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<h1>Struts

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<p><em>Help us document this example! Click the blue pencil icon in the upper right to edit this page.</em></p>

<h2>AddUser</h2>

<pre><code>package org.superbiz.struts;

import javax.naming.Context;
import javax.naming.InitialContext;
import java.util.Properties;


public class AddUser {

    private int id;
    private String firstName;
    private String lastName;
    private String errorMessage;


    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public String getErrorMessage() {
        return errorMessage;
    }

    public void setErrorMessage(String errorMessage) {
        this.errorMessage = errorMessage;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String execute() {

        try {
            UserService service = null;
            Properties props = new Properties();
            props.put(Context.INITIAL_CONTEXT_FACTORY,
                    "org.apache.openejb.core.LocalInitialContextFactory");
            Context ctx = new InitialContext(props);
            service = (UserService) ctx.lookup("UserServiceImplLocal");
            service.add(new User(id, firstName, lastName));
        } catch (Exception e) {
            this.errorMessage = e.getMessage();
            return "failure";
        }

        return "success";
    }
}
</code></pre>

<h2>AddUserForm</h2>

<pre><code>package org.superbiz.struts;

import com.opensymphony.xwork2.ActionSupport;


public class AddUserForm extends ActionSupport {
}
</code></pre>

<h2>FindUser</h2>

<pre><code>package org.superbiz.struts;

import javax.naming.Context;
import javax.naming.InitialContext;
import java.util.Properties;

public class FindUser {

    private int id;
    private String errorMessage;
    private User user;

    public User getUser() {
        return user;
    }

    public void setUser(User user) {
        this.user = user;
    }

    public String getErrorMessage() {
        return errorMessage;
    }

    public void setErrorMessage(String errorMessage) {
        this.errorMessage = errorMessage;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String execute() {

        try {
            UserService service = null;
            Properties props = new Properties();
            props.put(Context.INITIAL_CONTEXT_FACTORY,
                    "org.apache.openejb.core.LocalInitialContextFactory");
            Context ctx = new InitialContext(props);
            service = (UserService) ctx.lookup("UserServiceImplLocal");
            this.user = service.find(id);
        } catch (Exception e) {
            this.errorMessage = e.getMessage();
            return "failure";
        }

        return "success";
    }
}
</code></pre>

<h2>FindUserForm</h2>

<pre><code>package org.superbiz.struts;

import com.opensymphony.xwork2.ActionSupport;


public class FindUserForm extends ActionSupport {
}
</code></pre>

<h2>ListAllUsers</h2>

<pre><code>package org.superbiz.struts;

import javax.naming.Context;
import javax.naming.InitialContext;
import java.util.List;
import java.util.Properties;

public class ListAllUsers {

    private int id;
    private String errorMessage;
    private List&lt;User&gt; users;

    public List&lt;User&gt; getUsers() {
        return users;
    }

    public void setUsers(List&lt;User&gt; users) {
        this.users = users;
    }

    public String getErrorMessage() {
        return errorMessage;
    }

    public void setErrorMessage(String errorMessage) {
        this.errorMessage = errorMessage;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String execute() {

        try {
            UserService service = null;
            Properties props = new Properties();
            props.put(Context.INITIAL_CONTEXT_FACTORY,
                    "org.apache.openejb.core.LocalInitialContextFactory");
            Context ctx = new InitialContext(props);
            service = (UserService) ctx.lookup("UserServiceImplLocal");
            this.users = service.findAll();
        } catch (Exception e) {
            this.errorMessage = e.getMessage();
            return "failure";
        }

        return "success";
    }
}
</code></pre>

<h2>User</h2>

<pre><code>package org.superbiz.struts;

import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
import java.io.Serializable;

@Entity
@Table(name = "USER")
public class User implements Serializable {
    private long id;
    private String firstName;
    private String lastName;

    public User(long id, String firstName, String lastName) {
        super();
        this.id = id;
        this.firstName = firstName;
        this.lastName = lastName;
    }

    public User() {
    }

    @Id
    public long getId() {
        return id;
    }

    public void setId(long id) {
        this.id = id;
    }

    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }
}
</code></pre>

<h2>UserService</h2>

<pre><code>package org.superbiz.struts;

import java.util.List;

public interface UserService {
    public void add(User user);

    public User find(int id);

    public List&lt;User&gt; findAll();
}
</code></pre>

<h2>UserServiceImpl</h2>

<pre><code>package org.superbiz.struts;

import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import java.util.List;

@Stateless
public class UserServiceImpl implements UserService {

    @PersistenceContext(unitName = "user")
    private EntityManager manager;

    public void add(User user) {
        manager.persist(user);
    }

    public User find(int id) {
        return manager.find(User.class, id);
    }

    public List&lt;User&gt; findAll() {
        return manager.createQuery("select u from User u").getResultList();
    }
}
</code></pre>

<h2>persistence.xml</h2>

<pre><code>&lt;/persistence-unit&gt;

