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## Chapter 23. Web Service Definition Language (WSDL) 1.1 Sequencer

The XSD sequencer included in ModeShape can parse WSDL files that adhere to the W3C's Web Service Definition Language (WSDL) 1.1 specification, and output a representation of the WSDL file's messages, port types, bindings, services, types (including embedded XML Schemas), documentation, and extension elements (including HTTP, SOAP and MIME bindings). This derived information is intended to mirror the structure and semantics of the actual WSDL files while also making it possible for ModeShape users to easily navigate, query and search over this derived information. This sequencer captures the namespace and names of all referenced components, and will resolve references to components appearing within the same file.

The design of this sequencer and it's output structure have been influenced by the SOA Repository Artifact Model and Protocol (S-RAMP) draft specification, which is currently under development as an OASIS Technology Committee. S-RAMP defines a model for a variety of file types, including WSDL and XSD. This sequencer's output was designed to mirror that model, and thus some of the properties and node types used are defined within the "sramp" namespace. However, the structure derived by the ModeShape WSDL sequencer is a superset of that defined by S-RAMP.

The WSDL specification allows for a fair amount of variation in WSDL files, and consequently this variation is reflected in the derived output structure.

## 23.1. Example

Let's look at an example WSDL file from the WSDL 1.1 specification:

    <?xml version="1.0" encoding="ISO-8859-1" ?>

    <?xml version="1.0"?>

    <definitions name="StockQuote"

                 targetNamespace="http://example.com/stockquote.wsdl"

                 xmlns:tns="http://example.com/stockquote.wsdl"

                 xmlns:xsd1="http://example.com/stockquote.xsd"

                 xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"

                 xmlns="http://schemas.xmlsoap.org/wsdl/">

        <types>

           <schema targetNamespace="http://example.com/stockquote.xsd"

                  xmlns="http://www.w3.org/2001/XMLSchema">

               <element name="TradePriceRequest">

                  <complexType>

                      <all>

                          <element name="tickerSymbol" type="string"/>

                      </all>

                  </complexType>

               </element>

               <element name="TradePrice">

                  <complexType>

                      <all>

                          <element name="price" type="float"/>

                      </all>

                  </complexType>

               </element>

           </schema>

        </types>

        <message name="GetLastTradePriceInput">

            <part name="body" element="xsd1:TradePriceRequest"/>

        </message>

        <message name="GetLastTradePriceOutput">

            <part name="body" element="xsd1:TradePrice"/>

        </message>

        <portType name="StockQuotePortType">

            <operation name="GetLastTradePrice">

               <input message="tns:GetLastTradePriceInput"/>

               <output message="tns:GetLastTradePriceOutput"/>

            </operation>

        </portType>

        <binding name="StockQuoteSoapBinding" type="tns:StockQuotePortType">

            <soap:binding style="document"

                          transport="http://schemas.xmlsoap.org/soap/http"/>

            <operation name="GetLastTradePrice">

               <soap:operation

                       soapAction="http://example.com/GetLastTradePrice"/>

               <input>

                   <soap:body use="literal"/>

               </input>

               <output>

                   <soap:body use="literal"/>

               </output>

            </operation>

        </binding>

        <service name="StockQuoteService">

            <documentation>My first service</documentation>

            <port name="StockQuotePort" binding="tns:StockQuoteBinding">

               <soap:address location="http://example.com/stockquote"/>

            </port>

        </service>

    </definitions>

This WSDL definition includes an embedded XML Schema that defines the structure of two XML elements used in the web service messages, and it defines a 'StockQuotePortType' port type with input and output messages, a SOAP binding, and a SOAP service. The WSDL sequencer will derive from this file the following content:

     stockQuote.wsdl jcr:primaryType=wsdl:wsdlDocument jcr:mixinTypes=[mode:derived]

       - jcr:uuid=d69d9fac-c5b5-42fc-ae70-0947d5986744

       - mode:derivedAt=2011-05-24T20:22:23.404Z

       - mode:derivedFrom=/files/stockQuote.wsdl

       - sramp:contentSize=2210

       - sramp:contentType="application/wsdl"

       wsdl:schema jcr:primaryType=xs:schemaDocument

         - jcr:uuid=8e0b8a17-11d2-4611-bc83-ef067526329c

         - sramp:contentSize=623

         - sramp:contentType="application/xsd"

         - targetNamespace="http://example.com/stockquote.xsd"

