org.apache.strutsel.taglib.logic
Class ELMessagesPresentTag

java.lang.Object
  extended by javax.servlet.jsp.tagext.TagSupport
      extended by org.apache.struts.taglib.logic.ConditionalTagBase
          extended by org.apache.struts.taglib.logic.MessagesPresentTag
              extended by org.apache.strutsel.taglib.logic.ELMessagesPresentTag
All Implemented Interfaces:
Serializable, IterationTag, Tag

public class ELMessagesPresentTag
extends org.apache.struts.taglib.logic.MessagesPresentTag

Evalute to true if an ActionMessages class or a class that can be converted to an ActionMessages class is in request scope under the specified key and there is at least one message in the class or for the property specified.

This class is a subclass of the class org.apache.struts.taglib.logic.MessagesPresentTag which provides most of the described functionality. This subclass allows all attribute values to be specified as expressions utilizing the JavaServer Pages Standard Library expression language.

Version:
$Rev: 471754 $
See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.apache.struts.taglib.logic.MessagesPresentTag
message
 
Fields inherited from class org.apache.struts.taglib.logic.ConditionalTagBase
cookie, header, messages, name, parameter, property, role, scope, user
 
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
ELMessagesPresentTag()
           
 
Method Summary
 int doStartTag()
          Process the start tag.
 String getMessageExpr()
          Getter method for "message" tag attribute.
 String getNameExpr()
          Getter method for "name" tag attribute.
 String getPropertyExpr()
          Getter method for "property" tag attribute.
 void release()
          Releases state of custom tag so this instance can be reused.
 void setMessageExpr(String messageExpr)
          Setter method for "message" tag attribute.
 void setNameExpr(String nameExpr)
          Setter method for "name" tag attribute.
 void setPropertyExpr(String propertyExpr)
          Setter method for "property" tag attribute.
 
Methods inherited from class org.apache.struts.taglib.logic.MessagesPresentTag
condition, condition, getMessage, setMessage
 
Methods inherited from class org.apache.struts.taglib.logic.ConditionalTagBase
doEndTag, getCookie, getHeader, getName, getParameter, getProperty, getRole, getScope, getUser, setCookie, setHeader, setName, setParameter, setProperty, setRole, setScope, setUser
 
Methods inherited from class javax.servlet.jsp.tagext.TagSupport
doAfterBody, 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

ELMessagesPresentTag

public ELMessagesPresentTag()
Method Detail

getNameExpr

public String getNameExpr()
Getter method for "name" tag attribute. (Mapping set in associated BeanInfo class.)


getPropertyExpr

public String getPropertyExpr()
Getter method for "property" tag attribute. (Mapping set in associated BeanInfo class.)


getMessageExpr

public String getMessageExpr()
Getter method for "message" tag attribute. (Mapping set in associated BeanInfo class.)


setNameExpr

public void setNameExpr(String nameExpr)
Setter method for "name" tag attribute. (Mapping set in associated BeanInfo class.)


setPropertyExpr

public void setPropertyExpr(String propertyExpr)
Setter method for "property" tag attribute. (Mapping set in associated BeanInfo class.)


setMessageExpr

public void setMessageExpr(String messageExpr)
Setter method for "message" tag attribute. (Mapping set in associated BeanInfo class.)


release

public void release()
Releases state of custom tag so this instance can be reused.

Specified by:
release in interface Tag
Overrides:
release in class org.apache.struts.taglib.logic.MessagesPresentTag

doStartTag

public int doStartTag()
               throws JspException
Process the start tag.

Specified by:
doStartTag in interface Tag
Overrides:
doStartTag in class org.apache.struts.taglib.logic.ConditionalTagBase
Throws:
JspException - if a JSP exception has occurred


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