1 /*

     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     3  *

     4  * This code is free software; you can redistribute it and/or modify it

     5  * under the terms of the GNU General Public License version 2 only, as

     6  * published by the Free Software Foundation.  Oracle designates this

     7  * particular file as subject to the "Classpath" exception as provided

     8  * by Oracle in the LICENSE file that accompanied this code.

     9  *

    10  * This code is distributed in the hope that it will be useful, but WITHOUT

    11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    13  * version 2 for more details (a copy is included in the LICENSE file that

    14  * accompanied this code).

    15  *

    16  * You should have received a copy of the GNU General Public License version

    17  * 2 along with this work; if not, write to the Free Software Foundation,

    18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    19  *

    20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    21  * or visit www.oracle.com if you need additional information or have any

    22  * questions.

    23  */

    24 

    25 /*

    26  * This file is available under and governed by the GNU General Public

    27  * License version 2 only, as published by the Free Software Foundation.

    28  * However, the following notice accompanied the original version of this

    29  * file and, per its terms, should not be removed:

    30  *

    31  * Copyright (c) 2002 World Wide Web Consortium,

    32  * (Massachusetts Institute of Technology, Institut National de

    33  * Recherche en Informatique et en Automatique, Keio University). All

    34  * Rights Reserved. This program is distributed under the W3C's Software

    35  * Intellectual Property License. This program is distributed in the

    36  * hope that it will be useful, but WITHOUT ANY WARRANTY; without even

    37  * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR

    38  * PURPOSE.

    39  * See W3C License http://www.w3.org/Consortium/Legal/ for more details.

    40  */

    41 

    42 package org.w3c.dom.xpath;

    43 

    44 

    45 /**

    46  * The <code>XPathNSResolver</code> interface permit <code>prefix</code>

    47  * strings in the expression to be properly bound to

    48  * <code>namespaceURI</code> strings. <code>XPathEvaluator</code> can

    49  * construct an implementation of <code>XPathNSResolver</code> from a node,

    50  * or the interface may be implemented by any application.

    51  * <p>See also the <a href='http://www.w3.org/2002/08/WD-DOM-Level-3-XPath-20020820'>Document Object Model (DOM) Level 3 XPath Specification</a>.

    52  */

    53 public interface XPathNSResolver {

    54     /**

    55      * Look up the namespace URI associated to the given namespace prefix. The

    56      * XPath evaluator must never call this with a <code>null</code> or

    57      * empty argument, because the result of doing this is undefined.

    58      * @param prefix The prefix to look for.

    59      * @return Returns the associated namespace URI or <code>null</code> if

    60      *   none is found.

    61      */

    62     public String lookupNamespaceURI(String prefix);

    63 

    64 }