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      1 /*
      2  * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/HeaderElementIterator.java $
      3  * $Revision: 584542 $
      4  * $Date: 2007-10-14 06:29:34 -0700 (Sun, 14 Oct 2007) $
      5  *
      6  * ====================================================================
      7  * Licensed to the Apache Software Foundation (ASF) under one
      8  * or more contributor license agreements.  See the NOTICE file
      9  * distributed with this work for additional information
     10  * regarding copyright ownership.  The ASF licenses this file
     11  * to you under the Apache License, Version 2.0 (the
     12  * "License"); you may not use this file except in compliance
     13  * with the License.  You may obtain a copy of the License at
     14  *
     15  *   http://www.apache.org/licenses/LICENSE-2.0
     16  *
     17  * Unless required by applicable law or agreed to in writing,
     18  * software distributed under the License is distributed on an
     19  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     20  * KIND, either express or implied.  See the License for the
     21  * specific language governing permissions and limitations
     22  * under the License.
     23  * ====================================================================
     24  *
     25  * This software consists of voluntary contributions made by many
     26  * individuals on behalf of the Apache Software Foundation.  For more
     27  * information on the Apache Software Foundation, please see
     28  * <http://www.apache.org/>.
     29  *
     30  */
     31 
     32 package org.apache.http;
     33 
     34 import java.util.Iterator;
     35 
     36 /**
     37  * A type-safe iterator for {@link HeaderElement HeaderElement} objects.
     38  *
     39  * @version $Revision: 584542 $
     40  */
     41 public interface HeaderElementIterator extends Iterator {
     42 
     43     /**
     44      * Indicates whether there is another header element in this
     45      * iteration.
     46      *
     47      * @return  <code>true</code> if there is another header element,
     48      *          <code>false</code> otherwise
     49      */
     50     boolean hasNext();
     51 
     52     /**
     53      * Obtains the next header element from this iteration.
     54      * This method should only be called while {@link #hasNext hasNext}
     55      * is true.
     56      *
     57      * @return  the next header element in this iteration
     58      */
     59     HeaderElement nextElement();
     60 
     61 }
     62