org.apache.portals.bridges.struts.taglib
Class ELLinkTag

java.lang.Object
  extended byjavax.servlet.jsp.tagext.TagSupport
      extended byjavax.servlet.jsp.tagext.BodyTagSupport
          extended byorg.apache.struts.taglib.html.BaseHandlerTag
              extended byorg.apache.struts.taglib.html.LinkTag
                  extended byorg.apache.strutsel.taglib.html.ELLinkTag
                      extended byorg.apache.portals.bridges.struts.taglib.ELLinkTag
All Implemented Interfaces:
javax.servlet.jsp.tagext.BodyTag, javax.servlet.jsp.tagext.IterationTag, Serializable, javax.servlet.jsp.tagext.Tag

public class ELLinkTag
extends org.apache.strutsel.taglib.html.ELLinkTag

Supports the Struts html-el:link tag to be used within a Portlet context.

Version:
$Id: ELLinkTag.java 517068 2007-03-12 01:44:37Z ate $
Author:
Ate Douma
See Also:
Serialized Form

Field Summary
private  String actionURL
           
private  String renderURL
           
private  String resourceURL
           
protected  PortletURLTypes.URLType urlType
          Indicates which type of a url must be generated: action, render or resource.
 
Fields inherited from class org.apache.strutsel.taglib.html.ELLinkTag
 
Fields inherited from class org.apache.struts.taglib.html.LinkTag
action, anchor, forward, href, indexId, linkName, messages, module, name, page, paramId, paramName, paramProperty, paramScope, property, scope, target, text, transaction, useLocalEncoding
 
Fields inherited from class org.apache.struts.taglib.html.BaseHandlerTag
accesskey, defaultLocale, doDisabled, doReadonly, indexed, tabindex
 
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
ELLinkTag()
           
 
Method Summary
protected  String calculateURL()
          Generates a PortletURL or a ResourceURL for the link when in the context of a PortletRequest, otherwise the default behaviour is maintained.
 int doStartTag()
           
private  void evaluateExpressions()
          Resolve the actionURL, renderURL and resourceURL attributes using the Struts JSTL expression evaluation engine (EvalHelper).
 String getActionURL()
           
 String getRenderURL()
           
 String getResourceURL()
           
 void release()
           
 void setActionURL(String actionURL)
          Render an ActionURL when set to "true"
 void setRenderURL(String renderURL)
          Render a RenderURL when set to "true"
 void setResourceURL(String resourceURL)
          Render a ResourceURL when set to "true"
 
Methods inherited from class org.apache.strutsel.taglib.html.ELLinkTag
getAccesskeyExpr, getActionExpr, getAnchorExpr, getBundleExpr, getForwardExpr, getHrefExpr, getIndexedExpr, getIndexIdExpr, getLinkNameExpr, getModuleExpr, getNameExpr, getOnblurExpr, getOnclickExpr, getOndblclickExpr, getOnfocusExpr, getOnkeydownExpr, getOnkeypressExpr, getOnkeyupExpr, getOnmousedownExpr, getOnmousemoveExpr, getOnmouseoutExpr, getOnmouseoverExpr, getOnmouseupExpr, getPageExpr, getParamIdExpr, getParamNameExpr, getParamPropertyExpr, getParamScopeExpr, getPropertyExpr, getScopeExpr, getStyleClassExpr, getStyleExpr, getStyleIdExpr, getTabindexExpr, getTargetExpr, getTitleExpr, getTitleKeyExpr, getTransactionExpr, getUseLocalEncodingExpr, setAccesskeyExpr, setActionExpr, setAnchorExpr, setBundleExpr, setForwardExpr, setHrefExpr, setIndexedExpr, setIndexIdExpr, setLinkNameExpr, setModuleExpr, setNameExpr, setOnblurExpr, setOnclickExpr, setOndblclickExpr, setOnfocusExpr, setOnkeydownExpr, setOnkeypressExpr, setOnkeyupExpr, setOnmousedownExpr, setOnmousemoveExpr, setOnmouseoutExpr, setOnmouseoverExpr, setOnmouseupExpr, setPageExpr, setParamIdExpr, setParamNameExpr, setParamPropertyExpr, setParamScopeExpr, setPropertyExpr, setScopeExpr, setStyleClassExpr, setStyleExpr, setStyleIdExpr, setTabindexExpr, setTargetExpr, setTitleExpr, setTitleKeyExpr, setTransactionExpr, setUseLocalEncodingExpr
 
