Java EE 6 Teknolojilerine Giriş
Hakan Uygun (hakan.uygun@ozguryazilim.com.tr)
Hakan Uygun (hakan.uygun@ozguryazilim.com.tr)
<web-fragment>
<servlet>
<servlet-name>myFrameworkServlet</servlet-name>
<servlet-class>myFramework.myServlet</servlet-class>
</servlet>
</web-fragment>
<xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:ui="http://java.sun.com/jsf/facelets">
<head>
<title>Guess Number JSF Application</title>
</head>
<body>
<h:form>
<h2>Hi. My name is Duke. I am thinking of a number from <b>
<h:outputText value="#{UserNumberBean.minimum}"/> to
<b>
<h:outputText value="#{UserNumberBean.maximum}"/>.
<p>Can you guess it ?</p>
<h:graphicImage id="waveImg" url="/wave.med.gif" />
<h:inputText id="userNo"
value="#{UserNumberBean.userNumber}">
converterMessage="#{ErrMsg.userNoConvert}">
<f:validateLongRange
minimum="#{UserNumberBean.minimum}"
maximum="#{UserNumberBean.maximum}"/>
</h:inputText>
<h:commandButton id="submit"
action="success" value="submit" />
<h:message showSummary="true" showDetail="false"
style="color: red;
font-family: 'New Century Schoolbook', serif;
font-style: oblique;
text-decoration: overline"
id="errors1"
for="userNo"/>
</h2>
</h:form>
</body>
</html>
@ManagedBean(name="userBean")
@RequestScoped
public class UserBean {
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public UserBean() {}
}
@WebService(endpointInterface = "juma.mohammad.Greeting")
public class GreetingImpl implements Greeting {
@WebMethod
public String sayHello(String name) {
return "Hello, Welcom to jax-ws " + name;
}
}
@Path ("items")
@Produces (MediaType.APPLICATION_XML)
Public class ItemsResource {
@Context UriInfo uriInfo;
@GET
Items listItems() {
Return Allitems();
}
@POST
@Consumes (MediaType.APPLICATION_XML)
Public Response create(Item item) throws ItemCreationException {
...
}
...
}
DAL : Data Access Layer
@Entity
@Table(name="ACCOUNT")
public class Account extends AuditBase implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@GeneratedValue(strategy = GenerationType.TABLE,generator="genericSeq")
@Column(name="ID")
private Long id;
@Column(name="ACCOUNT_TYPE")
@Enumerated(EnumType.ORDINAL)
private AccountType accountType;
@Column(name="CODE", length=20, nullable=false, unique=true)
@NotNull
@Length(max=20, min=1)
private String code;
@Column(name="NAME", length=50)
@Length(max=50, min=1)
private String name;
.....
}
@PersistanceContext
EntityManager em;
Account acc = em.find(Account.class, 1L);
acc.setCode(“010101”);
em.merge(acc);
//Sorgu
em.createQuery(“select c from Account c”)
.getResults();
EntityManager em = ... ;
CriteriaBuilder cb = em.getCriteriaBuilder();
CriteriaQuery<Employee> cq = cb.createQuery(Employee.class);
Root<Employee> emp = cq.from(Employee.class);
cq.select(emp);
cq.where(cb.equal(emp.get(Employee_.lastName), "Smith"));
TypedQuery<Employee> query = em.createQuery(cq);
List<Employee> rows = query.getResultList();
@Stateful
Class public HelloAction implements Serializable{
public String sayHello( String name ){
return “Hello “ + name;
}
}
//Kullanım
@Ejb
HelloAction hello;
@Stateful
@SessionScoped
@Model
public class Login {
@Inject Credentials credentials;
@Inject EntityManager userDatabase;
private User user;
@RolesAllowed("user")
@Produces @LoggedIn User getCurrentUser() {
...
}
}
@Qualifier
@Retention(RUNTIME)
@Target({TYPE, METHOD, FIELD, PARAMETER})
public @interface Informal {}
private int maxNumber = 100;
...
@Produces @MaxNumber int getMaxNumber() {
return maxNumber;
}
----------
//Kullanım Biçimi
@Inject @MaxNumber Instance<Integer> randomInt;
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