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+/* StreamHolder.java --
+ Copyright (C) 2005 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.CORBA;
+
+import org.omg.CORBA.MARSHAL;
+import org.omg.CORBA.NO_IMPLEMENT;
+import org.omg.CORBA.TypeCode;
+import org.omg.CORBA.portable.InputStream;
+import org.omg.CORBA.portable.OutputStream;
+import org.omg.CORBA.portable.Streamable;
+
+import java.io.IOException;
+
+/**
+ * A holder that stores the input stream, from that the holder data
+ * can be read. There is no way to write the data into this holder.
+ *
+ * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
+ */
+public class StreamHolder
+ implements Streamable
+{
+ /**
+ * The stream, holding the data for this holder.
+ */
+ protected final InputStream stream;
+
+ /**
+ * Create a holder that will read from the given stream.
+ *
+ * @param a_stream a stream.
+ */
+ public StreamHolder(InputStream a_stream)
+ {
+ stream = a_stream;
+ }
+
+ /**
+ * This method is not in use, should never be called.
+ */
+ public TypeCode _type()
+ {
+ throw new NO_IMPLEMENT();
+ }
+
+ /**
+ * Writes the data from the stored stream into the provided
+ * output stream till the end of the input stream is reached.
+ *
+ * @throws MARSHAL if the IOException is thrown during operation.
+ */
+ public void _write(OutputStream output)
+ {
+ try
+ {
+ int d = stream.read();
+
+ while (d >= 0)
+ {
+ output.write(d);
+ d = stream.read();
+ }
+ }
+ catch (IOException ex)
+ {
+ MARSHAL m = new MARSHAL();
+ m.initCause(ex);
+ m.minor = Minor.CDR;
+ throw m;
+ }
+ }
+
+ /**
+ * This method is not in use, should never be called.
+ */
+ public void _read(InputStream input)
+ {
+ throw new NO_IMPLEMENT();
+ }
+
+ /**
+ * Get the input stream that has been passed in constructor.
+ */
+ InputStream getInputStream()
+ {
+ return stream;
+ }
+}