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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 org.apache.maven.model.transform.pull.NodeBufferingParser;
23  import org.codehaus.plexus.util.xml.pull.XmlPullParser;
24  
25  /**
26   * Remove relativePath element, has no value for consumer pom
27   *
28   * @author Robert Scholte
29   * @author Guillaume Nodet
30   * @since 4.0.0
31   */
32  public class RelativePathXMLFilter extends NodeBufferingParser {
33  
34      public RelativePathXMLFilter(XmlPullParser xmlPullParser) {
35          super(xmlPullParser, "parent");
36      }
37  
38      protected void process(List<Event> buffer) {
39          boolean skip = false;
40          Event prev = null;
41          for (Event event : buffer) {
42              if (event.event == START_TAG && "relativePath".equals(event.name)) {
43                  skip = true;
44                  if (prev != null && prev.event == TEXT && prev.text.matches("\\s+")) {
45                      prev = null;
46                  }
47                  event = null;
48              } else if (event.event == END_TAG && "relativePath".equals(event.name)) {
49                  skip = false;
50                  event = null;
51              } else if (skip) {
52                  event = null;
53              }
54              if (prev != null) {
55                  pushEvent(prev);
56              }
57              prev = event;
58          }
59          pushEvent(prev);
60      }
61  }