February 2002
Beginner
308 pages
8h 39m
English
Content preview from Web Services EssentialsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Complex Types
Our final topic is the use of complex data types. For example, consider a home monitoring service that provides a concise update on your home. The data returned could include multiple data elements, such as the current temperature, security status, and whether the garage door is open or closed. Encoding this data into WSDL requires additional knowledge of XML Schemas, which reinforces the main precept that the more you know about XML Schemas, the better you will understand complex WSDL files.
To explore complex types, consider the WSDL file in Example 6-10. This WSDL file describes our Product Service from Chapter 5. The complex types are indicated in bold.
Example 6-10. ProductService.wsdl
<?xml version="1.0" encoding="UTF-8"?> <definitions name="ProductService" targetNamespace="http://www.ecerami.com/wsdl/ProductService.wsdl" xmlns="http://schemas.xmlsoap.org/wsdl/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tns="http://www.ecerami.com/wsdl/ProductService.wsdl" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsd1="http://www.ecerami.com/schema"> <types> <xsd:schema targetNamespace="http://www.ecerami.com/schema" xmlns="http://www.w3.org/2001/XMLSchema"> <xsd:complexType name="product"> <xsd:sequence> <xsd:element name="name" type="xsd:string"/> <xsd:element name="description" type="xsd:string"/> <xsd:element name="price" type="xsd:double"/> <xsd:element name="SKU" type="xsd:string"/> </xsd:sequence> </xsd:complexType> </xsd:schema> </types> <message ...
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