Mercurial > hg > release > icedtea7-forest-2.0 > jaxp
view sources/jaxp_src/src/javax/xml/xpath/XPathFunction.java @ 273:0f39aee48121
6955301: Update names and references to rebranded drop bundles (jaxp, jaxws, jaf)
author | andrew |
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date | Wed, 28 Sep 2011 17:02:12 +0100 |
parents | 32e511cf3502 |
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/* * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.xml.xpath; import java.util.List; /** * <p><code>XPathFunction</code> provides access to XPath functions.</p> * * <p>Functions are identified by QName and arity in XPath.</p> * * @author <a href="mailto:Norman.Walsh@Sun.com">Norman Walsh</a> * @author <a href="mailto:Jeff.Suttor@Sun.com">Jeff Suttor</a> * @since 1.5 */ public interface XPathFunction { /** * <p>Evaluate the function with the specified arguments.</p> * * <p>To the greatest extent possible, side-effects should be avoided in the * definition of extension functions. The implementation evaluating an * XPath expression is under no obligation to call extension functions in * any particular order or any particular number of times.</p> * * @param args The arguments, <code>null</code> is a valid value. * * @return The result of evaluating the <code>XPath</code> function as an <code>Object</code>. * * @throws XPathFunctionException If <code>args</code> cannot be evaluated with this <code>XPath</code> function. */ public Object evaluate(List args) throws XPathFunctionException; }