Java Server Pages

Name

TagSupport

Synopsis

Class Name:	javax.servlet.jsp.tagext.TagSupport
Extends:	None
Implements:	Tag, java.io.Serializable
Implemented by:	Internal container-dependent class. Most containers use the reference implementation of the class (developed in the Apache Jakarta project).

Description

TagSupport is a support class that provides default implementations of all Tag interface methods. It’s intended to be used as a superclass for tag handlers that do not need access to the body contents of the corresponding custom action element.

Class Summary

public class TagSupport implements Tag, java.io.Serializable {
  // Constructor
  public TagSupport( );

  // Methods
  public int doEndTag( ) throws JspException;
  public int doStartTag( ) throws JspException;
  public static final Tag findAncestorWithClass(Tag from, Class klass);
  public String getId( );
  public Tag getParent( );
  public Object getValue(String k);
  public java.util.Enumeration getValues( );
  public void release( );
  public void removeValue(String k);
  public void setPageContext(PageContext pageContext);
  public void setId(String id);
  public void setParent(Tag t);
  public void setValue(String k, Object o);
}

Constructor

public TagSupport( )

Creates a new instance with the specified name and value.

Methods

public int doEndTag( ) throws JspException

Returns EVAL_PAGE.

public int doStartTag( ) throws JspException

Returns SKIP_BODY.

public static final Tag findAncestorWithClass(Tag from, Class klass)

Returns the instance of the specified class, ...