Migrating from Struts 1 to Struts 2 - Software · PDF fileJSF: used since July 2004 ... Matt...
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Migrating from Struts 1 to Struts 2
Matt RaibleVirtuas Open Source Solutions
Colorado Software Summit: October 22 27, 2006 Copyright 2006, Virtuas Open Source Solutions
Matt Raible Migrating from Struts 1 to Struts 2 Page 1
Introductions
Your experience with Java?
Your experience with Web Frameworks?
What do you hope to learn today?
Open Source experience: Ant, Struts, WebWork, Spring, Hibernate, Eclipse, Tomcat?
Favorite IDE? Favorite OS? Favorite Server?
Colorado Software Summit: October 22 27, 2006 Copyright 2006, Virtuas Open Source Solutions
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Matt
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Raible
Colorado Software Summit: October 22 27, 2006 Copyright 2006, Virtuas Open Source Solutions
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Colorado Software Summit: October 22 27, 2006 Copyright 2006, Virtuas Open Source Solutions
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Web Framework Experience
Struts: used since June 2001 - same time 1.0 was released.
Spring MVC: used since January 2004 - before 1.0 was released.
WebWork: used since July 2004.
Tapestry: used since July 2004.
JSF: used since July 2004 - both Suns RI and MyFaces.
Colorado Software Summit: October 22 27, 2006 Copyright 2006, Virtuas Open Source Solutions
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Agenda
1.Struts Overview
2.WebWork Overview
3.Reasons for Upgrading
4.Migrating from Struts 1 to Struts 2
5.Migrating from WebWork 2 to Struts 2
6.Pitfalls
7.Q and A
Colorado Software Summit: October 22 27, 2006 Copyright 2006, Virtuas Open Source Solutions
Matt Raible Migrating from Struts 1 to Struts 2 Page 20
Struts 1.x Overview
Colorado Software Summit: October 22 27, 2006 Copyright 2006, Virtuas Open Source Solutions
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Struts 1.x
Pros:
The Standard - lots of Struts jobs
Lots of information and examples
HTML tag library is one of the best
Cons:
ActionForms - theyre a pain
Cant unit test - StrutsTestCase only does integration
Project has been rumored as dead
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Struts 1.x
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Struts 1.x Lifecycle
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Struts Actionpublic class UserAction extends DispatchAction {
private UserManager mgr = null;
public void setUserManager(UserManager userManager) {
this.mgr = userManager;
}
public ActionForward delete(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
DynaActionForm userForm = (DynaActionForm) form;
User user = (User) userForm.get("user");
mgr.removeUser(request.getParameter("user.id"));
ActionMessages messages = new ActionMessages();
messages.add(ActionMessages.GLOBAL_MESSAGE,
new ActionMessage("user.deleted", user.getFullName()));
saveMessages(request.getSession(), messages);
return mapping.findForward("users");
}
Colorado Software Summit: October 22 27, 2006 Copyright 2006, Virtuas Open Source Solutions
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Struts Actionpublic class UserAction extends DispatchAction {
private UserManager mgr = null;
public void setUserManager(UserManager userManager) {
this.mgr = userManager;
}
public ActionForward delete(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
DynaActionForm userForm = (DynaActionForm) form;
User user = (User) userForm.get("user");
mgr.removeUser(request.getParameter("user.id"));
ActionMessages messages = new ActionMessages();
messages.add(ActionMessages.GLOBAL_MESSAGE,
new ActionMessage("user.deleted", user.getFullName()));
saveMessages(request.getSession(), messages);
return mapping.findForward("users");
}
Colorado Software Summit: October 22 27, 2006 Copyright 2006, Virtuas Open Source Solutions
Matt Raible Migrating from Struts 1 to Struts 2 Page 26
Struts Actionpublic class UserAction extends DispatchAction {
private UserManager mgr = null;
public void setUserManager(UserManager userManager) {
this.mgr = userManager;
}
public ActionForward delete(ActionMapping mapping, ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
DynaActionForm userForm = (DynaActionForm) form;
User user = (User) userForm.get("user");
mgr.removeUser(request.getParameter("user.id"));
ActionMessages messages = new ActionMessages();
messages.add(ActionMessages.GLOBAL_MESSAGE,
new ActionMessage("user.deleted", user.getFullName()));
saveMessages(request.getSession(), messages);
return mapping.findForward("users");
}
Colorado Software Summit: October 22 27, 2006 Copyright 2006, Virtuas Open Source Solutions
Matt Raible Migrating from Struts 1 to Struts 2 Page 27
struts-config.xml
Colorado Software Summit: October 22 27, 2006 Copyright 2006, Virtuas Open Source Solutions
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Display Tag
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Struts 1.x: JSP View
:
:
: [${datePattern}]
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Struts 1.x: JSP View
:
:
: [${datePattern}]
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WebWork / Struts 2
Colorado Software Summit: October 22 27, 2006 Copyright 2006, Virtuas Open
