org.apache.logging.log4j.spring.boot.Log4jJdbcAutoConfiguration Maven / Gradle / Ivy
package org.apache.logging.log4j.spring.boot;
import javax.sql.DataSource;
import org.apache.logging.log4j.core.Logger;
import org.apache.logging.log4j.spring.boot.ext.Log4jDataSource;
import org.apache.logging.log4j.spring.boot.ext.Log4jJdbcAppenderTemplate;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
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.jdbc.DataSourceAutoConfiguration;
import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties;
import org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ResourceLoader;
/**
* Log4j基于JDBC存储日志的配置类
* http://www.cnblogs.com/bigbang92/p/Log4j2.html
* @author ： vindell
*/
@Configuration
@ConditionalOnClass({ Logger.class })
@ConditionalOnBean(DataSource.class)
@ConditionalOnProperty(name = { "logging.log4j.jdbc.enabled" }, havingValue = "true", matchIfMissing = false)
@EnableConfigurationProperties({ Log4jJdbcProperties.class })
@AutoConfigureAfter({ DataSourceAutoConfiguration.class, HibernateJpaAutoConfiguration.class })
public class Log4jJdbcAutoConfiguration {
@Configuration
@ConditionalOnMissingBean(Logger.class)
@EnableConfigurationProperties(Log4jJdbcProperties.class)
public static class Log4jJdbcConfiguration {
private final Log4jJdbcProperties properties;
private final DataSourceProperties dataSourceProperties;
private final DataSource dataSource;
private final DataSource log4jDataSource;
public Log4jJdbcConfiguration(Log4jJdbcProperties properties,
DataSourceProperties dataSourceProperties,
ResourceLoader resourceLoader, ObjectProvider dataSource,
@Log4jDataSource ObjectProvider log4jDataSource) {
this.properties = properties;
this.dataSourceProperties = dataSourceProperties;
this.dataSource = dataSource.getIfUnique();
this.log4jDataSource = log4jDataSource.getIfAvailable();
}
@Bean
@ConfigurationProperties(prefix = "logging.log4j.jdbc")
public Log4jJdbcAppenderTemplate jdbcAppenderTemplate() {
Log4jJdbcAppenderTemplate template = new Log4jJdbcAppenderTemplate();
if (this.properties.isCreateDataSource()) {
template.setDataSource(properties.initializeDataSourceBuilder().build());
} else if (this.log4jDataSource != null) {
template.setDataSource(this.log4jDataSource);
} else if (this.dataSource != null) {
template.setDataSource(this.dataSource);
} else if (this.dataSourceProperties != null) {
template.setDataSource(this.dataSourceProperties.initializeDataSourceBuilder().build());
}
template.setProperties(properties);
return template;
}
}
}