1   /*
    2    * Copyright 2004 The Apache Software Foundation.
    3    * 
    4    * Licensed under the Apache License, Version 2.0 (the "License");
    5    * you may not use this file except in compliance with the License.
    6    * You may obtain a copy of the License at
    7    * 
    8    *      http://www.apache.org/licenses/LICENSE-2.0
    9    * 
   10    * Unless required by applicable law or agreed to in writing, software
   11    * distributed under the License is distributed on an "AS IS" BASIS,
   12    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   13    * See the License for the specific language governing permissions and
   14    * limitations under the License.
   15    */
   16   package javax.faces.component;
   17   
   18   import java.util.Iterator;
   19   import java.util.List;
   20   import java.util.Map;
   21   import java.util.NoSuchElementException;
   22   
   23   /**
   24    * @author Manfred Geiler (latest modification by $Author: mwessendorf $)
   25    * @version $Revision: 166994 $ $Date: 2004-07-01 18:12:40 -0400 (Thu, 01 Jul 2004) $
   26    */
   27   class _FacetsAndChildrenIterator
   28           implements Iterator
   29   {
   30       private Iterator _facetsIterator;
   31       private Iterator _childrenIterator;
   32   
   33       _FacetsAndChildrenIterator(Map facetMap, List childrenList)
   34       {
   35           _facetsIterator   = facetMap != null ? facetMap.values().iterator() : null;
   36           _childrenIterator = childrenList != null ? childrenList.iterator() : null;
   37       }
   38   
   39       public boolean hasNext()
   40       {
   41           return (_facetsIterator != null && _facetsIterator.hasNext()) ||
   42                  (_childrenIterator != null && _childrenIterator.hasNext());
   43       }
   44   
   45       public Object next()
   46       {
   47           if (_facetsIterator != null && _facetsIterator.hasNext())
   48           {
   49               return _facetsIterator.next();
   50           }
   51           else if (_childrenIterator != null && _childrenIterator.hasNext())
   52           {
   53               return _childrenIterator.next();
   54           }
   55           else
   56           {
   57               throw new NoSuchElementException();
   58           }
   59       }
   60   
   61       public void remove()
   62       {
   63           throw new UnsupportedOperationException(this.getClass().getName() + " UnsupportedOperationException");
   64       }
   65   
   66   }