The data is stored in ActionContext objects that use ThreadLocal to have values specific to the particular request thread. As you can see in architecture diagram, both interceptors and result pages can access data stored on ValueStack using OGNL.
Struts 2 Action components handle the client requests. Struts 2 provides different ways to create Action classes.
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Struts 2 provides their own tags that we can use in JSP pages to create response. First of all we need is Struts 2 jar files, the easiest way is to download it from Struts 2 Official Downloads page. So I will create a maven project and add struts-core dependency only, all the other transitive dependency jars will be automatically downloaded and added to the application. Our final project structure will be like below image. You will notice pom. Notice that I have overridden finalName element to avoid version number getting added in the WAR file when we do maven build.
Other parts are added by Eclipse itself, the only dependency we need is struts2-core whose current version is 2. Just do maven build of the application and you will see a lot of jars added to the application lib directory and shown in Maven Dependencies section of the project like below image. We need to add org. Our web. For Struts 2 version below 2.
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Notice the form field names are name and pwd , we will see how they are used in Action classes. Notice the struts tag s:property that we can use to get request attributes, the name is same as in login. This is a simple JSP page where we are adding error message and including login page in response. Notice the action class is also a java bean with same variables as login. Struts will take care of mapping the request parameters to the action class variables. Since we are using XML based configuration for wiring our application, we need to create Struts configuration file that should be named as struts.
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Thats all for Struts 2 beginners tutorial, check out next article we are using annotations to create Struts 2 Web Application without using struts. Hi Pankaj, I downloaded your project, I did not change anything. Please help me, I am new to struts.
In web. Sir please tell em about maven dependency , after using maven we dont need jar or api? Please give me some information to remove the error. ClassNotFoundException: org. StrutsPrepareAndExecuteFilter at org. Check the version of struts2-core. Try to use higher version of the jar. I have already listed all the steps, from start to end. There is nothing more to it, check if u missed some configurations? And what is the issue you are facing?
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Thanks for these lovely tutorials. I am trying to get into programming and I have chosen Java as my platform. Kindly let me know what are the best practices and approach I should follow to achieve the same. Looking forward for you reply. Your email address will not be published. Leave this field empty. I would love to connect with you personally. Table of Contents 1 Struts Tutorial 1. Pankaj I love Open Source technologies and writing about my experience about them is my passion.
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Follow Author. Comments baswaraj says:. July 27, at am. Buy eBook. Buy Softcover. FAQ Policy. Show all. From the reviews: "The objective of this book is to provide the reader with a working knowledge of Apache Struts 1. Table of contents 20 chapters Table of contents 20 chapters Introduction Pages Understanding Scopes Pages Custom Tags Pages Simple Validation Pages Processing Business Logic Pages Basic Struts Tags Pages Configuring Struts Pages More Tags Pages Uploading Files Pages Internationalization Pages Tiles Pages The Validator Framework Pages Dynamic Forms Pages