package org.mentawai.filter;
 
 import java.util.Iterator;
 import java.util.List;
 
 import org.mentawai.core.Filter;
 import org.mentawai.core.Input;
 import org.mentawai.core.InvocationChain;
 import org.springframework.beans.factory.BeanFactory;
 
 /**
  * 
  * A integration of <a href="http://www.springframework.org">Spring Framework</a>
  * with Mentawai Web Framework. <br>
  * This filter injects in the Input of the filtered action the beans which the
  * name is defined in a given List and instanciated by a
  * org.springframework.beans.factory.BeanFactory.
  * 
  * @author Rubem Azenha (rubem.azenha@gmail.com)
  */
 public class SpringFilter implements Filter {
 	/**
 	 * The org.springframework.beans.factory.BeanFactory used to instanciate the
 	 * beans.
 	 */
 	private BeanFactory beanFactory;
 	/**
 	 * A List with the name of the beans that have to be instanciated
 	 */
 	private List beans;
 
 	public SpringFilter(BeanFactory beanFactory, List beans) {
 		this.beanFactory = beanFactory;
 		this.beans = beans;
 	}
 
 	/**
 	 * Use the beanFactory attribute to instanciate all the beans named in the
 	 * List beans and injects the beans into the action's Input.
 	 */
 	public String filter(InvocationChain chain) throws Exception {
 		Input input = chain.getAction().getInput();
 		for (Iterator iterator = beans.iterator(); iterator.hasNext();) {
 			String beanName = (String) iterator.next();
 			Object bean = beanFactory.getBean(beanName);
 			input.setValue(beanName, bean);
 		}
 		return chain.invoke();
 	}
 
 	/**
 	 * Does nothing by default.
 	 */
 	public void destroy() {
 	}
 }
 

 package org.mentawai.filter;
 
 import java.util.Iterator;
 import java.util.List;
 
 import org.mentawai.core.Filter;
 import org.mentawai.core.Input;
 import org.mentawai.core.InvocationChain;
 import org.springframework.beans.factory.ListableBeanFactory;
 
 /**
  * 
  * A integration of <a href="http://www.springframework.org">Spring Framework</a>
  * with Mentawai Web Framework. <br>
  * This filter injects in the Input of the filtered action the beans which the
  * name is defined in a given List and instanciated by a
  * org.springframework.beans.factory.ListableBeanFactory.
  * 
  * @author Rubem Azenha (rubem.azenha@gmail.com)
  */
 public class SpringFilter implements Filter {
 
     /**
       * The org.springframework.beans.factory.ListableBeanFactory used to instanciate the beans.
       */
     private ListableBeanFactory listableBeanFactory;
     /**
       * A List with the name of the beans that have to be instanciated
       */
     private List beans;
 
     /**
       * @param listableBeanFactory BeanFactory witch will have all registered beans
       *                            passed as input to the action input
       */
     public SpringFilter(ListableBeanFactory listableBeanFactory) {
         this(listableBeanFactory, null);
     }
 
     /**
       * @param listableBeanFactory BeanFactory witch will have all beans
       *                            passed as input to the action input
       * @param beans list of string (shouldnt it be generified??) that
       *              contains strings with of spring controlled beans.
       *              With null <b>all</b> spring beans registered will
       *              be passed as input to the action input
       */
     public SpringFilter(ListableBeanFactory listableBeanFactory, List beans) {
         this.listableBeanFactory = listableBeanFactory;
         this.beans = beans;
     }
 
     /**
       * Use the ListableBeanFactory attribute to instanciate all the beans named in the
       * List beans and injects the beans into the action's Input.
       */
     public String filter(InvocationChain chain) throws Exception {
         Input input = chain.getAction().getInput();
         if(ListableBeanFactory!=null) {
             if(beans!null) {
                 //the developer want to pass what bean he will need
                 for (Iterator iterator = beans.iterator(); iterator.hasNext();) {
                     String beanName = (String) iterator.next();
                     Object bean = listableBeanFactory.getBean(beanName);
                     input.setValue(beanName, bean);
                 }
             } else {
                 //the developer doesn't want to pass what bean he will need
                 //we will put all beans definitions in the input
                 String[] beanArray = listableBeanFactory.getBeanDefinitionNames();
                 int beanArraySize = beanArray.size();
                 for(int i = 0;i<beanArraySize;i++){
                     String beanName = beanArray[i];
                     Object bean = listableBeanFactory.getBean(beanName);
                     input.setValue(beanName, bean);
                 }
             }
         }
         return chain.invoke();
     }
 
     /**
       * Does nothing by default.
       */
     public void destroy() {
     }
 }
 

  public class ApplicationManager extends org.mentawai.core.ApplicationManager {
     //...
     private ListableBeanFactory listableBeanFactory = null;
     //...
     public void init() {
         //...
         listableBeanFactory = new XmlBeanFactory(new ClassPathResource("beans.xml"));
     }
 
     public void loadActions() {
         ActionConfig ac = new ActionConfig(MinhaAction.class);
         ac.addFilter(new SpringFilter(listableBeanFactory));
     }
 }
 

         listableBeanFactory = new XmlBeanFactory(new ClassPathResource("beans.xml"));
 

 public class ApplicationManager extends org.mentawai.core.ApplicationManager {
     //...
     private org.springframework.web.context.WebApplicationContext wac = null;
     //...
     public void init(org.mentawai.core.Context application) {
         ServletContext sc = null;
         if (application instanceof ApplicationContext) {
             ApplicationContext ac = (ApplicationContext) application;
             sc = ac.getServletContext();
         }
         wac = org.springframework.web.context.WebApplicationContextUtils.getWebApplicationContext(sc);
      }
  
     public void loadActions() {
         ActionConfig ac = new ActionConfig(MinhaAction.class);
         ac.addFilter(new SpringFilter(wac));
     }
  }