My backend server is changing its web service component from an
RPC/encoded binding to document/literal, and Flash is producing an odd
result when sending complex objects.
The short story is this: the object that I'm sending as a parameter is
complex; it contains an array of objects. It works fine with the
RPC/encoded binding, but when the document/literal binding is used,
Flash replaces the array of objects with "[Object object],[Object
object],[Object object]". This is not from a trace, it is the actual
SOAP packet, captured with a TCP sniffer.
In detail, the object I try to send (a 'Group') is complex; it contains
an array of sub-objects ('User'). The WSDL description for Groups/Users
looks (under RPC) like:
<complexType name="Group">
<sequence>
<element name="name" nillable="true" type="xsd:string"/>
<element name="description" nillable="true" type="xsd:string"/>
<element name="users" nillable="true"
type="impl:ArrayOf_tns1_User"/>
</sequence>
</complexType>
<complexType name="ArrayOf_tns1_User">
<complexContent>
<restriction base="soapenc:Array">
<attribute ref="soapenc:arrayType"
wsdl:arrayType="tns1:User[]"/>
</restriction>
</complexContent>
</complexType>
<complexType name="User">
<sequence>
<element name="firstName" nillable="true" type="xsd:string"/>
<element name="lastName" nillable="true" type="xsd:string"/>
</sequence>
</complexType>
In a document/literal version the WSDL description looks like:
<complexType name="Group">
<sequence>
<element name=" name " nillable="true" type="string"/>
<element name="description" nillable="true" type=" string"/>
<element maxOccurs="unbounded" minOccurs="0" name="users"
nillable="true" type="tns:User"/>
</sequence>
</complexType>
<complexType name="User">
<sequence>
<element name="firstName" nillable="true" type=" string"/>
<element name="lastName" nillable="true" type="string"/>
</sequence>
</complexType>
I've directed the web service traffic through a TCP port sniffer to
observe the SOAP packets, and what I see is:
For the RPC binding the SOAP object generated by Flash looks
(predictably) like:
<in0 xsi:type="ns2:Group">
<description xsi:type="xsd:string">bbbbbb</description>
<name xsi:type="xsd:string">aaaa</name>
<users xsi:type="soapenc:Array" soapenc:arrayType="ns2:User[3]">
<item xsi:type="ns2:User">
<firstName xsi:type="xsd:string">Jeff</firstName>
<lastName xsi:type="xsd:string">Someone</lastName>
</item>
<item xsi:type="ns2:User">
<firstName xsi:type="xsd:string">Eric</firstName>
<lastName xsi:type="xsd:string">Someoneelse</lastName>
</item>
<item xsi:type="ns2:User">
<firstName xsi:type="xsd:string">Greg</firstName>
<lastName xsi:type="xsd:string">Nobody</lastName>
</item>
</users>
</in0>
Now, the object generated with the document/literal binding looks like:
<Group_1>
<name>aaaa</label>
<description>bbbbbb</description>
<users>[object Object],[object Object]</users>
</Group _1>
Anyone ever see this before?
Pete
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