This week, we want to take a look at how a client application could use standardization among suppliers to create a custom catalog to present to their customers. Each supplier's product listing will contain information items common to all suppliers, as well as some items unique to that supplier. As a business that sells pencils to the final consumer, we want to take information from the catalogs of various suppliers and assemble our own catalog, to show what we have available.
The solution presented in this column can be adapted to allow aggregation of data from several endpoints that implement the same WSDL. This could be used, for instance, to collect data from a factory floor, or to examine stock trends from NYSE, NASDAQ, and other markets. In other words, you can adapt the information here to any other situation where the Web service client needs to access identical Web services that provide different return messages and then aggregate those results.
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