    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.Attachment;
    022import org.apache.wiki.api.core.Engine;
    023import org.apache.wiki.api.core.Page;
    024import org.apache.wiki.render.RenderingManager;
    025import org.apache.wiki.util.TextUtil;
    026
    027import java.io.IOException;
    028
    029/**
    030 *  Returns the currently requested page name.
    031 *
    032 *  @since 2.0
    033 */
    034public class PageNameTag extends WikiTagBase {
    035
    036    private static final long serialVersionUID = 0L;
    037
    038    @Override
    039    public final int doWikiStartTag() throws IOException {
    040        final Engine engine = m_wikiContext.getEngine();
    041        final Page page = m_wikiContext.getPage();
    042
    043        if( page != null ) {
    044            if( page instanceof Attachment ) {
    045                pageContext.getOut().print( TextUtil.replaceEntities( ((Attachment)page).getFileName() ) );
    046            } else {
    047                pageContext.getOut().print( engine.getManager( RenderingManager.class ).beautifyTitle( m_wikiContext.getName() ) );
    048            }
    049        }
    050
    051        return SKIP_BODY;
    052    }
    053
    054}