net.mlw.vlh.web.tag
Class ActionTag

java.lang.Object
  javax.servlet.jsp.tagext.TagSupport
      javax.servlet.jsp.tagext.BodyTagSupport
          net.mlw.vlh.web.tag.ConfigurableTag
              net.mlw.vlh.web.tag.ActionTag

All Implemented Interfaces:

Attributeable, javax.servlet.jsp.tagext.BodyTag, javax.servlet.jsp.tagext.IterationTag, ParamAddable, Serializable, javax.servlet.jsp.tagext.Tag

public class ActionTag

extends ConfigurableTag

implements ParamAddable

This tag creates action. It is ment to be used along with ControlsTag

 
  
  <vlh:action url="/delete.do?" customParameters=" <%=HashMapOfCustomParams%>">
    <vlh:addParam name="rowId" property="id" temp="true"/>
    <vlh:addParam name="rowStaticParamName" value="CommonForAllRows" temp="true"/> 
  	 Temp dynamic and static params. 
  </vlh:action>
  
  
 

Version:

$Revision: 1.9 $ $Date: 2005/11/23 14:51:53 $ $Author: smarek $

Author:

Andrej Zachar

See Also:

Serialized Form

Field Summary

static String

ACTION_TEMP_PARAM_PREFIX This prefix is used to recognize, which url parameters are temporaly requested for an action.

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

bodyContent

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

id, pageContext

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

EVAL_BODY_BUFFERED, EVAL_BODY_TAG

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

ActionTag()

Method Summary

void	addParam(String key, String value) Add parameters to url for an action.
int	doEndTag()
int	doStartTag()
void	release() Called on a Tag handler to release state.
void	setCustomParameters(HashMap customParameters)
void	setUrl(String url)

Methods inherited from class net.mlw.vlh.web.tag.ConfigurableTag

appendClassCellAttribute, getAttributes, getCellAttributes, resetAttributes, setAttributes, setCellAttribute

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

doAfterBody, doInitBody, getBodyContent, getPreviousOut, setBodyContent

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

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

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

getParent, setPageContext, setParent

Field Detail

ACTION_TEMP_PARAM_PREFIX

public static final String ACTION_TEMP_PARAM_PREFIX

This prefix is used to recognize, which url parameters are temporaly requested for an action.

Default is set as String "ACT"

See Also:

Constant Field Values

Constructor Detail

ActionTag

public ActionTag()

Method Detail

doStartTag

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

Specified by:

doStartTag in interface javax.servlet.jsp.tagext.Tag

Throws:

javax.servlet.jsp.JspException

doEndTag

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

Specified by:

doEndTag in interface javax.servlet.jsp.tagext.Tag

Overrides:

doEndTag in class ConfigurableTag

Throws:

javax.servlet.jsp.JspException

See Also:

Tag.doEndTag()

setCustomParameters

public void setCustomParameters(HashMap customParameters)

Parameters:

customParameters - The customParameters to encode in the action's url.

setUrl

public void setUrl(String url)

Parameters:

url - The base url to set.

addParam

public void addParam(String key,
                     String value)

Add parameters to url for an action.

 
  
   
           url ? key = value &
    
   
  
 

Specified by:

addParam in interface ParamAddable

Parameters:

value - The value of the pram.

release

public void release()

Called on a Tag handler to release state. The page compiler guarantees that JSP page implementation objects will invoke this method on all tag handlers, but there may be multiple invocations on doStartTag and doEndTag in between.

Specified by:

release in interface javax.servlet.jsp.tagext.Tag

Overrides:

release in class ConfigurableTag

See Also:

Tag.release()