         - xmlns:xmlns="http://www.w3.org/2001/XMLSchema"

         TradePriceRequest jcr:primaryType=xs:elementDeclaration

           - jcr:uuid=8407370d-9c6a-43ad-84ee-53f480524432

           - xs:abstract=false

           - xs:form="qualified"

           - xs:namespace=http://example.com/stockquote.xsd

           - xs:ncName="TradePriceRequest"

           - xs:nillable=false

           - xs:typeNamespace=http://example.com/stockquote.xsd

           xs:complexType jcr:primaryType=xs:complexTypeDefinition

             - jcr:uuid=5afc2fe3-e6c3-4cc2-8667-e5a9faf8963d

             - xs:abstract=false

             - xs:baseTypeName="anyType"

             - xs:baseTypeNamespace="http://www.w3.org/2001/XMLSchema"

             - xs:method="restriction"

             - xs:mixed=false

             - xs:namespace=http://example.com/stockquote.xsd

             xs:all jcr:primaryType=xs:all

               - jcr:uuid=e491f657-c20a-43e7-99b7-e5f76778c11e

               - xs:maxOccurs=1

               - xs:minOccurs=1

               tickerSymbol jcr:primaryType=xs:elementDeclaration

                 - jcr:uuid=22c26a7f-e9fa-4c44-a346-7df3cf436c7a

                 - id="string"

                 - name="string"

                 - xs:abstract=false

                 - xs:form="qualified"

                 - xs:maxOccurs=1

                 - xs:minOccurs=1

                 - xs:ncName="tickerSymbol"

                 - xs:nillable=false

                 - xs:typeName="string"

                 - xs:typeNamespace=http://www.w3.org/2001/XMLSchema

         TradePrice jcr:primaryType=xs:elementDeclaration

           - jcr:uuid=5667cfcc-d87e-4ef3-811c-4e64dc27f263

           - xs:abstract=false

           - xs:form="qualified"

           - xs:namespace=http://example.com/stockquote.xsd

           - xs:ncName="TradePrice"

           - xs:nillable=false

           - xs:typeNamespace=http://example.com/stockquote.xsd

           xs:complexType jcr:primaryType=xs:complexTypeDefinition

             - jcr:uuid=b2eb5936-4a12-4d2f-854c-ca4b251c6a74

             - xs:abstract=false

             - xs:baseTypeName="anyType"

             - xs:baseTypeNamespace="http://www.w3.org/2001/XMLSchema"

             - xs:method="restriction"

             - xs:mixed=false

             - xs:namespace=http://example.com/stockquote.xsd

             xs:all jcr:primaryType=xs:all jcr:uuid=57d8f62f-71b1-44c7-8807-a1faac3582a4

               - xs:maxOccurs=1

               - xs:minOccurs=1

               price jcr:primaryType=xs:elementDeclaration

                 - jcr:uuid=049a905c-1c1d-4122-aa2f-7d2fe7d45bef

                 - id="float"

                 - name="float"

                 - xs:abstract=false

                 - xs:form="qualified"

                 - xs:maxOccurs=1

                 - xs:minOccurs=1

                 - xs:ncName="price"

                 - xs:nillable=false

                 - xs:typeName="float"

                 - xs:typeNamespace=http://www.w3.org/2001/XMLSchema

       wsdl:messages jcr:primaryType=wsdl:messages

         - jcr:uuid=3ae584b3-2807-4022-b1fb-c7d39d0cfc48

         GetLastTradePriceInput jcr:primaryType=wsdl:message

           - jcr:uuid=6eac84de-e7e3-4e12-ac5e-d5a8dfe11c7f

           - wsdl:namespace=http://example.com/stockquote.wsdl

           - wsdl:ncName="GetLastTradePriceInput"

           body jcr:primaryType=wsdl:part

             - jcr:uuid=28d5bc74-f21c-49c2-9850-a9992cbbf88e

             - wsdl:elementName="TradePriceRequest"

             - wsdl:elementNamespace=http://example.com/stockquote.xsd

             - wsdl:ncName="body"

         GetLastTradePriceOutput jcr:primaryType=wsdl:message

           - jcr:uuid=1be232c8-898b-49ce-90c7-8e31b20f991f

           - wsdl:namespace=http://example.com/stockquote.wsdl

           - wsdl:ncName="GetLastTradePriceOutput"

           body jcr:primaryType=wsdl:part

             - jcr:uuid=06feaf78-f1ce-4f6c-a8e3-65eda3d600da

             - wsdl:elementName="TradePrice"

