Jonathan Cook
102 lines
3.2 KiB
Java
102 lines
3.2 KiB
Java
package com.baeldung.s3;
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import java.io.File;
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import java.io.IOException;
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import org.apache.commons.io.FileUtils;
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import com.amazonaws.auth.AWSCredentials;
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import com.amazonaws.auth.AWSStaticCredentialsProvider;
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import com.amazonaws.auth.BasicAWSCredentials;
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import com.amazonaws.regions.Regions;
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import com.amazonaws.services.s3.AmazonS3;
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import com.amazonaws.services.s3.AmazonS3ClientBuilder;
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import com.amazonaws.services.s3.model.Bucket;
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import com.amazonaws.services.s3.model.DeleteObjectsRequest;
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import com.amazonaws.services.s3.model.ObjectListing;
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import com.amazonaws.services.s3.model.S3Object;
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import com.amazonaws.services.s3.model.S3ObjectInputStream;
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import com.amazonaws.services.s3.model.S3ObjectSummary;
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public class S3Application {
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private static final AWSCredentials credentials;
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private static String bucketName;
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static {
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//put your accesskey and secretkey here
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credentials = new BasicAWSCredentials(
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"<AWS accesskey>",
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"<AWS secretkey>"
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);
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}
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public static void main(String[] args) throws IOException {
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//set-up the client
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AmazonS3 s3client = AmazonS3ClientBuilder
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.standard()
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.withCredentials(new AWSStaticCredentialsProvider(credentials))
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.withRegion(Regions.US_EAST_2)
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.build();
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AWSS3Service awsService = new AWSS3Service(s3client);
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bucketName = "baeldung-bucket";
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//creating a bucket
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if(awsService.doesBucketExist(bucketName)) {
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System.out.println("Bucket name is not available."
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+ " Try again with a different Bucket name.");
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return;
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}
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awsService.createBucket(bucketName);
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//list all the buckets
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for(Bucket s : awsService.listBuckets() ) {
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System.out.println(s.getName());
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}
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//deleting bucket
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awsService.deleteBucket("baeldung-bucket-test2");
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//uploading object
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awsService.putObject(
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bucketName,
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"Document/hello.txt",
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new File("/Users/user/Document/hello.txt")
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);
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//listing objects
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ObjectListing objectListing = awsService.listObjects(bucketName);
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for(S3ObjectSummary os : objectListing.getObjectSummaries()) {
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System.out.println(os.getKey());
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}
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//downloading an object
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S3Object s3object = awsService.getObject(bucketName, "Document/hello.txt");
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S3ObjectInputStream inputStream = s3object.getObjectContent();
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FileUtils.copyInputStreamToFile(inputStream, new File("/Users/user/Desktop/hello.txt"));
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//copying an object
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awsService.copyObject(
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"baeldung-bucket",
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"picture/pic.png",
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"baeldung-bucket2",
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"Document/picture.png"
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);
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//deleting an object
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awsService.deleteObject(bucketName, "Document/hello.txt");
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//deleting multiple objects
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String objkeyArr[] = {
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"Document/hello2.txt",
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"Document/picture.png"
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};
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DeleteObjectsRequest delObjReq = new DeleteObjectsRequest("baeldung-bucket")
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.withKeys(objkeyArr);
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awsService.deleteObjects(delObjReq);
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}
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}
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