View Javadoc

1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  
28  package org.apache.http;
29  
30  import java.util.Iterator;
31  
32  /**
33   * A type-safe iterator for {@link HeaderElement} objects.
34   *
35   * @since 4.0
36   */
37  public interface HeaderElementIterator extends Iterator<Object> {
38  
39      /**
40       * Indicates whether there is another header element in this
41       * iteration.
42       *
43       * @return  {@code true} if there is another header element,
44       *          {@code false} otherwise
45       */
46      @Override
47      boolean hasNext();
48  
49      /**
50       * Obtains the next header element from this iteration.
51       * This method should only be called while {@link #hasNext hasNext}
52       * is true.
53       *
54       * @return  the next header element in this iteration
55       */
56      HeaderElement nextElement();
57  
58  }