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ValidationMessage (JavaServer Pages API Documentation)

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javax.servlet.jsp.tagext
Class ValidationMessage

java.lang.Object
  javax.servlet.jsp.tagext.ValidationMessage

public class ValidationMessage
extends java.lang.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 be jsp but it will always map to the namespace http://java.sun.com/JSP/Page. A TagLibraryValidator implementation must rely on the uri, not the prefix, of the id attribute.

Constructor Summary

ValidationMessage(java.lang.String id, java.lang.String message)
          Create a ValidationMessage.

Method Summary

java.lang.String getId()
          Get the jsp:id.

java.lang.String getMessage()
          Get the localized validation message.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ValidationMessage

public ValidationMessage(java.lang.String id,
                         java.lang.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.

Method Detail