001    /* TypeInfoProvider.java --
002       Copyright (C) 2004, 2005  Free Software Foundation, Inc.
003    
004    This file is part of GNU Classpath.
005    
006    GNU Classpath is free software; you can redistribute it and/or modify
007    it under the terms of the GNU General Public License as published by
008    the Free Software Foundation; either version 2, or (at your option)
009    any later version.
010    
011    GNU Classpath is distributed in the hope that it will be useful, but
012    WITHOUT ANY WARRANTY; without even the implied warranty of
013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014    General Public License for more details.
015    
016    You should have received a copy of the GNU General Public License
017    along with GNU Classpath; see the file COPYING.  If not, write to the
018    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019    02110-1301 USA.
020    
021    Linking this library statically or dynamically with other modules is
022    making a combined work based on this library.  Thus, the terms and
023    conditions of the GNU General Public License cover the whole
024    combination.
025    
026    As a special exception, the copyright holders of this library give you
027    permission to link this library with independent modules to produce an
028    executable, regardless of the license terms of these independent
029    modules, and to copy and distribute the resulting executable under
030    terms of your choice, provided that you also meet, for each linked
031    independent module, the terms and conditions of the license of that
032    module.  An independent module is a module which is not derived from
033    or based on this library.  If you modify this library, you may extend
034    this exception to your version of the library, but you are not
035    obligated to do so.  If you do not wish to do so, delete this
036    exception statement from your version. */
037    
038    package javax.xml.validation;
039    
040    import org.w3c.dom.TypeInfo;
041    
042    /**
043     * Provides access to the PSVI type info supplied by
044     * <code>ValidatorHandler</code>.
045     *
046     * @author (a href='mailto:dog@gnu.org'>Chris Burdess</a)
047     * @since 1.3
048     */
049    public abstract class TypeInfoProvider
050    {
051    
052      protected TypeInfoProvider()
053      {
054      }
055    
056      /**
057       * Returns the type information for the current element.
058       */
059      public abstract TypeInfo getElementTypeInfo();
060    
061      /**
062       * Returns the type information for the specified attribute of the current
063       * element.
064       * @param index the attribute index as for the Attributes object passed to
065       * the startElement callback
066       */
067      public abstract TypeInfo getAttributeTypeInfo(int index);
068    
069      /**
070       * Indicates if the attribute at the specified index is of the ID type.
071       * @param index the attribute index as for the Attributes object passed to
072       * the startElement callback
073       */
074      public abstract boolean isIdAttribute(int index);
075    
076      /**
077       * Returns false if the attribute was defaulted (added by the validator).
078       * @param index the attribute index as for the Attributes object passed to
079       * the startElement callback
080       */
081      public abstract boolean isSpecified(int index);
082    
083    }