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Java > Open Source Codes > net > sf > saxon > functions > StaticBaseURI


1 package net.sf.saxon.functions;
2 import net.sf.saxon.expr.Expression;
3 import net.sf.saxon.expr.StaticContext;
4 import net.sf.saxon.trans.XPathException;
5 import net.sf.saxon.value.AnyURIValue;
6
7 /**
8 * This class supports the static-base-uri() function in XPath 2.0
9  * (added by the working groups on 24 August 2004)
10 */
11
12 public class StaticBaseURI extends CompileTimeFunction {
13
14     /**
15     * Compile time evaluation
16     */
17
18     public Expression preEvaluate(StaticContext env) throws XPathException {
19         String JavaDoc baseURI = env.getBaseURI();
20         if (baseURI == null) return null;
21         return new AnyURIValue(baseURI);
22     }
23
24 }
25
26 //
27 // The contents of this file are subject to the Mozilla Public License Version 1.0 (the "License");
28 // you may not use this file except in compliance with the License. You may obtain a copy of the
29 // License at http://www.mozilla.org/MPL/
30 //
31 // Software distributed under the License is distributed on an "AS IS" basis,
32 // WITHOUT WARRANTY OF ANY KIND, either express or implied.
33 // See the License for the specific language governing rights and limitations under the License.
34 //
35 // The Original Code is: all this file.
36 //
37 // The Initial Developer of the Original Code is Michael H. Kay.
38 //
39 // Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved.
40 //
41 // Contributor(s): none.
42 //
43
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