001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019package org.apache.maven.doxia.sink.impl; 020 021import org.apache.maven.doxia.index.IndexEntry; 022import org.apache.maven.doxia.index.IndexingSink; 023import org.apache.maven.doxia.macro.toc.TocMacro; 024import org.apache.maven.doxia.sink.Sink; 025 026/** 027 * Sink wrapper which emits anchors for each entry detected by the underlying {@link IndexingSink}. 028 * It only creates an anchor if there is no accompanying anchor detected for the according entry. 029 * @see TocMacro 030 */ 031public class CreateAnchorsForIndexEntries extends IndexingSink { 032 033 public CreateAnchorsForIndexEntries(Sink delegate) { 034 super(delegate); 035 } 036 037 @Override 038 protected void onIndexEntry(IndexEntry entry) { 039 if (!entry.hasAnchor()) { 040 getWrappedSink().anchor(entry.getId()); 041 getWrappedSink().anchor_(); 042 } 043 } 044}