Validating sax parser call first Sexchat roulette online chat
But when you need to modify an XML structure - especially when you need to modify it interactively - an in-memory structure makes more sense. However, although DOM provides many powerful capabilities for large-scale documents (like books and articles), it also requires a lot of complex coding.The details of that process are highlighted in When to Use DOM in the next chapter.So it is easy to vary the way you process text (for example), because you can process it multiple places in the program (for more detail, see Further Information).
This protocol is frequently used by servlets and network-oriented programs that need to transmit and receive XML documents, because it is the fastest and least memory-intensive mechanism that is currently available for dealing with XML documents, other than the Streaming API for XML (St AX).
You see the data as it streams in, but you cannot go back to an earlier position or leap ahead to a different position.
In general, such parsers work well when you simply want to read data and have the application act on it.
As shown in Document Events, the application's event handling methods throw can be constructed using a message, another exception, or both.
Because the default parser only generates exceptions for fatal errors, and because the information about the errors provided by the default parser is somewhat limited, the , which are updated to send the appropriate messages about the nature and location of the errors in the document.