#副標=Java Code Generator
#大標= XDoclet進階篇
#作者=文／歐宣修

-----box-----
#程式1	UseraccountFacade原始碼
/**
 * 取得使用者帳號檔<br/>
 * Last Modified Date:2004/07/04<br/>
 * @author Senshaw
//……(1)
 * @ejb.bean
 *     name="ejb/UseraccountFacade"
 *     type="Stateless"
 *     view-type="remote"
 *     transaction-type="Container"
 */
public class UseraccountFacade
    implements SessionBean {

  static final Category log = Category.getInstance(
UseraccountFacade.class.getName());
  DAOBean dao = null;

  private SessionContext ctx;

//……(2)
  /** @ejb.create-method */
  public void ejbCreate() throws CreateException {
    dao = new DAOBean();
    dao.setDefaultDBName("MasterDB");
  }

  public void ejbPostCreate() throws CreateException
 {  }

  public void setSessionContext(SessionContext ctx) 
throws EJBException, RemoteException {
    this.ctx = ctx;
  }

//……(3)
  /**
   * @ejb.interface-method
   */
  public HashData getUseraccount() {

    StringBuffer sql = new StringBuffer();
    sql.append("select * from useraccount ");
    HashData hd = dao.executeQuery(sql.toString());
    log.info("hd rowcount=" + hd.getRowcount());

    return hd;

  }
//以下略…
}
-----end-----


-----box-----
#程式2	UseraccountServlet2原始碼
/**
 * 透過EJB取得使用者帳號檔<br/>
 * Last Modified Date:2004/07/03<br/>
 * @author Senshaw
 * @web.servlet name="GetUseraccount2"
 * @web.servlet-mapping url-pattern=
"/getUseraccount2"
 */
public class UseraccountServlet2
    extends HttpServlet {

  static final Category log = Category.getInstance(
UseraccountServlet2.class.getName());
  DAOBean dao = null;
  Context context = null;
  UseraccountFacadeHome home = null;

  public void init() throws ServletException {
//……(1)
    Hashtable environment = new Hashtable();

    environment.put(Context.INITIAL_CONTEXT_
FACTORY, "org.jnp.interfaces.
NamingContextFactory");
    environment.put(Context.URL_PKG_
PREFIXES, "org.jboss.naming:org.jnp.interfaces");
    environment.put(Context.PROVIDER_URL, 
"jnp://localhost:1099");
    try {
      context = new InitialContext(environment);
    }
    catch (NamingException ex) {
      log.error(ex);
    }

    try {
      //look up jndi name
      Object ref = context.lookup(
"ejb/UseraccountFacade");
      //look up jndi name and cast to Home interface
      home = (UseraccountFacadeHome) 
PortableRemoteObject.narrow(ref, 
UseraccountFacadeHome.class);
    } catch (Exception ex) {
      log.error(ex);
    }

  }
略…
  private void getUseraccount(HttpServletRequest 
request, HttpServletResponse response) {

    request.getSession().setAttribute("header", 
"帳號\t密碼\t角色");
    request.getSession().setAttribute("column", 
"userid\tpasswd\trolename");

    try {
//……(2)
      UseraccountFacade facade = home.create();

      HashData hd = facade.getUseraccount();
      log.info("hd rowcount=" + hd.getRowcount());
      request.getSession().setAttribute("data", hd);

      facade.remove();

    }
    catch (Exception ex) {
      log.error(ex);
    }
 以下略…
  }
}
-----end-----

(
-----box-----
#程式3
<target name="gen-ejb" depends="init" >

<!-- Generate EJB "stuff" -->
<ejbdoclet destdir="${gen.src.dir}" >
<!--(1)-->
<packageSubstitution packages="ejb" 
substituteWith="interfaces"/>

	<fileset dir="src">
<include name="**/*Facade.java" />
  	</fileset>

    <!-- Generate a deployment descriptor file,
including all beans processed. -->
    <!--(2)-->
	<deploymentdescriptor destdir="
${ejb.deployment.dir}"/>

    <!-- Generate all of the home and logical
   	   interfaces, unless told otherwise in
   	   the meta-information. -->
<!--(3)-->
<homeinterface/>
	<remoteinterface/>
	<localinterface/>
	<localhomeinterface/>
	  	
	<!--(4)-->
	<jboss destdir="${ejb.deployment.dir}" />
	  		
  </ejbdoclet>
</target>
-----end-----

-----box-----
#程式4
ant gen-ejb
-----end-----


-----box-----
#程式5
/**
 * 使用者帳號檔
 * @struts.form
 * name="useraccount.query"
 */ 
public class UseraccountForm extends ValidatorForm 
implements Serializable{
以下略…
}
-----end-----


-----box-----
#程式6
/**
 * @struts.action
 * name="useraccount.query"
 * path="/queryUseraccount"
 * input="/useraccount_query.jsp"
 *
 * @struts.action-forward
 * name="success"
 * path="/useraccount_result.jsp"
 */
public class QueryUseraccountAction
    extends Action {
以下略…
}
-----end-----



-----box-----
#程式7
<servlet>
  <servlet-name>StrutsActionServlet</servlet-name>
  <servlet-class>org.apache.struts.action.
ActionServlet</servlet-class>
    
  <init-param>
    <param-name>config</param-name>
    <param-value>/WEB-INF/struts-config.xml
</param-value>
  </init-param>
  <init-param>
    <param-name>debug</param-name>
    <param-value>3</param-value>
  </init-param>
  <init-param>
    <param-name>detail</param-name>
    <param-value>3</param-value>
  </init-param>
  <load-on-startup>2</load-on-startup>
  
</servlet>
-----end-----


-----box-----
#程式8
<target name="gen-struts" depends="init" >
		
<!-- Generate servlet and JSP Tag "stuff" -->
<!--(1)-->
<webdoclet destdir="${gen.src.dir}" mergeDir=
"mergeDir" >
<!--(2)-->
<fileset dir="src">
<include name="idv/senshaw/codegen/action
/*.java" />
<include name="idv/senshaw/codegen/form
/*.java" />
</fileset>
<!--(3)-->	
<deploymentdescriptor destdir="${web.
deployment.dir}/WEB-INF" distributable=
"false" />
	  			
<jbosswebxml destdir="${web.deployment.dir}
/WEB-INF" />
<!--(4)-->		
<strutsconfigxml version="1.1" destDir=
"${web.deployment.dir}/WEB-INF" />
<strutsvalidationxml destDir=
"${web.deployment.dir}/WEB-INF" />			
		
</webdoclet>
	  
</target>
-----end-----

-----box-----
#程式9
ant clean
ant gen-struts
-----end-----