Java Reference
In-Depth Information
•
encodingStyle
identifies the rules used to serialize parts of a SOAP mes-
sage
•
role
identifies the SOAP node (via a URI) to which the header block is tar-
geted—thisSOAP1.2-introduced attribute replaces theSOAP1.1
actor
at-
tribute, which performs the same function
•
mustUnderstand
indicateswhetherprocessingoftheheaderblockisman-
datory(value
1
inSOAP1.1;
true
inSOAP1.2)oroptional(value
0
inSOAP
1.1;
false
in SOAP 1.2)
•
relay
indicates whether the header block targeted at a SOAP receiver must
be relayed to another node if not processed —this attribute was introduced in
SOAP 1.2
The
Body
elementcontainsinformationthattargetstheultimatereceivernode.This
informationisknownasthe
payload
,andconsistsofaSOAP-defined
Fault
childele-
mentdescribinga
fault
(anerrorbeingreportedbythewebservice),orchildelements
that are specific to the web service.
The
Fault
elementcontainserrorandstatusinformationthatawebservicereturns
to a client. SOAP 1.1 specifies the following child elements of
Fault
:
•
faultcode
:Thismandatoryelementprovidesinformationaboutthefaultin
a form that can be processed by software. SOAP defines a small set of SOAP
fault codes that cover basic faults; this set can be extended by applications.
•
faultstring
:Thismandatoryelementprovidesinformationaboutthefault
in a human-readable format.
•
faultactor
:ThiselementcontainstheURIoftheSOAPnodethatgenerated
the fault. A SOAP node that is not the ultimate SOAP receiver must include
faultactor
when creating a fault; an ultimate SOAP receiver doesn't have
to include this element, but might choose to do so.
•
detail
:Thiselementcarriesapplication-specificerrorinformationrelatedto
the
Body
element. It must be present when
Body
's contents couldn't be pro-
cessed successfully. The
detail
element must not be used to carry error in-
formation belonging to header blocks; detailed error information belonging to
header blocks is carried within these blocks.
SOAP 1.2 specifies the following child elements of
Fault
:
•
Code
:Thismandatoryelementprovidesinformationaboutthefaultinaform
thatcanbeprocessedbysoftware.Itcontainsa
Value
elementandanoptional
Subcode
element.
