summaryrefslogtreecommitdiffstats
path: root/libjava/classpath/gnu/CORBA/IOR_Delegate.java
diff options
context:
space:
mode:
authortromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>2005-07-16 00:30:23 +0000
committertromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>2005-07-16 00:30:23 +0000
commitc8875fb97fc03779a5bba09872227b1d08e5d52a (patch)
treea0b991cf5866ae1d616639b906ac001811d74508 /libjava/classpath/gnu/CORBA/IOR_Delegate.java
parentc40c1730800ed292b6db39a83d592476fa59623c (diff)
downloadppe42-gcc-c8875fb97fc03779a5bba09872227b1d08e5d52a.tar.gz
ppe42-gcc-c8875fb97fc03779a5bba09872227b1d08e5d52a.zip
Initial revision
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@102074 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/classpath/gnu/CORBA/IOR_Delegate.java')
-rw-r--r--libjava/classpath/gnu/CORBA/IOR_Delegate.java311
1 files changed, 311 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/CORBA/IOR_Delegate.java b/libjava/classpath/gnu/CORBA/IOR_Delegate.java
new file mode 100644
index 00000000000..b06f6300d95
--- /dev/null
+++ b/libjava/classpath/gnu/CORBA/IOR_Delegate.java
@@ -0,0 +1,311 @@
+/* gnuDelegate.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 gnu.CORBA.CDR.cdrBufInput;
+import gnu.CORBA.GIOP.ReplyHeader;
+
+import org.omg.CORBA.Context;
+import org.omg.CORBA.ContextList;
+import org.omg.CORBA.ExceptionList;
+import org.omg.CORBA.MARSHAL;
+import org.omg.CORBA.NVList;
+import org.omg.CORBA.NamedValue;
+import org.omg.CORBA.ORB;
+import org.omg.CORBA.Request;
+import org.omg.CORBA.portable.ApplicationException;
+import org.omg.CORBA.portable.InputStream;
+import org.omg.CORBA.portable.OutputStream;
+import org.omg.CORBA.portable.RemarshalException;
+
+import java.io.IOException;
+
+import java.net.Socket;
+
+/**
+ * The Classpath implementation of the {@link Delegate} functionality in the
+ * case, when the object was constructed from an IOR object. The IOR can be
+ * constructed from the stringified object reference.
+ *
+ * There is an different instance of this delegate for each CORBA object.
+ *
+ * @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
+ */
+public class IOR_Delegate
+ extends Simple_delegate
+{
+ /**
+ * Contructs an instance of object using the given IOR.
+ */
+ public IOR_Delegate(ORB an_orb, IOR an_ior)
+ {
+ super(an_orb, an_ior);
+ }
+
+ /**
+ * Creates the request to invoke the method on this object.
+ *
+ * @param target the object, for that the operation must be invoked.
+ * @param context context (null allowed)
+ * @param operation the method name
+ * @param parameters the method parameters
+ * @param returns the return value holder
+ * @param exceptions the exceptions that can be thrown by the method
+ * @param ctx_list the context list (null allowed)
+ *
+ * @return the created request.
+ */
+ public Request create_request(org.omg.CORBA.Object target, Context context,
+ String operation, NVList parameters,
+ NamedValue returns
+ )
+ {
+ gnuRequest request = new gnuRequest();
+
+ request.setIor(getIor());
+ request.set_target(target);
+
+ request.setOperation(operation);
+ request.set_args(parameters);
+ request.m_context = context;
+ request.set_result(returns);
+ request.setORB(orb);
+
+ return request;
+ }
+
+ /**
+ * Creates the request to invoke the method on this object.
+ *
+ * @param target the object, for that the operation must be invoked.
+ * @param context context (null allowed)
+ * @param operation the method name
+ * @param parameters the method parameters
+ * @param returns the return value holder
+ *
+ * @return the created request.
+ */
+ public Request create_request(org.omg.CORBA.Object target, Context context,
+ String operation, NVList parameters,
+ NamedValue returns, ExceptionList exceptions,
+ ContextList ctx_list
+ )
+ {
+ gnuRequest request = new gnuRequest();
+
+ request.setIor(ior);
+ request.set_target(target);
+
+ request.setOperation(operation);
+ request.set_args(parameters);
+ request.m_context = context;
+ request.set_result(returns);
+ request.set_exceptions(exceptions);
+ request.set_context_list(ctx_list);
+ request.setORB(orb);
+
+ return request;
+ }
+
+ /**
+ * Invoke operation on the given object, writing parameters to the given
+ * output stream.
+ *
+ * @param target the target object.
