org.springframework.web.servlet.tags
Class TransformTag

java.lang.Object
  javax.servlet.jsp.tagext.TagSupport
      org.springframework.web.servlet.tags.RequestContextAwareTag
          org.springframework.web.servlet.tags.TransformTag

All Implemented Interfaces:

javax.servlet.jsp.tagext.IterationTag, java.io.Serializable, javax.servlet.jsp.tagext.Tag

public class TransformTag

extends RequestContextAwareTag

Tag useful for transforming reference data values from form controllers and other objects inside a spring:bind tag.

The bind tag has a PropertyEditor that it used to transform the property of bean to a String, useable in HTML forms. This tag uses that PropertyEditor to transform objects passed into this tag.

Since:

20.09.2003

Author:

Alef Arendsen

See Also:

Serialized Form

Field Summary

Fields inherited from class org.springframework.web.servlet.tags.RequestContextAwareTag

logger

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

TransformTag()

Method Summary

int	doStartTagInternal() Called by doStartTag to perform the actual work.
void	release() Releasing of resources.
void	setScope(java.lang.String scope) Set the scope to which to export the variable indicated.
void	setValue(java.lang.String value) Set the value to finally transform using the appropriate property editor that has to be found in the BindTag.
void	setVar(java.lang.String var) Set the name of the variable to which to export the result of the transformation.

Methods inherited from class org.springframework.web.servlet.tags.RequestContextAwareTag

doStartTag, getRequestContext, isHtmlEscape, setHtmlEscape

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

TransformTag

public TransformTag()

Method Detail

setValue

public void setValue(java.lang.String value)
              throws javax.servlet.jsp.JspException

Set the value to finally transform using the appropriate property editor that has to be found in the BindTag.

Parameters:

value - the value

Throws:

javax.servlet.jsp.JspException - if expression evaluation fails

setVar

public void setVar(java.lang.String var)

Set the name of the variable to which to export the result of the transformation.

Parameters:

var - the name of the variable

setScope

public void setScope(java.lang.String scope)
              throws javax.servlet.jsp.JspException

Set the scope to which to export the variable indicated. If the scope isn't one of the allowed scope, it'll be the default (SCOPE_PAGE).

Parameters:

scope - the scope (SCOPE_PAGE, SCOPE_REQUEST, SCOPE_APPLICATION or SCOPE_SESSION)

Throws:

javax.servlet.jsp.JspException

doStartTagInternal

public int doStartTagInternal()
                       throws javax.servlet.jsp.JspException

Description copied from class: RequestContextAwareTag

Called by doStartTag to perform the actual work.

Overrides:

doStartTagInternal in class RequestContextAwareTag

Returns:

same as TagSupport.doStartTag

Throws:

javax.servlet.jsp.JspException

See Also:

TagSupport.doStartTag()

release

public void release()

Releasing of resources.