Package org.deltava.taglib.html

Class ImageTag

java.lang.Object

javax.servlet.jsp.tagext.TagSupport

org.deltava.taglib.BrowserInfoTag

org.deltava.taglib.html.ElementTag

org.deltava.taglib.html.ImageTag

All Implemented Interfaces:

Serializable, IterationTag, JspTag, Tag

Direct Known Subclasses:

FlagTag, ImageBeanTag, RemoteAddressTag

public class ImageTag
extends ElementTag

An JSP Tag to generate an IMG element.

Since:

1.0

Version:

10.2

Author:

Luke

See Also:

• Serialized Form

Field Summary

Fields inherited from class org.deltava.taglib.html.ElementTag

_classes, _data, _out

Fields inherited from class javax.servlet.jsp.tagext.TagSupport

id, pageContext

Fields inherited from interface javax.servlet.jsp.tagext.IterationTag

EVAL_BODY_AGAIN

Fields inherited from interface javax.servlet.jsp.tagext.Tag

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

Constructors

Constructor	Description
ImageTag()	Creates a new Image element tag.

Method Summary

Modifier and Type	Method	Description
int	doEndTag()	Generates this image's HTML.
int	doStartTag()	Executed post tag setup.
void	release()
protected void	renderHTML()	Renders the image tag tot he JSP output stream.
void	setCaption(String caption)	Sets the alternate caption for this image.
void	setSrc(String url)	Sets the source of this image.
void	setX(int width)	Sets the width of ths image.
void	setY(int height)	Sets the height of ths image.

Methods inherited from class org.deltava.taglib.html.ElementTag

getFormIndexCount, getName, getParentFormTag, setClassName, setID, setNumericAttr, setPageContext, setStyle

Methods inherited from class org.deltava.taglib.BrowserInfoTag

getBrowserContext

Methods inherited from class javax.servlet.jsp.tagext.TagSupport

doAfterBody, findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setParent, setValue

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ImageTag

public ImageTag()

Creates a new Image element tag.

Method Details

renderHTML

protected void renderHTML()
                   throws Exception

Renders the image tag tot he JSP output stream.

Throws:

Exception - if an error occurs

doEndTag

public int doEndTag()
             throws JspException

Generates this image's HTML.

Specified by:

doEndTag in interface Tag

Overrides:

doEndTag in class TagSupport

Throws:

JspException - if an error occurs

setX

public void setX(int width)

Sets the width of ths image. This does nothing if a negative, zero or non-numeric value is passed.

Parameters:

width - the width of the image in pixels

setY

public void setY(int height)

Sets the height of ths image. This does nothing if a negative, zero or non-numeric value is passed.

Parameters:

height - the height of the image in pixels

setSrc

public void setSrc(String url)

Sets the source of this image.

Parameters:

url - the location of the image

setCaption

public void setCaption(String caption)

Sets the alternate caption for this image.

Parameters:

caption - the caption for this mage

release

public void release()

Specified by:

release in interface Tag

Overrides:

release in class ElementTag

doStartTag

public int doStartTag()
               throws JspException

Executed post tag setup. Creates a STYLE element if dimensions specified.

Specified by:

doStartTag in interface Tag

Overrides:

doStartTag in class ElementTag

Returns:

SKIP_BODY always

Throws:

JspException - if an error occurs