View Javadoc

    1   //========================================================================
    2   //Copyright 2004-2008 Mort Bay Consulting Pty. Ltd.
    3   //------------------------------------------------------------------------
    4   //Licensed under the Apache License, Version 2.0 (the "License");
    5   //you may not use this file except in compliance with the License.
    6   //You may obtain a copy of the License at
    7   //http://www.apache.org/licenses/LICENSE-2.0
    8   //Unless required by applicable law or agreed to in writing, software
    9   //distributed under the License is distributed on an "AS IS" BASIS,
    10  //WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    11  //See the License for the specific language governing permissions and
    12  //limitations under the License.
    13  //========================================================================
    14
    15  package com.acme;
    16
    17  import java.io.IOException;
    18  import java.text.SimpleDateFormat;
    19  import java.util.Date;
    20  import java.util.StringTokenizer;
    21
    22  import javax.servlet.jsp.JspContext;
    23  import javax.servlet.jsp.JspException;
    24  import javax.servlet.jsp.tagext.JspFragment;
    25  import javax.servlet.jsp.tagext.SimpleTagSupport;
    26
    27  public class Date2Tag extends SimpleTagSupport
    28  {
    29      String format;
    30
    31      public void setFormat(String value) {
    32          this.format = value;
    33      }
    34
    35      public void doTag() throws JspException, IOException {
    36          String formatted =
    37              new SimpleDateFormat("long".equals(format)?"EEE 'the' d:MMM:yyyy":"d:MM:yy")
    38              .format(new Date());
    39          StringTokenizer tok = new StringTokenizer(formatted,":");
    40          JspContext context = getJspContext();
    41          context.setAttribute("day", tok.nextToken() );
    42          context.setAttribute("month", tok.nextToken() );
    43          context.setAttribute("year", tok.nextToken() );
    44
    45          JspFragment fragment = getJspBody();
    46          fragment.invoke(null);
    47      }
    48  }
    49