スレッドセキュリティ単例モード


 
  

package com.tnaot.newshandle.base.oss;

import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.IAcsClient;
import com.aliyuncs.profile.DefaultProfile;
import com.tnaot.newshandle.base.config.OSSConfiguration;
import com.tnaot.newshandle.base.util.SpringUtils;


/**
 * Author: hezishan
 * Date: 2018/5/2.
 * Description:    client   
 **/
public class IAcsClientFactory {

    private static IAcsClient acsClient = null;

    /**
     *     IAcsClient  
     *
     * @return
     */
    public static IAcsClient getInstance() {
        try {
            synchronized (IAcsClientFactory.class) {
                if (acsClient == null) {
                    //      
                    OSSConfiguration ossConfiguration = (OSSConfiguration) SpringUtils.getBean("OSSConfiguration");
                    if (ossConfiguration != null) {
                        //   DefaultAcsClient      
                        DefaultProfile profile = DefaultProfile.getProfile(
                                ossConfiguration.getMpsRegionId(),
                                ossConfiguration.getAccessKeyId(),
                                ossConfiguration.getAccessKeySecret());
                        acsClient = new DefaultAcsClient(profile);
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return acsClient;
    }

}