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java.lang.Object javax.servlet.jsp.tagext.TagSupport org.apache.struts.taglib.logic.ConditionalTagBase org.apache.struts.taglib.logic.MessagesPresentTag org.apache.struts.taglib.logic.MessagesNotPresentTag org.apache.strutsel.taglib.logic.ELMessagesNotPresentTag
public class ELMessagesNotPresentTag
Evalute to false
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.MessagesNotPresentTag
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 |
---|
Fields inherited from class org.apache.struts.taglib.logic.MessagesPresentTag |
---|
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 |
---|
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 | |
---|---|
ELMessagesNotPresentTag()
|
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.MessagesNotPresentTag |
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condition |
Methods inherited from class org.apache.struts.taglib.logic.MessagesPresentTag |
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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 |
---|
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 ELMessagesNotPresentTag()
Method Detail |
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public String getNameExpr()
public String getPropertyExpr()
public String getMessageExpr()
public void setNameExpr(String nameExpr)
public void setPropertyExpr(String propertyExpr)
public void setMessageExpr(String messageExpr)
public void release()
release
in interface Tag
release
in class MessagesPresentTag
public int doStartTag() throws JspException
doStartTag
in interface Tag
doStartTag
in class ConditionalTagBase
JspException
- if a JSP exception has occurred
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