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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/gnu/CORBA/GIOP/CloseMessage.java
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+/* CloseMessage.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.GIOP;
+
+import gnu.CORBA.Minor;
+
+import org.omg.CORBA.MARSHAL;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+/**
+ * The explicit command to close the connection.
+ *
+ *
+ * The close message consists from the message header only and
+ * is the same for GIOP 1.0, 1.1, 1.2 and 1.3. The CloseMessage
+ * uses the default value from the {@link MessageHeader}.
+ *
+ * @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
+ */
+public class CloseMessage
+ extends MessageHeader
+{
+ /**
+ * Use serialVersionUID for interoperability.
+ */
+ private static final long serialVersionUID = 1;
+
+ /**
+ * The singleton close message is typically enough, despite new
+ * instances may be instantiated if the specific version field
+ * value is mandatory.
+ */
+ private static final CloseMessage Singleton = new CloseMessage();
+
+ /**
+ * Create a new error message, setting the message field
+ * to the {@link MESSAGE_CLOSE} and the version number to
+ * the given major and minor values.
+ */
+ public CloseMessage()
+ {
+ message_type = CLOSE_CONNECTION;
+ }
+
+ /**
+ * Send the close message to the given output stream. The method,
+ * however, does not close the socket itself, this must be done
+ * explicitly in the calling code.
+ *
+ * @param socketStream a stream, where the close message is
+ * written.
+ */
+ public static void close(OutputStream socketStream)
+ {
+ try
+ {
+ Singleton.write(socketStream);
+ socketStream.flush();
+ }
+ catch (IOException ex)
+ {
+ MARSHAL m = new MARSHAL("Unable to flush the stream");
+ m.minor = Minor.Header;
+ m.initCause(ex);
+ throw m;
+ }
+ }
+}