| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| */ |
| package org.apache.wiki.tags; |
| |
| import java.io.IOException; |
| |
| import javax.servlet.jsp.JspWriter; |
| |
| import org.apache.wiki.InternalWikiException; |
| import org.apache.wiki.WikiContext; |
| import org.apache.wiki.WikiPage; |
| |
| /** |
| * Writes a comment link. Body of the link becomes the link text. |
| * <P><B>Attributes</B></P> |
| * <UL> |
| * <LI>page - Page name to refer to. Default is the current page. |
| * <LI>format - Format, either "anchor" or "url". |
| * </UL> |
| * |
| * @since 2.0 |
| */ |
| public class CommentLinkTag |
| extends WikiLinkTag |
| { |
| private static final long serialVersionUID = 0L; |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public final int doWikiStartTag() |
| throws IOException |
| { |
| WikiPage page = null; |
| String pageName = null; |
| |
| // |
| // Determine the page and the link. |
| // |
| if( m_pageName == null ) |
| { |
| page = m_wikiContext.getPage(); |
| if( page == null ) |
| { |
| // You can't call this on the page itself anyways. |
| return SKIP_BODY; |
| } |
| |
| pageName = page.getName(); |
| } |
| else |
| { |
| pageName = m_pageName; |
| } |
| |
| // |
| // Finally, print out the correct link, according to what |
| // user commanded. |
| // |
| JspWriter out = pageContext.getOut(); |
| |
| switch( m_format ) |
| { |
| case ANCHOR: |
| out.print("<a href=\""+getCommentURL(pageName)+"\">"); |
| break; |
| |
| case URL: |
| out.print( getCommentURL(pageName) ); |
| break; |
| |
| default: |
| throw new InternalWikiException("Impossible format "+m_format); |
| |
| } |
| |
| return EVAL_BODY_INCLUDE; |
| } |
| |
| private String getCommentURL( String pageName ) |
| { |
| return m_wikiContext.getURL(WikiContext.COMMENT, pageName); |
| } |
| |
| } |