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java.lang.Objectjavax.servlet.jsp.tagext.TagData
public class TagData
The (translation-time only) attribute/value information for a tag instance.
TagData is only used as an argument to the isValid, validate, and getVariableInfo methods of TagExtraInfo, which are invoked at translation time.
| Field Summary | |
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static Object |
REQUEST_TIME_VALUE
Distinguished 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 Summary | |
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TagData(Hashtable<String,Object> attrs)
Constructor for a TagData. |
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TagData(Object[][] atts)
Constructor for TagData. |
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| Method Summary | |
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Object |
getAttribute(String attName)
The value of the attribute. |
Enumeration<String> |
getAttributes()
Enumerates the attributes. |
String |
getAttributeString(String attName)
Get the value for a given attribute. |
String |
getId()
The value of the tag's id attribute. |
void |
setAttribute(String attName,
Object value)
Set the value of an attribute. |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
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public static final Object REQUEST_TIME_VALUE
| Constructor Detail |
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public TagData(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(Hashtable<String,Object> attrs)
attrs - A hashtable to get the values from.| Method Detail |
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public String getId()
public Object getAttribute(String attName)
attName - the name of the attribute
public void setAttribute(String attName,
Object value)
attName - the name of the attributevalue - the value.public String getAttributeString(String attName)
attName - the name of the attribute
ClassCastException - if attribute value is not a Stringpublic Enumeration<String> getAttributes()
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Copyright 2006 Sun Microsystems, Inc. All rights reserved.