             - wsdl:elementNamespace=http://example.com/stockquote.xsd

             - wsdl:ncName="body"

       wsdl:portTypes jcr:primaryType=wsdl:portTypes

         - jcr:uuid=44afcb97-9b19-4dd0-98ca-191ca14495b2

         StockQuotePortType jcr:primaryType=wsdl:portType

           - jcr:uuid=3e81f0fd-7759-445a-b540-1253605ce0fd

           - wsdl:namespace=http://example.com/stockquote.wsdl

           - wsdl:ncName="StockQuotePortType"

           GetLastTradePrice jcr:primaryType=wsdl:operation

             - jcr:uuid=bd5d2f23-5454-4de2-9962-93c30b1be6d9

             - wsdl:ncName="GetLastTradePrice"

             wsdl:input jcr:primaryType=wsdl:operationInput

               - jcr:uuid=fba4398b-84c8-4ebe-8eb8-f83ce867329b

               - wsdl:message=6eac84de-e7e3-4e12-ac5e-d5a8dfe11c7f

               - wsdl:messageName="GetLastTradePriceInput"

               - wsdl:messageNamespace="http://example.com/stockquote.wsdl"

               - wsdl:ncName="GetLastTradePriceRequest"

             wsdl:output jcr:primaryType=wsdl:operationOutput

               - jcr:uuid=aa7a2ef8-883e-4598-a822-15283c0b63d4

               - wsdl:message=1be232c8-898b-49ce-90c7-8e31b20f991f

               - wsdl:messageName="GetLastTradePriceOutput"

               - wsdl:messageNamespace="http://example.com/stockquote.wsdl"

               - wsdl:ncName="GetLastTradePriceResponse"

       wsdl:bindings jcr:primaryType=wsdl:bindings

         - jcr:uuid=f736166e-cf40-45ec-b4a4-23243e241205

         StockQuoteBinding jcr:primaryType=wsdl:binding

           - jcr:uuid=b224c1f5-d223-483b-ab43-479ceef3e015

           - wsdl:namespace=http://example.com/stockquote.wsdl

           - wsdl:ncName="StockQuoteBinding"

         StockQuoteSoapBinding jcr:primaryType=wsdl:binding

           - jcr:uuid=cd65da16-bc97-479c-bb27-c9766ee5c946

           - wsdl:namespace=http://example.com/stockquote.wsdl

           - wsdl:ncName="StockQuoteSoapBinding"

           - wsdl:type=3e81f0fd-7759-445a-b540-1253605ce0fd

           - wsdl:typeName="StockQuotePortType"

           - wsdl:typeNamespace="http://example.com/stockquote.wsdl"

           GetLastTradePrice jcr:primaryType=wsdl:bindingOperation

             - jcr:uuid=949919a7-23c4-4994-853a-5a14b1fd04ed

             - wsdl:ncName="GetLastTradePrice"

             wsdl:input jcr:primaryType=wsdl:bindingOperationInput

               - jcr:uuid=76069b3a-c73e-4c23-be3d-b0ee6f874e7a

               - wsdl:input="fba4398b-84c8-4ebe-8eb8-f83ce867329b"

               - wsdl:inputName="GetLastTradePriceRequest"

               - wsdl:ncName="GetLastTradePriceRequest"

               wsdl:soapBody jcr:primaryType=wsdl:soapBody

                 - jcr:uuid=22bd5f19-5450-4720-ab23-e4d97c8adee5

                 - wsdl:use="literal"

             wsdl:output jcr:primaryType=wsdl:bindingOperationOutput

               - jcr:uuid=03b70411-d992-41db-ade1-de70ddd7822a

               - wsdl:ncName="GetLastTradePriceResponse"

               - wsdl:output="aa7a2ef8-883e-4598-a822-15283c0b63d4"

               - wsdl:outputName="GetLastTradePriceResponse"

               wsdl:soapBody jcr:primaryType=wsdl:soapBody

                 - jcr:uuid=5d9d8127-8617-4947-b142-6d31e0b84c03

                 - wsdl:use="literal"

             wsdl:soapOperation jcr:primaryType=wsdl:soapOperation

               - jcr:uuid=52ce3adf-b018-4148-a679-64822b870908

               - wsdl:soapAction=http://example.com/GetLastTradePrice

           wsdl:soapBinding jcr:primaryType=wsdl:soapBinding

             - jcr:uuid=659102a6-206e-4ebc-8d51-9b21e5dcc431

             - wsdl:style="document"

