org.springframework.boot.autoconfigure.thymeleaf.ThymeleafTemplateAvailabilityProvider Maven / Gradle / Ivy
/*
* Copyright 2012-2019 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.boot.autoconfigure.thymeleaf;
import org.springframework.boot.autoconfigure.template.TemplateAvailabilityProvider;
import org.springframework.core.env.Environment;
import org.springframework.core.io.ResourceLoader;
import org.springframework.util.ClassUtils;
/**
* {@link TemplateAvailabilityProvider} that provides availability information for
* Thymeleaf view templates.
*
* @author Andy Wilkinson
* @author Madhura Bhave
* @since 1.1.0
*/
public class ThymeleafTemplateAvailabilityProvider implements TemplateAvailabilityProvider {
@Override
public boolean isTemplateAvailable(String view, Environment environment, ClassLoader classLoader,
ResourceLoader resourceLoader) {
if (ClassUtils.isPresent("org.thymeleaf.spring5.SpringTemplateEngine", classLoader)) {
String prefix = environment.getProperty("spring.thymeleaf.prefix", ThymeleafProperties.DEFAULT_PREFIX);
String suffix = environment.getProperty("spring.thymeleaf.suffix", ThymeleafProperties.DEFAULT_SUFFIX);
return resourceLoader.getResource(prefix + view + suffix).exists();
}
return false;
}
}