Result type action struts 2 download

The framework provides several implementations of the com. Struts framework checks the string returned by the action class, if it returns success, result page for the action is invoked whose name is success or has no name. Results value stack ognl action in struts 2 framework struts 2 interceptors struts 2. Basically, struts provides you with a few result types. Also note that parameters names in result are looked up in the value stack.

Please be aware that this was changed since struts 2. Struts 2 no result defined for action and result input. Result, used to stream an inputstream back to the browser usually for file downloads. Heres an example that shows how to define this result type inside an action element in struts. Most often, results are nested with the action element. None or null from an action class method causes the results processing to be skipped.

Weve already seen dispatcher, the default result type used to dispatch to jsp pages. Each package may set a default result type to be used if none is specified in a result. Learn how to integrate struts 2 and tiles using the struts2 tiles plugin. The result type jasper which is defined in the result annotation on the class class pl. With new core struts 2 library wrapper module of version 2. In the deployment descriptor first setup the tiles definition file. The action download must check some validations before download all size, number of files and this possible message errors must to be in the same popup, for this reason i tried to change the targets based on action result name. Struts 2 action is at the front of our application that takes care of handling client requests.

Repack of struts2 support plugin available for netbeans version 6. Type success in the name field, select dispatcher from the result type dropdown, browse for loginpage. Login and logout using session in struts 2 websparrow. Ok, what that means in basic terms is that in the response that is sent back to the client, the response is the javascript object that represents the action class, and the attributes of the javascipt object are actually named after the public. In this page, we will learn struts 2 json integration using annotation.

Easy steps to learn struts 2 struts2 application in eclipse. Result interface, ready to use in your own applications. A struts 2 example to show the use of custom result type to allow user to download file. Action in action class, declared an inputstream data type and its getter method. Result configuration apache struts apache software. Downloadaction and result success here is the code struts. Create dynamic web project named struts2firstproject. Struts allow you to use other markup languages for the view technology to present the results and popular choices include velocity, freemaker, xslt and tiles. Struts automatically manage the view forwards in this case. Aug 28, 2012 struts2 provides a firstclass support to freemarker template.

Struts 2 is the combination of webwork framework of opensymphony and struts 1. Also note that we have define a new action customerform. This is the method where we define the behavior of the current action. Result types apache struts 2 wiki apache software foundation. The action class manages the applications state, and the result type manages the view. Reportgenerateaction or determined by the file extension or is the default result type for the packageconfig of the action, could not be found as a result type defined for the struts xwork package pl. Results and result types in struts 2 struts tutorial by. For prior notes in this release series, see version notes 2. Running the application in eclipse ide struts 2 hello world application using eclipse interceptors in struts 2 struts 2 action tag struts 2 in agile development environment struts 2 ui tags generic tags creating. For configuring struts 2 in your eclipse ide please refer configuring struts 2 link. In this tutorial, i am going to show you how to download file in struts 2 using custom result type configured in struts. Select the latest general availability ga release, e.

Action in action class, declared an inputstream data type and. Struts2 comes with default list of interceptors already configured in the application in struts default. Secondly, the action must assist the framework in determining which result should render the view that will be returned in the response to the request. Aug 23, 20 the struts 2 json plugin allows you to create an action that can be serialized into a json object. The following example shows how to integrate struts 2 and tiles using the struts2 tiles plugin. Struts 2 provide rest plugin to implement rest web service. This video tutorial explains about the struts 2 action classes and their role as controllers, data carriers and the result type returns. Apr 07, 2011 this video tutorial explains about the struts 2 action classes and their role as controllers, data carriers and the result type returns. If you are a maven user, you might want to get started using the maven archetype. You can choose between the standard set of result tokens or set a custom name. On success of the action we forward the request to webinfftlindex.

This chapter will introduce you to all the results and its types used in struts 2 web application development. The following four properties are required to configure the result of stream type. Reportgenerateaction or determined by the file extension or is the default result type for the packageconfig of the action, could not be found as a resulttype defined for the strutsxwork package pl. The struts 2 json plugin allows you to create an action that can be serialized into a json object. Conventionally action class name is written with controller suffix. The action method should return result as json type. The result configuration is what maps an actions return value a simple string to a jsp page, a redirect, another action, and so on. You can have your action method return not a string result, but a result of type streamresult. Predefined result types the framework provides several implementations of the com. Very useful for allowing users to download content.

All one has to do is to define result type freemarker. Steps to create struts 2 application example tutorial. This video also talks about the packages and namespaces. Struts comes with a number of predefined result types and whatever weve already seen that was the default result type dispatcher, which is used to dispatch to jsp pages. Understand how to implement file download action class in struts with a. Struts 2 provides the stream result type, which is specifically used to support the file download function. This chapter will introduce you to all the results and its types used in struts 2 web. The output of action is rendered in the view jsp, velocity, etc and the result is returned to the user. Depending on the value of the result type attribute, the list of proposals will show different results. The list of proposals will show struts2 standard results names. Struts2, spring and resulttype jaspersoft community. This result type is used in result tag for different actions. So, if you expose a getter like getinputname in the action means that you want to. This struts 2 tutorial will explain how to manage the session in struts 2 and develop a login and logout module on the basis of session.

The action class manages the applications state, and the result type. Struts 2 rest web service supports different contenttype response. To achieve it we need to define result type as json. Struts 2 actions actionsupport modeldriven wildcards.

Jul 01, 2016 a struts 2 example to show the use of custom result type to allow user to download file. Results and result types in struts 2 struts tutorial by wideskills. This result type is used in tag for different actions. Welcome download releases announcements license thanks. I am doing the report build in one action and then moving to another page. You dont necessarily have to return a string from a struts2 action method. Customizestreamresult which is defined in the result annotation on the class class action. Struts2 provides a firstclass support to freemarker template. Heres an example that shows how to define this result type inside an element in struts. Well examine it along with some of the more common result types such as the redirect and freemarker results.

Firstly, the action plays an important role in the transfer of data from the request through to the view, whether its a jsp or other type of result. Added experimental support for xwork validation features. Return string result type from struts2 stack overflow. There are some predefined result types also which are returned by the action.

I need the download option to come when i move to the page after report build. The runtime libraries are kept in subdirectory lib, which includes 71 jarfiles. The list of proposals will show struts2 result types. Struts 2 redirect action the redirect result type calls the standard response. No result defined for action and result input, struts2 404 error, fix for no result defined for action and result input, struts 2 input result success name. Results and result types apache struts 2 web application. Struts 2 download file example how to configure the file. In our example, we allow user to download and save content in pdf format. Migrating from struts 1 to struts 2 raible designs. You will notice that in any struts 2 application, there is an action class associated with different type of client action. There are a few things that need to be done in order to use json with struts 2. In this example, we are going to use sessionaware interface that must be implemented by the action class.

When a server page is rendered, most often it will include dynamic data provided by the action. Action is executed and the result is generated by action. Struts 2 rest web service supports different content type response. For json, you will require a new result type, because. Jul 28, 20 struts comes with a number of predefined result types and whatever weve already seen that was the default result type dispatcher, which is used to dispatch to jsp pages. I am trying to download a file with struts2 but when i click on the hyperlink to download the file i am getting no result defined for action com. This page will provide the struts 2 and rest web service integration example. Nov 28, 2014 the action download must check some validations before download all size, number of files and this possible message errors must to be in the same popup, for this reason i tried to change the targets based on action result name. In a secure application, a client might try to access a page without being authorized, and many actions may need access to a logon result.