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57
58 package com.sun.org.apache.xerces.internal.xni.grammars;
59
60 import com.sun.org.apache.xerces.internal.xni.XMLResourceIdentifier;
61
62 /**
63  * <p> This interface describes basic attributes of XML grammars--their
64  * physical location and their type. </p>
65  *
66  * @author Neil Graham, IBM
67  * @version $Id: XMLGrammarDescription.java,v 1.6 2003/11/14 16:54:05 mrglavas Exp $
68  */
69 public interface XMLGrammarDescription extends XMLResourceIdentifier {
70
71     // initial set of grammar constants that some configurations will recognize;user
72 // components which create and/or recognize other types of grammars may
73 // certainly use their own constants in place of these (so long as
74 // their Grammar objects implement this interface).
75
76     /**
77      * The grammar type constant for XML Schema grammars. When getGrammarType()
78      * method returns this constant, the object should be an instance of
79      * the XMLSchemaDescription interface.
80      */
81     public static final String JavaDoc XML_SCHEMA = "http://www.w3.org/2001/XMLSchema";
82     
83     /**
84      * The grammar type constant for DTD grammars. When getGrammarType()
85      * method returns this constant, the object should be an instance of
86      * the XMLDTDDescription interface.
87      */
88     public static final String JavaDoc XML_DTD = "http://www.w3.org/TR/REC-xml";
89
90     /**
91      * Return the type of this grammar.
92      *
93      * @return the type of this grammar
94      */
95     public String JavaDoc getGrammarType();
96
97 } // interface XMLGrammarDescription
98
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