001/* TypeInfoProvider.java --
002   Copyright (C) 2004, 2005  Free Software Foundation, Inc.
003
004This file is part of GNU Classpath.
005
006GNU Classpath is free software; you can redistribute it and/or modify
007it under the terms of the GNU General Public License as published by
008the Free Software Foundation; either version 2, or (at your option)
009any later version.
010
011GNU Classpath is distributed in the hope that it will be useful, but
012WITHOUT ANY WARRANTY; without even the implied warranty of
013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014General Public License for more details.
015
016You should have received a copy of the GNU General Public License
017along with GNU Classpath; see the file COPYING.  If not, write to the
018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
01902110-1301 USA.
020
021Linking this library statically or dynamically with other modules is
022making a combined work based on this library.  Thus, the terms and
023conditions of the GNU General Public License cover the whole
024combination.
025
026As a special exception, the copyright holders of this library give you
027permission to link this library with independent modules to produce an
028executable, regardless of the license terms of these independent
029modules, and to copy and distribute the resulting executable under
030terms of your choice, provided that you also meet, for each linked
031independent module, the terms and conditions of the license of that
032module.  An independent module is a module which is not derived from
033or based on this library.  If you modify this library, you may extend
034this exception to your version of the library, but you are not
035obligated to do so.  If you do not wish to do so, delete this
036exception statement from your version. */
037
038package javax.xml.validation;
039
040import 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 */
049public 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}