/*
* Copyright 2016 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.integration.http.config;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.context.annotation.ImportSelector;
import org.springframework.core.type.AnnotationMetadata;
import org.springframework.integration.http.support.HttpContextUtils;
/**
* @author Artem Bilan
* @since 4.3
*/
class IntegrationGraphControllerRegistrarImportSelector implements ImportSelector {
private static final Log logger = LogFactory.getLog(IntegrationGraphControllerRegistrarImportSelector.class);
@Override
public String[] selectImports(AnnotationMetadata importingClassMetadata) {
if (HttpContextUtils.SERVLET_PRESENT) {
return new String[] { IntegrationGraphControllerRegistrar.class.getName() };
}
else {
logger.warn("The 'IntegrationGraphController' isn't registered with the application context because" +
" there is no 'org.springframework.web.servlet.DispatcherServlet' in the classpath.");
return new String[0];
}
}
}