BPEL process to create a PDF and send it as attachment in SOAP response

Question

We have a requirement to have a webservice created using BPEL, which can receive input from a client and create a PDF using the input and send the PDF as attachment in the SOAP response.
We have found the below link in Oracle docs and our basic understanding on the functionality given is that the MIMEService is being used to read a SOAP attachment from some other service and send it as an attachment in the SOAP response to the requester. As explained above, this doesn't completely satisfy our requirement.
http://docs.oracle.com/cd/E11036_01/integrate.1013/b28981/manipdoc.htm#BABCJIAH
Please suggest if there is any other approach that suites our requirement.
Thanks.

Answer 1

Hi,
I have a Weblogic webservice which returns me a PDF attachment as resposne ( here I have MIME related stuff).I need to get attachment as bpel response.
I have created a BPEL process to invoke the weblogic webservice. I have explictly added the MIME part in bpel.wsdl same as weblogic webservice wsdl.
I tried to assign the response variable( of type base64binary) of bpel.wsdl and my webservice .wsdl . I am getting some error with no attachment.
Below is my xsd used in BPEL.wsdl*
<?xml version="1.0" encoding="UTF-8"?>
<schema attributeFormDefault="unqualified"
     elementFormDefault="qualified"
     targetNamespace="http://xmlns.oracle.com/MIMEApp/test/BPELProcess1"
     xmlns="http://www.w3.org/2001/XMLSchema">
     <complexType name="process">
               <sequence>
                    <element name="input" type="string"/>
               </sequence>
     </complexType>
     <complexType name="processResponse">
               <sequence>
                    <element name="result" type="string"/>
               </sequence>
     </complexType>
<complexType name="GetAttachmentPDF">
<sequence>
<element minOccurs="0" name="Pdf" nillable="false" type="base64Binary"/>
</sequence>
</complexType>
</schema>
Below is my BPEL.wsdl*
<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions name="BPELProcess1"
targetNamespace="http://xmlns.oracle.com/MIMEApp/test/BPELProcess1"
xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
xmlns:client="http://xmlns.oracle.com/MIMEApp/test/BPELProcess1"
xmlns:plnk="http://schemas.xmlsoap.org/ws/2003/05/partner-link/"
xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/">
<!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     TYPE DEFINITION - List of services participating in this BPEL process
     The default output of the BPEL designer uses strings as input and
     output to the BPEL Process. But you can define or import any XML
     Schema type and use them as part of the message types.
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -->
<wsdl:types>
<schema xmlns="http://www.w3.org/2001/XMLSchema">
<import namespace="http://xmlns.oracle.com/MIMEApp/test/BPELProcess1"
schemaLocation="xsd/BPELProcess1.xsd"/>
</schema>
</wsdl:types>
<!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     MESSAGE TYPE DEFINITION - Definition of the message types used as
     part of the port type defintions
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -->
<wsdl:message name="BPELProcess1RequestMessage">
<wsdl:part name="payload" type="client:process"/>
</wsdl:message>
<wsdl:message name="BPELProcess1ResponseMessage">
<wsdl:part name="payload" type="client:processResponse"/>
<wsdl:part name="attachment" type="client:GetAttachmentPDF"/>
</wsdl:message>
<!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     PORT TYPE DEFINITION - A port type groups a set of operations into
     a logical service unit.
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -->
<!-- portType implemented by the BPELProcess1 BPEL process -->
<wsdl:portType name="BPELProcess1">
<wsdl:operation name="process">
<wsdl:input message="client:BPELProcess1RequestMessage"/>
<wsdl:output message="client:BPELProcess1ResponseMessage"/>
</wsdl:operation>
</wsdl:portType>
<!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     PARTNER LINK TYPE DEFINITION
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -->
