Apache Camel: how store variable for later use

Question

while \'playing around\' with Camel using Spring DSL, I came across the following problem. Suppose the expected message flow looks like this:

1. client sends HTTP POS

Answer 1

you can set store data in the Exchange properties or message headers like this...

.setHeader("ID", XPathBuilder.xpath("/order/@id", String.class))
.setProperty("ID", XPathBuilder.xpath("/order/@id", String.class))

and then retrieve them in a bean/processor from the Exchange like this...

String propId = (String) exchange.getProperty("ID");
String headerId = (String) exchange.getIn().getHeader("ID");                        }