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Diffstat (limited to 'libjava/classpath/gnu/xml/dom/DomXPathExpression.java')
-rw-r--r-- | libjava/classpath/gnu/xml/dom/DomXPathExpression.java | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/libjava/classpath/gnu/xml/dom/DomXPathExpression.java b/libjava/classpath/gnu/xml/dom/DomXPathExpression.java deleted file mode 100644 index 0b69629..0000000 --- a/libjava/classpath/gnu/xml/dom/DomXPathExpression.java +++ /dev/null @@ -1,147 +0,0 @@ -/* DomXPathExpression.java -- - Copyright (C) 2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -package gnu.xml.dom; - -import java.util.ArrayList; -import java.util.Collection; -import java.util.Collections; -import java.util.List; -import javax.xml.namespace.QName; -import javax.xml.xpath.XPath; -import javax.xml.xpath.XPathConstants; -import javax.xml.xpath.XPathExpression; -import javax.xml.xpath.XPathExpressionException; -import javax.xml.xpath.XPathFactory; -import org.w3c.dom.DOMException; -import org.w3c.dom.Node; -import org.w3c.dom.xpath.XPathException; -import org.w3c.dom.xpath.XPathNSResolver; -import org.w3c.dom.xpath.XPathResult; -import gnu.xml.xpath.DocumentOrderComparator; - -/** - * An XPath expression. - * - * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> - */ -class DomXPathExpression -implements org.w3c.dom.xpath.XPathExpression -{ - - final DomDocument doc; - final XPathExpression expression; - final XPathNSResolver resolver; - - DomXPathExpression(DomDocument doc, String expression, - XPathNSResolver resolver) - throws XPathException - { - this.doc = doc; - this.resolver = resolver; - - XPathFactory factory = XPathFactory.newInstance(); - XPath xpath = factory.newXPath(); - if (resolver != null) - { - xpath.setNamespaceContext(new DomNSResolverContext(resolver)); - } - try - { - this.expression = xpath.compile(expression); - } - catch (XPathExpressionException e) - { - throw new XPathException(XPathException.INVALID_EXPRESSION_ERR, - e.getMessage ()); - } - } - - public Object evaluate(Node contextNode, short type, Object result) - throws XPathException, DOMException - { - try - { - QName typeName = null; - switch (type) - { - case XPathResult.BOOLEAN_TYPE: - typeName = XPathConstants.BOOLEAN; - break; - case XPathResult.NUMBER_TYPE: - typeName = XPathConstants.NUMBER; - break; - case XPathResult.STRING_TYPE: - typeName = XPathConstants.STRING; - break; - case XPathResult.ANY_UNORDERED_NODE_TYPE: - case XPathResult.FIRST_ORDERED_NODE_TYPE: - typeName = XPathConstants.NODE; - break; - case XPathResult.UNORDERED_NODE_ITERATOR_TYPE: - case XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE: - case XPathResult.ORDERED_NODE_ITERATOR_TYPE: - case XPathResult.ORDERED_NODE_SNAPSHOT_TYPE: - typeName = XPathConstants.NODESET; - break; - default: - throw new XPathException(XPathException.TYPE_ERR, null); - } - Object val = expression.evaluate(contextNode, typeName); - switch (type) - { - case XPathResult.ORDERED_NODE_ITERATOR_TYPE: - case XPathResult.ORDERED_NODE_SNAPSHOT_TYPE: - // Sort the nodes - List ns = new ArrayList((Collection) val); - Collections.sort(ns, new DocumentOrderComparator()); - val = ns; - } - return new DomXPathResult(val, type); - } - catch (javax.xml.xpath.XPathException e) - { - throw new XPathException(XPathException.TYPE_ERR, e.getMessage()); - } - } - - public String toString () - { - return getClass ().getName () + "[expression=" + expression + "]"; - } - -} |