    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 org.apache.wiki.api.core.ContextEnum;
    022
    023import jakarta.servlet.jsp.JspWriter;
    024import java.io.IOException;
    025
    026
    027/**
    028 * Writes a link to the upload page.  Body of the link becomes the actual text.
    029 * The link is written regardless to whether the page exists or not.
    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 extends WikiLinkTag {
    039
    040    private static final long serialVersionUID = 0L;
    041
    042    @Override
    043    public final int doWikiStartTag() throws IOException {
    044        String pageName = m_pageName;
    045        if( m_pageName == null ) {
    046            if( m_wikiContext.getPage() != null ) {
    047                pageName = m_wikiContext.getPage().getName();
    048            } else {
    049                return SKIP_BODY;
    050            }
    051        }
    052
    053        final JspWriter out = pageContext.getOut();
    054        final String url = m_wikiContext.getURL( ContextEnum.PAGE_UPLOAD.getRequestContext(), pageName );
    055        switch( m_format ) {
    056        case ANCHOR:
    057            out.print( "<a target=\"_new\" class=\"uploadlink\" href=\"" + url + "\">" );
    058            break;
    059        case URL:
    060            out.print( url );
    061            break;
    062        }
    063
    064        return EVAL_BODY_INCLUDE;
    065    }
    066
    067}