withobjecttag.java

J2EE独立开发制作

package diegoyun;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.BodyTagSupport;
import org.apache.taglibs.standard.lang.support.ExpressionEvaluatorManager;
public class WithObjectTag extends BodyTagSupport
{
 private Object value = null;

 public Object getValue()
 {
  return value;
 }
 public void setValue(Object value)throws JspException
 {
  this.value = ExpressionEvaluatorManager.evaluate(
            "value", value.toString(), Object.class, this, pageContext);
 }
 public int doStartTag()
 {  
  return EVAL_BODY_INCLUDE;
 }
 public int doEndTag()throws JspException
 {  
  return EVAL_PAGE;
 }
}