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From Apache Wiki <wikidi...@apache.org>
Subject [Tapestry Wiki] Update of "AcegiSpringJava5" by JesperZedlitz
Date Tue, 11 Jul 2006 18:22:57 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Tapestry Wiki" for change notification.

The following page has been changed by JesperZedlitz:
http://wiki.apache.org/tapestry/AcegiSpringJava5

New page:
The integration of Tapestry, Acegi and Spring seems to be a hot topic.

I have created a simple example that shows how that can be done. The
complete source code can be found here:
http://www.zedlitz.de/tapestry-acegi.zip (8kB)

If you have Maven2 installed you can go into the directoy tapestry-acegi and
enter the command "mvn jetty6:run". Then you can access the application via
this URL: http://localhost:8080/tapestry-acegi/app

= html pages =
First I needed two pages (one secured):

{{{src/main/webapp/Home.html}}}
{{{
<html>
  <head>
    <title>tapestry-acegi: normal page</title>
  </head>
  <body>
    <h1>tapestry-acegi: normal page</h1>
    <p><a href="Secured.html" jwcid="@PageLink" page="Secured">secured page</a></p>
  </body>
</html>
}}}

{{{src/main/webapp/Secured.html}}}
{{{
<html>
  <head>
    <title>tapestry-acegi: secured page</title>
  </head>
  <body>
    <h1>tapestry-acegi: secured page</h1>
    <p><a href="Home.html" jwcid="@PageLink" page="Home">back to homepage</a></p>
  </body>
</html>
}}}

= Java classes =
Each of these pages is accompanied by a (trivial) Java class:

{{{src/main/java/de/zedlitz/tapestry/acegi/Home.java}}}
{{{
package de.zedlitz.tapestry.acegi;
public abstract class Home extends org.apache.tapestry.html.BasePage { }
}}}
{{{src/main/java/de/zedlitz/tapestry/acegi/Secured.java}}}
{{{
package de.zedlitz.tapestry.acegi;

@org.acegisecurity.annotation.Secured("ROLE_USER")
public abstract class Secured extends org.apache.tapestry.html.BasePage { }
}}}

This is the only place where you have to specify that this page is secured! :-)

= Tapestry configuration =
I have to tell Tapestry in which package to find the classes:

{{{src/main/webapp/WEB-INF/tapestry-acegi.application}}}
{{{
<?xml version="1.0"?>
<!DOCTYPE application PUBLIC 
  "-//Apache Software Foundation//Tapestry Specification 4.0//EN"
  "http://jakarta.apache.org/tapestry/dtd/Tapestry_4_0.dtd">

<application>
    <meta key="org.apache.tapestry.page-class-packages" value="de.zedlitz.tapestry.acegi"/>
</application>
}}}

= web.xml =
A standard webapplication setup for Tapestry and Spring:

{{{src/main/webapp/WEB-INF/web.xml}}}
{{{
<!DOCTYPE web-app
       PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
       "http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
     <display-name>tapestry-acegi</display-name>

     <servlet>
        <servlet-name>tapestry-acegi</servlet-name>
        <servlet-class>org.apache.tapestry.ApplicationServlet</servlet-class>
        <load-on-startup>0</load-on-startup>
     </servlet>

     <servlet-mapping>
         <servlet-name>tapestry-acegi</servlet-name>
         <url-pattern>/app</url-pattern>
     </servlet-mapping>

     <context-param>
         <param-name>contextConfigLocation</param-name>
         <param-value>classpath:/applicationContext.xml</param-value>
     </context-param>

     <listener>
         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
     </listener>
</web-app>
}}}

= Spring configuration =
The Spring configuration is also not spectacular. Only one bean, the "memoryAuthenticationDao"
is defined. In the example the username and password is specified here. But of course you
can put any complex bean here to retrieve user information.

