001package ball.tools.javadoc; 002/*- 003 * ########################################################################## 004 * Utilities 005 * $Id: LinkThisTaglet.html 5431 2020-02-12 19:03:17Z ball $ 006 * $HeadURL: svn+ssh://svn.hcf.dev/var/spool/scm/repository.svn/hcf-dev/blog/2019-03-30-java-interface-facades/src/main/resources/javadoc/src-html/ball/tools/javadoc/LinkThisTaglet.html $ 007 * %% 008 * Copyright (C) 2008 - 2020 Allen D. Ball 009 * %% 010 * Licensed under the Apache License, Version 2.0 (the "License"); 011 * you may not use this file except in compliance with the License. 012 * You may obtain a copy of the License at 013 * 014 * http://www.apache.org/licenses/LICENSE-2.0 015 * 016 * Unless required by applicable law or agreed to in writing, software 017 * distributed under the License is distributed on an "AS IS" BASIS, 018 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 019 * See the License for the specific language governing permissions and 020 * limitations under the License. 021 * ########################################################################## 022 */ 023import ball.annotation.ServiceProviderFor; 024import ball.lang.Keyword; 025import ball.xml.FluentNode; 026import com.sun.javadoc.Tag; 027import com.sun.tools.doclets.Taglet; 028import java.util.Map; 029import lombok.NoArgsConstructor; 030import lombok.ToString; 031 032import static org.apache.commons.lang3.StringUtils.isNotEmpty; 033 034/** 035 * Inline {@link Taglet} to provide {@link.this} links. 036 * 037 * @author {@link.uri mailto:ball@hcf.dev Allen D. Ball} 038 * @version $Revision: 5431 $ 039 */ 040@ServiceProviderFor({ Taglet.class }) 041@TagletName("link.this") 042@NoArgsConstructor @ToString 043public class LinkThisTaglet extends AbstractInlineTaglet 044 implements SunToolsInternalToolkitTaglet { 045 private static final LinkThisTaglet INSTANCE = new LinkThisTaglet(); 046 047 public static void register(Map<Object,Object> map) { 048 register(map, INSTANCE); 049 } 050 051 @Override 052 public FluentNode toNode(Tag tag) throws Throwable { 053 if (isNotEmpty(tag.text().trim())) { 054 throw new IllegalArgumentException("Invalid argument"); 055 } 056 057 return a(tag, 058 getClassFor(getContainingClassDocFor(tag)), 059 Keyword.THIS.lexeme()); 060 } 061}