done here https://issues.apache.org/jira/browse/CAMEL-3961
- Romain
2011/5/11 Claus Ibsen <claus.ib...@gmail.com>
> On Tue, May 10, 2011 at 3:38 PM, Romain Manni-Bucau
> <rmannibu...@gmail.com> wrote:
> > after having talked with Claus on IRC i tried to look how to implement
> his
> > idea:
> >
> > from(...).bean(XXX.class, "myMethod(${header.myHeader},
> ${body}").to(...).
> >
> > But i don't understand something: method are managed from BeanInfo and
> > MethodInfo. Where is the link with the route?
> >
> > In other word how can i get the "myMethod(${header.myHeader}, ${body}"
> > string from BeanInfo?
> >
> > I think BeanInfo should have another cached (method, expressions) list to
> > manage it.
> >
>
> Could you create a ticket in JIRA for this new feature. Then we can track
> it.
>
>
> > - Romain
> >
> > 2011/5/8 Romain Manni-Bucau <rmannibu...@gmail.com>
> >
> >> i did a poc,
> >>
> >> i need a modification in camel-core, here is the diff:
> >>
> >> Index: src/main/java/org/apache/camel/component/bean/BeanInfo.java
> >> ===================================================================
> >> --- src/main/java/org/apache/camel/component/bean/BeanInfo.java
> (révision
> >> 1100337)
> >> +++ src/main/java/org/apache/camel/component/bean/BeanInfo.java (copie
> de
> >> travail)
> >> @@ -289,7 +289,7 @@
> >> @SuppressWarnings("unchecked")
> >> protected MethodInfo createMethodInfo(Class clazz, Method method) {
> >> Class[] parameterTypes = method.getParameterTypes();
> >> - Annotation[][] parametersAnnotations =
> >> method.getParameterAnnotations();
> >> + Annotation[][] parametersAnnotations =
> getAnnotationsFor(method);
> >>
> >> List<ParameterInfo> parameters = new ArrayList<ParameterInfo>();
> >> List<ParameterInfo> bodyParameters = new
> >> ArrayList<ParameterInfo>();
> >> @@ -338,6 +338,10 @@
> >> return new MethodInfo(camelContext, clazz, method, parameters,
> >> bodyParameters, hasCustomAnnotation, hasHandlerAnnotation);
> >> }
> >>
> >> + protected Annotation[][] getAnnotationsFor(Method method) {
> >> + return method.getParameterAnnotations();
> >> + }
> >> +
> >> /**
> >> * Lets try choose one of the available methods to invoke if we can
> >> match
> >> * the message body to the body parameter
> >>
> >>
> >> It is simply adding getAnnotationsFor(Method method) method to allow me
> to
> >> override it in a child class.
> >>
> >> After this modification i did a component reading a file containing the
> >> annotation description:
> >>
> >> <?xml version="1.0" encoding="UTF-8"?>
> >> <methods>
> >> <method class="org.apache.camel.component.bean.FooBean" name="foo">
> >> <parameter index="0" type="java.lang.String">
> >> <annotation class="org.apache.camel.Header">
> >> <annotation-parameter name="value" value="bar" />
> >> </annotation>
> >> </parameter>
> >> <parameter index="1" type="java.lang.String">
> >> <annotation class="org.apache.camel.Body" />
> >> </parameter>
> >> </method>
> >> </methods>
> >>
> >>
> >> and i change the behavior of the method i started my mail with to test
> if
> >> annotations are defined in a file before returning the array.
> >>
> >> To avoid to load the file each time i need it i created a service to do
> it.
> >>
> >> Finally i can do what i want: to use a pojo without any camel import and
> >> avoiding to create an array to set parameters.
> >>
> >> My questions are now:
> >>
> >> 1) do you think the method can be created in the trunk?
> >> 2) i didn't find how to register my service in camel (i added it
> manually
> >> in my unit test)
> >> 3) any thoughts?
> >>
> >> PS: i'll upload the code in my repository very soon (
> >> http://code.google.com/p/rmannibucau/ )
> >>
> >> - Romain
> >>
> >> 2011/5/8 Romain Manni-Bucau <rmannibu...@gmail.com>:
> >>
> >> > Hi,
> >> >
> >> > maybe another solution to this problem could be to add a kind of
> >> > descriptor file:
> >> >
> >> > in camel a bean can extract parameters from headers or something else
> >> > with annotations, if there is a file saying the same thing the bean
> >> > could not use any camel imports but do the same.
> >> >
> >> > what do you think of a file like:
> >> >
> >> > <methods>
> >> > <method class="aaa" method="bbb">
> >> > <parameter index="ccc">
> >> > <annotation class="ddd">
> >> > <annotation-parameter name="eee" value="fff" />
> >> > </annotation>
> >> > </parameter>
> >> > </method>
> >> > </methods>
> >> >
> >> > - Romain
> >> >
> >> > 2011/5/6 Romain Manni-Bucau <rmannibu...@gmail.com>:
> >> >> Hi,
> >> >>
> >> >> i would like to do a route with a bit more bean invocations than
> >> >> usually and i realise the use of array body to specify parameters is
> >> >> not very nice, i always have something like:
> >> >>
> >> >> from(...).to(<create my array>).to("bean:...").to(<save my output in
> >> >> headers and replace the body to continue>)....
> >> >>
> >> >> do you think it could be improved specifying in the bean component
> >> >> input/output from headers for example?
> >> >>
> >> >> example:
> >>
> from(...).to("bean:foo.bar.MyClass?method=hello¶meter[0]=header(first)&aprameter[2]=header(other)&result=header(out)").to(...)
> >> >>
> >> >> - Romain
> >> >>
> >> >
> >>
> >>
> >
>
>
>
> --
> Claus Ibsen
> -----------------
> FuseSource
> Email: cib...@fusesource.com
> Web: http://fusesource.com
> CamelOne 2011: http://fusesource.com/camelone2011/
> Twitter: davsclaus
> Blog: http://davsclaus.blogspot.com/
> Author of Camel in Action: http://www.manning.com/ibsen/
>
