hi gunther,
Flexibel will ot work for collections if you wnat to use collection chaild
elements you can use abstarct mapping.and you need not use that flexible
attribute for structure element inside mapping .
If you use flexible attribute for mapping it will take care of all child
elements in side that parent element
Regards,
venkat annangi
On 7/25/07, Günther Wieser <[EMAIL PROTECTED]> wrote:
hi,
i'm a total newbie to jixb so this might be more a question of
understanding than of a problem. i went through the mailing list archive,
found some interresting things but nothing solved my problems, so i'm ending
up here ;-)
think about the following binding:
<?xml version="1.0" encoding="ISO-8859-2"?>
<binding>
<mapping name="customer" class="data.Customer" flexible="true"
ordered="false" allow-repeats="true">
<value name="id" set-method="setJiXBId" get-method="getJiXBId"/>
<value name="first" set-method="setJiXBFirstName"
get-method="getJiXBFirstName"/>
<value name="last" set-method="setJiXBLastName"
get-method="getJiXBLastName"/>
<collection field="addresses" flexible="true" ordered="false">
<structure name="address" type="data.Address" flexible="true"
ordered="false">
<value name="id" set-method="setJiXBId" get-method="getJiXBId"/>
<value name="street" set-method="setJiXBStreet" get-method="getJiXBStreet"
usage="optional"/>
<value name="city" set-method="setJiXBCity" get-method="getJiXBCity"
usage="optional"/>
</structure>
</collection>
</mapping>
</binding>
this does not compile, jixb complains about the following:
[bind] Error: All child components must define element names for
flexible='true'; on collection element at (line 7, col 66, in
C:/JavaDev322/JiXB Test/src/customer_binding.xml)
[bind] Error running binding compiler
[bind] org.jibx.runtime.JiBXException: Binding C:/JavaDev322/JiXB
Test/src/customer_binding.xml is unusable because of validation errors
problem is: we get XML data that could have more elements than we expect,
but we simply do not need to take care of this. but of course we must get
jixb to ignore these during runtime.
i've tried several other ways to solve this:
i removed the collection element and added getters and setters to the
structure (the setter simply adds an "address" to the list) and set
"allow-repeats" to true.
with this approach i ended up with a very strange situation. giving the
following input, i received a strange result.
input:
<?xml version="1.0" encoding="ISO-8859-2"?>
<customer>
<id>1234</id>
<first>Heinz</first>
<last>Prueller</last>
<asdasd>asasd</asdasd>
<address>
<id>111</id>
<street>Daham 1</street>
<city>1110 Wien</city>
</address>
<address>
<id>222</id>
<street>Daham 2</street>
<city>2220 Wien</city>
<kasperl>asdasd</kasperl>
</address>
<address>
<id>333</id>
<street>Daham 3</street>
<city>3330 Wien</city>
</address>
</customer>
outcome:
Adding [EMAIL PROTECTED] 1][city=1110
Wien]]
Adding [EMAIL PROTECTED] 2][city=2220
Wien]]
Adding [EMAIL PROTECTED] 3][city=3330
Wien]]
Result: [EMAIL PROTECTED]
[[id=1234][firstName=Heinz][lastName=Prueller][addresses.size=3[address=
[EMAIL PROTECTED] 3][city=3330 Wien]]][address=
[EMAIL PROTECTED] 3][city=3330 Wien]]][address=
[EMAIL PROTECTED] 3][city=3330 Wien]]]]]
as you can see, the three address object were passed to my addAddress()
method with the correct values, but the final collection holds three address
objects which all hold the same data!!!! weird!
so my question is:
how can i define a binding that either uses collections or can deal with
collections, but allows "unknown" XML elements to exist in the data coming
in without getting exceptions during runtime?
br,
guenther
--
Günther Wieser
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