showpower.java

strutsBUG管理系统

package com.yourcompany.struts.action;

import java.io.IOException;

import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.tagext.BodyTagSupport;

public class ShowPower extends BodyTagSupport{

	private boolean value;

	public void setValue(boolean value) {
		this.value = value;
	}

	public int doStartTag() throws JspTagException {
		if (value) {
//			System.out.println("value is true");
			return EVAL_BODY_INCLUDE;
		} else {
//			System.out.println("value is false");
			return SKIP_BODY;
		}
	}

	public int doEndTag() throws JspTagException {
		try {
			if (bodyContent != null) {
				bodyContent.writeOut(bodyContent.getEnclosingWriter());
			}
		} catch (java.io.IOException e) {
			throw new JspTagException("IO Error: " + e.getMessage());
		}
		return EVAL_PAGE;
	}

}