Where to put validation xml file in Struts2?

Where to put validation xml file in Struts2?

xml. In the example application, the XML validation file is named EditAction-validation. xml (see src/main/resources/org/apache/struts/edit/action). Struts 2 provides several different validators that you can use in the XML validation file.

How do I add validation to xml?

In this article

  1. Summary.
  2. Requirements.
  3. Create an XML document.
  4. Create a DTD and link to the XML document.
  5. Perform validation by using a DTD.
  6. Create an XDR schema and link to the XML document.
  7. Perform validation by using an XDR schema.
  8. Create an XSD schema and link to the XML document.

What should be the name of xml file used for validation in Struts?

The plug-in definition must be provided in the struts-config. xml file. The Validator is used to validate the form data. So, you need not write any code in your Form Beans for validations or storing error messages.

Which type of validation we must implement the Validatable interface?

1) By Custom Validation Here, we must implement the Validateable interface (or extend ActionSupport class) and provide the implementation of validate method. 2) By Input Validation (built-in validators) Struts 2 provides a lot of predefined that can be used in struts 2 application to perform validation.

What is XML document validation?

XML validation is the process of checking a document written in XML (eXtensible Markup Language) to confirm that it is both well-formed and also “valid” in that it follows a defined structure. A well-formed document follows the basic syntactic rules of XML, which are the same for all XML documents.

What is web xml Struts 2?

The web. xml web application descriptor file represents the core of the Java web application, so it is appropriate that it is also part of the core of the Struts framework. In the web. xml file, Struts defines its FilterDispatcher, the Servlet Filter class that initializes the Struts framework and handles all requests.