Chapter 9. Invoking Web Services

In the previous chapter, we introduced the concepts of the Service Consumer and Service Provider layers. We are sure that the topics we covered in the Service Provider section left you wanting to learn more, especially about the capabilities of WEF to access and manipulate backend data. Good for you, because this is exactly what we will cover in this chapter.

We dedicate this entire chapter to working with the Web Service Call builder as well as all the related builders and techniques that you will find in a commercial grade WEF project accessing data and business logic through web services. So, we go beyond the basics of simply describing the Web Service Call builder.

You will learn about the following concepts:

• Portal projects leveraging web services

• The Web Service Call builder

• Web service inputs from other builders

• Data transformation and manipulation of service response

• Transform builders

• IXml Java interface

To help you better understand the Web Service Call...