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diff --git a/libjava/classpath/gnu/xml/libxmlj/sax/Namespaces.java b/libjava/classpath/gnu/xml/libxmlj/sax/Namespaces.java
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+++ b/libjava/classpath/gnu/xml/libxmlj/sax/Namespaces.java
@@ -0,0 +1,122 @@
+/* Namespaces.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.libxmlj.sax;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Iterator;
+
+/**
+ * Helper class for managing namespaces.
+ *
+ * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
+ */
+class Namespaces
+{
+
+  ArrayList stack = new ArrayList ();
+
+  /**
+   * Increments the tree depth.
+   * This allocates a new potential namespace entry.
+   */
+  void push ()
+  {
+    stack.add (null);
+  }
+
+  /**
+   * Decrements the tree depth.
+   * This removes namespaces defined at the extremity.
+   */
+  void pop ()
+  {
+    stack.remove (stack.size() - 1);
+  }
+
+  /**
+   * Searches for the namespace URI corresponding to the specified prefix.
+   */
+  String getURI (String prefix)
+  {
+    for (int i = stack.size () - 1; i >= 0; i--)
+    {
+      HashMap ns = (HashMap) stack.get (i);
+      if (ns != null && ns.containsKey (prefix))
+      {
+        String ret = (String) ns.get (prefix);
+        return (ret == null) ? "" : ret;
+      }
+    }
+    return "";
+  }
+
+  /**
+   * Defines the specified prefix-URI mapping at the current depth in the
+   * tree.
+   */
+  void define (String prefix, String uri)
+  {
+    int index = stack.size () - 1;
+    HashMap ns = (HashMap) stack.get (index);
+    if (ns == null)
+    {
+      ns = new HashMap ();
+      stack.set (index, ns);
+    }
+    ns.put (prefix, uri);
+  }
+
+  /**
+   * Returns an iterator over the prefixes defined at the current depth.
+   */
+  Iterator currentPrefixes ()
+  {
+    HashMap ns = (HashMap) stack.get (stack.size () - 1);
+    if (ns == null)
+      {
+        return Collections.EMPTY_LIST.iterator ();
+      }
+    else
+      {
+        return ns.keySet ().iterator ();
+      }
+  }
+
+}