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diff --git a/libjava/classpath/gnu/xml/libxmlj/util/NamedInputStream.java b/libjava/classpath/gnu/xml/libxmlj/util/NamedInputStream.java
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+/* NamedInputStream.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.util;
+
+import java.io.FilterInputStream;
+import java.io.InputStream;
+import java.io.IOException;
+import java.io.PushbackInputStream;
+
+/**
+ * An input stream associated with an XML system ID.
+ * It can report the system ID and the first few bytes of the stream
+ * in order to detect the character encoding of the stream.
+ *
+ * @author <a href='dog@gnu.org'>Chris Burdess</a>
+ */
+public class NamedInputStream
+extends FilterInputStream
+{
+
+  private static int DETECT_BUFFER_SIZE = 50;
+
+  private String name;
+
+  NamedInputStream (String name, InputStream in, int size)
+  {
+    super (new PushbackInputStream (in, size));
+    this.name = name;
+  }
+
+  /**
+   * Returns the name of the stream (the XML system ID).
+   */
+  public String getName ()
+  {
+    return name;
+  }
+
+  /**
+   * Returns the first few bytes of the stream for character encoding
+   * purposes. The entire stream can thereafter be read normally from the
+   * beginning. This method is only valid if no bytes have yet been read
+   * from the stream.
+   */
+  public byte[] getDetectBuffer ()
+    throws IOException
+  {
+    PushbackInputStream p = (PushbackInputStream) in;
+    byte[] buffer = new byte[DETECT_BUFFER_SIZE];
+    int len = p.read (buffer);
+    if (len < 0)
+      {
+        return null;
+      }
+    else
+      {
+        p.unread (buffer, 0, len);
+        byte[] ret = new byte[len];
+        System.arraycopy (buffer, 0, ret, 0, len);
+        return ret;
+      }
+  }
+
+}