Example usage for com.amazonaws.services.s3 AmazonS3 getObjectTagging

Introduction

In this page you can find the example usage for com.amazonaws.services.s3 AmazonS3 getObjectTagging.

Prototype

public GetObjectTaggingResult getObjectTagging(GetObjectTaggingRequest getObjectTaggingRequest);

Source Link

Document

Returns the tags for the specified object.

Usage

From source file:org.apache.nifi.processors.aws.s3.TagS3Object.java

License:Apache License

@Override
public void onTrigger(final ProcessContext context, final ProcessSession session) {
    FlowFile flowFile = session.get();//from   w w  w  . ja  va  2 s  . c  om
    if (flowFile == null) {
        return;
    }

    final long startNanos = System.nanoTime();

    final String bucket = context.getProperty(BUCKET).evaluateAttributeExpressions(flowFile).getValue();
    final String key = context.getProperty(KEY).evaluateAttributeExpressions(flowFile).getValue();
    final String newTagKey = context.getProperty(TAG_KEY).evaluateAttributeExpressions(flowFile).getValue();
    final String newTagVal = context.getProperty(TAG_VALUE).evaluateAttributeExpressions(flowFile).getValue();

    if (StringUtils.isBlank(bucket)) {
        failFlowWithBlankEvaluatedProperty(session, flowFile, BUCKET);
        return;
    }

    if (StringUtils.isBlank(key)) {
        failFlowWithBlankEvaluatedProperty(session, flowFile, KEY);
        return;
    }

    if (StringUtils.isBlank(newTagKey)) {
        failFlowWithBlankEvaluatedProperty(session, flowFile, TAG_KEY);
        return;
    }

    if (StringUtils.isBlank(newTagVal)) {
        failFlowWithBlankEvaluatedProperty(session, flowFile, TAG_VALUE);
        return;
    }

    final String version = context.getProperty(VERSION_ID).evaluateAttributeExpressions(flowFile).getValue();

    final AmazonS3 s3 = getClient();

    SetObjectTaggingRequest r;
    List<Tag> tags = new ArrayList<>();

    try {
        if (context.getProperty(APPEND_TAG).asBoolean()) {
            final GetObjectTaggingRequest gr = new GetObjectTaggingRequest(bucket, key);
            GetObjectTaggingResult res = s3.getObjectTagging(gr);

            // preserve tags on S3 object, but filter out existing tag keys that match the one we're setting
            tags = res.getTagSet().stream().filter(t -> !t.getKey().equals(newTagKey))
                    .collect(Collectors.toList());
        }

        tags.add(new Tag(newTagKey, newTagVal));

        if (StringUtils.isBlank(version)) {
            r = new SetObjectTaggingRequest(bucket, key, new ObjectTagging(tags));
        } else {
            r = new SetObjectTaggingRequest(bucket, key, version, new ObjectTagging(tags));
        }
        s3.setObjectTagging(r);
    } catch (final AmazonServiceException ase) {
        getLogger().error("Failed to tag S3 Object for {}; routing to failure", new Object[] { flowFile, ase });
        flowFile = session.penalize(flowFile);
        session.transfer(flowFile, REL_FAILURE);
        return;
    }

    flowFile = setTagAttributes(session, flowFile, tags);

    session.transfer(flowFile, REL_SUCCESS);
    final long transferMillis = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startNanos);
    getLogger().info("Successfully tagged S3 Object for {} in {} millis; routing to success",
            new Object[] { flowFile, transferMillis });
}

---

From source file:org.finra.herd.dao.impl.S3OperationsImpl.java

License:Apache License

@Override
public GetObjectTaggingResult getObjectTagging(GetObjectTaggingRequest getObjectTaggingRequest,
        AmazonS3 s3Client) {
    return s3Client.getObjectTagging(getObjectTaggingRequest);
}

---