             - wsdl:transport=http://schemas.xmlsoap.org/soap/http

       wsdl:services jcr:primaryType=wsdl:services

         - jcr:uuid=3dbd2a54-9d2d-4223-98a2-8362369e8f0d

         StockQuoteService jcr:primaryType=wsdl:service

           - jcr:uuid=72420bcb-dd3f-4a5e-ba13-811af5a98bd5

           - sramp:description="My first service"

           - wsdl:namespace=http://example.com/stockquote.wsdl

           - wsdl:ncName="StockQuoteService"

           StockQuotePort jcr:primaryType=wsdl:port

             - jcr:uuid=24779c9f-ebe6-4030-b9cd-3f0e623b94fa

             - wsdl:binding=b224c1f5-d223-483b-ab43-479ceef3e015

             - wsdl:ncName="StockQuotePort"

             wsdl:soapAddress jcr:primaryType=wsdl:soapAddress

               - jcr:uuid=d015a2ee-fbae-4b28-bda8-16a8295d8e02

               - wsdl:soapLocation=http://example.com/stockquote

The first thing to note is that the sequencer produces a node of type `wsdl:wsdlDocument` that includes the `mode:derived` information (e.g., the time of sequencing and the path to the file from which this information was derived), and information about the WSDL file itself. If the WSDL file contained `documentation` elements directly under the root element, the content of those elements would have been placed inside an `sramp:description` property.

Secondly, the WSDL file contains an embedded XML Schema document, and this XSD was sequenced also. See the XML Schema sequencer documentation for the structure of the XML Schema documents. Any references to the XSD components in the embedded schema(s) will be captured as REFERENCE properties as well as properties containing the local name and namespace of the components.

Thirdly, there are several "container" nodes underneath the top-level `wsdl:wsdlDocument` node, and are named `wsdl:messages`, `wsdl:portTypes`, `wsdl:bindings`, and `wsdl:services`. These container nodes serve to separate out the various kinds of definitions, since per the WSDL 1.1 specification the name scope of each kind of component is distinct from the other kinds.

Within the `wsdl:messages` container node are all of the messages. In this case, there are two: the "`GetLastTradePriceInput`" input message and "`GetLastTradePriceOutput`" output message for the "`GetLastTracePrice`" operation defined a bit later in the structure. Note how these messages contain the name, namespace URI, and REFERENCE to the corresponding `element` node in the embedded schema content. (If the element reference could not be resolved, REFERENCE property would not be set.)

Within the `wsdl:portTypes` container node are all of the port types. In this example, there is just one: the "`StockQuotePortType`" that contains a single "`GetLastTradePrice`" operation. Here, the operation's input and output reference the corresponding message nodes vi the name, namespace URI, and REFERENCE property. Again, the REFERENCE property would not be set if the input and/or output use a message that is not in this WSDL file.

Within the `wsdl:bindings` container node are all of the bindings defined in the WSDL. In this example, there is just a single binding that uses SOAP extensions, which describe all of the SOAP-specific information for the port type. The sequencer also supports HTTP and MIME extensions. And node how the input, output and faults of each binding operation reference (using the name, namespace URI, and REFERENCE properties) the corresponding input, output and fault (respectively) in the correct port type.

Finally, within the `wsdl:services` container node are all of the services defined in the WSDL. In this example, there is just a single SOAP service that references the "`StockQuotePortType`" port type.

This example shows the basic structure this sequencer derives from WSDL 1.1 files. Not only does this structure mirror that of the actual WSDL file, but it makes this structure easy to navigate, search and query, especially when it includes the names and namespace URIs of the referenced components (and setting REFERENCE properties to the referenced component where possible).

## 23.2. Node Types

The WSDL 1.1 sequencer follows JCR best-practices by defining all nodes to have a primary type that allows any single or multi-valued property, meaning it's possible and valid for any node to have any property (with single or multiple values). This sequencer doesn't add any such properties or nodes, but you are free to annotate the structure as needed.

