object-map | map function over some Object 's values to produce | Map library
kandi X-RAY | object-map Summary
kandi X-RAY | object-map Summary
Map a function over the values of an Object to produce a new Object with the same keys. The API is modelled after the native Array#map method.
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QUESTION
I have a message flow where I'd like to filter/drop the message if the result of a GET HTTP call (via http:outbound-gateway) is statusCode 200 - i.e case already exists. Put another way if the call gets a 404 (not found) the flow should continue. Ideally any other status codes or exceptions should go to errorHandler (as now)
I've tried calling a gateway that uses a chain with http:outbound-gateway with a request-handler-advice-chain, thinking I can trap the 404 and then just let things continue as if it was not an error, then test the statusCode 404 in 'filter'. However hitting a few issues
- The onFailureExpression expression doesn't detect statusCode 404, log shows HttpClientErrorException so presumably exception wasn't caught ?
- What value should I return from onFailureExpression ? null or payload or #payload ? ideally I want the payload before the HTTP call to remain as is.
- Do I need trapException true ?
- Surprised there isn't an easier way ? shame can't just declare on http:outbound-gateway httpStatusCodes that are allowed and treated as normal. I didn't think an errorChannel and error handler was the right way to go as I want the original flow to continue if 404 status code. So looks odd to put wanted regular behaviour in an error flow, and already have a higher level error handler.
ANSWER
Answered 2020-Nov-24 at 17:02The is fully based on the
RestTemplate
from Spring Web.
And that one comes with the DefaultResponseErrorHandler
, which really treats 4xx
as an error - the standard HTTP protocol behavior: https://www.restapitutorial.com/httpstatuscodes.html#.
Also see that class JavaDocs:
QUESTION
Currently we are migrating our applications from Camel 2.x to Camel 3.x and faced an issue that JacksonDataFormat
is not using an ObjectMapper
from the application context by default anymore. Instead you need to provide a property camel.dataformat.json-jackson.auto-discover-object-mapper=true
for this feature to work. I don't understand why this is not equal to true
by default for the camel-jackson-starter
module, this seems illogical to me. Probably someone knows the reason behind this?
ANSWER
Answered 2020-Sep-04 at 00:46Apache Camel is modifying ObjectMapper
bean properties depending on your JacksonDataFormat
definition. This is really confusing, if seemingly irrelevant DataFormat
definition is changing your singleton ObjectMapper
bean in registry, which you might have configured for different part of your application. This could be unexpected for some developers, so it has been decided to fail-fast during startup.
If you are using more than one JacksonDataFormat
definition, never set camel.dataformat.json-jackson.auto-discover-object-mapper=true
. You will see some strange behavior, which will be extremely hard to debug.
See CAMEL-14101:
The current default behaviour of the json-jackson data format is to try to lookup an ObjectMapper instance to the registry and if not found to create a new one. In case one is found, the data format instance does customize it according to its local properties but as the same ObjectMapper instance could be shared among different json-jackson data formats, it may lead to inconsistencies or unpredictable behaviors.
QUESTION
I want to know if it is possible to type this function. I am recursively checking for a type of value inside an object (shouldReplace
is a type guard), and passing that value to the function fn
ANSWER
Answered 2020-May-01 at 11:26You have to apply recursive map on values of sampleInput.
So Input type looks like this:
type Input = { meta: string, m: Map, children?: Array };
Let's make generic type with take input and return parsed one:
QUESTION
I'm developing a javafx application using,
- gradle
- OpenJdk11
- OpenJfx11
- sqlite (It also stored inside main package as sqlite.db)
Now I need to build .deb file for ubuntu installation and .exe file for window installation
build.gradle here
...ANSWER
Answered 2020-Apr-20 at 11:29With just Gradle you can only build an executable JAR that can run on Windows and Linux. To bundle it into an exe or a deb package, you'll need some Gradle plugins.
For the exe, you can use gradle-launch4j.
For the deb, you can sue gradle-ospackage-plugin. You find the documentation here.
QUESTION
When trying to upgrade my angular project from 8 to 9 I am getting the following error:
...ANSWER
Answered 2020-Feb-21 at 15:10For those who ended up with the same issue, I fixed it by removing JSDoc annotations from my project. Apparently there's been a bug with the typescript compiler that causes the JSDoc annotation not to compile properly. I'm not sure if this bug has been adressed to the typescript team, but it needs to be solved in future versions, because I'm not the only one who uses JSDoc.
An issue was made in the Angular repository about this: https://github.com/angular/angular/issues/35233
Hope this helps anyone :)
QUESTION
Consider the following example:
...ANSWER
Answered 2019-Oct-16 at 12:20You can get the raw response input stream like this:
QUESTION
Dynamic population of url in http:outbound-gateway giving error
tried below code
...ANSWER
Answered 2019-Jul-30 at 18:01
url="${UrlVariable}"
Remove the $
; placeholders here are just {....}
.
${...}
placeholders are evaluated once, during context initialization.
QUESTION
How to use the RedeliveryPolicy in case of failed messages in outbound->inbound->httpoutboundgateway(messages failing here)->external service
the failed messages are not getting retried based on the RedeliveryPolicy mainly because the message is already dequeued before the exception occurs.
...ANSWER
Answered 2019-Jul-28 at 15:38Set acknowledge="transacted"
on the message-driven channel adapter.
Spring Integration versions 4.2 and later (the current version is 5.1.7) set it to that by default; for earlier versions you have to set it in your configuration so the flow runs in a transaction and the dequeue is rolled back after an exception is thrown.
QUESTION
I would like to get the message from JMS and send it as HTTP request and in case of failure, enqueue it again to JMS.
I've tried using inbound-message-adapter and message-driven-channel-adapter, but it fails as I get "ChannelResolutionException: no output-channel or replyChannel header available" exception but since I do not want to reply to inbound-message-adapter, not sure why would I include a replyChannel header
...ANSWER
Answered 2019-Jul-22 at 15:24QUESTION
I wrote a mapper in Ramda that simplifies an object and removes properties that have empty array. It is a very simple thing for what it does but the Ramda helper methods I had to put together will cause me to scratch my head in few weeks time when I look into the function.
I wonder if there is a cleaner way to achieve the same result.
Here's the code:
...ANSWER
Answered 2019-Jun-27 at 13:10I don't see anything wrong or complicated with your solution.
The only adjustments I'd make are:
- Replace
R.pickBy(R.pipe(R.isEmpty, R.not))
withR.pickBy(R.complement(R.isEmpty))
. - Pick before you map. (Currently, you're mapping over empty arrays)
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