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diff --git a/libjava/gnu/xml/transform/SortKey.java b/libjava/gnu/xml/transform/SortKey.java
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+/* SortKey.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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.transform;
+
+import javax.xml.namespace.QName;
+import javax.xml.transform.TransformerException;
+import org.w3c.dom.Document;
+import org.w3c.dom.DocumentFragment;
+import org.w3c.dom.Node;
+import gnu.xml.xpath.Expr;
+
+/**
+ * An XSL sort key.
+ *
+ * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
+ */
+final class SortKey
+{
+
+  static final int DEFAULT = 0;
+  static final int UPPER_FIRST = 1;
+  static final int LOWER_FIRST = 2;
+
+  final Expr select;
+  final TemplateNode langTemplate;
+  final TemplateNode dataTypeTemplate;
+  final TemplateNode orderTemplate;
+  final TemplateNode caseOrderTemplate;
+
+  transient String lang;
+  transient String dataType;
+  transient boolean descending;
+  transient int caseOrder;
+
+  SortKey(Expr select, TemplateNode lang, TemplateNode dataType,
+          TemplateNode order, TemplateNode caseOrder)
+  {
+    this.select = select;
+    this.langTemplate = lang;
+    this.dataTypeTemplate = dataType;
+    this.orderTemplate = order;
+    this.caseOrderTemplate = caseOrder;
+  }
+
+  String key(Node node)
+  {
+    Object ret = select.evaluate(node, 1, 1);
+    if (ret instanceof String)
+      {
+        return (String) ret;
+      }
+    else
+      {
+        return Expr._string(node, ret);
+      }
+  }
+
+  /**
+   * Prepare for a sort.
+   * This sets all transient variables from their AVTs.
+   */
+  void init(Stylesheet stylesheet, QName mode,
+            Node context, int pos, int len,
+            Node parent, Node nextSibling)
+    throws TransformerException
+  {
+    Document doc = (context instanceof Document) ? (Document) context :
+      context.getOwnerDocument();
+    if (langTemplate == null)
+      {
+        lang = null;
+      }
+    else
+      {
+        DocumentFragment fragment = doc.createDocumentFragment();
+        langTemplate.apply(stylesheet, mode, context, pos, len,
+                           fragment, null);
+        lang = Expr.stringValue(fragment);
+      }
+    if (dataTypeTemplate == null)
+      {
+        dataType = "text";
+      }
+    else
+      {
+        DocumentFragment fragment = doc.createDocumentFragment();
+        dataTypeTemplate.apply(stylesheet, mode, context, pos, len,
+                               fragment, null);
+        dataType = Expr.stringValue(fragment);
+      }
+    if (orderTemplate == null)
+      {
+        descending = false;
+      }
+    else
+      {
+        DocumentFragment fragment = doc.createDocumentFragment();
+        orderTemplate.apply(stylesheet, mode, context, pos, len,
+                            fragment, null);
+        String order = Expr.stringValue(fragment);
+        descending = "descending".equals(order);
+      }
+    if (caseOrderTemplate == null)
+      {
+        caseOrder = DEFAULT;
+      }
+    else
+      {
+        DocumentFragment fragment = doc.createDocumentFragment();
+        caseOrderTemplate.apply(stylesheet, mode, context, pos, len,
+                                fragment, null);
+        String co = Expr.stringValue(fragment);
+        caseOrder = "upper-first".equals(co) ? UPPER_FIRST :
+          "lower-first".equals(co) ? LOWER_FIRST :
+          DEFAULT;
+      }
+  }
+
+}