tencent cloud

public void setBucketLifecycleConfiguration(String bucketName, BucketLifecycleConfiguration bucketLifecycleConfiguration) 
        throws CosClientException, CosServiceException;

List<BucketLifecycleConfiguration.Rule> rules = new ArrayList<BucketLifecycleConfiguration.Rule>();
// 规则1  30天后删除路径以 hongkong_movie/ 为开始的文件
BucketLifecycleConfiguration.Rule deletePrefixRule = new BucketLifecycleConfiguration.Rule();
deletePrefixRule.setId("delete prefix xxxy after 30 days");
deletePrefixRule.setFilter(new LifecycleFilter(new LifecyclePrefixPredicate("hongkong_movie/")));
// 文件上传或者变更后, 30天后删除
deletePrefixRule.setExpirationInDays(30);
// 设置规则为生效状态
deletePrefixRule.setStatus(BucketLifecycleConfiguration.ENABLED);

// 规则2  20天后沉降到低频，一年后删除
BucketLifecycleConfiguration.Rule standardIaRule = new BucketLifecycleConfiguration.Rule();
standardIaRule.setId("standard_ia transition");
standardIaRule.setFilter(new LifecycleFilter(new LifecyclePrefixPredicate("standard_ia/")));
List<BucketLifecycleConfiguration.Transition> standardIaTransitions = new ArrayList<BucketLifecycleConfiguration.Transition>();
BucketLifecycleConfiguration.Transition standardTransition = new BucketLifecycleConfiguration.Transition();
standardTransition.setDays(20);
standardTransition.setStorageClass(StorageClass.Standard_IA.toString());
standardIaTransitions.add(standardTransition);
standardIaRule.setTransitions(standardIaTransitions);
standardIaRule.setStatus(BucketLifecycleConfiguration.ENABLED);
standardIaRule.setExpirationInDays(365);

// 将两条规则添加到策略集合中
rules.add(deletePrefixRule);
rules.add(standardIaRule);

// 生成 bucketLifecycleConfiguration
BucketLifecycleConfiguration bucketLifecycleConfiguration =
        new BucketLifecycleConfiguration();
bucketLifecycleConfiguration.setRules(rules);

// 存储桶的命名格式为 BucketName-APPID
String bucketName = "examplebucket-1250000000";
SetBucketLifecycleConfigurationRequest setBucketLifecycleConfigurationRequest =
        new SetBucketLifecycleConfigurationRequest(bucketName, bucketLifecycleConfiguration);

// 设置生命周期
cosClient.setBucketLifecycleConfiguration(setBucketLifecycleConfigurationRequest);