org.springframework.boot.autoconfigure.thymeleaf.AbstractTemplateResolverConfiguration.java Source code

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Here is the source code for org.springframework.boot.autoconfigure.thymeleaf.AbstractTemplateResolverConfiguration.java

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/*
 * Copyright 2012-2016 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.boot.autoconfigure.thymeleaf;

import javax.annotation.PostConstruct;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.thymeleaf.spring4.templateresolver.SpringResourceTemplateResolver;
import org.thymeleaf.templateresolver.TemplateResolver;

import org.springframework.boot.autoconfigure.template.TemplateLocation;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;

/**
 * Abstract base class for the configuration of a Thymeleaf {@link TemplateResolver}.
 *
 * @author Andy Wilkinson
 */
abstract class AbstractTemplateResolverConfiguration {

    private static final Log logger = LogFactory.getLog(AbstractTemplateResolverConfiguration.class);

    private final ThymeleafProperties properties;

    private final ApplicationContext applicationContext;

    AbstractTemplateResolverConfiguration(ThymeleafProperties properties, ApplicationContext applicationContext) {
        this.properties = properties;
        this.applicationContext = applicationContext;
    }

    protected final ThymeleafProperties getProperties() {
        return this.properties;
    }

    @PostConstruct
    public void checkTemplateLocationExists() {
        boolean checkTemplateLocation = this.properties.isCheckTemplateLocation();
        if (checkTemplateLocation) {
            TemplateLocation location = new TemplateLocation(this.properties.getPrefix());
            if (!location.exists(this.applicationContext)) {
                logger.warn("Cannot find template location: " + location + " (please add some templates or check "
                        + "your Thymeleaf configuration)");
            }
        }
    }

    @Bean
    public SpringResourceTemplateResolver defaultTemplateResolver() {
        SpringResourceTemplateResolver resolver = new SpringResourceTemplateResolver();
        resolver.setApplicationContext(this.applicationContext);
        resolver.setPrefix(this.properties.getPrefix());
        resolver.setSuffix(this.properties.getSuffix());
        resolver.setTemplateMode(this.properties.getMode());
        if (this.properties.getEncoding() != null) {
            resolver.setCharacterEncoding(this.properties.getEncoding().name());
        }
        resolver.setCacheable(this.properties.isCache());
        Integer order = this.properties.getTemplateResolverOrder();
        if (order != null) {
            resolver.setOrder(order);
        }
        return resolver;
    }

}