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.wiki.tags; 020 021import java.io.IOException; 022import javax.servlet.jsp.JspWriter; 023 024import org.apache.wiki.WikiContext; 025import org.apache.wiki.WikiEngine; 026import org.apache.wiki.WikiPage; 027 028/** 029 * Writes a link to the Wiki PageInfo. Body of the link becomes the actual text. 030 * 031 * <P><B>Attributes</B></P> 032 * <UL> 033 * <LI>page - Page name to refer to. Default is the current page. 034 * <LI>title - Is used in page actions to display hover text (tooltip) 035 * <LI>accesskey - Set an accesskey (ALT+[Char]) 036 * </UL> 037 * 038 * @since 2.0 039 */ 040// FIXME: Refactor together with LinkToTag and EditLinkTag. 041public class PageInfoLinkTag 042 extends WikiLinkTag 043{ 044 private static final long serialVersionUID = 0L; 045 public String m_title = ""; 046 public String m_accesskey = ""; 047 048 public void setTitle( String title ) 049 { 050 m_title = title; 051 } 052 053 public void setAccesskey( String access ) 054 { 055 m_accesskey = access; 056 } 057 058 public final int doWikiStartTag() 059 throws IOException 060 { 061 WikiEngine engine = m_wikiContext.getEngine(); 062 String pageName = m_pageName; 063 064 if( m_pageName == null ) 065 { 066 WikiPage p = m_wikiContext.getPage(); 067 068 if( p != null ) 069 { 070 pageName = p.getName(); 071 } 072 else 073 { 074 return SKIP_BODY; 075 } 076 } 077 078 if( engine.pageExists(pageName) ) 079 { 080 JspWriter out = pageContext.getOut(); 081 082 String url = m_wikiContext.getURL( WikiContext.INFO, pageName ); 083 084 switch( m_format ) 085 { 086 case ANCHOR: 087 out.print("<a class=\"pageinfo\" href=\""+url+"\" accesskey=\"" 088 + m_accesskey + "\" title=\"" + m_title + "\">"); 089 break; 090 case URL: 091 out.print( url ); 092 break; 093 } 094 095 return EVAL_BODY_INCLUDE; 096 } 097 098 return SKIP_BODY; 099 } 100}