Difference between revisions of "Ws-call"
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Latest revision as of 10:53, 31 December 2014
Contents
Description
The GreenVulcano® ESB plugin ws-call defines the parameters for calling a Web Service.
VulCon / GV Console Configuration
The ws-call Element is used by Channel and routed-call. Its attributes are:
Attribute | Type | Description |
---|---|---|
type | fixed | This attribute must assume the value call. |
class | fixed | This attribute must assume the value it.greenvulcano.gvesb.virtual.ws.WSCallOperation. |
name | required | Operation name. Used in the Flow section to associate workflow nodes to VCL operations. |
and its subelements:
- Description
- AxisWebServiceInvoker
- Proxy MOVED on v3.4
AxisWebServiceInvoker
This element is used by ws-call.
Its attributes are:
Attribute | Type | Description |
---|---|---|
type | fixed | This attribute must assume the value invoker. |
class | fixed | This attribute must assume the value it.greenvulcano.gvesb.virtual.ws.GVWebServiceInvoker. |
service | optional | Service name. |
serviceNS | optional | Service NameSpace. |
operation | required | Operation name. |
emptyAction | optional | f true the SOAPAction header is not set in the request. Default to false. |
portName | optional | Port Name |
timeout | optional | Timeout in seconds. |
ref-dp | optional | Name of Data Provider to use for preparing the request. |
throwsFault | optional | If true throws Exception "Error invoking operation". If false returns the Fault response. Default to false.
The attribute's admitted values are:
|
use-saaj | optional | Defines whether to use SAAJ to invoke the WebService mode instead of the default Axis2 mode. NOTE: If you choose to use SAAJ as a way of calling the WebService, Axis2 modules are not enabled. The attribute's admitted values are:
|
returnType | optional | Defines how to set the response data in the object field of output GVBuffer:
Default: context |
Attribute | Type | Description |
---|---|---|
emptyAction | optional | if true the SOAPAction header is not set in the request. Default to false. |
and has the sub-elements:
XPathNamespace
Defines a namespace that can be used in XPath. The 'gvesb' prefix is reserved.
The following table shows the XPathNamespace element's attributes:
Attribute | Type | Description |
---|---|---|
prefix | required | Namespace prefix. |
namespace | optional | Namespace.
If not set, the prefix is associated to the default namespace. The attribute's value can't be null. |
Might contain the sub-element Description.
WSDLInfo
This element returns a WSDL through his URL.
Its attributes are:
Attribute | Type | Description |
---|---|---|
type | fixed | This attribute must assume the value wsdlinfo. |
wsdl | required | WSDL file URL. |
Attribute | Type | Description |
---|---|---|
ws-endpoint-url | optional | Override the endpoint URL defined in the wsdl. Is overridden by the WS_ENDPOINT_URL GVBuffer's property value. |
EngageModule
Its attributes are:
Attribute | Type | Description |
---|---|---|
name | required | Defines the name of a module to hire to handle WS-*. If set, takes precedence over the attribute specifications. The attribute's admitted values are:
|
type | required | Defines the class that implements the hander for the module to engage. The attribute's admitted values are:
|
specification | required | The specification to implement, mandatory and other than 'NO-SPEC' if the name attribute is not declared. The attribute's default value is: NO-SPEC. The attribute's admitted values are:
|
It has the sub-elements:
PolicyData
This element is an XML that describes the policies for a specific. Currently it is used only for the WS-Security implemented by the module rampart.
Below is an example of policy to be included on the module rampart:
<wsp:Policy wsu:Id="UTOverTransport"
xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"
xmlns:wsp="http://schemas.xmlsoap.org/ws/2004/09/policy">
<wsp:ExactlyOne>
<wsp:All>
<sp:TransportBinding xmlns:sp="http://schemas.xmlsoap.org/ws/2005/07/securitypolicy">
<wsp:Policy>
<sp:TransportToken>
<wsp:Policy>
<sp:HttpsToken RequireClientCertificate="false"/>
</wsp:Policy>
</sp:TransportToken>
<sp:AlgorithmSuite> <wsp:Policy> <sp:Basic256/> </wsp:Policy> </sp:AlgorithmSuite>
<sp:Layout> <wsp:Policy> <sp:Lax/> </wsp:Policy> </sp:Layout> <sp:IncludeTimestamp/>
</wsp:Policy>
</sp:TransportBinding>
<sp:SignedSupportingTokens xmlns:sp="http://schemas.xmlsoap.org/ws/2005/07/securitypolicy">
<wsp:Policy>
<sp:UsernameToken
sp:IncludeToken="http://schemas.xmlsoap.org/ws/2005/07/
securitypolicy/IncludeToken/AlwaysToRecipient"/>
</wsp:Policy>
</sp:SignedSupportingTokens>
<ramp:RampartConfig xmlns:ramp="http://ws.apache.org/rampart/policy">
<ramp:user>alice</ramp:user>
<ramp:passwordCallbackClass>
org.apache.rampart.samples.policy.sample01.PWCBHandler
</ramp:passwordCallbackClass>
</ramp:RampartConfig>
</wsp:All>
</wsp:ExactlyOne>
</wsp:Policy>
The PolicyData Element is used only by EngageModule and has the following attribute:
Attribute | Type | Description |
---|---|---|
policy_key | required | Defines the key to set the policy for the service invocation. The attribute's admitted values are:
|
ModuleProperty
This element is a specific property form the module to engage. For example:
The property org.apache.axis2.addressing.AddressingConstants.DISABLE_OUTBOUND_ADDRESSING_VALIDATION set to true prevents a fault if SOAPAction is not setted.
The ModuleProperty Element is used only by EngageModule. Its attributes are:
Attribute | Type | Description |
---|---|---|
name | required | Name of the ModuleProperty |
value | required | |
type | optional | The attribute's default value is String and its admitted values are:
|