[jira] Created: (CAMEL-1120) Getting exception message using builder

[Claus Ibsen (JIRA)]

Getting exception message using builder
---------------------------------------

                 Key: CAMEL-1120
                 URL: https://issues.apache.org/activemq/browse/CAMEL-1120
             Project: Apache Camel
          Issue Type: New Feature
          Components: camel-core
            Reporter: Claus Ibsen
            Assignee: Claus Ibsen
            Priority: Minor
             Fix For: 2.0.0


The exception clause below
{code}
                onException(MyFunctionalException.class)
                        .handled(true)
                        .transform(constant("Sorry"));
{code}

Instead of returning the constant Sorry we want to return the exception 
message, instead of using a processor, bean etc. we want some value builder in 
BuilderSupport so you can do it as:
{code}
                onException(MyFunctionalException.class)
                        .handled(true)
                        .transform(exceptionMessage());
{code}

And also add variables to the exception message in the simple language so you 
can do something like this:
{code}
                onException(MyFunctionalException.class)
                        .handled(true)
                        .transform().simple("Error reported 
${exception.message} - can not process this message.");
{code}

Then the caller will receive the response we have created there instead of the 
MyFunctionalException

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