/*

  * Copyright 2004-2011 the Seasar Foundation and the Others.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,

  * either express or implied. See the License for the specific language

  * governing permissions and limitations under the License.

  */

 package org.seasar.teeda.core.config.faces.assembler.impl;

 import java.util.Iterator;

 import java.util.List;

 import org.seasar.teeda.core.application.navigation.NavigationCaseContext;

 import org.seasar.teeda.core.application.navigation.NavigationContext;

 import org.seasar.teeda.core.application.navigation.NavigationResource;

 import org.seasar.teeda.core.config.faces.assembler.NavigationRuleAssembler;

 import org.seasar.teeda.core.config.faces.element.NavigationCaseElement;

 import org.seasar.teeda.core.config.faces.element.NavigationRuleElement;

 import org.seasar.teeda.core.util.IteratorUtil;

 /**

  * @author shot

  */

 public class DefaultNavigationRuleAssembler extends NavigationRuleAssembler {

     public DefaultNavigationRuleAssembler(List navigationRules) {

         super(navigationRules);

     }

     protected void setupBeforeAssemble() {

         for (Iterator itr = IteratorUtil.getIterator(getNavigationRules()); itr

                 .hasNext();) {

             NavigationRuleElement rule = (NavigationRuleElement) itr.next();

             isAllSuitableJsfElement(rule.getNavigationCaseElements(),

                     NavigationCaseElement.class);

         }

     }

     public void assemble() {

         for (Iterator itr = IteratorUtil.getIterator(getNavigationRules()); itr

                 .hasNext();) {

             NavigationRuleElement rule = (NavigationRuleElement) itr.next();

             NavigationContextWrapper wrapper = new NavigationContextWrapper(

                     rule);

             NavigationResource.addNavigationContext(wrapper);

         }

     }

     public static class NavigationContextWrapper extends NavigationContext {

         public NavigationContextWrapper(NavigationRuleElement navigationRule) {

             String fromViewId = navigationRule.getFromViewId();

             if (fromViewId != null) {

                 setFromViewId(fromViewId);

             }

             toNavigationCaseContext(navigationRule);

         }

         private void toNavigationCaseContext(

                 NavigationRuleElement navigationRule) {

             List navigationCases = navigationRule.getNavigationCaseElements();

             for (Iterator itr = IteratorUtil.getIterator(navigationCases); itr

                     .hasNext();) {

                 NavigationCaseElement caseElement = (NavigationCaseElement) itr

                         .next();

                 addNavigationCaseContext(new NavigationCaseContextWrapper(

                         caseElement));

             }

         }

     }

     public static class NavigationCaseContextWrapper extends

             NavigationCaseContext {

         public NavigationCaseContextWrapper(NavigationCaseElement element) {

             super(element.getFromAction(), element.getFromOutcome(), element

                     .getToViewId(), element.isRedirect());

         }

     }

 }