DEV/JAVA

AWS S3 파일업로드

초록매실원액 2019. 12. 31. 15:41
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public class S3Util {
    Regions clientRegion = Regions.AP_NORTHEAST_2;
    final String bucketName = "버킷네임";
    final String accesskey  = "액세스키";
    final String secretkey  = "비밀키";
     
    public String getBucketName() {
        return bucketName;
    }
    public String getAccessKey() {
        return accesskey;
    }
    public String getSecretKey() {
        return secretkey;
    }
    private AmazonS3 conn;
    public S3Util() {
        
        AWSCredentials credentials = new BasicAWSCredentials(this.getAccessKey(), this.getSecretKey());
        this.conn = AmazonS3ClientBuilder.standard()
                .withRegion(clientRegion)
                .withCredentials(new AWSStaticCredentialsProvider(credentials))
                .build();
        
        enableVersioning();
    }
    
    /**
     * Enable versioning on the bucket.
     */
    public void enableVersioning() {
        BucketVersioningConfiguration configuration = 
                new BucketVersioningConfiguration().withStatus("Enabled");
        
        SetBucketVersioningConfigurationRequest setBucketVersioningConfigurationRequest = 
                new SetBucketVersioningConfigurationRequest(bucketName,configuration);
        
        conn.setBucketVersioningConfiguration(setBucketVersioningConfigurationRequest);
        
        // 2. Get bucket versioning configuration information.
        BucketVersioningConfiguration conf = conn.getBucketVersioningConfiguration(bucketName);
        System.out.println("bucket versioning configuration status:    " + conf.getStatus());
         
    }
    
    /**
     * Upload a file as a new object with ContentType and title specified.
     * @param fileObjKeyName
     * @param fileName
     */
    public void uploadFile(String fileObjKeyName , String fileName) {
        PutObjectRequest request = new PutObjectRequest(bucketName, fileObjKeyName, new File(fileName));
        ObjectMetadata metadata = new ObjectMetadata();
        metadata.setContentType("plain/text");
        metadata.addUserMetadata("x-amz-meta-title", "블라블라");
        request.setMetadata(metadata);
        conn.putObject(request);
    }
}
 
  

 

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    /**
     * AWS S3 파일업로드
     * @param fileName
     */
    private void sendAWSFile(String fileName ) {
        
        final String S3FOLDER = "data/";
        if(StringUtils.isBlank(fileName)) {
            return;
        }
        
        String destFileName = fileName;
        if(fileName.indexOf('_') >= 0) {
            destFileName = fileName.substring(fileName.indexOf('_')+1   , fileName.length());
        }
        
        S3Util s3 = new S3Util();
        s3.uploadFile(S3FOLDER+destFileName+".csv", fileName+".csv");
    }