package com.gkhy.hazmat.framework.config;
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import cn.hutool.extra.spring.SpringUtil;
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import com.alibaba.druid.pool.DruidDataSource;
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import com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceBuilder;
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import com.alibaba.druid.spring.boot.autoconfigure.properties.DruidStatProperties;
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import com.alibaba.druid.util.Utils;
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import com.gkhy.hazmat.common.enums.DataSourceType;
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import com.gkhy.hazmat.framework.config.properties.DruidProperties;
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import com.gkhy.hazmat.framework.config.properties.ShardingProperties;
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import org.apache.shardingsphere.driver.api.yaml.YamlShardingSphereDataSourceFactory;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
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import org.springframework.boot.context.properties.ConfigurationProperties;
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import org.springframework.boot.web.servlet.FilterRegistrationBean;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.Primary;
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import org.springframework.core.io.ClassPathResource;
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import javax.servlet.*;
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import javax.sql.DataSource;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.file.Files;
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import java.nio.file.StandardCopyOption;
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import java.util.HashMap;
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import java.util.Map;
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@Configuration
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public class DruidConfig {
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@Bean(name = "masterDataSource")
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@ConfigurationProperties("spring.datasource.druid.master")
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public DataSource masterDataSource(DruidProperties druidProperties){
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DruidDataSource dataSource= DruidDataSourceBuilder.create().build();
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return druidProperties.dataSource(dataSource);
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}
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@Bean(name = "slaveDataSource")
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@ConfigurationProperties("spring.datasource.druid.slave")
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@ConditionalOnProperty(prefix = "spring.datasource.druid.slave",name="enabled",havingValue = "true")
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public DataSource slaveDataSource(DruidProperties druidProperties){
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DruidDataSource dataSource=DruidDataSourceBuilder.create().build();
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return druidProperties.dataSource(dataSource);
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}
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@Bean
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public DataSource shardingDataSource(ShardingProperties shardingProperties) throws Exception
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{
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ClassPathResource classPathResource = new ClassPathResource(shardingProperties.getConfigLocation());
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InputStream inputStream = classPathResource.getInputStream();
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File tmpFile = File.createTempFile(shardingProperties.getConfigLocation(), ".tmp");
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Files.copy(inputStream, tmpFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
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DataSource dataSource = YamlShardingSphereDataSourceFactory.createDataSource(tmpFile);
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return dataSource;
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}
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@Bean(name="dynamicDataSource")
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@Primary
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public DynamicDataSource dataSource(DataSource masterDataSource){
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Map<Object,Object> targetDataSources=new HashMap<>();
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targetDataSources.put(DataSourceType.MASTER.name(),masterDataSource);
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// setDataSource(targetDataSources,DataSourceType.SLAVE.name(),"slaveDataSource");
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setDataSource(targetDataSources, DataSourceType.SHARDING.name(), "shardingDataSource");
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return new DynamicDataSource(masterDataSource,targetDataSources);
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}
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/**
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* 设置数据源
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* @param targetDataSource 备选数据源集合
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* @param sourceName 数据源名称
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* @param beanName bean名称
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*/
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public void setDataSource(Map<Object,Object>targetDataSource,String sourceName,String beanName){
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try {
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DataSource dataSource = SpringUtil.getBean(beanName);
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targetDataSource.put(sourceName, dataSource);
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}catch (Exception e){
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}
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}
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/**
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* 去除监控页面底部的广告
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* @param properties
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* @return
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*/
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@SuppressWarnings({ "rawtypes", "unchecked" })
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@Bean
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@ConditionalOnProperty(name="spring.datasource.druid.statViewServlet.enabled",havingValue = "true")
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public FilterRegistrationBean removeDruidFilterRegistrationBean(DruidStatProperties properties){
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DruidStatProperties.StatViewServlet config=properties.getStatViewServlet();
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String pattern=config.getUrlPattern()!=null?config.getUrlPattern():"/druid/*";
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String commonJsPattern=pattern.replaceAll("\\*","js/common.js");
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final String filePath="support/http/resources/js/common.js";
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Filter filter=new Filter() {
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@Override
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public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
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filterChain.doFilter(servletRequest,servletResponse);
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// 重置缓冲区，响应头不会被重置
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servletResponse.resetBuffer();
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// 获取common.js
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String text= Utils.readFromResource(filePath);
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text=text.replaceAll("<a.*?banner\"></a><br/>","");
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text=text.replaceAll("powered.*?shrek.wang</a>","");
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servletResponse.getWriter().write(text);
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}
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};
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FilterRegistrationBean registrationBean=new FilterRegistrationBean<>();
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registrationBean.setFilter(filter);
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registrationBean.addUrlPatterns(commonJsPattern);
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return registrationBean;
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}
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}
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