com.github.pagehelper.autoconfigure.PageHelperAutoConfiguration.java Source code

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Here is the source code for com.github.pagehelper.autoconfigure.PageHelperAutoConfiguration.java

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/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2017 abel533@gmail.com
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.github.pagehelper.autoconfigure;

import com.github.pagehelper.PageInterceptor;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.boot.autoconfigure.MybatisAutoConfiguration;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.bind.RelaxedPropertyResolver;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.EnvironmentAware;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;

import javax.annotation.PostConstruct;
import java.util.Map;
import java.util.Properties;

/**
 * ?
 *
 * @author liuzh
 */
@Configuration
@ConditionalOnBean(SqlSessionFactory.class)
@EnableConfigurationProperties(PageHelperProperties.class)
@AutoConfigureAfter(MybatisAutoConfiguration.class)
public class PageHelperAutoConfiguration implements EnvironmentAware {

    @Autowired
    private SqlSessionFactory sqlSessionFactory;

    @Autowired
    private PageHelperProperties pageHelperProperties;

    private RelaxedPropertyResolver resolver;

    @Override
    public void setEnvironment(Environment environment) {
        resolver = new RelaxedPropertyResolver(environment, "pagehelper.");
    }

    @PostConstruct
    public void addPageInterceptor() {
        PageInterceptor interceptor = new PageInterceptor();
        Properties properties = pageHelperProperties.getProperties();
        Map<String, Object> subProperties = resolver.getSubProperties("");
        for (String key : subProperties.keySet()) {
            if (!properties.containsKey(key)) {
                properties.setProperty(key, resolver.getProperty(key));
            }
        }
        interceptor.setProperties(properties);
        sqlSessionFactory.getConfiguration().addInterceptor(interceptor);
    }

}