com.xiaoleilu.hutool.db.ds.druid.DruidDSFactory Maven / Gradle / Ivy
package com.xiaoleilu.hutool.db.ds.druid;
import java.util.Collection;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.concurrent.ConcurrentHashMap;
import javax.sql.DataSource;
import com.alibaba.druid.pool.DruidDataSource;
import com.xiaoleilu.hutool.collection.CollectionUtil;
import com.xiaoleilu.hutool.convert.Convert;
import com.xiaoleilu.hutool.db.DbRuntimeException;
import com.xiaoleilu.hutool.db.ds.DSFactory;
import com.xiaoleilu.hutool.io.IoUtil;
import com.xiaoleilu.hutool.setting.Setting;
import com.xiaoleilu.hutool.util.StrUtil;
/**
* Druid数据源工厂类
* @author Looly
*
*/
public class DruidDSFactory extends DSFactory {
public static final String DS_NAME = "Druid";
/** 数据源池 */
private Map dsMap;
public DruidDSFactory() {
this(null);
}
public DruidDSFactory(Setting setting) {
super(DS_NAME, DruidDataSource.class, setting);
this.dsMap = new ConcurrentHashMap<>();
}
@Override
synchronized public DataSource getDataSource(String group) {
if (group == null) {
group = StrUtil.EMPTY;
}
// 如果已经存在已有数据源(连接池)直接返回
final DruidDataSource existedDataSource = dsMap.get(group);
if (existedDataSource != null) {
return existedDataSource;
}
DruidDataSource ds = createDataSource(group);
// 添加到数据源池中,以备下次使用
dsMap.put(group, ds);
return ds;
}
@Override
public void close(String group) {
if (group == null) {
group = StrUtil.EMPTY;
}
DruidDataSource dds = dsMap.get(group);
if (dds != null) {
IoUtil.close(dds);
dsMap.remove(group);
}
}
@Override
public void destroy() {
if(CollectionUtil.isNotEmpty(dsMap)){
Collection values = dsMap.values();
for (DruidDataSource dds : values) {
IoUtil.close(dds);
}
dsMap.clear();
}
}
/**
* 创建数据源
* @param group 分组
* @return Druid数据源 {@link DruidDataSource}
*/
private DruidDataSource createDataSource(String group){
final Setting config = setting.getSetting(group);
if(CollectionUtil.isEmpty(config)){
throw new DbRuntimeException("No Druid config for group: [{}]", group);
}
final DruidDataSource ds = new DruidDataSource();
//基本信息
final String url = config.getAndRemoveStr(KEY_ALIAS_URL);
if(StrUtil.isBlank(url)) {
throw new DbRuntimeException("No JDBC URL for group: [{}]", group);
}
ds.setUrl(url);
ds.setUsername(config.getAndRemoveStr(KEY_ALIAS_USER));
ds.setPassword(config.getAndRemoveStr(KEY_ALIAS_PASSWORD));
final String driver = config.getAndRemoveStr(KEY_ALIAS_DRIVER);
//在未提供JDBC驱动的情况下,Druid会自动识别驱动
if(StrUtil.isNotBlank(driver)){
ds.setDriverClassName(driver);
}
//规范化属性名
Properties config2 = new Properties();
String keyStr;
for (Entry
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