Spring injection with java annotation?

From:
Alberto Sfolcini <a.sfolcini@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Thu, 24 Apr 2008 05:46:20 -0700 (PDT)
Message-ID:
<b61ba136-0b35-4bb9-82e0-b4727efc7a4c@r66g2000hsg.googlegroups.com>
Hi,

I am wondering if I can use an annotation to inject property and avoid
to write getters and setters for each property.

Let's suppose my spring's bean looks like:

<bean id="test" class="foo.bar.Test">
    <property name="debug" value="true"/>
    <property name="firstname" value="Bill" />
    <property name="lastname" value="Gates" />
</bean>

The Test class should look like:

public class Test{
   private boolean debug;
   private String firstname;
   private String lastname;

   // Setters and getters...

   public void setFirstname(String furstname) {
      this.firstname = firstname;
   }

  etc etc...

}

What I would like to obtain is to avoid the setters and getters
methods by using an annotation:

public class Test{
   @Inject(name="debug", optional="false")
   private boolean debug;
   @Inject
   private String firstname;
   @Inject
   private String lastname;
}

So, let's see the @Inject interface:

public @interface Inject {
    String name() default "";
    boolean optional() default false;
}

Now, what I am missing is the injection engine, that should be written
in a class that extends the ApplicationContext I guess.

Can somebody give some help?

thanks

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