org.apache.strutsel.taglib.logic

Class ELMessagesPresentTag

java.lang.Object

javax.servlet.jsp.tagext.TagSupport

org.apache.struts.taglib.logic.ConditionalTagBase

org.apache.struts.taglib.logic.MessagesPresentTag

org.apache.strutsel.taglib.logic.ELMessagesPresentTag

All Implemented Interfaces:

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

public class ELMessagesPresentTag
extends 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

Constructors

Constructor and Description
ELMessagesPresentTag()

Method Summary

Modifier and Type	Method and Description
int	doStartTag() Process the start tag.
java.lang.String	getMessageExpr() Getter method for "message" tag attribute.
java.lang.String	getNameExpr() Getter method for "name" tag attribute.
java.lang.String	getPropertyExpr() Getter method for "property" tag attribute.
void	release() Releases state of custom tag so this instance can be reused.
void	setMessageExpr(java.lang.String messageExpr) Setter method for "message" tag attribute.
void	setNameExpr(java.lang.String nameExpr) Setter method for "name" tag attribute.
void	setPropertyExpr(java.lang.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 java.lang.String getNameExpr()

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

getPropertyExpr

public java.lang.String getPropertyExpr()

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

getMessageExpr

public java.lang.String getMessageExpr()

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

setNameExpr

public void setNameExpr(java.lang.String nameExpr)

Setter method for "name" tag attribute. (Mapping set in associated BeanInfo class.)

setPropertyExpr

public void setPropertyExpr(java.lang.String propertyExpr)

Setter method for "property" tag attribute. (Mapping set in associated BeanInfo class.)

setMessageExpr

public void setMessageExpr(java.lang.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 javax.servlet.jsp.tagext.Tag

Overrides:

release in class MessagesPresentTag

doStartTag

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

Process the start tag.

Specified by:

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

Overrides:

doStartTag in class ConditionalTagBase

Throws:

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