View Javadoc
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.tools.plugin.extractor.annotations.converter.tag;
20  
21  import java.util.regex.Pattern;
22  
23  import org.apache.maven.tools.plugin.extractor.annotations.converter.ConverterContext;
24  import org.apache.maven.tools.plugin.extractor.annotations.converter.tag.block.JavadocBlockTagToHtmlConverter;
25  import org.apache.maven.tools.plugin.extractor.annotations.converter.tag.inline.JavadocInlineTagToHtmlConverter;
26  
27  /**
28   * Common base class of both {@link JavadocBlockTagToHtmlConverter} and {@link JavadocInlineTagToHtmlConverter}.
29   */
30  public abstract class JavadocTagToHtmlConverter {
31  
32      private static final Pattern LT = Pattern.compile("<");
33      private static final Pattern GT = Pattern.compile(">");
34  
35      /**
36       *
37       * @param text the value of the tag
38       * @param context the content of the tag (may be empty in case there was no content given)
39       * @return the converted text which represents the tag with the given value in html
40       */
41      public abstract String convert(String text, ConverterContext context);
42  
43      /** Mostly a copy of {@code org.codehaus.plexus.util.xml.PrettyPrintXMLWriter#escapeXml(String)}. */
44      protected static String escapeXmlElement(String text) {
45          if (text.indexOf('<') >= 0) {
46              text = LT.matcher(text).replaceAll("&lt;");
47          }
48  
49          if (text.indexOf('>') >= 0) {
50              text = GT.matcher(text).replaceAll("&gt;");
51          }
52          return text;
53      }
54  }