| /* gnuServerRequestInfo.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.Interceptor; |
| |
| import gnu.CORBA.GIOP.ReplyHeader; |
| import gnu.CORBA.GIOP.RequestHeader; |
| import gnu.CORBA.ObjectCreator; |
| import gnu.CORBA.Poa.gnuServantObject; |
| import gnu.CORBA.OrbFunctional; |
| import gnu.CORBA.Unexpected; |
| import gnu.CORBA.gnuRequest; |
| |
| import org.omg.CORBA.ARG_IN; |
| import org.omg.CORBA.ARG_INOUT; |
| import org.omg.CORBA.ARG_OUT; |
| import org.omg.CORBA.Any; |
| import org.omg.CORBA.BAD_PARAM; |
| import org.omg.CORBA.Bounds; |
| import org.omg.CORBA.CompletionStatus; |
| import org.omg.CORBA.ExceptionList; |
| import org.omg.CORBA.INV_POLICY; |
| import org.omg.CORBA.LocalObject; |
| import org.omg.CORBA.NO_RESOURCES; |
| import org.omg.CORBA.NVList; |
| import org.omg.CORBA.Object; |
| import org.omg.CORBA.ParameterMode; |
| import org.omg.CORBA.Policy; |
| import org.omg.CORBA.TCKind; |
| import org.omg.CORBA.TypeCode; |
| import org.omg.Dynamic.Parameter; |
| import org.omg.IOP.ServiceContext; |
| import org.omg.Messaging.SYNC_WITH_TRANSPORT; |
| import org.omg.PortableInterceptor.InvalidSlot; |
| import org.omg.PortableInterceptor.ServerRequestInfo; |
| |
| /** |
| * Implementation of the ServerRequestInfo, associacted with gnuServantObject. |
| * |
| * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) |
| */ |
| public class gnuServerRequestInfo extends LocalObject |
| implements ServerRequestInfo |
| { |
| /** |
| * Use serialVersionUID for interoperability. |
| */ |
| private static final long serialVersionUID = 1; |
| |
| /** |
| * A local object that will serve the invocation. |
| */ |
| final gnuServantObject m_object; |
| |
| /** |
| * A message that the given resource is not available using this metod of |
| * invocation. |
| */ |
| static final String not_available = |
| "The used invocation method provides" + "no access to this resource."; |
| |
| /** |
| * An array of slots. |
| */ |
| Any[] m_slots; |
| |
| /** |
| * The request header. |
| */ |
| public final RequestHeader m_request_header; |
| |
| /** |
| * The reply header. |
| */ |
| public final ReplyHeader m_reply_header; |
| |
| /** |
| * The forward reference, if applicable. |
| */ |
| public Object m_forward_reference; |
| |
| /** |
| * The thrown systen exception. |
| */ |
| public Exception m_sys_exception; |
| |
| /** |
| * The Any, containing the thrown user exception. |
| */ |
| public Any m_usr_exception; |
| |
| /** |
| * The associated request, if any. |
| */ |
| public gnuRequest m_request; |
| |
| /** |
| * Create a new instance at the time when it is known which object will serve |
| * the invocation. |
| * |
| * @param an_object a local object, connected to the local servant that will |
| * serve the invocation. |
| */ |
| public gnuServerRequestInfo(gnuServantObject an_object, |
| RequestHeader a_request_header, ReplyHeader a_reply_header |
| ) |
| { |
| m_object = an_object; |
| m_request_header = a_request_header; |
| m_reply_header = a_reply_header; |
| m_slots = new Any[ m_object.orb.icSlotSize ]; |
| reset(); |
| } |
| |
| /** |
| * Set the give slot. |
| */ |
| public void set_slot(int id, Any data) throws InvalidSlot |
| { |
| try |
| { |
| m_slots [ id ] = data; |
| } |
| catch (Exception e) |
| { |
| InvalidSlot ex = new InvalidSlot("Cannot set slot " + id); |
| ex.initCause(e); |
| throw ex; |
| } |
| } |
| |
| /** |
| * Get the given slot. |
| */ |
| public Any get_slot(int id) throws InvalidSlot |
| { |
| try |
| { |
| return m_slots [ id ]; |
| } |
| catch (Exception e) |
| { |
| InvalidSlot ex = new InvalidSlot("Cannot get slot " + id); |
| ex.initCause(e); |
| throw ex; |
| } |
| } |
| |
| /** |
| * Reset slot data. |
| */ |
| public void reset() |
| { |
| TypeCode tkNull = m_object.orb.get_primitive_tc(TCKind.tk_null); |
| for (int i = 0; i < m_slots.length; i++) |
| { |
| Any a = m_object.orb.create_any(); |
| a.type(tkNull); |
| m_slots [ i ] = a; |
| } |
| m_sys_exception = null; |
| m_usr_exception = null; |
| } |
| |
| /** |
| * Get the object id (not the object IOR key). |
| */ |
| public byte[] object_id() |
| { |
| return m_object.Id; |
| } |
| |
| /** |
| * Check if the target is an instance of the type, represented by the given |
| * repository Id. |
| */ |
| public boolean target_is_a(String id) |
| { |
| return m_object._is_a(id); |
| } |
| |
| /** |
| * Get the POA id. |
| */ |
| public byte[] adapter_id() |
| { |
| return m_object.poa.id(); |
| } |
| |
| /** |
| * Get the POA policy of the given type that applies to the object being |
| * served (request being handled). |
| */ |
