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              <h1>REST on EJB</h1>
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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>User</h2>
<pre><code>package org.superbiz.rest;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.xml.bind.annotation.XmlRootElement;

@Entity
@NamedQueries({
        @NamedQuery(name = &quot;user.list&quot;, query = &quot;select u from User u&quot;)
}
</code></pre>
<h2>UserService</h2>
<pre><code>package org.superbiz.rest;

import javax.ejb.Lock;
import javax.ejb.LockType;
import javax.ejb.Singleton;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.ws.rs.DELETE;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.util.ArrayList;
import java.util.List;

/**
 * Outputs are copied because of the enhancement of OpenJPA.
 *
 */
@Singleton
@Lock(LockType.WRITE)
@Path(&quot;/user&quot;)
@Produces(MediaType.APPLICATION_XML)
public class UserService {
    @PersistenceContext
    private EntityManager em;

    @Path(&quot;/create&quot;)
    @PUT
    public User create(@QueryParam(&quot;name&quot;) String name,
                       @QueryParam(&quot;pwd&quot;) String pwd,
                       @QueryParam(&quot;mail&quot;) String mail) {
        User user = new User();
        user.setFullname(name);
        user.setPassword(pwd);
        user.setEmail(mail);
        em.persist(user);
        return user;
    }

    @Path(&quot;/list&quot;)
    @GET
    public List&lt;User&gt; list(@QueryParam(&quot;first&quot;) @DefaultValue(&quot;0&quot;) int first,
                           @QueryParam(&quot;max&quot;) @DefaultValue(&quot;20&quot;) int max) {
        List&lt;User&gt; users = new ArrayList&lt;User&gt;();
        List&lt;User&gt; found = em.createNamedQuery(&quot;user.list&quot;, User.class).setFirstResult(first).setMaxResults(max).getResultList();
        for (User u : found) {
            users.add(u.copy());
        }
        return users;
    }

    @Path(&quot;/show/{id}&quot;)
    @GET
    public User find(@PathParam(&quot;id&quot;) long id) {
        User user = em.find(User.class, id);
        if (user == null) {
            return null;
        }
        return user.copy();
    }

    @Path(&quot;/delete/{id}&quot;)
    @DELETE
    public void delete(@PathParam(&quot;id&quot;) long id) {
        User user = em.find(User.class, id);
        if (user != null) {
            em.remove(user);
        }
    }

    @Path(&quot;/update/{id}&quot;)
    @POST
    public Response update(@PathParam(&quot;id&quot;) long id,
                           @QueryParam(&quot;name&quot;) String name,
                           @QueryParam(&quot;pwd&quot;) String pwd,
                           @QueryParam(&quot;mail&quot;) String mail) {
        User user = em.find(User.class, id);
        if (user == null) {
            throw new IllegalArgumentException(&quot;user id &quot; + id + &quot; not found&quot;);
        }

        user.setFullname(name);
        user.setPassword(pwd);
        user.setEmail(mail);
        em.merge(user);

        return Response.ok(user.copy()).build();
    }
}
</code></pre>
<h2>persistence.xml</h2>
<pre><code>&lt;persistence version=&quot;2.0&quot;
             xmlns=&quot;http://java.sun.com/xml/ns/persistence&quot;
             xmlns:xsi=&quot;http://www.w3.org/2001/XMLSchema-instance&quot;
             xsi:schemaLocation=&quot;http://java.sun.com/xml/ns/persistence
                       http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd&quot;&gt;
  &lt;persistence-unit name=&quot;user&quot;&gt;
    &lt;jta-data-source&gt;My DataSource&lt;/jta-data-source&gt;
    &lt;non-jta-data-source&gt;My Unmanaged DataSource&lt;/non-jta-data-source&gt;
    &lt;class&gt;org.superbiz.rest.User&lt;/class&gt;
    &lt;properties&gt;
      &lt;property name=&quot;openjpa.jdbc.SynchronizeMappings&quot; value=&quot;buildSchema(ForeignKeys=true)&quot;/&gt;
    &lt;/properties&gt;
  &lt;/persistence-unit&gt;
&lt;/persistence&gt;
</code></pre>
<h2>UserServiceTest</h2>
<pre><code>package org.superbiz.rest;

import org.apache.cxf.jaxrs.client.WebClient;
import org.apache.openejb.OpenEjbContainer;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;

import javax.ejb.embeddable.EJBContainer;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.ws.rs.core.Response;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.Unmarshaller;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;

import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertNull;
import static junit.framework.Assert.fail;

public class UserServiceTest {
    private static Context context;
    private static UserService service;
    private static List&lt;User&gt; users = new ArrayList&lt;User&gt;();

