NamespaceResolver


1   package net.sf.saxon.om;
2   
3   import java.util.Iterator  ;
4   
5   /**
6    * Abstract class that supports lookup of a lexical QName to get the expanded QName.
7    * This extends the JAXP NamespaceContext interface with some Saxon-specific methods,
8    * which must be supplied in a concrete implementation.
9    */
10  
11  public interface NamespaceResolver {
12  
13      /**
14       * Get the namespace URI corresponding to a given prefix. Return null
15       * if the prefix is not in scope.
16       * @param prefix the namespace prefix. May be the zero-length string, indicating
17       * that there is no prefix. This indicates either the default namespace or the
18       * null namespace, depending on the value of useDefault.
19       * @param useDefault true if the default namespace is to be used when the
20       * prefix is "". If false, the method returns "" when the prefix is "".
21       * @return the uri for the namespace, or null if the prefix is not in scope.
22       * The "null namespace" is represented by the pseudo-URI "".
23      */
24  
25      public abstract String   getURIForPrefix(String   prefix, boolean useDefault);
26  
27      /**
28       * Get an iterator over all the prefixes declared in this namespace context. This will include
29       * the default namespace (prefix="") and the XML namespace where appropriate
30       */
31  
32      public abstract Iterator   iteratePrefixes();
33  
34  }
35  
36  
37  //
38  // The contents of this file are subject to the Mozilla Public License Version 1.0 (the "License");
39  // you may not use this file except in compliance with the License. You may obtain a copy of the
40  // License at http://www.mozilla.org/MPL/
41  //
42  // Software distributed under the License is distributed on an "AS IS" basis,
43  // WITHOUT WARRANTY OF ANY KIND, either express or implied.
44  // See the License for the specific language governing rights and limitations under the License.
45  //
46  // The Original Code is: all this file.
47  //
48  // The Initial Developer of the Original Code is Michael H. Kay
49  //
50  // Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved.
51  //
52  // Contributor(s): none
53  //
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