{{{src/main/resources/applicationContext.xml}}}
{{{
<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE beans PUBLIC
    "-//SPRING//DTD BEAN//EN"
    "http://www.springframework.org/dtd/spring-beans.dtd">

<beans>
    <bean id="memoryAuthenticationDao" class="org.acegisecurity.userdetails.memory.InMemoryDaoImpl">
        <property name="userMap">
            <value>
                tester=secret,ROLE_USER,ROLE_SUPERVISOR
            </value>
        </property>
    </bean>
</beans>
}}}

= hivemodule.xml =
Now the interesting part - how to put it together:

{{{src/main/resources/META-INF/hivemodule.xml}}}
{{{
<module id="de.zedlitz.tapestry.acegi" version="1.0.0">
    <contribution configuration-id="hivemind.ApplicationDefaults">
        <default 
           symbol="hivemind.acegi.dao.passwordEncoder"
           value="org.acegisecurity.providers.encoding.PlaintextPasswordEncoder"/>
    </contribution>

    <implementation service-id="hivemind.acegi.dao.UserDetailsService">
        <invoke-factory service-id="hivemind.lib.SpringLookupFactory">
          <lookup-bean name="memoryAuthenticationDao" />
        </invoke-factory>
    </implementation>

    <contribution configuration-id="hivemind.acegi.AccessDecisionVoters">
       <voter object="instance:org.acegisecurity.vote.RoleVoter" />
    </contribution>

    <contribution configuration-id="hivemind.ApplicationDefaults">
       <default symbol="hivemind.acegi.dao.systemWideSalt" value="" />
    </contribution>
</module>
}}}

= pom.xml =
{{{pom.xml}}}
{{{
<?xml version="1.0"?>
<project>
   <modelVersion>4.0.0</modelVersion>
   <groupId>de.zedlitz</groupId>
   <artifactId>tapestry-acegi</artifactId>
   <packaging>war</packaging>
   <name>tapestry-acegi</name>
   <version>1.0-SNAPSHOT</version>
   <description>a very simple example that shows how to integrate Tapestry4 and Acegi</description>
   <build>
      <finalName>tapestry-acegi</finalName>
      <plugins>
         <plugin>
            <artifactId>maven-compiler-plugin</artifactId>
            <configuration>
               <source>1.5</source>
               <target>1.5</target>
            </configuration>
         </plugin>
         <plugin>
            <groupId>org.mortbay.jetty</groupId>
            <artifactId>maven-jetty6-plugin</artifactId>
            <version>6.0.0beta17</version>
         </plugin>
      </plugins>
   </build>

   <dependencies>
      <dependency>
         <groupId>tapestry</groupId>
         <artifactId>tapestry-annotations</artifactId>
         <version>4.0.1</version>
      </dependency>
      <dependency>
         <groupId>tapestry</groupId>
         <artifactId>tapestry</artifactId>
         <version>4.0.1</version>
      </dependency>
      <dependency>
         <artifactId>acegi-security-tiger</artifactId>
         <groupId>org.acegisecurity</groupId>
         <version>1.0.1</version>
      </dependency>
      <dependency>
      <groupId>com.javaforge.tapestry</groupId>
      <artifactId>tapestry-acegi</artifactId>
      <version>0.1-SNAPSHOT</version>
         </dependency>
      <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring</artifactId>
         <version>1.2.6</version>
      </dependency>
      <dependency>
         <groupId>com.javaforge.hivemind</groupId>
         <artifactId>hivemind-acegi-dao</artifactId>
         <version>0.1-SNAPSHOT</version>
      </dependency> 
      <dependency>
         <groupId>com.javaforge.tapestry</groupId>
         <artifactId>tapestry-spring</artifactId>
         <version>0.1.2</version>
      </dependency>
      <dependency>
         <groupId>hivemind</groupId>
         <artifactId>hivemind-lib</artifactId>
         <version>1.1.1</version>
      </dependency>
   </dependencies>
   
   <repositories>
      <repository>
         <id>carmanconsulting</id>
         <name>carmanconsulting</name>
         <url>http://www.carmanconsulting.com/mvn/</url>
      </repository>
   </repositories>
</project>
}}}

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