1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.maven.model.transform;
20
21 import java.util.List;
22 import java.util.regex.Pattern;
23
24 import org.apache.maven.model.transform.pull.NodeBufferingParser;
25 import org.codehaus.plexus.util.xml.pull.XmlPullParser;
26
27 /**
28 * Remove relativePath element, has no value for consumer pom
29 *
30 * @author Robert Scholte
31 * @author Guillaume Nodet
32 * @since 4.0.0
33 */
34 public class RelativePathXMLFilter extends NodeBufferingParser {
35
36 private static final Pattern S_FILTER = Pattern.compile("\\s+");
37
38 public RelativePathXMLFilter(XmlPullParser xmlPullParser) {
39 super(xmlPullParser, "parent");
40 }
41
42 protected void process(List<Event> buffer) {
43 boolean skip = false;
44 Event prev = null;
45 for (Event event : buffer) {
46 if (event.event == START_TAG && "relativePath".equals(event.name)) {
47 skip = true;
48 if (prev != null
49 && prev.event == TEXT
50 && S_FILTER.matcher(prev.text).matches()) {
51 prev = null;
52 }
53 event = null;
54 } else if (event.event == END_TAG && "relativePath".equals(event.name)) {
55 skip = false;
56 event = null;
57 } else if (skip) {
58 event = null;
59 }
60 if (prev != null) {
61 pushEvent(prev);
62 }
63 prev = event;
64 }
65 pushEvent(prev);
66 }
67 }