Examples with BadRequestException co.cask.cdap.common.BadRequestException used on opensource projects

Example 81 with BadRequestException

use of co.cask.cdap.common.BadRequestException in project cdap by caskdata.

the class StoreHandler method publish.

@POST
@Path("/publish")
public void publish(HttpRequest request, HttpResponder responder, @PathParam("namespace") String namespace, @PathParam("topic") String topic) throws Exception {
    TopicId topicId = new NamespaceId(namespace).topic(topic);
    StoreRequest storeRequest = createStoreRequest(topicId, request);
    // Empty payload is only allowed for transactional publish
    if (!storeRequest.isTransactional() && !storeRequest.hasNext()) {
        throw new BadRequestException("Empty payload is only allowed for publishing transactional message. Topic: " + topicId);
    }
    // Publish the message and response with the rollback information
    RollbackDetail rollbackInfo = messagingService.publish(storeRequest);
    if (rollbackInfo == null) {
        // Non-tx publish doesn't have rollback info.
        responder.sendStatus(HttpResponseStatus.OK);
        return;
    }
    ChannelBuffer response = encodeRollbackDetail(rollbackInfo);
    responder.sendContent(HttpResponseStatus.OK, response, "avro/binary", null);
}

Example 82 with BadRequestException

use of co.cask.cdap.common.BadRequestException in project cdap by caskdata.

the class StoreHandler method createStoreRequest.

/**
   * Creates a {@link StoreRequest} instance based on the given {@link HttpRequest}.
   */
private StoreRequest createStoreRequest(TopicId topicId, HttpRequest request) throws Exception {
    // Currently only support avro
    if (!"avro/binary".equals(request.getHeader(HttpHeaders.Names.CONTENT_TYPE))) {
        throw new BadRequestException("Only avro/binary content type is supported.");
    }
    Decoder decoder = DecoderFactory.get().directBinaryDecoder(new ChannelBufferInputStream(request.getContent()), null);
    DatumReader<GenericRecord> datumReader = new GenericDatumReader<>(Schemas.V1.PublishRequest.SCHEMA);
    return new GenericRecordStoreRequest(topicId, datumReader.read(null, decoder));
}