+ * @param output the output stream, previously returned by
+ * {@link #request(org.omg.CORBA.Object, String, boolean)}.
+ *
+ * @return the input stream, to read the response from or null for a
+ * one-way request.
+ *
+ * @throws SystemException if the SystemException has been thrown on the
+ * remote side (the exact type and the minor code matches the data of
+ * the remote exception that has been thrown).
+ *
+ * @throws org.omg.CORBA.portable.ApplicationException as specified.
+ * @throws org.omg.CORBA.portable.RemarshalException as specified.
+ */
+ public InputStream invoke(org.omg.CORBA.Object target, OutputStream output)
+ throws ApplicationException, RemarshalException
+ {
+ streamRequest request = (streamRequest) output;
+ if (request.response_expected)
+ {
+ binaryReply response = request.request.submit();
+
+ // Read reply header.
+ ReplyHeader rh = response.header.create_reply_header();
+ cdrBufInput input = response.getStream();
+ input.setOrb(orb);
+ rh.read(input);
+
+ boolean moved_permanently = false;
+
+ switch (rh.reply_status)
+ {
+ case ReplyHeader.NO_EXCEPTION :
+ if (response.header.version.since_inclusive(1, 2))
+ input.align(8);
+ return input;
+
+ case ReplyHeader.SYSTEM_EXCEPTION :
+ if (response.header.version.since_inclusive(1, 2))
+ input.align(8);
+ throw ObjectCreator.readSystemException(input);
+
+ case ReplyHeader.USER_EXCEPTION :
+ if (response.header.version.since_inclusive(1, 2))
+ input.align(8);
+ input.mark(2000);
+
+ String uxId = input.read_string();
+ input.reset();
+
+ throw new ApplicationException(uxId, input);
+
+ case ReplyHeader.LOCATION_FORWARD_PERM :
+ moved_permanently = true;
+
+ case ReplyHeader.LOCATION_FORWARD :
+ if (response.header.version.since_inclusive(1, 2))
+ input.align(8);
+
+ IOR forwarded = new IOR();
+ try
+ {
+ forwarded._read_no_endian(input);
+ }
+ catch (IOException ex)
+ {
+ MARSHAL t = new MARSHAL("Cant read forwarding info");
+ t.initCause(ex);
+ throw t;
+ }
+
+ request.request.setIor(forwarded);
+
+ // If the object has moved permanently, its IOR is replaced.
+ if (moved_permanently)
+ setIor(forwarded);
+
+ return invoke(target, request);
+
+ default :
+ throw new MARSHAL("Unknow reply status: " + rh.reply_status);
+ }
+ }
+ else
+ {
+ request.request.send_oneway();
+ return null;
+ }
+ }
+
+ /**
+ * Create a request to invoke the method of this CORBA object.
+ *
+ * @param target the CORBA object, to that this operation must be applied.
+ * @param operation the name of the method to invoke.
+ *
+ * @return the request.
+ */
+ public Request request(org.omg.CORBA.Object target, String operation)
+ {
+ gnuRequest request = new gnuRequest();
+
+ request.setIor(ior);
+ request.set_target(target);
+
+ request.setOperation(operation);
+ request.setORB(orb);
+
+ return request;
+ }
+
+ /**
+ * Create a request to invoke the method of this CORBA object.
+ *
+ * @param target the CORBA object, to that this operation must be applied.
+ * @param operation the name of the method to invoke.
+ * @param response_expected specifies if this is one way message or the
+ * response to the message is expected.
+ *
+ * @return the stream where the method arguments should be written.
+ */
+ public OutputStream request(org.omg.CORBA.Object target, String operation,
+ boolean response_expected
+ )
+ {
+ gnuRequest request = new gnuRequest();
+
+ request.setIor(ior);
+ request.set_target(target);
+ request.setOperation(operation);
+
+ request.getParameterStream().response_expected = response_expected;
+ request.setORB(orb);
+
+ return request.getParameterStream();
+ }
+
+ /**
+ * If there is an opened cache socket to access this object, close
+ * that socket.
+ *
+ * @param target The target is not used, this delegate requires a
+ * single instance per object.
+ */
+ public void release(org.omg.CORBA.Object target)
+ {
+ String key = ior.Internet.host + ":" + ior.Internet.port;
+
+ Socket socket = SocketRepository.get_socket(key);
+ try
+ {
+ if (socket != null)
+ {
+ socket.close();
+ }
+ }
+ catch (IOException ex)
+ {
+ // do nothing, then.
+ }
+ }
+} \ No newline at end of file
OpenPOWER on IntegriCloud