/*

  * 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.impl;

 import java.util.Iterator;

 import java.util.List;

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

 import org.seasar.teeda.core.config.faces.element.impl.FacesConfigWrapperImpl;

 /**

  * @author shot

  */

 public class FacesConfigUtil {

     private FacesConfigUtil() {

     }

     public static FacesConfig collectAllFacesConfig(List configs) {

         isAllFacesConfig(configs);

         FacesConfig wrappedFacesConfig = new FacesConfigWrapperImpl(configs);

         return wrappedFacesConfig;

     }

     public static void isAllFacesConfig(List configs) {

         if (configs == null) {

             throw new IllegalArgumentException();

         }

         for (Iterator itr = configs.iterator(); itr.hasNext();) {

             if (!(itr.next() instanceof FacesConfig)) {

                 throw new IllegalStateException();

             }

         }

     }

 }