mirror of git://gcc.gnu.org/git/gcc.git
477 lines
10 KiB
Java
477 lines
10 KiB
Java
/* gnuServerRequestInfo.java --
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.CORBA.Interceptor;
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import gnu.CORBA.GIOP.ReplyHeader;
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import gnu.CORBA.GIOP.RequestHeader;
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import gnu.CORBA.ObjectCreator;
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import gnu.CORBA.Poa.gnuServantObject;
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import gnu.CORBA.OrbFunctional;
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import gnu.CORBA.Unexpected;
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import gnu.CORBA.gnuRequest;
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import org.omg.CORBA.ARG_IN;
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import org.omg.CORBA.ARG_INOUT;
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import org.omg.CORBA.ARG_OUT;
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import org.omg.CORBA.Any;
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import org.omg.CORBA.BAD_PARAM;
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import org.omg.CORBA.Bounds;
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import org.omg.CORBA.CompletionStatus;
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import org.omg.CORBA.ExceptionList;
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import org.omg.CORBA.INV_POLICY;
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import org.omg.CORBA.LocalObject;
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import org.omg.CORBA.NO_RESOURCES;
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import org.omg.CORBA.NVList;
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import org.omg.CORBA.Object;
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import org.omg.CORBA.ParameterMode;
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import org.omg.CORBA.Policy;
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import org.omg.CORBA.TCKind;
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import org.omg.CORBA.TypeCode;
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import org.omg.Dynamic.Parameter;
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import org.omg.IOP.ServiceContext;
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import org.omg.Messaging.SYNC_WITH_TRANSPORT;
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import org.omg.PortableInterceptor.InvalidSlot;
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import org.omg.PortableInterceptor.ServerRequestInfo;
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/**
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* Implementation of the ServerRequestInfo, associacted with gnuServantObject.
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*
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* @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
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*/
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public class gnuServerRequestInfo extends LocalObject
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implements ServerRequestInfo
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{
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/**
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* Use serialVersionUID for interoperability.
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*/
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private static final long serialVersionUID = 1;
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/**
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* A local object that will serve the invocation.
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*/
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final gnuServantObject m_object;
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/**
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* A message that the given resource is not available using this metod of
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* invocation.
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*/
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static final String not_available =
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"The used invocation method provides" + "no access to this resource.";
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/**
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* An array of slots.
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*/
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Any[] m_slots;
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/**
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* The request header.
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*/
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public final RequestHeader m_request_header;
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/**
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* The reply header.
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*/
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public final ReplyHeader m_reply_header;
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/**
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* The forward reference, if applicable.
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*/
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public Object m_forward_reference;
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/**
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* The thrown systen exception.
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*/
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public Exception m_sys_exception;
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/**
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* The Any, containing the thrown user exception.
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*/
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public Any m_usr_exception;
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/**
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* The associated request, if any.
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*/
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public gnuRequest m_request;
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/**
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* Create a new instance at the time when it is known which object will serve
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* the invocation.
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*
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* @param an_object a local object, connected to the local servant that will
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* serve the invocation.
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*/
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public gnuServerRequestInfo(gnuServantObject an_object,
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RequestHeader a_request_header, ReplyHeader a_reply_header
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)
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{
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m_object = an_object;
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m_request_header = a_request_header;
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m_reply_header = a_reply_header;
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m_slots = new Any[ m_object.orb.icSlotSize ];
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reset();
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}
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/**
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* Set the give slot.
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*/
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public void set_slot(int id, Any data) throws InvalidSlot
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{
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try
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{
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m_slots [ id ] = data;
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}
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catch (Exception e)
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{
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InvalidSlot ex = new InvalidSlot("Cannot set slot " + id);
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ex.initCause(e);
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throw ex;
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}
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}
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/**
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* Get the given slot.
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*/
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public Any get_slot(int id) throws InvalidSlot
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{
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try
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{
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return m_slots [ id ];
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}
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catch (Exception e)
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{
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InvalidSlot ex = new InvalidSlot("Cannot get slot " + id);
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ex.initCause(e);
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throw ex;
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}
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}
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/**
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* Reset slot data.
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*/
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public void reset()
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{
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TypeCode tkNull = m_object.orb.get_primitive_tc(TCKind.tk_null);
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for (int i = 0; i < m_slots.length; i++)
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{
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Any a = m_object.orb.create_any();
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a.type(tkNull);
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m_slots [ i ] = a;
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}
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m_sys_exception = null;
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m_usr_exception = null;
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}
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/**
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* Get the object id (not the object IOR key).
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*/
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public byte[] object_id()
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{
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return m_object.Id;
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}
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/**
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* Check if the target is an instance of the type, represented by the given
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* repository Id.
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*/
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public boolean target_is_a(String id)
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{
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return m_object._is_a(id);
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}
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/**
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* Get the POA id.
