Forum:

Struts

How to create object and call a method in jsp using struts 2 tags

chaitanya karthikk

Ranch Hand

Posts: 806

I like...

posted 8 years ago

Hi all, I am Chaitanya, I am new to struts and its tags. I am learning struts2 and google app engine. I am working on running a struts application on app engine. As a part of it I have to create login and logout urls using google's UserService class's methods. Using scriptlets I used to like this

Now I have to do the same using struts 2 tags. Can anyone help me how to achieve this?

Thank you all in advance. Good day.

Love all, trust a few, do wrong to none.

chaitanya karthikk

Ranch Hand

Posts: 806

I like...

posted 8 years ago

Should I use custom tag libraries to achieve this?

Love all, trust a few, do wrong to none.

Mohana Rao Sv

Ranch Hand

Posts: 485

I like...

posted 8 years ago

Using Struts2 tags you can call method directly. <s:property value=%{user.getCurrentUser()}/>

ocjp 6 — Feeding a person with food is a great thing in this world. Feeding the same person by transferring the knowledge is far more better thing. The reason is the amount of satisfaction which we get through food is of only one minute or two. But the satisfaction which we can get through the knowledge is of life long.

chaitanya karthikk

Ranch Hand

Posts: 806

I like...

posted 8 years ago

Mohana Rao wrote:Using Struts2 tags you can call method directly. <s:property value=%{user.getCurrentUser()}/>

I tried with this

But it is not working, I am not getting an error also.

Love all, trust a few, do wrong to none.

chaitanya karthikk

Ranch Hand

Posts: 806

I like...

posted 8 years ago

This worked fine for me. But I don't know whether this approach is appreciated or not.

index1.jsp

struts.xml

LoginAction.java

package com.guestbook;
    
    import java.io.IOException;
    
    import javax.servlet.http.HttpServletResponse;
    
    import org.apache.struts2.interceptor.ServletResponseAware;
    
    import com.google.appengine.api.users.UserService;
    import com.google.appengine.api.users.UserServiceFactory;
    import com.opensymphony.xwork2.ActionSupport;
    
    @SuppressWarnings("serial")
    public class LoginAction extends ActionSupport implements ServletResponseAware
    {
    	private HttpServletResponse response;
    	private String continueuri;
    	public String execute()
    	{
    		return SUCCESS;
    	}
    	public void redirect()
    	{
    		try {
    			UserService service = UserServiceFactory.getUserService();
    			response.sendRedirect(service.createLoginURL(getContinueuri()));
    		} catch (IOException e) {
    			// TODO Auto-generated catch block
    			e.printStackTrace();
    		}
    	}
    
    	@Override
    	public void setServletResponse(HttpServletResponse response) {
    		// TODO Auto-generated method stub
    		this.response = response;
    	}
    
    	public void setContinueuri(String continueuri) {
    		this.continueuri = continueuri;
    	}
    
    	public String getContinueuri() {
    		return continueuri;
    	}
    }

Love all, trust a few, do wrong to none.

There are 10 kinds of people in this world. Those that understand binary get this tiny ad:

Thread Boost feature

https://coderanch.com/t/674455/Thread-Boost-feature