/*

  * 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.Map;

 import org.seasar.framework.container.ComponentDef;

 import org.seasar.framework.container.impl.ComponentDefImpl;

 import org.seasar.framework.util.ClassUtil;

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

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

 import org.seasar.teeda.core.exception.ManagedBeanDuplicateRegisterException;

 import org.seasar.teeda.core.managedbean.ManagedBeanFactory;

 import org.seasar.teeda.core.scope.Scope;

 import org.seasar.teeda.core.scope.ScopeManager;

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

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

 /**

  * @author shot

  */

 public class DefaultManagedBeanAssembler extends ManagedBeanAssembler {

     private ManagedBeanFactory managedBeanFactory;

     private ScopeManager scopeManager;

     public DefaultManagedBeanAssembler(Map managedBeans) {

         super(managedBeans);

     }

     protected void setupBeforeAssemble() {

         managedBeanFactory = (ManagedBeanFactory) DIContainerUtil

                 .getComponent(ManagedBeanFactory.class);

         scopeManager = (ScopeManager) DIContainerUtil

                 .getComponent(ScopeManager.class);

     }

     public void assemble() {

         for (Iterator itr = IteratorUtil.getEntryIterator(getManagedBeans()); itr

                 .hasNext();) {

             Map.Entry entry = (Map.Entry) itr.next();

             ManagedBeanElement element = (ManagedBeanElement) entry.getValue();

             String mbName = (String) entry.getKey();

             String mbClassName = element.getManagedBeanClass();

             String mbScope = element.getManagedBeanScope();

             assertNotRegisteredYet(mbName);

             Scope scope = getScopeManager().getScope(mbScope);

             Class clazz = ClassUtil.forName(mbClassName);

             ComponentDef cDef = new ComponentDefImpl(clazz, mbName);

             registerManagedBean(cDef, scope);

         }

     }

     protected void registerManagedBean(ComponentDef componentDef, Scope scope) {

         getManagedBeanFactory().registerManagedBean(componentDef, scope);

     }

     protected ManagedBeanFactory getManagedBeanFactory() {

         return this.managedBeanFactory;

     }

     protected ScopeManager getScopeManager() {

         return this.scopeManager;

     }

     private void assertNotRegisteredYet(String managedBeanName) {

         Object managedBean = managedBeanFactory.getManagedBean(managedBeanName);

         if (managedBean != null) {

             throw new ManagedBeanDuplicateRegisterException(managedBeanName);

         }

     }

 }