datetag.java

是离开的肌肤了卡机是离开的就富利卡及是了的开发及拉考试及的福利科技阿斯利康的肌肤莱卡及时的离开福建阿斯顿发

//========================================================================
//Copyright 2004-2008 Mort Bay Consulting Pty. Ltd.
//------------------------------------------------------------------------
//Licensed 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 com.acme;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.tagext.BodyContent;
import javax.servlet.jsp.tagext.BodyTagSupport;
import javax.servlet.jsp.tagext.Tag;

public class DateTag extends BodyTagSupport
{
    Tag parent;
    BodyContent body;
    String tz="GMT";

    public void setParent(Tag parent) {this.parent=parent;}
    public Tag getParent() {return parent;}
    public void setBodyContent(BodyContent content) {body=content;}
    public void setPageContext(PageContext pageContext) {}

    public void setTz(String value) {tz=value;}

    public int doStartTag() throws JspException {return EVAL_BODY_TAG;}
    
    public int doEndTag() throws JspException {return EVAL_PAGE;}

    public void doInitBody() throws JspException {}

    public int doAfterBody() throws JspException {
	try
	{
            SimpleDateFormat format = new SimpleDateFormat(body.getString());
            format.setTimeZone(TimeZone.getTimeZone(tz));
	    body.getEnclosingWriter().write(format.format(new Date()));
	    return SKIP_BODY;
	}
	catch (Exception ex) {
            ex.printStackTrace();
            throw new JspTagException(ex.toString());
	}
    }

    public void release()
    {
	body=null;
    }
}