[jira] [Created] (CAMEL-18916) camel-xslt-saxon: allow logger injection

["Marco Bungart (Jira)" <ji...@apache.org>]

Marco Bungart created CAMEL-18916:
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             Summary: camel-xslt-saxon: allow logger injection
                 Key: CAMEL-18916
                 URL: https://issues.apache.org/jira/browse/CAMEL-18916
             Project: Camel
          Issue Type: New Feature
          Components: camel-xslt
    Affects Versions: 3.19.0, 3.18.4, 3.18.3, 3.18.2
            Reporter: Marco Bungart


Currently, when we use {{camel-xslt-saxon}} in combination with {{<xsl:message ... />}}, the message will be written directly to {{System.out}}. This is not desired when the application, for example, uses json logging. It would be nice to have the capability to inject a logger-instance (e.g. {{org.slf4j.Logger}} or {{org.apache.logging.log4j.Logger}}) and redirect the log-output to that logger-instance.

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Reproducer:
- checkout {{https://github.com/turing85/quarkus-camel-xslt-logging.git}}
- run the test: {{./mvnw clean test}}
- observe that the message produced by {{<xsl:message select = "'Creating response for name = ', $name"/>}} in {{src/main/resources/Transformer.xsl}} is logged unformatted:
{{...}}
{{2023-01-13 15:18:24,324 INFO  [org.apa.cam.con.jax.StaxConverter] (executor-thread-0) Created XMLInputFactory: com.sun.xml.internal.stream.XMLInputFactoryImpl@38874bd. DOMSource/DOMResult may have issues with com.sun.xml.internal.stream.XMLInputFactoryImpl@38874bd. We suggest using Woodstox.}}
{{Creating response for name = John Doe}}
{{[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 7.232 s - in de.turing85.quarkus.camel.xslt.RouteTest}}
{{...}}

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Current Behaviour:

Log message is directly written to {{System.out}} and therefore not formatted.

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Desired behaviour:

The message is delegated to the logger-instance, and is therefore formatted by the logger-instance.

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Environment:
- Java compiler used: {{openjdk 19.0.1 2022-10-18}}
- Quarkus version: {{2.15.3}}
- Quarkus-camel version: {{2.15.3}}
- Camel version: {{3.19.0}}



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