = configurer.getClass();
EnableImportingTest findAnnotation = AnnotationUtils.findAnnotation(clazz, EnableImportingTest.class);
String[] annonames = findAnnotation.name();
if (beanNames[0].equals(annonames[0])) {
getBuilder().apply(configurer);
}
}
setObject(getBuilder().getOrBuild().importingData);
}
}
}