Introducing Spring Framework

Chapter 17 ■ Be Social and Go Mobile
@Service("documentFacade")
public class DocumetServiceFacade implements DocumentService {
@Autowired
DocumentDAO documentDAO;
@Autowired
DocumentTweet documentTweet;
public List getAllDocuments(){
return documentDAO.getAll();
}
public Document saveDocument(String id, Document document) {
Document documentResult = documentDAO.save(id, document);
}
if("WEB".equals(documentResult.getType().getName())){
StringBuilder tweetText = new StringBuilder("My Documents App - A Book update: ");
tweetText.append(documentResult.getName());
tweetText.append(". Check it out: ");
tweetText.append(documentResult.getLocation());
documentTweet.tweet(tweetText.toString());
}
return documentResult;
public Document removeDocumentById(String id) {
return documentDAO.removeById(id);
}
public Document findDocumentById(String id){
return documentDAO.findById(id);
}
public boolean updateLocationFromDocumentId(String documentId, String location) {
Document document = documentDAO.findById(documentId);
if(null == document)
return false;
document.setLocation(location);
saveDocument(documentId, document);
return true;
}
public List findByType(Type type) {
return documentDAO.findByTypeName(type.getName());
}
}
In Listing 17-5, you added the DocumentTweet class and added some code to the saveDocument method. You are
adding logic that says if a document is a web type (note that so far you have three types of documents: PDF, note,
and web), you are going to tweet about it.
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