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Posted By:   kasanur
Posted On:   Tuesday, December 18, 2012 06:34 PM

 Hi all, I am new to struts. I have written a struts-hibernate program to display records of DOG table. When I run the program only web page is displayed with titles and no error is shown. Please find my code below: index.jsp: <%@ page language = "java" contentType = "text/html; charset=ISO-8859-1"     pageEncoding = "ISO-8859-1" %> <! DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <%@ taglib prefix = "s" uri = "/struts-tags" %> <%@    More>>

 Hi all,

I am new to struts. I have written a struts-hibernate program to display records of DOG table. When I run the program only web page is displayed with titles and no error is shown. Please find my code below:

index.jsp:

<%@

page language = "java" contentType = "text/html; charset=ISO-8859-1"

    pageEncoding = "ISO-8859-1" %>

<!

DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<%@

taglib prefix = "s" uri = "/struts-tags" %>

<%@

page

import = "java.util.*;" %>

 <

html>

<

head

>

<

title>Pet Store</title>

</

head>

<

body>

<

h1>Pet Store</h1>

<

body>

<

h2> Dog</h2>

<table>

 <tr>

  <th>Id</th>

  <th>Type</th>

  <th>Age</th>

  <th>Sex</th>

  <th>Price</th>

  <th>Select</th>

 </tr>

   < s:iterator value = "dogList" var = "dog" >

  <tr>

    < td >< s:property value = "id" />

    <s:property

      value = "type" /></ td >

    < td >< s:property value = "age" /></ td >

    < td >< s:property value = "sex" /></ td >

    < td >< s:property value = "price" /></ td >

    < td >< input type = "checkbox" value = "select" ></ td >

  </tr>

 </s:iterator>

 </table>

</

body

>

</

html >




<? 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 >

< constant name = "struts.enable.DynamicMethodInvocation"

value = "false" />

< constant name = "struts.devMode" value = "false" />

< package name = "default" extends = "struts-default" namespace = "/" >

< action name = "display"

class = "com.petstore.view.PetStoreAction" >

< result name = "success" > index.jsp </ result >

</action>

</package>

</

struts >



<?

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

<

web-app xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance" xmlns = xmlns:web = xsi:schemaLocation = id = "WebApp_ID" version = "2.5" >

 <display-name>Struts2 Application</display-name>

<

filter>

<

filter-name>struts2</filter-name>

<!-- <filter-class>

org.apache.struts2.dispatcher.FilterDispatcher

</filter-class> -->

<

filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>

</

filter>

<

filter-mapping>

<

filter-name>struts2</filter-name>

<

url-pattern>/*</url-pattern>

</

filter-mapping>

<

welcome-file-list>

<

welcome-file>index.jsp</welcome-file>

</

welcome-file-list

>

</

web-app>


PetManger.java:

package com.petstore.controller;

import java.util.List;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import com.petstore.model.Dog;
import com.petstore.util.HibernateUtil;

public class PetManager extends HibernateUtil {
 
 public List<Dog> getDogList() {
       
        Session session = HibernateUtil.getSessionFactory().getCurrentSession();
        session.beginTransaction();
        List<Dog> dogList = null;
        try {
            
            dogList = (List<Dog>)session.createQuery("from Dog").list();
            
        } catch (HibernateException e) {
            e.printStackTrace();
            session.getTransaction().rollback();
        }
        session.getTransaction().commit();
        return dogList;
    }
}

PetStoreAction.java:


package com.petstore.view;

import java.util.List;
import com.opensymphony.xwork2.ActionSupport;
import com.petstore.model.Dog;
import com.petstore.controller.PetManager;


public class PetStoreAction extends ActionSupport {
 private Dog dog;
 private List<Dog> dogList;
    private Long id;
   
    private PetManager manager;
   
    public PetStoreAction() {
        manager = new PetManager();
    }
 
    public String execute() {
        this.dogList = manager.getDogList();
        return SUCCESS;
    }
   
    public String display (){
     this.dogList = manager.getDogList();
     return SUCCESS;
    }
 
}

Dog.java:
 

package com.petstore.model;

public class Dog {

private int id ;

  private String type ;

private String sex ;

  private long price ;

private int age ;

 Dog (){}

public void setId( int i){

this . id =i;

}

public int getid(){

return id ;

}

public void setType(String dogType){

this . type = dogType;

}

public String getType(){

return type ;

}

public void setSex( String dogSex){

this . sex = dogSex;

}

public String getSex(){

return sex ;

}

public void setPrice( long dogPrice){  

this . price = dogPrice;

}

public long getPrice(){  

return price ;

 }
public void setAge( int dogAge){

this . age = dogAge;

}

public int getAge(){

return age ;

}

}

HibernateUtil.java:

package com.petstore.util;

import org.hibernate.SessionFactory;
import org.hibernate.cfg.AnnotationConfiguration;

public class HibernateUtil {
 
    private static final SessionFactory sessionFactory = buildSessionFactory();
 
    private static SessionFactory buildSessionFactory() {
        try {
            // Create the SessionFactory from hibernate.cfg.xml
            return new AnnotationConfiguration().configure()
                    .buildSessionFactory();
        } catch (Throwable ex) {
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }
 
    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }

}

 

Any help would be appreciated.
Thanks.
Sailaja




 

 

 



 

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