| /* |
| * Copyright (c) 2001, 2004, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.corba.se.impl.protocol; |
| |
| import java.util.Iterator; |
| import java.util.HashMap; |
| |
| import javax.rmi.CORBA.Tie; |
| |
| import org.omg.CORBA.CompletionStatus; |
| import org.omg.CORBA.Context; |
| import org.omg.CORBA.ContextList; |
| import org.omg.CORBA.ExceptionList; |
| import org.omg.CORBA.NamedValue; |
| import org.omg.CORBA.NVList; |
| import org.omg.CORBA.Request; |
| import org.omg.CORBA.TypeCode; |
| |
| import org.omg.CORBA.portable.ApplicationException; |
| import org.omg.CORBA.portable.Delegate; |
| import org.omg.CORBA.portable.InputStream; |
| import org.omg.CORBA.portable.OutputStream; |
| import org.omg.CORBA.portable.RemarshalException; |
| import org.omg.CORBA.portable.ServantObject; |
| |
| import com.sun.corba.se.pept.broker.Broker; |
| import com.sun.corba.se.pept.encoding.InputObject; |
| import com.sun.corba.se.pept.encoding.OutputObject; |
| import com.sun.corba.se.pept.protocol.ClientInvocationInfo; |
| import com.sun.corba.se.pept.protocol.ClientRequestDispatcher; |
| import com.sun.corba.se.pept.transport.ContactInfo; |
| import com.sun.corba.se.pept.transport.ContactInfoList; |
| import com.sun.corba.se.pept.transport.ContactInfoListIterator; |
| |
| import com.sun.corba.se.spi.presentation.rmi.StubAdapter; |
| import com.sun.corba.se.spi.ior.IOR; |
| import com.sun.corba.se.spi.logging.CORBALogDomains; |
| import com.sun.corba.se.spi.orb.ORB; |
| import com.sun.corba.se.spi.protocol.CorbaClientDelegate ; |
| import com.sun.corba.se.spi.transport.CorbaContactInfo; |
| import com.sun.corba.se.spi.transport.CorbaContactInfoList; |
| import com.sun.corba.se.spi.transport.CorbaContactInfoListIterator; |
| |
| import com.sun.corba.se.impl.corba.RequestImpl; |
| import com.sun.corba.se.impl.protocol.CorbaInvocationInfo; |
| import com.sun.corba.se.impl.transport.CorbaContactInfoListImpl; |
| import com.sun.corba.se.impl.util.JDKBridge; |
| import com.sun.corba.se.impl.logging.ORBUtilSystemException; |
| |
| // implements com.sun.corba.se.impl.core.ClientRequestDispatcher |
| // so RMI-IIOP Util.isLocal can call ClientRequestDispatcher.useLocalInvocation. |
| |
| /** |
| * @author Harold Carr |
| */ |
| public class CorbaClientDelegateImpl extends CorbaClientDelegate |
| { |
| private ORB orb; |
| private ORBUtilSystemException wrapper ; |
| |
| private CorbaContactInfoList contactInfoList; |
| |
| public CorbaClientDelegateImpl(ORB orb, |
| CorbaContactInfoList contactInfoList) |
| { |
| this.orb = orb; |
| this.wrapper = ORBUtilSystemException.get( orb, |
| CORBALogDomains.RPC_PROTOCOL ) ; |
| this.contactInfoList = contactInfoList; |
| } |
| |
| // |
| // framework.subcontract.Delegate |
| // |
| |
| public Broker getBroker() |
| { |
| return orb; |
| } |
| |
| public ContactInfoList getContactInfoList() |
| { |
| return contactInfoList; |
| } |
| |
| // |
| // CORBA_2_3.portable.Delegate |
| // |
| |
| public OutputStream request(org.omg.CORBA.Object self, |
| String operation, |
| boolean responseExpected) |
| { |
| ClientInvocationInfo invocationInfo = |
| orb.createOrIncrementInvocationInfo(); |
| Iterator contactInfoListIterator = |
| invocationInfo.getContactInfoListIterator(); |
| if (contactInfoListIterator == null) { |
| contactInfoListIterator = contactInfoList.iterator(); |
| invocationInfo.setContactInfoListIterator(contactInfoListIterator); |
| } |
| if (! contactInfoListIterator.hasNext()) { |
| throw ((CorbaContactInfoListIterator)contactInfoListIterator) |
| .getFailureException(); |
| } |
| CorbaContactInfo contactInfo = (CorbaContactInfo) contactInfoListIterator.next(); |
| ClientRequestDispatcher subcontract = contactInfo.getClientRequestDispatcher(); |
| // Remember chosen subcontract for invoke and releaseReply. |
| // NOTE: This is necessary since a stream is not available in |
| // releaseReply if there is a client marshaling error or an |
| // error in _invoke. |
| invocationInfo.setClientRequestDispatcher(subcontract); |
| return (OutputStream) |
| subcontract.beginRequest(self, operation, |
| !responseExpected, contactInfo); |
| } |
| |
| public InputStream invoke(org.omg.CORBA.Object self, OutputStream output) |