The compact node definitions for the "wsdl" namespace are as follows:

    <jcr='http://www.jcp.org/jcr/1.0'>
    <nt='http://www.jcp.org/jcr/nt/1.0'>
    <mix='http://www.jcp.org/jcr/mix/1.0'>
    <sramp = "http://s-ramp.org/xmlns/2010/s-ramp">
    <xs = "http://www.w3.org/2001/XMLSchema">
    <wsdl = "http://schemas.xmlsoap.org/wsdl/">

    //------------------------------------------------------------------------------
    // N O D E T Y P E S
    //------------------------------------------------------------------------------

    [wsdl:wsdlExtension] > sramp:derivedArtifactType
    - wsdl:ncName (string)
    - wsdl:namespace (uri) mandatory

    [wsdl:wsdlDerivedArtifactType] > sramp:derivedArtifactType abstract
    - wsdl:namespace (uri) mandatory
    + * (wsdl:wsdlExtension)

    [wsdl:namedWsdlDerivedArtifactType] > wsdl:wsdlDerivedArtifactType
    - wsdl:ncName (string) mandatory

    /*
     * Messages and parts
     */
    [wsdl:part] > wsdl:namedWsdlDerivedArtifactType
    - wsdl:element (reference) < 'xs:elementDeclaration'
    - wsdl:elementName (string)
    - wsdl:elementNamespace (uri)
    - wsdl:type (reference) < 'xs:simpleTypeDefinition'
    - wsdl:typeName (string)
    - wsdl:typeNamespace (uri)

    [wsdl:message] > wsdl:namedWsdlDerivedArtifactType
    + * (wsdl:part) = wsdl:part multiple

    /*
     * Port types, operations, inputs, outputs, and faults
     */
    [wsdl:operationInput] > wsdl:namedWsdlDerivedArtifactType
    - wsdl:message (reference) mandatory < 'wsdl:message'

    [wsdl:operationOutput] > wsdl:namedWsdlDerivedArtifactType
    - wsdl:message (reference) mandatory < 'wsdl:message'

    [wsdl:fault] > wsdl:namedWsdlDerivedArtifactType
    - wsdl:message (reference) mandatory < 'wsdl:message'

    [wsdl:operation] > wsdl:namedWsdlDerivedArtifactType
    - wsdl:parameterOrder (string) multiple
    + wsdl:input (wsdl:operationInput) = wsdl:operationInput
    + wsdl:output (wsdl:operationOutput) = wsdl:operationOutput
    + wsdl:fault (wsdl:fault) = wsdl:fault sns

    [wsdl:portType] > wsdl:namedWsdlDerivedArtifactType
    + * (wsdl:operation) sns

    /*
     * Bindings, binding operations, inputs, outputs
     */
    [wsdl:bindingOperationOutput] > wsdl:namedWsdlDerivedArtifactType
    - wsdl:input (reference) < 'wsdl:operationInput'
    - wsdl:inputName (string)

    [wsdl:bindingOperationInput] > wsdl:namedWsdlDerivedArtifactType
    - wsdl:output (reference) < 'wsdl:operationOutput'
    - wsdl:outputName (string)

    [wsdl:bindingOperationFault] > wsdl:namedWsdlDerivedArtifactType

    [wsdl:bindingOperation] > wsdl:namedWsdlDerivedArtifactType
    + wsdl:input (wsdl:bindingOperationInput) = wsdl:bindingOperationInput
    + wsdl:output (wsdl:bindingOperationOutput) = wsdl:bindingOperationOutput
    + wsdl:fault (wsdl:bindingOperationFault) = wsdl:bindingOperationFault sns

    [wsdl:binding] > wsdl:namedWsdlDerivedArtifactType
    - wsdl:type (reference) < 'wsdl:portType'
    + * (wsdl:bindingOperation) sns

    /*
     * Ports and services
     */
    [wsdl:port] > wsdl:namedWsdlDerivedArtifactType
    - wsdl:binding (reference) < 'wsdl:binding'
    - wsdl:bindingName (string)
    - wsdl:bindingNamespace (uri)

    [wsdl:service] > wsdl:namedWsdlDerivedArtifactType
    + * (wsdl:port) sns

    /*
     * Types, schemas, and schema references
     */
    [wsdl:referencedXsd] > sramp:derivedArtifactType abstract
    - xs:id (string)
    - xs:schemaLocation (string)
    - * (undefined) multiple
    - * (undefined)

