1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.commons.net.nntp;
19
20 import java.util.Iterator;
21
22 /**
23 * Class which wraps an {@code Iterable<String>} of raw article information to generate an {@code Iterable<Article>} of the parsed information.
24 *
25 * @since 3.0
26 */
27 class ArticleIterator implements Iterator<Article>, Iterable<Article> {
28
29 private final Iterator<String> stringIterator;
30
31 public ArticleIterator(final Iterable<String> iterableString) {
32 stringIterator = iterableString.iterator();
33 }
34
35 @Override
36 public boolean hasNext() {
37 return stringIterator.hasNext();
38 }
39
40 @Override
41 public Iterator<Article> iterator() {
42 return this;
43 }
44
45 /**
46 * Get the next Article
47 *
48 * @return the next {@link Article}, never {@code null}, if unparseable then isDummy() will be true, and the subject will contain the raw info.
49 */
50 @Override
51 public Article next() {
52 final String line = stringIterator.next();
53 return NNTPClient.parseArticleEntry(line);
54 }
55
56 @Override
57 public void remove() {
58 stringIterator.remove();
59 }
60 }