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diff --git a/modules/CIAO/tools/XML/XML_Schema_Resolver.h b/modules/CIAO/tools/XML/XML_Schema_Resolver.h
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+++ b/modules/CIAO/tools/XML/XML_Schema_Resolver.h
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+/**
+ * @file XML_Schema_Resolver.h
+ * @author Will Otte <wotte@dre.vanderbilt.edu>
+ *
+ * $Id$
+ *
+ * Resolves schema locations.
+ */
+
+#ifndef CIAO_XML_SCHEMA_RESOLVER_H
+#define CIAO_XML_SCHEMA_RESOLVER_H
+#include /**/ "ace/pre.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+#pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "XML/CIAO_XML_Utils_Export.h"
+#include "XML/XercesString.h"
+
+#include <xercesc/sax/EntityResolver.hpp>
+#include <vector>
+#include <string>
+
+using namespace xercesc;
+
+namespace CIAO
+{
+  namespace XML
+  {
+    // forward decl.
+    struct NoOp_Resolver;
+
+    /**
+     * @class CIAO_Schema_Resolver
+     * @brief Resolves schema locations for CIAO.
+     *
+     * Template argument Resolver should be a functor with an operation
+     * const ACE_TCHAR * operator () (...arguments from resolveEntity...)
+     */
+    template <typename Resolver = NoOp_Resolver>
+    class XML_Schema_Resolver
+      : public virtual EntityResolver
+    {
+    public:
+      XML_Schema_Resolver (void);
+
+      XML_Schema_Resolver (Resolver &resolver);
+
+      /// This function is called by the Xerces infrastructure to
+      /// actually resolve the location of a schema.
+      virtual InputSource * resolveEntity (const XMLCh *const publicId,
+                                           const XMLCh *const systemId);
+
+    private:
+      XML_Schema_Resolver (XML_Schema_Resolver<Resolver> &);
+
+      Resolver &resolver_;
+    };
+
+    /**
+     * @class NoOp_Resolver
+     * @brief Resolver that does nothing.
+     */
+    struct NoOp_Resolver
+    {
+      const XMLCh* operator() (const XMLCh *const,
+                               const XMLCh *const systemId) const
+      { return systemId; };
+    };
+
+    /**
+     * @class Basic_Resolver
+     * @brief Resolves a schema location from a fixed path.
+     */
+    struct Basic_Resolver
+    {
+      Basic_Resolver (const ACE_TCHAR *path);
+
+      XMLCh* operator() (const XMLCh *const publicId,
+                         const XMLCh *const systemId) const;
+      XStr path_;
+    };
+
+    /**
+     * @class Environment_Resolver
+     * @brief Resolves a schema location from a path from an environment variable.
+     */
+    struct CIAO_XML_Utils_Export Environment_Resolver
+    {
+      Environment_Resolver (const ACE_TCHAR *variable = ACE_TEXT(""),
+                            const ACE_TCHAR *path = ACE_TEXT("./"));
+
+      void add_path (const ACE_TCHAR *variable,
+                     const ACE_TCHAR *path);
+
+      XMLCh* operator() (const XMLCh *const publicId,
+                         const XMLCh *const systemId) const;
+
+      std::vector<XStr> paths_;
+    };
+  }
+}
+
+#include "XML/XML_Schema_Resolver.tpp"
+
+#include /**/ "ace/post.h"
+
+#endif /*  CIAO_XML_SCHEMA_RESOLVER_H */