    [wsdl:importedXsd] > wsdl:referencedXsd
    - xs:namespace (uri) mandatory

    [wsdl:includedXsd] > wsdl:referencedXsd

    [wsdl:redefinedXsd] > wsdl:referencedXsd

    /*
     * The containers for the different kinds of components within WSDL documents.
     * Strictly speaking, the containers should not allow SNS, but these components'
     * names in WSDL are QNames, and we're only using the local part for the node name.
     * Therefore, two components might have the same local part but different namespaces.
     * (This is probably not a common occurance.)
     */
    [wsdl:container] > sramp:derivedArtifactType abstract
    - * (string)
    - * (string) multiple

    [wsdl:messages] > wsdl:container
    + * (wsdl:message) = wsdl:message sns

    [wsdl:portTypes] > wsdl:container
    + * (wsdl:portType) = wsdl:portType sns

    [wsdl:bindings] > wsdl:container
    + * (wsdl:binding) = wsdl:binding sns

    [wsdl:services] > wsdl:container
    + * (wsdl:service) = wsdl:service sns

    /*
     * WSDL documents
     */
    [wsdl:wsdlDocument] > sramp:xmlDocument
    - wsdl:importedXsds (weakreference) multiple < 'xs:schemaDocument'
    - wsdl:includedXsds (weakreference) multiple < 'xs:schemaDocument'
    - wsdl:redefinedXsds (weakreference) multiple < 'xs:schemaDocument'
    - wsdl:importedWsdls (weakreference) multiple < 'wsdl:wsdlDocument'
    + wsdl:schema (xs:schemaDocument) = xs:schemaDocument sns
    + wsdl:importedXsd (wsdl:importedXsd) sns
    + wsdl:includedXsd (wsdl:includedXsd) sns
    + wsdl:redefinedXsd (wsdl:redefinedXsd) sns
    + wsdl:messages (wsdl:messages) = wsdl:messages
    + wsdl:portTypes (wsdl:portTypes) = wsdl:portTypes
    + wsdl:bindings (wsdl:bindings) = wsdl:bindings
    + wsdl:services (wsdl:services) = wsdl:services

    // -------------------------------------------------------
    // HTTPWSDL Model
    // -------------------------------------------------------

    [wsdl:httpExtension] > wsdl:wsdlExtension

    [wsdl:httpAddress] > wsdl:httpExtension
    - wsdl:location (uri) mandatory

    [wsdl:httpBinding] > wsdl:httpExtension
    - wsdl:verb (string) mandatory

    [wsdl:httpOperation] > wsdl:httpExtension
    - wsdl:location (uri) mandatory

    [wsdl:httpUrlEncoded] > wsdl:httpExtension

    [wsdl:httpUrlReplacement] > wsdl:httpExtension

    // -------------------------------------------------------
    // SOAPWSDL Model
    // -------------------------------------------------------

    [wsdl:soapExtension] > wsdl:wsdlExtension

    [wsdl:soapAddress] > wsdl:soapExtension
    - wsdl:soapLocation (uri) mandatory

    [wsdl:soapBinding] > wsdl:soapExtension
    - wsdl:style (string)
    - wsdl:transport (uri)

    [wsdl:soapOperation] > wsdl:soapExtension
    - wsdl:style (string)
    - wsdl:soapAction (uri)

    [wsdl:soapBody] > wsdl:soapExtension
    - wsdl:encodingStyle (uri) multiple
    - wsdl:parts (string)
    - wsdl:use (string) < 'literal','encoded'

    [wsdl:soapFault] > wsdl:soapExtension
    - wsdl:encodingStyle (uri) multiple
    - wsdl:use (string) < 'literal','encoded'

    [wsdl:soapHeader] > wsdl:soapExtension
    - wsdl:message (string)
    - wsdl:part (string)
    - wsdl:encodingStyle (uri) multiple
    - wsdl:use (string) < 'literal','encoded'
    + * (wsdl:soapHeaderFault) = wsdl:soapHeaderFault

    [wsdl:soapHeaderFault] > wsdl:soapExtension
    - wsdl:encodingStyle (uri) multiple
    - wsdl:use (string) < 'literal','encoded'

    // -------------------------------------------------------
    // SOAPMIME Model
    // -------------------------------------------------------

    [wsdl:mimeExtension] > wsdl:wsdlExtension

    [wsdl:mimeMultipartRelated] > wsdl:mimeExtension
    + wsdl:mimePart (wsdl:mimePart) sns

