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| Struts 1.1 |
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own web application.
struts-documentation.war includes important
documents and API for the struts application
development.
struts-example.war is simple MailReader
Demonstration Application.
Developing First Struts Application
Rename struts-blank.war to
StrutsApplication.war from jakarta-tomcat-
5.0.4\webapps and copy it to the “jakartatomcat-
5.0.4\webapps” directory. Tomcat
automatically extracts the file and loads the
application.
Copy the source files
(LookupDispatch_Action.java and
MappingDispatch_Action.java) into the source
directory (src directory), jsp files
MappingDispatchAction.jsp and
MappingDispatchActionSave.jsp into the pages
directory, index.jsp file in the StrutsApplication
directory parallel to the pages and WEB-INF
directory, struts-config.xml, web.xml, strutsbean.
tld, and struts-html.tld parallel to the lib
and the classes directory in the WEB-INF
directory, and finally copy the servlet-api.jar and
struts.jar files into the lib directory and then
compile the whole application, start the tomcat
server, open the browser and enter the url http:/
/localhost:8080/StrutsApplication/ and then
press enter, if everything is ok then the welcome
page (that is index.jsp in case of our application)
will be displayed. Here are the different files used
in our application.
LookupDispatch_Action.java
ackage roseindia.net;
import java.io.*;
import java.util.*;
import javax.servlet.http.HttpServletRequest;
import
javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletException;
import
org.apache.struts.actions.LookupDispatchAction;
import org.apache.struts.action.ActionForm; 
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|
import
org.apache.struts.action.ActionForward;
import
org.apache.struts.action.ActionMapping;
public class LookupDispatch_Action extends
LookupDispatchAction {
protected Map getKeyMethodMap(){
Map map = new HashMap();
map.put(“roseindia.net.add”,”add”);
map.put(“roseindia.net.edit”,”edit”);
map.put(“roseindia.net.search”,”search”);
map.put(“roseindia.net.save”,”save”);
return map;
}
public ActionForward add(ActionMapping
mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response) throws
Exception{
System.out.println(“You are in add
function.”);
return
mapping.findForward(“add”);
}
public ActionForward edit(ActionMapping
mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response) throws
Exception{
System.out.println(“You are in edit
function.”);
return mapping.findForward(“edit”);
}
public ActionForward search(ActionMapping
mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response) throws
Exception{
System.out.println(“You are in search
function”);
return
mapping.findForward(“search”);
}
public ActionForward save(ActionMapping
mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response) throws
Exception{
System.out.println(“You are in save
function”);
return
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Mar
2008 | Java Jazz Up | 25 |
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