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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (WW-4875) Java configuration
Date Tue, 24 Oct 2017 19:40:00 GMT

    [ https://issues.apache.org/jira/browse/WW-4875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16217537#comment-16217537
] 

ASF GitHub Bot commented on WW-4875:
------------------------------------

aleksandr-m opened a new pull request #177: WW-4875 Add ability to use Java based configuration
URL: https://github.com/apache/struts/pull/177
 
 
   ## WIP - Don't merge this yet!
   
   ### Things to todo / improve
   
   - `Location` for java based configuration is currently `UNKNOWN`
   - `ConstantConfig` for plugins (convention, rest, spring, etc)
   - `unknownHandlerStack` configuration in current implementation is a list of strings
   
   ### Usage
   
   #### web.xml
   
   ```
   <filter>
       <filter-name>struts2</filter-name>
       <filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class>
       <init-param>
       	<param-name>javaConfigClasses</param-name>
       	<param-value>com.example.AppConf</param-value>
       </init-param>
   </filter>
   ```
   
   
   #### com.example.AppConf
   
   ```
   public class AppConf implements StrutsJavaConfiguration {
       @Override
       public List<ConstantConfig> constants() {
           ConstantConfig c = new ConstantConfig();
           c.setDevMode(true);
           c.setObjectFactory(customObjectFactory());
           return Arrays.asList(c);
       }
   
       @Override
       public List<BeanConfig> beans() {
           List<BeanConfig> list = new ArrayList<>();
           list.add(new BeanConfig(SomeBean.class));
           list.add(customObjectFactory());
           return list;
       }
   
       @Override
       public List<String> unknownHandlerStack() {
           return null;
       }
   
       private BeanConfig customObjectFactory() {
           return new BeanConfig(CustomObjectFactory.class,
                                 "customObjectFactory", ObjectFactory.class);
       }
   }
   ```
   

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> Java configuration
> ------------------
>
>                 Key: WW-4875
>                 URL: https://issues.apache.org/jira/browse/WW-4875
>             Project: Struts 2
>          Issue Type: Improvement
>    Affects Versions: 2.5.13
>            Reporter: Aleksandr Mashchenko
>            Assignee: Aleksandr Mashchenko
>             Fix For: 2.6
>
>
> Some people are allergic to XML and even with convention plugin currently there is no
way to define properties w/o struts.xml or properties file.
> It would be great to add the ability to configure app via java configuration.
> We can start with adding support for constant, bean and unknown-handler-stack and see
how it goes.



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