Class ValidationMessage
- java.lang.Object
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- jakarta.servlet.jsp.tagext.ValidationMessage
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public class ValidationMessage extends Object
A validation message from either TagLibraryValidator or TagExtraInfo.As of JSP 2.0, a JSP container must support a jsp:id attribute to provide higher quality validation errors. The container will track the JSP pages as passed to the container, and will assign to each element a unique "id", which is passed as the value of the jsp:id attribute. Each XML element in the XML view available will be extended with this attribute. The TagLibraryValidator can then use the attribute in one or more ValidationMessage objects. The container then, in turn, can use these values to provide more precise information on the location of an error.
The actual prefix of the
id
attribute may or may not bejsp
but it will always map to the namespacehttp://java.sun.com/JSP/Page
. A TagLibraryValidator implementation must rely on the uri, not the prefix, of theid
attribute.
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Constructor Summary
Constructors Constructor Description ValidationMessage(String id, String message)
Create a ValidationMessage.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description String
getId()
Get the jsp:id.String
getMessage()
Get the localized validation message.
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Constructor Detail
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ValidationMessage
public ValidationMessage(String id, String message)
Create a ValidationMessage. The message String should be non-null. The value of id may be null, if the message is not specific to any XML element, or if no jsp:id attributes were passed on. If non-null, the value of id must be the value of a jsp:id attribute for the PageData passed into the validate() method.- Parameters:
id
- Either null, or the value of a jsp:id attribute.message
- A localized validation message.
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