Today, I would like to share an easy way to parse a JSON string into a List of Java objects in a few lines of code. Imagine the situation where you need to create a List of complex objects from a JSON array in Java, for example if we have this kind of input: […
Sometimes when you do a request to a Java service you will need to add some custom headers in the response, for example, today I was creating a service to get the current logged user data and I realized one client was storing (creating a cache) the response and sometimes the service was not working…
Today, I was integrating a custom JSP component into IBM WCM and I noticed some characters were not displaying as expected, after looking into the generated source code in Firefox I realized the used encoding was ISO-8859-1, let me explain what ISO-8859-1 means… According the W3C the ISO-8859-1 encoding: ISO-8859-1 is the default character set in…
This is a little tip for today: sometimes, you don’t have access to know what version of jQuery is loaded in a website or web application, so you can use the Firebug console to know what version is actually loaded. Just, type one of the next lines and you will obtain that data. Both major…
Imagine next situation: You have too many files without extension but you know they are valid HTML files, so you have to add an “.html” extension to all these files. Now, if you need to rename thousands of files you will need to do it with a script, definitely. In order to make this happen,…
If you are trying to add an XML attribute in an XML entry using JAXB this information is for you. First of all you need to understand what an attribute in a XML entry means: in strict sense an attribute provides additional information about an element, this information could be useful to add metadata, states of…
Today, I spent a lot of time trying to render an ImageComponent using the WCM 6 API, because when I used the method render() from the workspace this error was appearing: IWKMU1026X: File not found The thing is, almost all in the web point to a permission issue, but at the end my solution is…
If you are using Spring to create an awesome enterprise application and you are a beginner like me this article is for you. Today when I was integrating new configurations to Spring MVC to an existing project an error appeared, this error was related with <mvc-anotation-driven /> annotation. At the beginning I thought it would…
Today, when I was creating a RESTful service in JavaEE for a dynamic web application to run in IBM® WebSphere Application Server (WAS) an error like this was appearing: Class has two properties of the same name “userId” this problem is related to the following location: at public java.lang.String com.rest.model.UserProfile.getUserId() at com.rest.model.UserProfile this problem is…
Hi my friends! Last week, we needed to add an action that could be thrown when a product was published on Virtuemart 2.x, for that reason a good solution was to implement a trigger in MySQL. At the beginning it seemed to be something simple and fast, but no at all, I spent more that…