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<h1>Struts</h1>
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<div class="paragraph">
<p><em>Help us document this example! Click the blue pencil icon in the upper
right to edit this page.</em></p>
</div>
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<div class="sect1">
<h2 id="_adduser">AddUser</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">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>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_adduserform">AddUserForm</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">package org.superbiz.struts;
import com.opensymphony.xwork2.ActionSupport;
public class AddUserForm extends ActionSupport {
}</code></pre>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_finduser">FindUser</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">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>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_finduserform">FindUserForm</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">package org.superbiz.struts;
import com.opensymphony.xwork2.ActionSupport;
public class FindUserForm extends ActionSupport {
}</code></pre>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_listallusers">ListAllUsers</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">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>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_user">User</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">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>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_userservice">UserService</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">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>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_userserviceimpl">UserServiceImpl</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">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>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_persistence_xml">persistence.xml</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-xml" data-lang="xml">&lt;/persistence-unit&gt;
--&gt;
&lt;/persistence&gt;</code></pre>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_struts_xml">struts.xml</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-xml" data-lang="xml">&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>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_decorators_xml">decorators.xml</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-xml" data-lang="xml">&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>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_web_xml">web.xml</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-xml" data-lang="xml">&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>
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