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Code Issues Releases Wiki Activity

Optional value should only be accessed after calling isPresent()

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赵禹光 2019-08-19 11:42:06 +08:00
parent 44884d7ed4
commit dc0a60b178
1 changed files with 12 additions and 12 deletions
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24
spring-cloud-alicloud-oss/src/main/java/com/alibaba/alicloud/oss/resource/OssStorageResource.java
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@ -16,6 +16,14 @@
package com.alibaba.alicloud.oss.resource; package com.alibaba.alicloud.oss.resource;
import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.Bucket;
import com.aliyun.oss.model.OSSObject;
import org.springframework.core.io.Resource;
import org.springframework.util.Assert;
import java.io.File; import java.io.File;
import java.io.FileNotFoundException; import java.io.FileNotFoundException;
import java.io.IOException; import java.io.IOException;
@ -23,15 +31,7 @@ import java.io.InputStream;
import java.net.URI; import java.net.URI;
import java.net.URISyntaxException; import java.net.URISyntaxException;
import java.net.URL; import java.net.URL;
import java.util.Optional;
import org.springframework.core.io.Resource;
import org.springframework.util.Assert;
import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.Bucket;
import com.aliyun.oss.model.OSSObject;
/** /**
* Implements {@link Resource} for reading and writing objects in Aliyun Object Storage * Implements {@link Resource} for reading and writing objects in Aliyun Object Storage
@ -155,9 +155,9 @@ public class OssStorageResource implements Resource {
* @return the bucket if it exists, or null otherwise * @return the bucket if it exists, or null otherwise
*/ */
public Bucket getBucket() { public Bucket getBucket() {
return this.oss.listBuckets().stream() Optional<Bucket> value = this.oss.listBuckets().stream()
.filter(bucket -> bucket.getName().equals(this.bucketName)).findFirst() .filter(bucket -> bucket.getName().equals(this.bucketName)).findFirst();
.get(); return value.orElse(null);
} }
/** /**