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*/
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public byte[] adapter_id()
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{
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return m_object.poa.id();
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}
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/**
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* Get the POA policy of the given type that applies to the object being
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* served (request being handled).
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*/
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public Policy get_server_policy(int type) throws INV_POLICY
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{
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return m_object.poa._get_policy(type);
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}
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/**
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* Get the first member of the object repository id array.
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*/
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public String target_most_derived_interface()
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{
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return m_object._ids() [ 0 ];
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}
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/**
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* Get the name of the operation being performed.
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*/
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public String operation()
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{
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if (m_request != null)
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{
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return m_request.operation();
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}
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else
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{
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return m_request_header.operation;
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}
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}
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/**
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* Not available.
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*/
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public TypeCode[] exceptions()
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{
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if (m_request == null)
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{
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throw new NO_RESOURCES(not_available, 1,
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CompletionStatus.COMPLETED_MAYBE
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);
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}
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m_request.checkDii();
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ExceptionList ex = m_request.exceptions();
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TypeCode[] et = new TypeCode[ ex.count() ];
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try
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{
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for (int i = 0; i < et.length; i++)
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{
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et [ i ] = ex.item(i);
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}
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}
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catch (Bounds e)
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{
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throw new Unexpected(e);
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}
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return et;
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}
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/**
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* Get reply status.
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*/
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public short reply_status()
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{
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return (short) m_reply_header.reply_status;
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}
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/**
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* Get request id. All local requests have request id = -1.
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*/
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public int request_id()
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{
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return m_request_header.request_id;
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}
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/**
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* Check if the client expected any response.
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*/
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public boolean response_expected()
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{
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return m_request_header.isResponseExpected();
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}
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/** @inheritDoc */
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public void add_reply_service_context(ServiceContext service_context,
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boolean replace
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)
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{
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m_reply_header.addContext(service_context, replace);
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}
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/**
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* Get an exception, wrapped into Any.
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*/
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public Any sending_exception()
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{
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if (m_usr_exception != null)
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{
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return m_usr_exception;
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}
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else if (m_sys_exception != null)
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{
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Any a = m_object.orb.create_any();
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ObjectCreator.insertException(a, m_sys_exception);
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return a;
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}
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else
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{
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return null;
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}
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}
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public org.omg.CORBA.Object forward_reference()
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{
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return m_forward_reference;
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}
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/** @inheritDoc */
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public ServiceContext get_reply_service_context(int ctx_name)
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throws BAD_PARAM
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{
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return gnu.CORBA.GIOP.ServiceContext.findContext(ctx_name,
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m_reply_header.service_context
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);
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}
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/** @inheritDoc */
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public ServiceContext get_request_service_context(int ctx_name)
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throws BAD_PARAM
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{
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return gnu.CORBA.GIOP.ServiceContext.findContext(ctx_name,
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m_request_header.service_context
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);
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}
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/**
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* Not available
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*/
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public String[] operation_context()
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{
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if (m_request == null)
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{
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throw new NO_RESOURCES(not_available);
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}
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else
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{
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return m_request.operation_context();
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}
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}
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/** @inheritDoc */
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public Any result()
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{
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if (m_request == null)
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{
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throw new NO_RESOURCES(not_available);
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}
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else
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{
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return m_request.return_value();
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}
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}
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/** @inheritDoc */
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public String[] contexts()
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{
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if (m_request == null)
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{
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throw new NO_RESOURCES(not_available);
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}
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else
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{
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return m_request.ice_contexts();
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}
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}
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/**
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* Always returns "with transport".
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*/
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public short sync_scope()
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{
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return SYNC_WITH_TRANSPORT.value;
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}
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/** @inheritDoc */
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public Parameter[] arguments()
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{
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if (m_request == null)
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{
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throw new NO_RESOURCES(not_available);
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}
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m_request.checkDii();
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NVList args = m_request.arguments();
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Parameter[] p = new Parameter[ args.count() ];
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try
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{
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for (int i = 0; i < p.length; i++)
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{
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ParameterMode mode;
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switch (args.item(i).flags())
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{
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case ARG_IN.value :
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mode = ParameterMode.PARAM_IN;
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break;
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case ARG_OUT.value :
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mode = ParameterMode.PARAM_OUT;
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break;
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case ARG_INOUT.value :
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mode = ParameterMode.PARAM_INOUT;
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break;
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default :
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throw new Unexpected();
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}
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p [ i ] = new Parameter(args.item(i).value(), mode);
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}
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}
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catch (Bounds e)
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{
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throw new Unexpected(e);
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}
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return p;
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}
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/** @inheritDoc */
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public String[] adapter_name()
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{
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return m_object.poa.getReferenceTemplate().adapter_name();
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}
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/** @inheritDoc */
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public String orb_id()
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{
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return m_object.orb.orb_id;
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}
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/** @inheritDoc */
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public String server_id()
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{
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return OrbFunctional.server_id;
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}
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}
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