public int doEndTag() throws JspException 
{
        if (this.firstIteration)
        {
            TableTag tableTag = (TableTag) findAncestorWithClass(this, TableTag.class);
            if (tableTag == null)
            {
                throw new TagStructureException(getClass(), "caption", "table"); //$NON-NLS-1$ //$NON-NLS-2$
            }
            MediaTypeEnum currentMediaType = (MediaTypeEnum) this.pageContext
                .findAttribute(TableTag.PAGE_ATTRIBUTE_MEDIA);
            if (currentMediaType != null && !MediaUtil.availableForMedia(this, currentMediaType))
            {
                return SKIP_BODY;
            }
            if (getBodyContent() != null)
            {
                // set the caption format-agnostic content so it can be written in various formats.
                tableTag.setCaption(getBodyContent().getString());
                // set the nested caption tag to write the caption in html format. See HtmlTableWriter.writeCaption
                tableTag.setCaptionTag(this);
            }
            this.firstIteration = false;
        }
        return EVAL_PAGE;
}

 public int doStartTag() throws JspException 
{
        TableTag tableTag = (TableTag) findAncestorWithClass(this, TableTag.class);
        if (tableTag == null)
        {
            throw new TagStructureException(getClass(), "caption", "table"); //$NON-NLS-1$ //$NON-NLS-2$
        }
        MediaTypeEnum currentMediaType = (MediaTypeEnum) this.pageContext.findAttribute(TableTag.PAGE_ATTRIBUTE_MEDIA);
        if (!MediaUtil.availableForMedia(this, currentMediaType))
        {
            return SKIP_BODY;
        }
        // add caption only once
        if (tableTag.isFirstIteration())
        {
            this.firstIteration = true;
            // using int to avoid deprecation error in compilation using j2ee 1.3 (EVAL_BODY_TAG)
            return 2;
        }
        this.firstIteration = false;
        return SKIP_BODY;
}

 public String getCloseTag() 
{
        return TagConstants.TAG_OPENCLOSING + TagConstants.TAGNAME_CAPTION + TagConstants.TAG_CLOSE;
}

create the closing tag.

 public String getOpenTag() 
{
        if (this.attributeMap.size() == 0)
        {
            return TagConstants.TAG_OPEN + TagConstants.TAGNAME_CAPTION + TagConstants.TAG_CLOSE;
        }
        StringBuffer buffer = new StringBuffer();
        buffer.append(TagConstants.TAG_OPEN).append(TagConstants.TAGNAME_CAPTION);
        buffer.append(this.attributeMap);
        buffer.append(TagConstants.TAG_CLOSE);
        return buffer.toString();
}

create the open tag containing all the attributes.

 public List getSupportedMedia() 
{
        return this.supportedMedia;
}

 public  void release() 
{
        super.release();
        this.attributeMap.clear();
        this.supportedMedia = null;
}

 public  void setClass(String value) 
{
        this.attributeMap.put(TagConstants.ATTRIBUTE_CLASS, new MultipleHtmlAttribute(value));
}

setter for the "class" html attribute.

 public  void setDir(String value) 
{
        this.attributeMap.put(TagConstants.ATTRIBUTE_DIR, value);
}

setter for the "dir" html attribute.

 public  void setId(String value) 
{
        this.attributeMap.put(TagConstants.ATTRIBUTE_ID, value);
}

setter for the "id" html attribute.

 public  void setLang(String value) 
{
        this.attributeMap.put(TagConstants.ATTRIBUTE_LANG, value);
}

setter for the "lang" html attribute.

 public  void setMedia(String media) 
{
        MediaUtil.setMedia(this, media);
}

Tag setter.

 public  void setStyle(String value) 
{
                   
        this.attributeMap.put(TagConstants.ATTRIBUTE_STYLE, value);
}

setter for the "style" html attribute.

 public  void setSupportedMedia(List media) 
{
        this.supportedMedia = media;
}

 public  void setTitle(String value) 
{
        this.attributeMap.put(TagConstants.ATTRIBUTE_TITLE, value);
}

setter for the "title" html attribute.