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java.lang.Objectjavax.servlet.jsp.tagext.TagSupport
org.apache.struts.taglib.logic.ConditionalTagBase
org.apache.struts.taglib.logic.MessagesPresentTag
org.apache.strutsel.taglib.logic.ELMessagesPresentTag
public class ELMessagesPresentTag
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.
Field Summary |
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Fields inherited from class org.apache.struts.taglib.logic.MessagesPresentTag |
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message |
Fields inherited from class org.apache.struts.taglib.logic.ConditionalTagBase |
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cookie, header, messages, name, parameter, property, role, scope, user |
Fields inherited from class javax.servlet.jsp.tagext.TagSupport |
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id, pageContext |
Fields inherited from interface javax.servlet.jsp.tagext.IterationTag |
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EVAL_BODY_AGAIN |
Fields inherited from interface javax.servlet.jsp.tagext.Tag |
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EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE |
Constructor Summary | |
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ELMessagesPresentTag()
|
Method Summary | |
---|---|
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 |
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condition, condition, getMessage, setMessage |
Methods inherited from class org.apache.struts.taglib.logic.ConditionalTagBase |
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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 |
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doAfterBody, findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setPageContext, setParent, setValue |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ELMessagesPresentTag()
Method Detail |
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public java.lang.String getNameExpr()
public java.lang.String getPropertyExpr()
public java.lang.String getMessageExpr()
public void setNameExpr(java.lang.String nameExpr)
public void setPropertyExpr(java.lang.String propertyExpr)
public void setMessageExpr(java.lang.String messageExpr)
public void release()
release
in interface javax.servlet.jsp.tagext.Tag
release
in class MessagesPresentTag
public int doStartTag() throws javax.servlet.jsp.JspException
doStartTag
in interface javax.servlet.jsp.tagext.Tag
doStartTag
in class ConditionalTagBase
javax.servlet.jsp.JspException
- if a JSP exception has occurred
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