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+/* NameTest.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.xpath;
+
+import javax.xml.XMLConstants;
+import javax.xml.namespace.QName;
+import org.w3c.dom.Node;
+
+/**
+ * Tests whether a node has the specified name.
+ *
+ * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
+ */
+public final class NameTest
+ extends Test
+{
+
+ final QName qName;
+ final boolean anyLocalName;
+ final boolean any;
+
+ public NameTest(QName qName, boolean anyLocalName, boolean any)
+ {
+ this.anyLocalName = anyLocalName;
+ this.any = any;
+ this.qName = qName;
+ }
+
+ public boolean matchesAny()
+ {
+ return any;
+ }
+
+ public boolean matchesAnyLocalName()
+ {
+ return anyLocalName;
+ }
+
+ public boolean matches(Node node, int pos, int len)
+ {
+ switch (node.getNodeType())
+ {
+ case Node.ATTRIBUTE_NODE:
+ // Do not match namespace attributes
+ String uri = node.getNamespaceURI();
+ if (XMLConstants.XMLNS_ATTRIBUTE_NS_URI.equals(uri) ||
+ XMLConstants.XMLNS_ATTRIBUTE.equals(node.getPrefix()) ||
+ XMLConstants.XMLNS_ATTRIBUTE.equals(node.getNodeName()))
+ {
+ return false;
+ }
+ // Fall through
+ case Node.ELEMENT_NODE:
+ break;
+ default:
+ return false;
+ }
+ if (any)
+ {
+ return true;
+ }
+ String uri = qName.getNamespaceURI();
+ String nodeUri = node.getNamespaceURI();
+ String nodeLocalName = node.getLocalName();
+ if (nodeLocalName != null && !equal(uri, nodeUri))
+ {
+ return false;
+ }
+ if (anyLocalName)
+ {
+ return true;
+ }
+ String localName = qName.getLocalPart();
+ if (nodeLocalName != null)
+ {
+ nodeLocalName = node.getNodeName();
+ }
+ return (localName.equals(nodeLocalName));
+ }
+
+ final boolean equal(String s1, String s2)
+ {
+ return (((s1 == null || s1.length() == 0) &&
+ (s2 == null || s2.length() == 0)) ||
+ s1 != null && s1.equals(s2));
+ }
+
+ public Test clone(Object context)
+ {
+ return new NameTest(qName, anyLocalName, any);
+ }
+
+ public boolean references(QName var)
+ {
+ return false;
+ }
+
+ public String toString ()
+ {
+ if (any)
+ {
+ return "*";
+ }
+ return qName.toString();
+ }
+
+}
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