  --&gt;
&lt;/persistence&gt;
</code></pre>

<h2>struts.xml</h2>

<pre><code>&lt;struts&gt;
  &lt;constant name="struts.devMode" value="true"&gt;&lt;/constant&gt;
  &lt;package name="default" namespace="/" extends="struts-default"&gt;
    &lt;action name="addUserForm" class="org.superbiz.struts.AddUserForm"&gt;
      &lt;result&gt;/addUserForm.jsp&lt;/result&gt;
    &lt;/action&gt;
    &lt;action name="addUser" class="org.superbiz.struts.AddUser"&gt;
      &lt;result name="success"&gt;/addedUser.jsp&lt;/result&gt;
      &lt;result name='failure'&gt;/addUserForm.jsp&lt;/result&gt;
    &lt;/action&gt;
    &lt;action name="findUserForm" class="org.superbiz.struts.FindUserForm"&gt;
      &lt;result&gt;/findUserForm.jsp&lt;/result&gt;
    &lt;/action&gt;
    &lt;action name="findUser" class="org.superbiz.struts.FindUser"&gt;
      &lt;result name='success'&gt;/displayUser.jsp&lt;/result&gt;
      &lt;result name='failure'&gt;/findUserForm.jsp&lt;/result&gt;
    &lt;/action&gt;
    &lt;action name="listAllUsers" class="org.superbiz.struts.ListAllUsers"&gt;
      &lt;result&gt;/displayUsers.jsp&lt;/result&gt;
    &lt;/action&gt;

  &lt;/package&gt;
&lt;/struts&gt;
</code></pre>

<h2>decorators.xml</h2>

<pre><code>&lt;decorators defaultdir="/decorators"&gt;
  &lt;decorator name="main" page="layout.jsp"&gt;
    &lt;pattern&gt;/*&lt;/pattern&gt;
  &lt;/decorator&gt;
&lt;/decorators&gt;
</code></pre>

<h2>web.xml</h2>

<pre><code>&lt;web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
         version="2.5"&gt;
  &lt;display-name&gt;Learn EJB3 and Struts2&lt;/display-name&gt;
  &lt;filter&gt;
    &lt;filter-name&gt;struts2&lt;/filter-name&gt;
    &lt;filter-class&gt;org.apache.struts2.dispatcher.FilterDispatcher&lt;/filter-class&gt;
    &lt;init-param&gt;
      &lt;param-name&gt;actionPackages&lt;/param-name&gt;
      &lt;param-value&gt;com.lq&lt;/param-value&gt;
    &lt;/init-param&gt;
  &lt;/filter&gt;
  &lt;filter&gt;
    &lt;filter-name&gt;struts-cleanup&lt;/filter-name&gt;
    &lt;filter-class&gt;org.apache.struts2.dispatcher.ActionContextCleanUp&lt;/filter-class&gt;
  &lt;/filter&gt;
  &lt;filter&gt;
    &lt;filter-name&gt;sitemesh&lt;/filter-name&gt;
    &lt;filter-class&gt;com.opensymphony.module.sitemesh.filter.PageFilter&lt;/filter-class&gt;
  &lt;/filter&gt;
  &lt;filter-mapping&gt;
    &lt;filter-name&gt;struts-cleanup&lt;/filter-name&gt;
    &lt;url-pattern&gt;/*&lt;/url-pattern&gt;
  &lt;/filter-mapping&gt;
  &lt;filter-mapping&gt;
    &lt;filter-name&gt;sitemesh&lt;/filter-name&gt;
    &lt;url-pattern&gt;/*&lt;/url-pattern&gt;
  &lt;/filter-mapping&gt;
  &lt;filter-mapping&gt;
    &lt;filter-name&gt;struts2&lt;/filter-name&gt;
    &lt;url-pattern&gt;/*&lt;/url-pattern&gt;
  &lt;/filter-mapping&gt;
  &lt;welcome-file-list&gt;
    &lt;welcome-file&gt;index.jsp&lt;/welcome-file&gt;
  &lt;/welcome-file-list&gt;
  &lt;jsp-config&gt;
    &lt;jsp-property-group&gt;
      &lt;description&gt;JSP configuration of all the JSP's&lt;/description&gt;
      &lt;url-pattern&gt;*.jsp&lt;/url-pattern&gt;
      &lt;include-prelude&gt;/prelude.jspf&lt;/include-prelude&gt;
    &lt;/jsp-property-group&gt;
  &lt;/jsp-config&gt;
&lt;/web-app&gt;
</code></pre>


<div class="page-header">&nbsp;</div>
<h4>APIs Used</h4>
<ul><li><a href="http://docs.oracle.com/javaee/6/api/javax/ejb/Stateless.html">javax.ejb.Stateless</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/naming/Context.html">javax.naming.Context</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/naming/InitialContext.html">javax.naming.InitialContext</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/persistence/Entity.html">javax.persistence.Entity</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/persistence/EntityManager.html">javax.persistence.EntityManager</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/persistence/Id.html">javax.persistence.Id</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/persistence/PersistenceContext.html">javax.persistence.PersistenceContext</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/persistence/Table.html">javax.persistence.Table</a></li>
</ul>

<h3>Source</h3>
  <ul>
      <li>Apache <a href="http://svn.apache.org/repos/asf/tomee/tomee/trunk/examples/struts">struts</a></li>
      <li>Github <a href="https://github.com/apache/tomee/tree/trunk/examples/struts">struts</a></li>
  </ul>
<pre>
svn co http://svn.apache.org/repos/asf/tomee/tomee/trunk/examples/struts
cd struts
mvn clean install
</pre>


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