javax.servlet.jsp.tagext
Class TagExtraInfo
java.lang.Object
javax.servlet.jsp.tagext.TagExtraInfo
public abstract class TagExtraInfo
extends java.lang.Object
Extra Tag Information for a Custom Tag;
this class is mentioned in the Tag Library Descriptor file (TLD).
This class must be used:
- if the tag defines any scripting variables
- if the tag wants to provide translation-time validation of the tag
attributes.
getTagInfo
public final TagInfo getTagInfo()
Get the TagInfo for this class
getVariableInfo
public VariableInfo[] getVariableInfo(TagData data)
information on scripting variables defined by this tag
data
- The translation-time TagData instance.
isValid
public boolean isValid(TagData data)
Translation-time validation of the attributes. The argument is a
translation-time, so request-time attributes are indicated as such.
data
- The translation-time TagData instance.
setTagInfo
public final void setTagInfo(TagInfo tagInfo)
Set the TagInfo for this class
tagInfo
- The TagInfo this instance is extending
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