    [wsdl:mimePart] > wsdl:mimeExtension
    + * (wsdl:mimeExtension) sns

    [wsdl:mimeContent] > wsdl:mimeExtension
    - wsdl:mimeType (string)
    - wsdl:mimePart (string)

    [wsdl:mimeXml] > wsdl:mimeExtension
    - wsdl:mimePart (string)

These types use some of the node types and mixins defined in the "sramp" namespace:

    <jcr='http://www.jcp.org/jcr/1.0'>
    <nt='http://www.jcp.org/jcr/nt/1.0'>
    <mix='http://www.jcp.org/jcr/mix/1.0'>
    <sramp = "http://s-ramp.org/xmlns/2010/s-ramp">

    //------------------------------------------------------------------------------
    // N O D E T Y P E S
    //------------------------------------------------------------------------------

    // -------------------------------------------------------
    // S-RAMP Core Model Artifacts
    // -------------------------------------------------------

    [sramp:baseArtifactType] > mix:created, mix:lastModified, mix:referenceable, mix:versionable abstract mixin
    - sramp:classifiedBy (reference) multiple < 'owl:class'
    - sramp:description (string)
    - * (string)
    - * (string) multiple

    [sramp:documentArtifactType] > sramp:baseArtifactType abstract mixin
    - sramp:contentType (string)
    - sramp:contentSize (long)

    [sramp:xmlDocument] > sramp:documentArtifactType mixin
    - sramp:contentEncoding (string) mandatory

    [sramp:document] > sramp:documentArtifactType mixin

    [sramp:derivedArtifactType] > sramp:baseArtifactType abstract mixin
    - sramp:relatedDocuments (reference) < 'sramp:documentArtifactType'

    [sramp:userDefinedArtifactType] > sramp:baseArtifactType mixin
    - sramp:userType (string) mandatory

    [sramp:storedQuery] > nt:query
    - sramp:propertyList (string) multiple

    [sramp:relatedTo] mixin
    - * (weakreference) multiple

## 23.3. Configuration

To use this sequencer, simply include the appropriate version of the Maven artifact with a "`org.modeshape`" group ID and "`modeshape-sequencer-wsdl`" artifact ID. Or, if you're using JAR files and manually setting up the classpath for your application, use the "`modeshape-sequencer-wsdl-2.7.0.Final-jar-with-dependencies.jar`" file. Then, define a sequencing configuration in the ModeShape configuration, using something similar to:

    <configuration xmlns:mode="http://www.modeshape.org/1.0"

                   xmlns:jcr="http://www.jcp.org/jcr/1.0">

        <mode:sequencers>

              ...

            <mode:sequencer jcr:name="WSDL Sequencer"

                            mode:classname="org.modeshape.sequencer.wsdl.WsdlSequencer">

                <mode:description>Sequences WSDL 1.1 files (e.g., *.wsdl) loaded into the

                     repository under '/files', extracting the WSDL components as well as

                     any XSD components contained within an embedded XSD.

                </mode:description>

                <!-- Note this path expression captures the path below '/files' (in the

                     'store' source and 'default' workspace only), including the filename,

                     and places the sequenced content under the same relative path below

                     '/sequenced/wsdl'. For example, if a WSDL file is uploaded to

                     '/files/my/favorites/Customers.wsdl', then the sequenced output will

                     be placed at the '/sequenced/wsdl/my/favorites/Customer.wsdl' node,

                     which will have a primary type of 'wsdl:wsdlDocument' and will

                     contain under it the nodes representing the WSDL components. Of

                     course, the path expression can be modified as needed; for example,

                     to exclude the filename extension, or to exclude the relative path.

                     -->

                <mode:pathExpression>/files(//)*.wsdl[*]/jcr:content[@jcr:data]

                                  => /sequenced/wsdl/$1 </mode:pathExpression>

            </mode:sequencer>

            ...

        </mode:sequencers>

        ...

    </configuration>

or using the `JcrConfiguration`:

    JcrConfiguration config = ...

    config.sequencer("WSDL Sequencer")

          .usingClass(WsdlSequencer.class)

          .setDescription("Sequences WSDL 1.1 files")

          .sequencingFrom("/files(//)(*.wsdl[*])/jcr:content[@jcr:data]")

          .andOutputtingTo("/sequenced/wsdl/$1");

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