Methods inherited from class org.apache.struts.taglib.html.LinkTag
doAfterBody, doEndTag, getAction, getAnchor, getForward, getHref, getIndexId, getLinkName, getModule, getName, getPage, getParamId, getParamName, getParamProperty, getParamScope, getProperty, getScope, getTarget, getTransaction, isUseLocalEncoding, setAction, setAnchor, setForward, setHref, setIndexId, setLinkName, setModule, setName, setPage, setParamId, setParamName, setParamProperty, setParamScope, setProperty, setScope, setTarget, setTransaction, setUseLocalEncoding
 
Methods inherited from class org.apache.struts.taglib.html.BaseHandlerTag
doErrorsExist, getAccesskey, getAlt, getAltKey, getBundle, getDisabled, getElementClose, getErrorKey, getErrorStyle, getErrorStyleClass, getErrorStyleId, getIndexed, getIndexValue, getLocale, getOnblur, getOnchange, getOnclick, getOndblclick, getOnfocus, getOnkeydown, getOnkeypress, getOnkeyup, getOnmousedown, getOnmousemove, getOnmouseout, getOnmouseover, getOnmouseup, getOnselect, getReadonly, getStyle, getStyleClass, getStyleId, getTabindex, getTitle, getTitleKey, isXhtml, lookupProperty, message, prepareAttribute, prepareEventHandlers, prepareFocusEvents, prepareIndex, prepareKeyEvents, prepareMouseEvents, prepareName, prepareOtherAttributes, prepareStyles, prepareTextEvents, setAccesskey, setAlt, setAltKey, setBundle, setDisabled, setErrorKey, setErrorStyle, setErrorStyleClass, setErrorStyleId, setIndexed, setLocale, setOnblur, setOnchange, setOnclick, setOndblclick, setOnfocus, setOnkeydown, setOnkeypress, setOnkeyup, setOnmousedown, setOnmousemove, setOnmouseout, setOnmouseover, setOnmouseup, setOnselect, setReadonly, setStyle, setStyleClass, setStyleId, setTabindex, setTitle, setTitleKey
 
Methods inherited from class javax.servlet.jsp.tagext.BodyTagSupport
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

urlType

protected PortletURLTypes.URLType urlType
Indicates which type of a url must be generated: action, render or resource.

If not specified, the type will be determined by PortletURLTypes.getType(String)

.


actionURL

private String actionURL

renderURL

private String renderURL

resourceURL

private String resourceURL
Constructor Detail

ELLinkTag

public ELLinkTag()
Method Detail

getActionURL

public String getActionURL()
Returns:
"true" if an ActionURL must be rendered

setActionURL

public void setActionURL(String actionURL)
Render an ActionURL when set to "true"

Supports jstl expression language.

Parameters:
actionURL - when (evaluated to) "true" renders an ActionURL

getRenderURL

public String getRenderURL()

setRenderURL

public void setRenderURL(String renderURL)
Render a RenderURL when set to "true"

Supports jstl expression language.

Parameters:
renderURL - when (evaluated to) "true" renders a RenderURL

getResourceURL

public String getResourceURL()

setResourceURL

public void setResourceURL(String resourceURL)
Render a ResourceURL when set to "true"

Supports jstl expression language.

Parameters:
resourceURL - when (evaluated to) "true" renders a ResourceURL

calculateURL

protected String calculateURL()
                       throws javax.servlet.jsp.JspException
Generates a PortletURL or a ResourceURL for the link when in the context of a PortletRequest, otherwise the default behaviour is maintained.

Returns:
the link url
Throws:
javax.servlet.jsp.JspException - if a JSP exception has occurred

doStartTag

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

evaluateExpressions

private void evaluateExpressions()
                          throws javax.servlet.jsp.JspException
Resolve the actionURL, renderURL and resourceURL attributes using the Struts JSTL expression evaluation engine (EvalHelper).

Throws:
javax.servlet.jsp.JspException - if a JSP exception has occurred

release

public void release()


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