nl.gx.webmanager.taglib
Class ImageTag

java.lang.Object
  javax.servlet.jsp.tagext.SimpleTagSupport
      nl.gx.webmanager.taglib.ImageTag

All Implemented Interfaces:

javax.servlet.jsp.tagext.JspTag, javax.servlet.jsp.tagext.SimpleTag

public class ImageTag
extends javax.servlet.jsp.tagext.SimpleTagSupport

Implements the wm:image tag. Creates an Image object from its url.
Example of usage:

 < wm:image var="photo" url="http://www.gx.nl/images/picture.jpg" alternativeText="a picture" />
 ${image.htmlTag}
 

The example above creates an Image object for www.gx.nl/images/picture.jpg storing "a picture" as value to be used for the 'alt="..."' attribute of the HTML img tag.

Constructor Summary

ImageTag()

Method Summary

void	doTag()
protected java.lang.String	getAlign() Return the alignment value to use in the 'align=�...�' attribute of the HTML img tag.
protected java.lang.String	getAlternativeText() Return the alternative text to use in the 'alt=�...�' attribute of the HTML img tag.
protected java.lang.String	getUrl() Return the url where the image can be found.
protected java.lang.String	getVar() Return the JSP variable to store the result in.
void	setAlign(java.lang.String align) Sets the alignment value to use in the 'align=�...�' attribute of the HTML img tag.
void	setAlternativeText(java.lang.String alternativeText) Specificies the alternative text to use in the 'alt=�...�' attribute of the HTML img tag.
void	setUrl(java.lang.String url) Specifies the url where the image can be found.
void	setVar(java.lang.String var) Specifies the JSP variable to store the result in.

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

findAncestorWithClass, getJspBody, getJspContext, getParent, setJspBody, setJspContext, setParent

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageTag

public ImageTag()

Method Detail

setUrl

public void setUrl(java.lang.String url)

Specifies the url where the image can be found. The value of this attribute is used in the 'src=�...�' attribute of the HTML img tag.

Parameters:

url - the url where the image can be found

getUrl

protected java.lang.String getUrl()

Return the url where the image can be found. The value of this attribute is used in the 'src=�...�' attribute of the HTML img tag.

Returns:

the url where the image can be found

setVar

public void setVar(java.lang.String var)

Specifies the JSP variable to store the result in.

Parameters:

var - the name of the JSP variable to store the result in

getVar

protected java.lang.String getVar()

Return the JSP variable to store the result in.

Returns:

name of the JSP variable to store the result in

setAlign

public void setAlign(java.lang.String align)

Sets the alignment value to use in the 'align=�...�' attribute of the HTML img tag.

Parameters:

align - alignment of the image.

getAlign

protected java.lang.String getAlign()

Return the alignment value to use in the 'align=�...�' attribute of the HTML img tag.

Returns:

align alignment of the image.

setAlternativeText

public void setAlternativeText(java.lang.String alternativeText)

Specificies the alternative text to use in the 'alt=�...�' attribute of the HTML img tag.

Parameters:

alternativeText - text used for the alt attribute.

getAlternativeText

protected java.lang.String getAlternativeText()

Return the alternative text to use in the 'alt=�...�' attribute of the HTML img tag.

Returns:

alternativeText text used for the alt attribute.

doTag

public void doTag()
           throws javax.servlet.jsp.JspException

Specified by:

doTag in interface javax.servlet.jsp.tagext.SimpleTag

Overrides:

doTag in class javax.servlet.jsp.tagext.SimpleTagSupport

Throws:

javax.servlet.jsp.JspException