質問編集履歴
1
情報の追加
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@@ -40,4 +40,38 @@
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40
40
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<hr />
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<h2>Get S3 image via Controller</h2>
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<img src="image" />
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43
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```
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44
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45
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#Helper
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46
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```
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47
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@Component
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48
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public class S3DownloadHelper{
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49
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private static final String S3_BUCKET_PREFIX = "s3://";
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private static final String DIRECTORY_DELIMITER = "/";
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52
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@Value("sample")
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private String bucketName;
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@Autowired
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ResourceLoader resourceLoader;
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58
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public BufferedImage getImage(String imageFilePath){
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Resource resource = resourceLoader.getResource(
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new StringBuilder()
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.append(S3_BUCKET_PREFIX)
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.append(bucketName)
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.append(DIRECTORY_DELIMITER)
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.append(imageFilePath)
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.toString());
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67
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BufferedImage image = null;
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68
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//InputStreamで読み込み
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69
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try(InputStream inputStream = resource.getInputStream()){
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image = ImageIO.read(inputStream);
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}catch (IOException e){
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e.printStackTrace();
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}
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return image;
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}
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}
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```
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