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| 1 | +package software.amazon.encryption.s3.internal; |
| 2 | + |
| 3 | +import software.amazon.awssdk.services.s3.model.ChecksumType; |
| 4 | +import software.amazon.awssdk.services.s3.model.CreateMultipartUploadRequest; |
| 5 | +import software.amazon.awssdk.services.s3.model.PutObjectRequest; |
| 6 | +import java.time.Instant; |
| 7 | +import java.util.Map; |
| 8 | + |
| 9 | +public class ConvertSDKRequests { |
| 10 | + |
| 11 | + public static CreateMultipartUploadRequest convert(PutObjectRequest request) { |
| 12 | + |
| 13 | + final CreateMultipartUploadRequest.Builder output = CreateMultipartUploadRequest.builder(); |
| 14 | + request |
| 15 | + .toBuilder() |
| 16 | + .sdkFields() |
| 17 | + .forEach(f -> { |
| 18 | + final Object value = f.getValueOrDefault(request); |
| 19 | + if (value != null) { |
| 20 | + switch (f.memberName()) { |
| 21 | + case "ACL": |
| 22 | + output.acl((String) value); |
| 23 | + break; |
| 24 | + case "Bucket": |
| 25 | + output.bucket((String) value); |
| 26 | + break; |
| 27 | + case "BucketKeyEnabled": |
| 28 | + output.bucketKeyEnabled((Boolean) value); |
| 29 | + break; |
| 30 | + case "CacheControl": |
| 31 | + output.cacheControl((String) value); |
| 32 | + break; |
| 33 | + case "ChecksumAlgorithm": |
| 34 | + output.checksumAlgorithm((String) value); |
| 35 | + break; |
| 36 | + case "ChecksumType": |
| 37 | + output.checksumType((ChecksumType) value); |
| 38 | + case "ContentDisposition": |
| 39 | + assert value instanceof String; |
| 40 | + output.contentDisposition((String) value); |
| 41 | + break; |
| 42 | + case "ContentEncoding": |
| 43 | + output.contentEncoding((String) value); |
| 44 | + break; |
| 45 | + case "ContentLanguage": |
| 46 | + output.contentLanguage((String) value); |
| 47 | + break; |
| 48 | + case "ContentType": |
| 49 | + output.contentType((String) value); |
| 50 | + break; |
| 51 | + case "ExpectedBucketOwner": |
| 52 | + output.expectedBucketOwner((String) value); |
| 53 | + break; |
| 54 | + case "Expires": |
| 55 | + output.expires((Instant) value); |
| 56 | + break; |
| 57 | + case "GrantFullControl": |
| 58 | + output.grantFullControl((String) value); |
| 59 | + break; |
| 60 | + case "GrantRead": |
| 61 | + output.grantRead((String) value); |
| 62 | + break; |
| 63 | + case "GrantReadACP": |
| 64 | + output.grantReadACP((String) value); |
| 65 | + break; |
| 66 | + case "GrantWriteACP": |
| 67 | + output.grantWriteACP((String) value); |
| 68 | + break; |
| 69 | + case "Key": |
| 70 | + output.key((String) value); |
| 71 | + break; |
| 72 | + case "Metadata": |
| 73 | + // The PutObjectRequest.builder().metadata(value) |
| 74 | + // only takes Map<String, String> therefore it should not be possible |
| 75 | + // to get here with anything other than a Map<String, String> |
| 76 | + // This may be overkill, but this map should be small |
| 77 | + // so the performance hit to verify this is worth the correctness. |
| 78 | + if (!isStringStringMap(value)) { |
| 79 | + throw new IllegalArgumentException("Metadata must be a Map<String, String>"); |
| 80 | + } |
| 81 | + @SuppressWarnings("unchecked") |
| 82 | + Map<String, String> metadata = (Map<String, String>) value; |
| 83 | + output.metadata(metadata); |
| 84 | + break; |
| 85 | + case "ObjectLockLegalHoldStatus": |
| 86 | + output.objectLockLegalHoldStatus((String) value); |
| 87 | + break; |
| 88 | + case "ObjectLockMode": |
| 89 | + output.objectLockMode((String) value); |
| 90 | + break; |
| 91 | + case "ObjectLockRetainUntilDate": |
| 92 | + output.objectLockRetainUntilDate((Instant) value); |
| 93 | + break; |
| 94 | + case "RequestPayer": |
| 95 | + output.requestPayer((String) value); |
| 96 | + break; |
| 97 | + case "ServerSideEncryption": |
| 98 | + output.serverSideEncryption((String) value); |
| 99 | + break; |
| 100 | + case "SSECustomerAlgorithm": |
| 101 | + output.sseCustomerAlgorithm((String) value); |
| 102 | + break; |
| 103 | + case "SSECustomerKey": |
| 104 | + output.sseCustomerKey((String) value); |
| 105 | + break; |
| 106 | + case "SSEKMSEncryptionContext": |
| 107 | + output.ssekmsEncryptionContext((String) value); |
| 108 | + break; |
| 109 | + case "SSEKMSKeyId": |
| 110 | + output.ssekmsKeyId((String) value); |
| 111 | + break; |
| 112 | + case "StorageClass": |
| 113 | + output.storageClass((String) value); |
| 114 | + break; |
| 115 | + case "Tagging": |
| 116 | + output.tagging((String) value); |
| 117 | + break; |
| 118 | + case "WebsiteRedirectLocation": |
| 119 | + output.websiteRedirectLocation((String) value); |
| 120 | + break; |
| 121 | + default: |
| 122 | + // Rather than silently dropping the value, |
| 123 | + // we loudly signal that we don't know how to handle this field. |
| 124 | + throw new IllegalArgumentException("Unknown PutObjectRequest field " + f.locationName() + "."); |
| 125 | + } |
| 126 | + } |
| 127 | + }); |
| 128 | + return output |
| 129 | + // OverrideConfiguration is not as SDKField but still needs to be supported |
| 130 | + .overrideConfiguration(request.overrideConfiguration().orElse(null)) |
| 131 | + .build(); |
| 132 | + } |
| 133 | + |
| 134 | + private static boolean isStringStringMap(Object value) { |
| 135 | + if (!(value instanceof Map)) { |
| 136 | + return false; |
| 137 | + } |
| 138 | + Map<?, ?> map = (Map<?, ?>) value; |
| 139 | + return map.entrySet().stream() |
| 140 | + .allMatch(entry -> entry != null |
| 141 | + && ((Map.Entry<?, ?>) entry).getKey() instanceof String |
| 142 | + && ((Map.Entry<?, ?>) entry).getValue() instanceof String); |
| 143 | + } |
| 144 | +} |
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