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.doxia.sink.impl;
20
21 import org.apache.maven.doxia.index.IndexEntry;
22 import org.apache.maven.doxia.index.IndexingSink;
23 import org.apache.maven.doxia.macro.toc.TocMacro;
24 import org.apache.maven.doxia.sink.Sink;
25
26 /**
27 * Sink wrapper which emits anchors for each entry detected by the underlying {@link IndexingSink}.
28 * It only creates an anchor if there is no accompanying anchor detected for the according entry.
29 * @see TocMacro
30 */
31 public class CreateAnchorsForIndexEntries extends IndexingSink {
32
33 public CreateAnchorsForIndexEntries(Sink delegate) {
34 super(delegate);
35 }
36
37 @Override
38 protected void onIndexEntry(IndexEntry entry) {
39 if (!entry.hasAnchor()) {
40 getWrappedSink().anchor(entry.getId());
41 getWrappedSink().anchor_();
42 }
43 }
44 }