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; 025 026/** 027 * Writes a link to the upload page. Body of the link becomes the actual text. 028 * The link is written regardless to whether the page exists or not. 029 * 030 * <P><B>Attributes</B></P> 031 * <UL> 032 * <LI>page - Page name to refer to. Default is the current page. 033 * <LI>format - either "anchor" or "url" to output either an <A>... or just the HREF part of one. 034 * </UL> 035 * 036 * @since 2.0 037 */ 038public class UploadLinkTag 039 extends WikiLinkTag 040{ 041 private static final long serialVersionUID = 0L; 042 043 public final int doWikiStartTag() 044 throws IOException 045 { 046 String pageName = m_pageName; 047 048 if( m_pageName == null ) 049 { 050 if( m_wikiContext.getPage() != null ) 051 { 052 pageName = m_wikiContext.getPage().getName(); 053 } 054 else 055 { 056 return SKIP_BODY; 057 } 058 } 059 060 JspWriter out = pageContext.getOut(); 061 062 String url = m_wikiContext.getURL( WikiContext.UPLOAD, 063 pageName ); 064 065 switch( m_format ) 066 { 067 case ANCHOR: 068 out.print("<a target=\"_new\" class=\"uploadlink\" href=\""+url+"\">"); 069 break; 070 case URL: 071 out.print( url ); 072 break; 073 } 074 075 return EVAL_BODY_INCLUDE; 076 } 077 078}