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Reading a json object from a file or writing a json object in a file is always a task that you have to do it. Because I was always in the situation to do this, I was thinking to propose here a really simple example. Let’s suppose that we have a file with the following content: [ { "name":"Test", "age":20 }, { "name":"Test Second", "age":21 } ] I have the JSON saved in a file named persons.json and stored in a location on the hard drive. Now we define a POJO for the JSON above: ``` [Read more...]

Today I want to talk about an interesting problem changing from relative to absolute urls in AEM generated html. When I first heard about this my mind already was thinking to transformers. I was reading about the transformers in the documentation Sling documentation and trying to understand how it works. I realized that this could actually help me to solve the problem. [Read more...]

JWT token is a standard which allows us to transfer JSON objects between applications securely. It is no a way to encrypt the information in order to prevent steeling it. Anybody can decrypt your token if it has it. You can try to decrypt the token at jwt.io. We can usually use the JWT token in an authorization process or for exchanging information between applications. [Read more...]

Today I am going to write about HTL. HTL comes from HTML Template Language and is the recommended server-side template system for the HTML in AEM. This was introduced to take place of the JSP (JavaServer Pages) which was used in the previous versions of AEM. [Read more...]

Last problem that I had to work was actually to convert all the apache felix annotation to the new R6 OSGI annotation. Anybody who is working in an AEM project knows that once you update your project to run with the AEM 6.4 server you have to update the annotation of all your services, servlets, components to the R6 OSGI. [Read more...]