ListTag.java (부모 커스텀 액션을 구현)
package customaction;
import java.io.IOException;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.JspFragment;
import javax.servlet.jsp.tagext.SimpleTagSupport;
public class ListTag extends SimpleTagSupport {
@Override
public void doTag() throws JspException, IOException {
// TODO Auto-generated method stub
JspFragment body = getJspBody();
body.invoke(null);
return;
}
}
ItemTag.java (부모 커스텀 액션을 구현)
package customaction;
import java.io.IOException;
import javax.servlet.jsp.JspContext;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.JspFragment;
import javax.servlet.jsp.tagext.JspTag;
import javax.servlet.jsp.tagext.SimpleTagSupport;
public class ItemTag extends SimpleTagSupport {
@Override
public void doTag() throws JspException, IOException {
// TODO Auto-generated method stub
JspTag parent = getParent();
if((parent==null)||!(parent instanceof ListTag))
throw new JspException("The Parent is not ListTag");
JspContext context = getJspContext();
JspWriter out = context.getOut();
JspFragment body = getJspBody();
out.print("-");
body.invoke(null);
out.println("<br />");
return;
}
}
customaction.tld
<?xml version="1.0" encoding="UTF-8" ?>
<taglib xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-jsptaglibrary_2_0.xsd"
version="2.0">
<tlib-version>1.0</tlib-version>
<short-name>tool</short-name>
<tag>
<name>list</name>
<tag-class>customaction.ListTag</tag-class>
<body-content>scriptless</body-content>
</tag>
<tag>
<name>item</name>
<tag-class>customaction.ItemTag</tag-class>
<body-content>scriptless</body-content>
</tag>
</taglib>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@taglib prefix="tool" uri="/taglibs/customaction.tld" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<h3>오늘의 메뉴</h3>
<tool:list>
<tool:item>오렌지 쥬스</tool:item>
<tool:item>키위 스무디</tool:item>
<tool:item>딸기 아이스크림</tool:item>
</tool:list>
</body>
</html>
'JSP' 카테고리의 다른 글
| 필터 클래스의 init메서드와 destroy메서드 (0) | 2013.03.22 |
|---|---|
| 필터(filter) 클래스 (0) | 2013.03.22 |
| 변수를 지원하는 커스텀 액션을 만드는 태그 클래스 (0) | 2013.03.22 |
| 커스텀액션의 본체 내용을 조작하는 태그클래스 (0) | 2013.03.22 |
| 본체가 있는 커스텀액션을 만드는 태그클래스 (0) | 2013.03.22 |
