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Assemble the Social Web with zembly by Chris Webster, Todd Fast, Paul Anderson, Gail Anderson

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7 Working with Dapper

Dapper is a content extractor for feeds and HTML streams. Content extractors let you consume data that is not accessible from existing interfaces. Dapper creates feeds from web site content modified by the input you provide. This feed is called a Dapp. With zembly, you can access Dapps you build as services and then build widgets to create your applications. Dapper is particularly useful from zembly, because you can provide an API interface (a Dapp) for content providers that do not have adapters on zembly. In this chapter, you will see how to create several Dapps and use them with zembly to build services and widgets. ...

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