/*
* 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.configuration;
import java.util.Map;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.ImportSelector;
import org.springframework.core.annotation.AnnotationAttributes;
import org.springframework.core.type.AnnotationMetadata;
import org.springframework.statemachine.config.EnableStateMachine;
import org.springframework.statemachine.config.EnableStateMachineFactory;
/**
* Spring {@link ImportSelector} choosing appropriate {@link Configuration}
* based on {@link EnableStateMachine} or {@link EnableStateMachineFactory} annotations.
*
* @author Janne Valkealahti
*
*/
public class StateMachineConfigurationImportSelector implements ImportSelector {
@Override
public String[] selectImports(AnnotationMetadata importingClassMetadata) {
Map<String, Object> attrMap = importingClassMetadata.getAnnotationAttributes(EnableStateMachine.class.getName());
if (attrMap == null) {
attrMap = importingClassMetadata.getAnnotationAttributes(EnableStateMachineFactory.class.getName());
}
if (attrMap != null && AnnotationAttributes.fromMap(attrMap).getBoolean("contextEvents")) {
return new String[] { "org.springframework.statemachine.event.StateMachineEventPublisherConfiguration",
"org.springframework.statemachine.config.configuration.StateMachineCommonConfiguration" };
} else {
return new String[0];
}
}
}