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S3MinIOTest.java
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S3MinIOTest.java
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package aws.s3;
import java.io.File;
import java.io.FileInputStream;
import java.net.URI;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.stream.Collectors;
import reactor.core.publisher.Mono;
import software.amazon.awssdk.auth.credentials.AwsBasicCredentials;
import software.amazon.awssdk.auth.credentials.StaticCredentialsProvider;
import software.amazon.awssdk.core.ResponseBytes;
import software.amazon.awssdk.core.async.AsyncRequestBody;
import software.amazon.awssdk.core.async.AsyncResponseTransformer;
import software.amazon.awssdk.core.async.ResponsePublisher;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.s3.S3AsyncClient;
import software.amazon.awssdk.services.s3.model.CopyObjectRequest;
import software.amazon.awssdk.services.s3.model.CopyObjectResponse;
import software.amazon.awssdk.services.s3.model.GetObjectRequest;
import software.amazon.awssdk.services.s3.model.GetObjectResponse;
import software.amazon.awssdk.services.s3.model.GetObjectTaggingRequest;
import software.amazon.awssdk.services.s3.model.GetObjectTaggingResponse;
import software.amazon.awssdk.services.s3.model.PutObjectRequest;
import software.amazon.awssdk.services.s3.model.PutObjectResponse;
public class S3MinIOTest {
public static void main(String...args) {
S3MinIOTest test = new S3MinIOTest();
test.getFile();
}
void createFile() {
PutObjectRequest request = PutObjectRequest
.builder()
.contentType("image/jpeg")
.bucket("minio-bucket")
.key("core/62d63ab70789ad38270c06bb")
.build();
CompletableFuture<PutObjectResponse> cf = s3.putObject(request,
AsyncRequestBody.fromFile(new File("1.jpg")));
try {
System.out.println(cf.get().eTag());
} catch (InterruptedException | ExecutionException e) {
e.printStackTrace();
}
}
void getFile() {
GetObjectRequest request = GetObjectRequest
.builder()
.bucket("minio-bucket")
.key("/1658826064308")
.build();
CompletableFuture<GetObjectResponse> cf = s3.getObject(request, Paths.get("/myfile1.txt"));
try {
System.out.println(cf.get().tagCount());
} catch (InterruptedException | ExecutionException e) {
e.printStackTrace();
}
CompletableFuture<ResponseBytes<GetObjectResponse>> rpToBytes = s3.getObject(request, AsyncResponseTransformer.toBytes());
CompletableFuture<ResponsePublisher<GetObjectResponse>> rpToPublisher = s3.getObject(request, AsyncResponseTransformer.toPublisher());
try {
rpToPublisher.get().subscribe(buffer -> {
byte[] data = new byte[buffer.limit()];
buffer.get(data);
});
} catch (InterruptedException | ExecutionException e) {
e.printStackTrace();
}
}
void copyFile() {
CompletableFuture<CopyObjectResponse> cf = s3.copyObject(CopyObjectRequest
.builder()
.destinationBucket("minio-bucket")
.destinationKey("/myfile1.txt")
.sourceKey("/62df8ed5dd5a4c38cffdf461")
.sourceBucket("minio-bucket")
.build());
try {
System.out.println(cf.get());
} catch (InterruptedException | ExecutionException e) {
e.printStackTrace();
}
}
void getTags() {
List<Boolean> retVal = new ArrayList<>();
CompletableFuture<GetObjectTaggingResponse> cf = s3.getObjectTagging(GetObjectTaggingRequest.builder().bucket("mybucket").key("credentials-4.json").build());
try {
System.out.println(cf.get().tagSet());
} catch (InterruptedException | ExecutionException e) {
e.printStackTrace();
}
Mono
.fromFuture(cf)
.doOnNext(it -> System.out.println("1") )
.map(it -> it.tagSet())
.doOnNext(it -> System.out.println("2") )
.map(tags -> !tags.stream().filter(tag -> tag.key().equals("a") && tag.value().equals("") ).collect(Collectors.toSet()).isEmpty() )
.doOnNext(it -> System.out.println("3") )
.doOnSuccess(it -> {System.out.println("Is Available: " + it);})
.subscribe(it -> retVal.add(it) )
;
System.out.println("Result: " + retVal.get(0));
}
byte[] readFile(String filename) {
byte[] data = null;
try {
FileInputStream fis = new FileInputStream(filename);
data = new byte[fis.available()];
fis.read(data);
fis.close();
}
catch(Exception ex) {ex.printStackTrace();}
return data;
}
S3AsyncClient s3 = S3AsyncClient
.builder()
.endpointOverride(URI.create("http://localhost:8080"))
.region(Region.AP_EAST_1)
.credentialsProvider(StaticCredentialsProvider.create(AwsBasicCredentials.create("admin", "admin")))
.build();
}