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// Attributes2.java - extended Attributes
// http://www.saxproject.org
// Public Domain: no warranty.
// $Id: Attributes2.java,v 1.1 2003-02-01 02:10:44 cbj Exp $
package org.xml.sax.ext;
import org.xml.sax.Attributes;
/**
* SAX2 extension to augment the per-attribute information
* provided though {@link Attributes}.
* If an implementation supports this extension, the attributes
* provided in {@link org.xml.sax.ContentHandler#startElement
* ContentHandler.startElement() } will implement this interface,
* and the <em>http://xml.org/sax/features/use-attributes2</em>
* feature flag will have the value <em>true</em>.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p> XMLReader implementations are not required to support this
* information, and it is not part of core-only SAX2 distributions.</p>
*
* @since SAX 2.0 (extensions 1.1 alpha)
* @author David Brownell
* @version TBS
*/
public interface Attributes2 extends Attributes
{
/** @return false unless the attribute was declared in the DTD.
* @throws java.lang.ArrayIndexOutOfBoundsException
* When the supplied index does not identify an attribute.
*/
public boolean isDeclared (int index);
/** @return false unless the attribute was declared in the DTD.
* @throws java.lang.IllegalArgumentException
* When the supplied names do not identify an attribute.
*/
public boolean isDeclared (java.lang.String qName);
/** @return false unless the attribute was declared in the DTD.
* @throws java.lang.IllegalArgumentException
* When the supplied names do not identify an attribute.
*/
public boolean isDeclared (java.lang.String uri, java.lang.String localName);
/**
* Returns true unless the attribute value was provided
* by DTD defaulting.
*
* @param index The attribute index (zero-based).
* @return true if the value was found in the XML text,
* false if the value was provided by DTD defaulting.
* @exception java.lang.ArrayIndexOutOfBoundsException When the
* supplied index does not identify an attribute.
*/
public boolean isSpecified (int index);
/**
* Returns true unless the attribute value was provided
* by DTD defaulting.
*
* @param uri The Namespace URI, or the empty string if
* the name has no Namespace URI.
* @param localName The attribute's local name.
* @return true if the value was found in the XML text,
* false if the value was provided by DTD defaulting.
* @exception java.lang.IllegalArgumentException When the
* supplied names do not identify an attribute.
*/
public boolean isSpecified (String uri, String localName);
/**
* Returns true unless the attribute value was provided
* by DTD defaulting.
*
* @param qName The XML 1.0 qualified name.
* @return true if the value was found in the XML text,
* false if the value was provided by DTD defaulting.
* @exception java.lang.IllegalArgumentException When the
* supplied name does not identify an attribute.
*/
public boolean isSpecified (String qName);
}
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