    @BeforeClass
    public static void start() throws NamingException {
        Properties properties = new Properties();
        properties.setProperty(OpenEjbContainer.OPENEJB_EMBEDDED_REMOTABLE, &quot;true&quot;);
        context = EJBContainer.createEJBContainer(properties).getContext();

        // create some records
        service = (UserService) context.lookup(&quot;java:global/rest-on-ejb/UserService&quot;);
        users.add(service.create(&quot;foo&quot;, &quot;foopwd&quot;, &quot;foo@foo.com&quot;));
        users.add(service.create(&quot;bar&quot;, &quot;barpwd&quot;, &quot;bar@bar.com&quot;));
    }

    @AfterClass
    public static void close() throws NamingException {
        if (context != null) {
            context.close();
        }
    }

    @Test
    public void create() {
        int expected = service.list(0, 100).size() + 1;
        Response response = WebClient.create(&quot;http://localhost:4204&quot;)
                .path(&quot;/user/create&quot;)
                .query(&quot;name&quot;, &quot;dummy&quot;)
                .query(&quot;pwd&quot;, &quot;unbreakable&quot;)
                .query(&quot;mail&quot;, &quot;foo@bar.fr&quot;)
                .put(null);
        List&lt;User&gt; list = service.list(0, 100);
        for (User u : list) {
            if (!users.contains(u)) {
                service.delete(u.getId());
                return;
            }
        }
        fail(&quot;user was not added&quot;);
    }

    @Test
    public void delete() throws Exception {
        User user = service.create(&quot;todelete&quot;, &quot;dontforget&quot;, &quot;delete@me.com&quot;);

        WebClient.create(&quot;http://localhost:4204&quot;).path(&quot;/user/delete/&quot; + user.getId()).delete();

        user = service.find(user.getId());
        assertNull(user);
    }

    @Test
    public void show() {
        User user = WebClient.create(&quot;http://localhost:4204&quot;)
                .path(&quot;/user/show/&quot; + users.iterator().next().getId())
                .get(User.class);
        assertEquals(&quot;foo&quot;, user.getFullname());
        assertEquals(&quot;foopwd&quot;, user.getPassword());
        assertEquals(&quot;foo@foo.com&quot;, user.getEmail());
    }

    @Test
    public void list() throws Exception {
        String users = WebClient.create(&quot;http://localhost:4204&quot;)
                .path(&quot;/user/list&quot;)
                .get(String.class);
        assertEquals(
                &quot;&lt;users&gt;&quot; +
                        &quot;&lt;user&gt;&quot; +
                        &quot;&lt;email&gt;foo@foo.com&lt;/email&gt;&quot; +
                        &quot;&lt;fullname&gt;foo&lt;/fullname&gt;&quot; +
                        &quot;&lt;id&gt;1&lt;/id&gt;&quot; +
                        &quot;&lt;password&gt;foopwd&lt;/password&gt;&quot; +
                        &quot;&lt;/user&gt;&quot; +
                        &quot;&lt;user&gt;&quot; +
                        &quot;&lt;email&gt;bar@bar.com&lt;/email&gt;&quot; +
                        &quot;&lt;fullname&gt;bar&lt;/fullname&gt;&quot; +
                        &quot;&lt;id&gt;2&lt;/id&gt;&quot; +
                        &quot;&lt;password&gt;barpwd&lt;/password&gt;&quot; +
                        &quot;&lt;/user&gt;&quot; +
                        &quot;&lt;/users&gt;&quot;, users);
    }

    @Test
    public void update() throws Exception {
        User created = service.create(&quot;name&quot;, &quot;pwd&quot;, &quot;mail&quot;);
        Response response = WebClient.create(&quot;http://localhost:4204&quot;)
                .path(&quot;/user/update/&quot; + created.getId())
                .query(&quot;name&quot;, &quot;corrected&quot;)
                .query(&quot;pwd&quot;, &quot;userpwd&quot;)
                .query(&quot;mail&quot;, &quot;it@is.ok&quot;)
                .post(null);

