jetbrick.template.web.springboot.JetTemplateAutoConfiguration.java Source code

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Here is the source code for jetbrick.template.web.springboot.JetTemplateAutoConfiguration.java

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/**
 * Copyright 2013-2016 Guoqiang Chen, Shanghai, China. All rights reserved.
 *
 *   Author: Guoqiang Chen
 *    Email: subchen@gmail.com
 *   WebURL: https://github.com/subchen
 *
 * 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 jetbrick.template.web.springboot;

import jetbrick.template.JetConfig;
import jetbrick.template.JetEngine;
import jetbrick.template.loader.ClasspathResourceLoader;
import jetbrick.template.web.springmvc.JetTemplateViewResolver;
import jetbrick.template.web.tag.SpringedTags;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;

import java.util.Properties;

@ConditionalOnWebApplication
@ConditionalOnClass(JetEngine.class)
@ConditionalOnProperty(value = "spring.jetbrick.template.enabled", havingValue = "true")
@EnableConfigurationProperties(JetTemplateProperties.class)
public class JetTemplateAutoConfiguration {

    @Bean
    @ConditionalOnMissingBean(JetTemplateViewResolver.class)
    public JetTemplateViewResolver jetTemplateViewResolver(JetTemplateProperties properties) {
        Properties config = properties.getConfig();
        if (config == null) {
            config = new Properties();
        }
        if (!config.containsKey(JetConfig.TEMPLATE_LOADERS)) {
            config.put(JetConfig.TEMPLATE_LOADERS, ClasspathResourceLoader.class.getName());
        }

        JetTemplateViewResolver resolver = new JetTemplateViewResolver();
        resolver.setPrefix(properties.getPrefix());
        resolver.setSuffix(properties.getSuffix());
        resolver.setCache(properties.isCache());
        resolver.setViewNames(properties.getViewNames());
        resolver.setContentType(properties.getContentType().toString());
        resolver.setOrder(properties.getOrder());
        resolver.setConfigProperties(config);
        resolver.setConfigLocation(properties.getConfigLocation());
        return resolver;
    }

    @Bean
    @ConditionalOnMissingBean(EnvHolder.class)
    public EnvHolder envHolder() {
        return EnvHolder.INSTANCE;
    }

    @Bean
    public BeanPostProcessor autoRegiesterBeanPostProcessor() {
        return new BeanPostProcessor() {
            @Override
            public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
                return bean;
            }

            @Override
            public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
                if (bean != null && bean.getClass() == JetTemplateViewResolver.class) {
                    JetEngine engine = ((JetTemplateViewResolver) bean).getJetEngine();

                    // Tags
                    engine.getGlobalResolver().registerTags(SpringedTags.class);
                }
                return bean;
            }
        };
    }
}