1 /*
   2  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.xml.internal.rngom.parse.xml;
  27 
  28 import org.xml.sax.DTDHandler;
  29 import org.xml.sax.SAXException;
  30 import org.relaxng.datatype.ValidationContext;
  31 
  32 import java.util.Hashtable;
  33 
  34 public abstract class DtdContext implements DTDHandler, ValidationContext {
  35     private final Hashtable notationTable;
  36     private final Hashtable unparsedEntityTable;
  37 
  38     public DtdContext() {
  39         notationTable = new Hashtable();
  40         unparsedEntityTable = new Hashtable();
  41     }
  42 
  43     public DtdContext(DtdContext dc) {
  44         notationTable = dc.notationTable;
  45         unparsedEntityTable = dc.unparsedEntityTable;
  46     }
  47 
  48     public void notationDecl(String name, String publicId, String systemId)
  49         throws SAXException {
  50         notationTable.put(name, name);
  51     }
  52 
  53     public void unparsedEntityDecl(
  54         String name,
  55         String publicId,
  56         String systemId,
  57         String notationName)
  58         throws SAXException {
  59         unparsedEntityTable.put(name, name);
  60     }
  61 
  62     public boolean isNotation(String notationName) {
  63         return notationTable.get(notationName) != null;
  64     }
  65 
  66     public boolean isUnparsedEntity(String entityName) {
  67         return unparsedEntityTable.get(entityName) != null;
  68     }
  69 
  70     public void clearDtdContext() {
  71         notationTable.clear();
  72         unparsedEntityTable.clear();
  73     }
  74 }