| /* |
| 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 org.apache.wiki.api.core.Page; |
| import org.apache.wiki.preferences.Preferences; |
| import org.apache.wiki.preferences.Preferences.TimeFormat; |
| |
| import java.io.IOException; |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| |
| |
| /** |
| * Writes the modification date of the page, formatted |
| * as specified in the attribute "format". |
| * <UL> |
| * <LI>format = A string describing which format you want to use. |
| * This is exactly like in "java.text.SimpleDateFormat". |
| * </UL> |
| * |
| * @since 2.0 |
| */ |
| |
| // FIXME: Should also take the current user TimeZone into account. |
| |
| public class PageDateTag extends WikiTagBase { |
| |
| private static final long serialVersionUID = 0L; |
| |
| public static final String DEFAULT_FORMAT = "dd-MMM-yyyy HH:mm:ss zzz"; |
| |
| private String m_format = null; |
| |
| public void initTag() { |
| super.initTag(); |
| m_format = null; |
| } |
| |
| public String getFormat() { |
| return m_format; |
| } |
| |
| public void setFormat( final String arg ) { |
| m_format = arg; |
| } |
| |
| public final int doWikiStartTag() throws IOException { |
| final Page page = m_wikiContext.getPage(); |
| if( page != null ) { |
| final Date d = page.getLastModified(); |
| // Date may be null if the page does not exist. |
| if( d != null ) { |
| final SimpleDateFormat fmt; |
| if( m_format == null ) { |
| fmt = Preferences.getDateFormat( m_wikiContext, TimeFormat.DATETIME ); |
| } else { |
| fmt = new SimpleDateFormat( m_format ); |
| } |
| |
| pageContext.getOut().write( fmt.format( d ) ); |
| } else { |
| pageContext.getOut().write( "<never>" ); |
| } |
| } |
| return SKIP_BODY; |
| } |
| |
| } |