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/*
* Copyright 2002-2014 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
*
* https://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.test.context.web;
import org.springframework.beans.BeanUtils;
import org.springframework.test.context.SmartContextLoader;
import org.springframework.test.context.support.AbstractDelegatingSmartContextLoader;
import org.springframework.util.ClassUtils;
/**
* {@code WebDelegatingSmartContextLoader} is a concrete implementation of
* {@link AbstractDelegatingSmartContextLoader} that delegates to a
* {@link GenericXmlWebContextLoader} (or a {@link GenericGroovyXmlWebContextLoader} if
* Groovy is present on the classpath) and an {@link AnnotationConfigWebContextLoader}.
*
* @author Sam Brannen
* @since 3.2
* @see SmartContextLoader
* @see AbstractDelegatingSmartContextLoader
* @see GenericXmlWebContextLoader
* @see AnnotationConfigWebContextLoader
*/
public class WebDelegatingSmartContextLoader extends AbstractDelegatingSmartContextLoader {
private static final String GROOVY_XML_WEB_CONTEXT_LOADER_CLASS_NAME = "org.springframework.test.context.web.GenericGroovyXmlWebContextLoader";
private static final boolean groovyPresent = ClassUtils.isPresent("groovy.lang.Closure",
WebDelegatingSmartContextLoader.class.getClassLoader())
&& ClassUtils.isPresent(GROOVY_XML_WEB_CONTEXT_LOADER_CLASS_NAME,
WebDelegatingSmartContextLoader.class.getClassLoader());
private final SmartContextLoader xmlLoader;
private final SmartContextLoader annotationConfigLoader;
public WebDelegatingSmartContextLoader() {
if (groovyPresent) {
try {
Class loaderClass = ClassUtils.forName(GROOVY_XML_WEB_CONTEXT_LOADER_CLASS_NAME,
WebDelegatingSmartContextLoader.class.getClassLoader());
this.xmlLoader = (SmartContextLoader) BeanUtils.instantiateClass(loaderClass);
}
catch (Throwable ex) {
throw new IllegalStateException("Failed to enable support for Groovy scripts; "
+ "could not load class: " + GROOVY_XML_WEB_CONTEXT_LOADER_CLASS_NAME, ex);
}
}
else {
this.xmlLoader = new GenericXmlWebContextLoader();
}
this.annotationConfigLoader = new AnnotationConfigWebContextLoader();
}
@Override
protected SmartContextLoader getXmlLoader() {
return this.xmlLoader;
}
@Override
protected SmartContextLoader getAnnotationConfigLoader() {
return this.annotationConfigLoader;
}
}