How to write action class in struts 2 api

Struts 2 Ajax Tutorial with Example Introduction of Struts 2 Framework Apache Struts 2 is an elegant, extensible framework for creating enterprise-ready Java web applications. The framework is designed to streamline the full development cycle, from building, to deploying, to maintaining applications over time. Apache Struts2 was originally known as WebWork 2.

How to write action class in struts 2 api

how to write action class in struts 2 api

We will use Struts2 built-in FileUploadInterceptor in our example to upload the file. The Struts 2 File Upload Interceptor is based on MultiPartRequestWrapper, which is automatically applied to the request if it contains the file element.

Jsp - Struts 2: how set a property value of a bean of an action using tags? - Stack Overflow

Required JAR file Before we start, we need to make sure commons-io. Following are the list of required Jar files. Getting Started In order to add file upload functionality we will add an action class FileUploadAction to our project.

If setter method of these fields are provided, struts2 will set the data. This is just to get some extra information of uploaded file. Also follow the naming standard if you providing the content type and file name string.

The name should be ContentType and FileName. For example if the file attribute in action file is private File uploadedFile, the content type will be uploadedFileContentType and file name uploadedFileFileName.

Also note in above action class, we have implemented interface org. This is to get servletRequest object. We are using this path to save the uploaded file in execute method.

We have used FileUtil. This file will be retrieved in JSP page and displayed to user. On submit, the file will be uploaded and saved on server. User will be sent to SuccessUserImage.

Copy following code into it. These are optional parameters that we can specify to interceptor. The maximumSize param will set the maximum file size that can be uploaded. By default this is 2MB. And the allowedTypes param specify the allowed content types of file which can be uploaded.

Struts 2 File Upload and Save Tutorial attheheels.com2 File Upload. File Upload in Struts2

The file upload interceptor also does the validation and adds errors, these error messages are stored in the struts-messsages. The values of the messages can be overridden by providing the text for the following keys: It was like a piece of cake to implement File Upload with Struts2.

In next part we will see Struts2 Ajax Example.struts 1x Dispatch Action with example program In Eclipse struts 1x Forward Action with example program In Eclipse; struts 1x Validation with example program In Eclipse DispatchAction Lookup LookupDispatch LookupDispatchAction LookupDispatchAction Struts Extras API Struts struts 1x Lookup Dispatch Action with example program In.

I have a bean inside my action (here the code) public class FPFController extends ActionSupport{ private FPFParameters fPFParameters; public FPFParameters getFPFParameters(){ return.

Previous Next In this tutorial, it shows the integration between Struts 2 and Spring3. Why you want to integrate spring with struts 2? Spring provides some features which are not available in struts attheheels.com powerful among them is dependency injection.

To learn more about dependency injection, you can refer dependency injection in spring link.

how to write action class in struts 2 api

The action tag is a generic tag that is used to call actions directly from a JSP page by specifying the action name and an optional namespace.

The body content of the tag is used to render the results from the Action. Any result processor defined for this action in attheheels.com will be ignored, unless the executeResult parameter is specified. In Struts 2, the “name” will maps to the JavaBean property automatically. In this case, on form submit, the textbox value with “name=’username'” will call the corresponds Action’s setUsername(String xx) to .

Today we will see how to do File Upload in Struts2. We will use Struts2 built-in FileUploadInterceptor in our example to upload the file. The Struts 2 File Upload Interceptor is based on MultiPartRequestWrapper, which is automatically applied to the request if it contains the file element.

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