public class TagData
extends java.lang.Object
implements java.lang.Cloneable
TagData is only used as an argument to the isValid, validate, and getVariableInfo methods of TagExtraInfo, which are invoked at translation time.
| Modifier and Type | Field and Description | 
|---|---|
| static java.lang.Object | REQUEST_TIME_VALUEDistinguished value for an attribute to indicate its value
 is a request-time expression (which is not yet available because
 TagData instances are used at translation-time). | 
| Constructor and Description | 
|---|
| TagData(java.util.Hashtable<java.lang.String,java.lang.Object> attrs)Constructor for a TagData. | 
| TagData(java.lang.Object[][] atts)Constructor for TagData. | 
| Modifier and Type | Method and Description | 
|---|---|
| java.lang.Object | getAttribute(java.lang.String attName)The value of the attribute. | 
| java.util.Enumeration<java.lang.String> | getAttributes()Enumerates the attributes. | 
| java.lang.String | getAttributeString(java.lang.String attName)Get the value for a given attribute. | 
| java.lang.String | getId()The value of the tag's id attribute. | 
| void | setAttribute(java.lang.String attName,
            java.lang.Object value)Set the value of an attribute. | 
public static final java.lang.Object REQUEST_TIME_VALUE
public TagData(java.lang.Object[][] atts)
A typical constructor may be
 static final Object[][] att = {{"connection", "conn0"}, {"id", "query0"}};
 static final TagData td = new TagData(att);
 
 All values must be Strings except for those holding the
 distinguished object REQUEST_TIME_VALUE.atts - the static attribute and values.  May be null.public TagData(java.util.Hashtable<java.lang.String,java.lang.Object> attrs)
attrs - A hashtable to get the values from.public java.lang.String getId()
public java.lang.Object getAttribute(java.lang.String attName)
attName - the name of the attributepublic void setAttribute(java.lang.String attName,
                java.lang.Object value)
attName - the name of the attributevalue - the value.public java.lang.String getAttributeString(java.lang.String attName)
attName - the name of the attributejava.lang.ClassCastException - if attribute value is not a Stringpublic java.util.Enumeration<java.lang.String> getAttributes()
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