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
32package org.apache.http;
33
34import java.util.Iterator;
35
36/**
37 * A type-safe iterator for {@link HeaderElement HeaderElement} objects.
38 *
39 * @version $Revision: 584542 $
40 */
41public 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