Examples with ResourceNotFoundException org.apache.nifi.web.ResourceNotFoundException used on opensource projects

Example 16 with ResourceNotFoundException

use of org.apache.nifi.web.ResourceNotFoundException in project nifi by apache.

the class ControllerFacade method getRemoteProcessGroupStatus.

/**
 * Gets the status for the specified remote process group.
 *
 * @param remoteProcessGroupId remote process group id
 * @return the status for the specified remote process group
 */
public RemoteProcessGroupStatus getRemoteProcessGroupStatus(final String remoteProcessGroupId) {
    final ProcessGroup root = flowController.getGroup(flowController.getRootGroupId());
    final RemoteProcessGroup remoteProcessGroup = root.findRemoteProcessGroup(remoteProcessGroupId);
    // ensure the output port was found
    if (remoteProcessGroup == null) {
        throw new ResourceNotFoundException(String.format("Unable to locate remote process group with id '%s'.", remoteProcessGroupId));
    }
    final String groupId = remoteProcessGroup.getProcessGroup().getIdentifier();
    final ProcessGroupStatus groupStatus = flowController.getGroupStatus(groupId, NiFiUserUtils.getNiFiUser());
    if (groupStatus == null) {
        throw new ResourceNotFoundException(String.format("Unable to locate group with id '%s'.", groupId));
    }
    final RemoteProcessGroupStatus status = groupStatus.getRemoteProcessGroupStatus().stream().filter(rpgStatus -> remoteProcessGroupId.equals(rpgStatus.getId())).findFirst().orElse(null);
    if (status == null) {
        throw new ResourceNotFoundException(String.format("Unable to locate remote process group with id '%s'.", remoteProcessGroupId));
    }
    return status;
}

Example 17 with ResourceNotFoundException

use of org.apache.nifi.web.ResourceNotFoundException in project nifi by apache.

the class ControllerFacade method getLineage.

/**
 * Gets the lineage with the specified id.
 *
 * @param lineageId id
 * @return the lineage with the specified id
 */
public LineageDTO getLineage(final String lineageId) {
    // get the query to the provenance repository
    final ProvenanceRepository provenanceRepository = flowController.getProvenanceRepository();
    final ComputeLineageSubmission computeLineageSubmission = provenanceRepository.retrieveLineageSubmission(lineageId, NiFiUserUtils.getNiFiUser());
    // ensure the submission was found
    if (computeLineageSubmission == null) {
        throw new ResourceNotFoundException("Cannot find the results for the specified lineage request. Results may have been purged.");
    }
    return dtoFactory.createLineageDto(computeLineageSubmission);
}

Example 18 with ResourceNotFoundException

use of org.apache.nifi.web.ResourceNotFoundException in project nifi by apache.

the class StandardComponentStateDAO method clearState.

private void clearState(final String componentId) {
    try {
        final StateManager manager = stateManagerProvider.getStateManager(componentId);
        if (manager == null) {
            throw new ResourceNotFoundException(String.format("State for the specified component %s could not be found.", componentId));
        }
        // clear both state's at the same time
        manager.clear(Scope.CLUSTER);
        manager.clear(Scope.LOCAL);
    } catch (final IOException ioe) {
        throw new IllegalStateException(String.format("Unable to clear the state for the specified component %s: %s", componentId, ioe), ioe);
    }
}

Example 19 with ResourceNotFoundException

use of org.apache.nifi.web.ResourceNotFoundException in project nifi by apache.

the class StandardConnectionDAO method deleteFlowFileDropRequest.

@Override
public DropFlowFileStatus deleteFlowFileDropRequest(String connectionId, String dropRequestId) {
    final Connection connection = locateConnection(connectionId);
    final FlowFileQueue queue = connection.getFlowFileQueue();
    final DropFlowFileStatus dropFlowFileStatus = queue.cancelDropFlowFileRequest(dropRequestId);
    if (dropFlowFileStatus == null) {
        throw new ResourceNotFoundException(String.format("Unable to find drop request with id '%s'.", dropRequestId));
    }
    return dropFlowFileStatus;
}

Example 20 with ResourceNotFoundException

use of org.apache.nifi.web.ResourceNotFoundException in project nifi by apache.

the class StandardConnectionDAO method getContent.

@Override
public DownloadableContent getContent(String id, String flowFileUuid, String requestUri) {
    try {
        final NiFiUser user = NiFiUserUtils.getNiFiUser();
        final Connection connection = locateConnection(id);
        final FlowFileQueue queue = connection.getFlowFileQueue();
        final FlowFileRecord flowFile = queue.getFlowFile(flowFileUuid);
        if (flowFile == null) {
            throw new ResourceNotFoundException(String.format("The FlowFile with UUID %s is no longer in the active queue.", flowFileUuid));
        }
        // get the attributes and ensure appropriate access
        final Map<String, String> attributes = flowFile.getAttributes();
        final Authorizable dataAuthorizable = new DataAuthorizable(connection.getSourceAuthorizable());
        dataAuthorizable.authorize(authorizer, RequestAction.READ, user, attributes);
        // get the filename and fall back to the identifier (should never happen)
        String filename = attributes.get(CoreAttributes.FILENAME.key());
        if (filename == null) {
            filename = flowFileUuid;
        }
        // get the mime-type
        final String type = attributes.get(CoreAttributes.MIME_TYPE.key());
        // get the content
        final InputStream content = flowController.getContent(flowFile, user.getIdentity(), requestUri);
        return new DownloadableContent(filename, type, content);
    } catch (final ContentNotFoundException cnfe) {
        throw new ResourceNotFoundException("Unable to find the specified content.");
    } catch (final IOException ioe) {
        logger.error(String.format("Unable to get the content for flowfile (%s) at this time.", flowFileUuid), ioe);
        throw new IllegalStateException("Unable to get the content at this time.");
    }
}