xmltodict (full disclosure: I wrote it) can help you convert your XML to a dict+list+string structure, following this “standard”. It is Expat-based, so it’s very fast and doesn’t need to load the whole XML tree in memory. Once you have that data structure, you can serialize it to JSON: import xmltodict, json o = xmltodict.parse(‘<e> … Read more
Validation fails with the message “form:location: Validation Error: Value is not valid” This error boils down to that the selected item does not match any of the available select item values specified by any nested <f:selectItem(s)> tag during processing of the form submit request. As part of safeguard against tampered/hacked requests, JSF will reiterate over … Read more
Converting Int to String: let x : Int = 42 var myString = String(x) And the other way around – converting String to Int: let myString : String = “42” let x: Int? = myString.toInt() if (x != nil) { // Successfully converted String to Int } Or if you’re using Swift 2 or 3: … Read more
Can I use @EJB to inject my service into a @FacesConverter? No, not until JSF 2.3 is released. The JSF/CDI guys are working on that for JSF 2.3. See also JSF spec issue 1349 and this related “What’s new in JSF 2.3?” article of my fellow Arjan Tijms. Only then dependency injection like @EJB, @PersistenceContext, … Read more
A Java Date is a container for the number of milliseconds since January 1, 1970, 00:00:00 GMT. When you use something like System.out.println(date), Java uses Date.toString() to print the contents. The only way to change it is to override Date and provide your own implementation of Date.toString(). Now before you fire up your IDE and … Read more
Introduction JSF generates HTML. HTML is in Java terms basically one large String. To represent Java objects in HTML, they have to be converted to String. Also, when a HTML form is submitted, the submitted values are treated as String in the HTTP request parameters. Under the covers, JSF extracts them from the HttpServletRequest#getParameter() which … Read more
Like this: String no1 = first.Text; String no2 = second.Text; int ans = Int32.Parse(no1) + Int32.Parse(no2); MessageBox.Show(ans.ToString());