| public Policy get_server_policy(int type) throws INV_POLICY |
| { |
| return m_object.poa._get_policy(type); |
| } |
| |
| /** |
| * Get the first member of the object repository id array. |
| */ |
| public String target_most_derived_interface() |
| { |
| return m_object._ids() [ 0 ]; |
| } |
| |
| /** |
| * Get the name of the operation being performed. |
| */ |
| public String operation() |
| { |
| if (m_request != null) |
| { |
| return m_request.operation(); |
| } |
| else |
| { |
| return m_request_header.operation; |
| } |
| } |
| |
| /** |
| * Not available. |
| */ |
| public TypeCode[] exceptions() |
| { |
| if (m_request == null) |
| { |
| throw new NO_RESOURCES(not_available, 1, |
| CompletionStatus.COMPLETED_MAYBE |
| ); |
| } |
| |
| m_request.checkDii(); |
| |
| ExceptionList ex = m_request.exceptions(); |
| TypeCode[] et = new TypeCode[ ex.count() ]; |
| try |
| { |
| for (int i = 0; i < et.length; i++) |
| { |
| et [ i ] = ex.item(i); |
| } |
| } |
| catch (Bounds e) |
| { |
| throw new Unexpected(e); |
| } |
| return et; |
| } |
| |
| /** |
| * Get reply status. |
| */ |
| public short reply_status() |
| { |
| return (short) m_reply_header.reply_status; |
| } |
| |
| /** |
| * Get request id. All local requests have request id = -1. |
| */ |
| public int request_id() |
| { |
| return m_request_header.request_id; |
| } |
| |
| /** |
| * Check if the client expected any response. |
| */ |
| public boolean response_expected() |
| { |
| return m_request_header.isResponseExpected(); |
| } |
| |
| /** @inheritDoc */ |
| public void add_reply_service_context(ServiceContext service_context, |
| boolean replace |
| ) |
| { |
| m_reply_header.addContext(service_context, replace); |
| } |
| |
| /** |
| * Get an exception, wrapped into Any. |
| */ |
| public Any sending_exception() |
| { |
| if (m_usr_exception != null) |
| { |
| return m_usr_exception; |
| } |
| else if (m_sys_exception != null) |
| { |
| Any a = m_object.orb.create_any(); |
| ObjectCreator.insertException(a, m_sys_exception); |
| return a; |
| } |
| else |
| { |
| return null; |
| } |
| } |
| |
| public org.omg.CORBA.Object forward_reference() |
| { |
| return m_forward_reference; |
| } |
| |
| /** @inheritDoc */ |
| public ServiceContext get_reply_service_context(int ctx_name) |
| throws BAD_PARAM |
| { |
| return gnu.CORBA.GIOP.ServiceContext.findContext(ctx_name, |
| m_reply_header.service_context |
| ); |
| } |
| |
| /** @inheritDoc */ |
| public ServiceContext get_request_service_context(int ctx_name) |
| throws BAD_PARAM |
| { |
| return gnu.CORBA.GIOP.ServiceContext.findContext(ctx_name, |
| m_request_header.service_context |
| ); |
| } |
| |
| /** |
| * Not available |
| */ |
| public String[] operation_context() |
| { |
| if (m_request == null) |
| { |
| throw new NO_RESOURCES(not_available); |
| } |
| else |
| { |
| return m_request.operation_context(); |
| } |
| } |
| |
| /** @inheritDoc */ |
| public Any result() |
| { |
| if (m_request == null) |
| { |
| throw new NO_RESOURCES(not_available); |
| } |
| else |
| { |
| return m_request.return_value(); |
| } |
| } |
| |
| /** @inheritDoc */ |
| public String[] contexts() |
| { |
| if (m_request == null) |
| { |
| throw new NO_RESOURCES(not_available); |
| } |
| else |
| { |
| return m_request.ice_contexts(); |
| } |
| } |
| |
| /** |
| * Always returns "with transport". |
| */ |
| public short sync_scope() |
| { |
| return SYNC_WITH_TRANSPORT.value; |
| } |
| |
| /** @inheritDoc */ |
| public Parameter[] arguments() |
| { |
| if (m_request == null) |
| { |
| throw new NO_RESOURCES(not_available); |
| } |
| |
| m_request.checkDii(); |
| |
| NVList args = m_request.arguments(); |
| Parameter[] p = new Parameter[ args.count() ]; |
| try |
| { |
| for (int i = 0; i < p.length; i++) |
| { |
| ParameterMode mode; |
| |
| switch (args.item(i).flags()) |
| { |
| case ARG_IN.value : |
| mode = ParameterMode.PARAM_IN; |
| break; |
| |
| case ARG_OUT.value : |
| mode = ParameterMode.PARAM_OUT; |
| break; |
| |
| case ARG_INOUT.value : |
| mode = ParameterMode.PARAM_INOUT; |
| break; |
| |
| default : |
| throw new Unexpected(); |
| } |
| |
| p [ i ] = new Parameter(args.item(i).value(), mode); |
| } |
| } |
| catch (Bounds e) |
| { |
| throw new Unexpected(e); |
| } |
| return p; |
| } |
| |
| /** @inheritDoc */ |
| public String[] adapter_name() |
| { |
| return m_object.poa.getReferenceTemplate().adapter_name(); |
| } |
| |
| /** @inheritDoc */ |
| public String orb_id() |
| { |
| return m_object.orb.orb_id; |
| } |
| |
| /** @inheritDoc */ |
| public String server_id() |
| { |
| return OrbFunctional.server_id; |
| } |
| |
| } |