Null check in camel routes - 𝓢𝓪𝓼𝓽𝓻𝓲𝓳𝓪

In camel routes, null check of body content can be done as given below:

.choice()
  .when(body().isNull())
    .log(LoggingLevel.INFO, "Body is null")
  .otherwise()
    .log(LoggingLevel.INFO, "Body is not null")
.endChoice()

If you are doing null check on a exchange header, this can be done using:

.choice()
  .when(header("sampleheader").isNull())
    .log(LoggingLevel.INFO, "Value of exchange header 'sampleheader' is null")
  .otherwise()
    .log(LoggingLevel.INFO, "Value of exchange header 'sampleheader' is not null")
.endChoice()

Similarly you can do null check on exchange property using:

.choice()
  .when(exchangeProperty("sampleproperty").isNull())
    .log(LoggingLevel.INFO, "Value of exchange property 'sampleproperty' is null")
  .otherwise()
    .log(LoggingLevel.INFO, "Value of exchange property 'sampleproperty' is not null")
.endChoice()

We can use .isNotNull() to negate the above .isNull() check.

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