Examples with ListObjectsV2Iterable software.amazon.awssdk.services.s3.paginators.ListObjectsV2Iterable used on opensource projects

Example 1 with ListObjectsV2Iterable

use of software.amazon.awssdk.services.s3.paginators.ListObjectsV2Iterable in project aws-doc-sdk-examples by awsdocs.

the class S3ObjectOperations method main.

public static void main(String[] args) throws IOException {
    final String USAGE = "\n" + "Usage:\n" + "    <bucketName> <key>\n\n" + "Where:\n" + "    bucketName - the Amazon S3 bucket to create.\n\n" + "    key - the key to use.\n\n";
    if (args.length != 2) {
        System.out.println(USAGE);
        System.exit(1);
    }
    String bucketName = args[0];
    String key = args[1];
    // snippet-start:[s3.java2.s3_object_operations.upload]
    Region region = Region.US_WEST_2;
    s3 = S3Client.builder().region(region).build();
    createBucket(s3, bucketName, region);
    PutObjectRequest objectRequest = PutObjectRequest.builder().bucket(bucketName).key(key).build();
    s3.putObject(objectRequest, RequestBody.fromByteBuffer(getRandomByteBuffer(10_000)));
    // snippet-end:[s3.java2.s3_object_operations.upload]
    // Multipart upload example
    String multipartKey = "multiPartKey";
    multipartUpload(bucketName, multipartKey);
    // snippet-start:[s3.java2.s3_object_operations.pagination]
    ListObjectsV2Request listObjectsReqManual = ListObjectsV2Request.builder().bucket(bucketName).maxKeys(1).build();
    boolean done = false;
    while (!done) {
        ListObjectsV2Response listObjResponse = s3.listObjectsV2(listObjectsReqManual);
        for (S3Object content : listObjResponse.contents()) {
            System.out.println(content.key());
        }
        if (listObjResponse.nextContinuationToken() == null) {
            done = true;
        }
        listObjectsReqManual = listObjectsReqManual.toBuilder().continuationToken(listObjResponse.nextContinuationToken()).build();
    }
    // snippet-end:[s3.java2.s3_object_operations.pagination]
    // snippet-start:[s3.java2.s3_object_operations.iterative]
    ListObjectsV2Request listReq = ListObjectsV2Request.builder().bucket(bucketName).maxKeys(1).build();
    ListObjectsV2Iterable listRes = s3.listObjectsV2Paginator(listReq);
    // Process response pages
    listRes.stream().flatMap(r -> r.contents().stream()).forEach(content -> System.out.println(" Key: " + content.key() + " size = " + content.size()));
    // snippet-end:[s3.java2.s3_object_operations.iterative]
    // snippet-start:[s3.java2.s3_object_operations.stream]
    // Helper method to work with paginated collection of items directly
    listRes.contents().stream().forEach(content -> System.out.println(" Key: " + content.key() + " size = " + content.size()));
    // snippet-start:[s3.java2.s3_object_operations.forloop]
    for (S3Object content : listRes.contents()) {
        System.out.println(" Key: " + content.key() + " size = " + content.size());
    }
    // snippet-end:[s3.java2.s3_object_operations.forloop]
    // snippet-start:[s3.java2.s3_object_operations.download]
    GetObjectRequest getObjectRequest = GetObjectRequest.builder().bucket(bucketName).key(key).build();
    s3.getObject(getObjectRequest);
    // snippet-end:[s3.java2.s3_object_operations.download]
    // snippet-start:[s3.java2.s3_object_operations.delete]
    DeleteObjectRequest deleteObjectRequest = DeleteObjectRequest.builder().bucket(bucketName).key(key).build();
    s3.deleteObject(deleteObjectRequest);
    // snippet-end:[s3.java2.s3_object_operations.delete]
    // Delete an object
    deleteObjectRequest = DeleteObjectRequest.builder().bucket(bucketName).key(multipartKey).build();
    s3.deleteObject(deleteObjectRequest);
    deleteBucket(s3, bucketName);
    System.out.println("Done");
}

Example 2 with ListObjectsV2Iterable

use of software.amazon.awssdk.services.s3.paginators.ListObjectsV2Iterable in project aws-doc-sdk-examples by awsdocs.

the class S3Scenario method anotherListExample.

public static void anotherListExample(S3Client s3, String bucketName) {
    ListObjectsV2Request listReq = ListObjectsV2Request.builder().bucket(bucketName).maxKeys(1).build();
    ListObjectsV2Iterable listRes = s3.listObjectsV2Paginator(listReq);
    // Process response pages
    listRes.stream().flatMap(r -> r.contents().stream()).forEach(content -> System.out.println(" Key: " + content.key() + " size = " + content.size()));
    // Helper method to work with paginated collection of items directly
    listRes.contents().stream().forEach(content -> System.out.println(" Key: " + content.key() + " size = " + content.size()));
    for (S3Object content : listRes.contents()) {
        System.out.println(" Key: " + content.key() + " size = " + content.size());
    }
}