Apex Developer Guide

Apex Developer Guide
Getting Started with Apex
Writing Apex
Running Apex
Invoking Apex
Apex Transactions and Governor Limits
Using Salesforce Features with Apex
Integration and Apex Utilities
Invoking Callouts Using Apex
Adding Remote Site Settings
Named Credentials as Callout Endpoints
SOAP Services: Defining a Class from a WSDL Document
Generated WSDL2Apex Code
Test Web Service Callouts
Performing DML Operations and Mock Callouts
Considerations Using WSDLs
Invoking HTTP Callouts
Using Certificates
Callout Limits and Limitations
Make Long-Running Callouts from a Visualforce Page
JSON Support
XML Support
Securing Your Data
Encoding Your Data
Using Patterns and Matchers
Debugging, Testing, and Deploying Apex
Apex Language Reference
Appendices
Glossary
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Generated WSDL2Apex Code

You can generate Apex classes from a WSDL document using the WSDL2Apex tool. The WSDL2Apex tool is open source and part of the Force.com IDE plug-in for Eclipse.

You can find and contribute to the WSDL2Apex source code in the WSDL2Apex repository on GitHub.

The following example shows how an Apex class is created from a WSDL document. The Apex class is auto-generated for you when you import the WSDL.

The following code shows a sample WSDL document.

From this WSDL document, the following Apex class is auto-generated. The class name docSample is the name you specify when importing the WSDL.

Note the following mappings from the original WSDL document:

  • The WSDL target namespace maps to the Apex class name.
  • Each complex type becomes a class. Each element in the type is a public field in the class.
  • The WSDL port name maps to the stub class.
  • Each operation in the WSDL maps to a public method.

You can use the auto-generated docSample class to invoke external Web services. The following code calls the echoString method on the external server.