<plnk:partnerLinkType name="BPELProcess1">
<plnk:role name="BPELProcess1Provider">
<plnk:portType name="client:BPELProcess1"/>
</plnk:role>
</plnk:partnerLinkType>
<wsdl:binding name="BPELProcess1SOAP11Binding" type="client:BPELProcess1">
<soap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="process">
<soap:operation style="rpc"
soapAction="http://xmlns.oracle.com/MIMEApp/test/BPELProcess1/process"/>
<wsdl:input>
<soap:body use="literal"
namespace="http://xmlns.oracle.com/MIMEApp/test/BPELProcess1"/>
</wsdl:input>
<wsdl:output>
<mime:multipartRelated>
<mime:part>
<soap:body use="literal"
namespace="http://xmlns.oracle.com/MIMEApp/test/BPELProcess1"/>
</mime:part>
<mime:part>
<mime:content part="attachment" type="application/pdf"/>
</mime:part>
</mime:multipartRelated>
</wsdl:output>
</wsdl:operation>
</wsdl:binding>
</wsdl:definitions>
Below is my WL WS WSDL*
<?xml version="1.0" encoding="UTF-8"?>
<WL5G3N0:definitions
name="NewWSDLFile"
targetNamespace="http://www.example.org/NewWSDLFile/"
xmlns:WL5G3N5="http://schemas.xmlsoap.org/wsdl/mime/"
xmlns:WL5G3N4="http://schemas.xmlsoap.org/wsdl/soap/"
xmlns:WL5G3N3="http://www.example.org/NewWSDLFile/"
xmlns:WL5G3N2="java:com.rogers.service"
xmlns:WL5G3N0="http://schemas.xmlsoap.org/wsdl/"
xmlns:WL5G3N1="http://www.w3.org/2001/XMLSchema"
>
<WL5G3N0:types>
<xsd:schema attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="java:com.rogers.service"
xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/" xmlns:s="java:com.rogers.service"
xmlns:s0="http://schemas.xmlsoap.org/wsdl/" xmlns:s1="http://www.w3.org/2001/XMLSchema"
xmlns:s2="java:com.rogers.service" xmlns:s3="http://www.example.org/NewWSDLFile/"
xmlns:s4="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:s5="http://schemas.xmlsoap.org/wsdl/mime/"
xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tns="http://www.example.org/NewWSDLFile/"
xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:complexType name="GetAttachmentPDF">
<xsd:sequence>
<xsd:element minOccurs="0" name="Pdf" nillable="false" type="xs:base64Binary"/>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="GetAttachmentResult">
<xsd:sequence>
<xsd:element minOccurs="1" name="Message" nillable="true" type="xs:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:schema>
</WL5G3N0:types>
<WL5G3N0:message name="NewOperationRequest">
<WL5G3N0:part name="GetAttachment" type="WL5G3N1:string"/>
</WL5G3N0:message>
<WL5G3N0:message name="NewOperationResponse">
<WL5G3N0:part name="NewOperationResponse" type="WL5G3N2:GetAttachmentResult"/>
<WL5G3N0:part name="attachment" type="WL5G3N2:GetAttachmentPDF"/>
</WL5G3N0:message>
<WL5G3N0:portType name="NewWSDLFile">
<WL5G3N0:operation name="NewOperation">
<WL5G3N0:input message="WL5G3N3:NewOperationRequest"/>
<WL5G3N0:output message="WL5G3N3:NewOperationResponse"/>
</WL5G3N0:operation>
</WL5G3N0:portType>
<WL5G3N0:binding name="NewWSDLFileSOAP" type="WL5G3N3:NewWSDLFile">
<WL5G3N4:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/>
<WL5G3N0:operation name="NewOperation">
<WL5G3N4:operation soapAction="http://www.example.org/NewWSDLFile/NewOperation"/>
<WL5G3N0:input>
<WL5G3N4:body use="literal" namespace="http://www.example.org/NewWSDLFile/"/>
</WL5G3N0:input>
<WL5G3N0:output>
<WL5G3N5:multipartRelated>
<WL5G3N5:part>
<WL5G3N4:body use="literal" namespace="http://www.example.org/NewWSDLFile/"/>
</WL5G3N5:part>
<WL5G3N5:part>
<WL5G3N5:content part="attachment" type="application/pdf"/>
</WL5G3N5:part>
</WL5G3N5:multipartRelated>
</WL5G3N0:output>
</WL5G3N0:operation>
</WL5G3N0:binding>
<WL5G3N0:service name="NewWSDLFile">
<WL5G3N0:port name="NewWSDLFileSOAP" binding="WL5G3N3:NewWSDLFileSOAP">
<WL5G3N4:address location="http://localhost:7001/something/NewWSDLFileImpl"/>
</WL5G3N0:port>
</WL5G3N0:service>
</WL5G3N0:definitions>
I refered the below link:
http://docs.oracle.com/cd/B14099_19/integrate.1012/b14448/manipdoc.htm.
4.16.1.1 WSDL File Contents
They are using ra:writeBinaryToFile() and ora:ReadBinaryFromFile(). I couldnt get a proper sample to understand the use of these functions.
Please advise.
Regards
Ipsita