Struts 2 PlainText as Results, Struts 2 Result, Example PlainText

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Struts version 2.1.6 - PlainTextResult result type for forwarding plain text
based response to requester

In this example I am using a plain text file as the result
location for result type as PlainText. This way I am showing
step by step methods for creating an example for showing
plain text from a text file, that is to be rendered as plain
text on screen.

POJO file for receiving request and forwarding to a perticular
result name as "textreport".


ExampleTextAction.java


package sample;

public class ExampleTextAction {
    public String preview() throws Exception {
        return "textreport";
	}
}













struts.xml file should have a result name as textreport with
type as plainText and having location param pointing to the
actual text file, whose content is to be shown on screen as plain
text.

struts.xml


<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
    <package name="text-example" namespace="/sample-text"
                 extends="struts-default">
        <action name="test" class="sample.ExampleTextAction" 
	                       method="preview">
            <result name="textreport" type="plainText">
              <param name="location">/sources/test.txt</param>
            </result>
        </action>
    </package>
</struts>



Corresponding web.xml file is as follows:
web.xml

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE web-app
    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
    "http://java.sun.com/dtd/web-app_2_3.dtd">

<web-app>
    <display-name>Struts 2 PlainText Result type</display-name>
  <filter>
  <filter-name>sample-filter</filter-name>
  <filter-class> 
    org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
  </filter-class>
  </filter>
  <filter-mapping>
    <filter-name>sample-filter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
</web-app>



For the request pointing to the appropriate namespace and action name
as follows:

http://localhost:8080/struts2sample/sample-text/test

output on screen is shown with the text content from the /sources/test.txt
file as mentioned in the location param in the result tag inside the action
tag in struts.xml file, as shown above.


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