        JAXBContext ctx = JAXBContext.newInstance(User.class);
        Unmarshaller unmarshaller = ctx.createUnmarshaller();
        User modified = (User) unmarshaller.unmarshal(InputStream.class.cast(response.getEntity()));

        assertEquals(&quot;corrected&quot;, modified.getFullname());
        assertEquals(&quot;userpwd&quot;, modified.getPassword());
        assertEquals(&quot;it@is.ok&quot;, modified.getEmail());
    }
}
</code></pre>
<h1>Running</h1>
<pre><code>-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running org.superbiz.rest.UserServiceTest
Apache OpenEJB 4.0.0-beta-1    build: 20111002-04:06
http://tomee.apache.org/
INFO - openejb.home = /Users/dblevins/examples/rest-on-ejb
INFO - openejb.base = /Users/dblevins/examples/rest-on-ejb
INFO - Using &#39;javax.ejb.embeddable.EJBContainer=true&#39;
INFO - Configuring Service(id=Default Security Service, type=SecurityService, provider-id=Default Security Service)
INFO - Configuring Service(id=Default Transaction Manager, type=TransactionManager, provider-id=Default Transaction Manager)
INFO - Found EjbModule in classpath: /Users/dblevins/examples/rest-on-ejb/target/classes
INFO - Beginning load: /Users/dblevins/examples/rest-on-ejb/target/classes
INFO - Configuring enterprise application: /Users/dblevins/examples/rest-on-ejb
INFO - Configuring Service(id=Default Singleton Container, type=Container, provider-id=Default Singleton Container)
INFO - Auto-creating a container for bean UserService: Container(type=SINGLETON, id=Default Singleton Container)
INFO - Configuring Service(id=Default Managed Container, type=Container, provider-id=Default Managed Container)
INFO - Auto-creating a container for bean org.superbiz.rest.UserServiceTest: Container(type=MANAGED, id=Default Managed Container)
INFO - Configuring PersistenceUnit(name=user)
INFO - Configuring Service(id=Default JDBC Database, type=Resource, provider-id=Default JDBC Database)
INFO - Auto-creating a Resource with id &#39;Default JDBC Database&#39; of type &#39;DataSource for &#39;user&#39;.
INFO - Configuring Service(id=Default Unmanaged JDBC Database, type=Resource, provider-id=Default Unmanaged JDBC Database)
INFO - Auto-creating a Resource with id &#39;Default Unmanaged JDBC Database&#39; of type &#39;DataSource for &#39;user&#39;.
INFO - Adjusting PersistenceUnit user &lt;jta-data-source&gt; to Resource ID &#39;Default JDBC Database&#39; from &#39;My DataSource&#39;
INFO - Adjusting PersistenceUnit user &lt;non-jta-data-source&gt; to Resource ID &#39;Default Unmanaged JDBC Database&#39; from &#39;My Unmanaged DataSource&#39;
INFO - Enterprise application &quot;/Users/dblevins/examples/rest-on-ejb&quot; loaded.
INFO - Assembling app: /Users/dblevins/examples/rest-on-ejb
INFO - PersistenceUnit(name=user, provider=org.apache.openjpa.persistence.PersistenceProviderImpl) - provider time 407ms
INFO - Jndi(name=&quot;java:global/rest-on-ejb/UserService!org.superbiz.rest.UserService&quot;)
INFO - Jndi(name=&quot;java:global/rest-on-ejb/UserService&quot;)
INFO - Jndi(name=&quot;java:global/EjbModule1789767313/org.superbiz.rest.UserServiceTest!org.superbiz.rest.UserServiceTest&quot;)
INFO - Jndi(name=&quot;java:global/EjbModule1789767313/org.superbiz.rest.UserServiceTest&quot;)
INFO - Created Ejb(deployment-id=org.superbiz.rest.UserServiceTest, ejb-name=org.superbiz.rest.UserServiceTest, container=Default Managed Container)
INFO - Created Ejb(deployment-id=UserService, ejb-name=UserService, container=Default Singleton Container)
INFO - Started Ejb(deployment-id=org.superbiz.rest.UserServiceTest, ejb-name=org.superbiz.rest.UserServiceTest, container=Default Managed Container)
INFO - Started Ejb(deployment-id=UserService, ejb-name=UserService, container=Default Singleton Container)
INFO - Deployed Application(path=/Users/dblevins/examples/rest-on-ejb)
INFO - Initializing network services
INFO - Creating ServerService(id=httpejbd)
INFO - Creating ServerService(id=admin)
INFO - Creating ServerService(id=ejbd)
INFO - Creating ServerService(id=ejbds)
INFO - Creating ServerService(id=cxf-rs)
INFO - Initializing network services
  ** Starting Services **
  NAME                 IP              PORT  
  httpejbd             127.0.0.1       4204  
  admin thread         127.0.0.1       4200  
  ejbd                 127.0.0.1       4201  
  ejbd                 127.0.0.1       4203  
-------
Ready!
WARN - Query &quot;select u from User u&quot; is removed from cache  excluded permanently. Query &quot;select u from User u&quot; is not cached because it uses pagination..
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.102 sec

Results :

Tests run: 5, Failures: 0, Errors: 0, Skipped: 0
</code></pre>
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