| throws |
| ApplicationException, |
| RemarshalException |
| { |
| ClientRequestDispatcher subcontract = getClientRequestDispatcher(); |
| return (InputStream) |
| subcontract.marshalingComplete((Object)self, (OutputObject)output); |
| } |
| |
| public void releaseReply(org.omg.CORBA.Object self, InputStream input) |
| { |
| // NOTE: InputStream may be null (e.g., exception request from PI). |
| ClientRequestDispatcher subcontract = getClientRequestDispatcher(); |
| subcontract.endRequest(orb, self, (InputObject)input); |
| orb.releaseOrDecrementInvocationInfo(); |
| } |
| |
| private ClientRequestDispatcher getClientRequestDispatcher() |
| { |
| return (ClientRequestDispatcher) |
| ((CorbaInvocationInfo)orb.getInvocationInfo()) |
| .getClientRequestDispatcher(); |
| } |
| |
| public org.omg.CORBA.Object get_interface_def(org.omg.CORBA.Object obj) |
| { |
| InputStream is = null; |
| // instantiate the stub |
| org.omg.CORBA.Object stub = null ; |
| |
| try { |
| OutputStream os = request(null, "_interface", true); |
| is = (InputStream) invoke((org.omg.CORBA.Object)null, os); |
| |
| org.omg.CORBA.Object objimpl = |
| (org.omg.CORBA.Object) is.read_Object(); |
| |
| // check if returned object is of correct type |
| if ( !objimpl._is_a("IDL:omg.org/CORBA/InterfaceDef:1.0") ) |
| throw wrapper.wrongInterfaceDef(CompletionStatus.COMPLETED_MAYBE); |
| |
| try { |
| stub = (org.omg.CORBA.Object) |
| JDKBridge.loadClass("org.omg.CORBA._InterfaceDefStub"). |
| newInstance(); |
| } catch (Exception ex) { |
| throw wrapper.noInterfaceDefStub( ex ) ; |
| } |
| |
| org.omg.CORBA.portable.Delegate del = |
| StubAdapter.getDelegate( objimpl ) ; |
| StubAdapter.setDelegate( stub, del ) ; |
| } catch (ApplicationException e) { |
| // This cannot happen. |
| throw wrapper.applicationExceptionInSpecialMethod( e ) ; |
| } catch (RemarshalException e) { |
| return get_interface_def(obj); |
| } finally { |
| releaseReply((org.omg.CORBA.Object)null, (InputStream)is); |
| } |
| |
| return stub; |
| } |
| |
| public boolean is_a(org.omg.CORBA.Object obj, String dest) |
| { |
| // dest is the typeId of the interface to compare against. |
| // repositoryIds is the list of typeIds that the stub knows about. |
| |
| // First we look for an answer using local information. |
| |
| String [] repositoryIds = StubAdapter.getTypeIds( obj ) ; |
| String myid = contactInfoList.getTargetIOR().getTypeId(); |
| if ( dest.equals(myid) ) { |
| return true; |
| } |
| for ( int i=0; i<repositoryIds.length; i++ ) { |
| if ( dest.equals(repositoryIds[i]) ) { |
| return true; |
| } |
| } |
| |
| // But repositoryIds may not be complete, so it may be necessary to |
| // go to server. |
| |
| InputStream is = null; |
| try { |
| OutputStream os = request(null, "_is_a", true); |
| os.write_string(dest); |
| is = (InputStream) invoke((org.omg.CORBA.Object) null, os); |
| |
| return is.read_boolean(); |
| |
| } catch (ApplicationException e) { |
| // This cannot happen. |
| throw wrapper.applicationExceptionInSpecialMethod( e ) ; |
| } catch (RemarshalException e) { |
| return is_a(obj, dest); |
| } finally { |
| releaseReply((org.omg.CORBA.Object)null, (InputStream)is); |
| } |
| } |
| |
| public boolean non_existent(org.omg.CORBA.Object obj) |
| { |
| InputStream is = null; |
| try { |
| OutputStream os = request(null, "_non_existent", true); |
| is = (InputStream) invoke((org.omg.CORBA.Object)null, os); |
| |
| return is.read_boolean(); |
| |
| } catch (ApplicationException e) { |
| // This cannot happen. |
| throw wrapper.applicationExceptionInSpecialMethod( e ) ; |
| } catch (RemarshalException e) { |
| return non_existent(obj); |
| } finally { |
| releaseReply((org.omg.CORBA.Object)null, (InputStream)is); |
| } |
| } |
| |
| public org.omg.CORBA.Object duplicate(org.omg.CORBA.Object obj) |
| { |
| return obj; |
| } |
| |
| public void release(org.omg.CORBA.Object obj) |
| { |
| // DO NOT clear out internal variables to release memory |
| // This delegate may be pointed-to by other objrefs. |
| } |
| |
| // obj._get_delegate() == this due to the argument passing conventions in |
| // portable.ObjectImpl, so we just ignore obj here. |
| public boolean is_equivalent(org.omg.CORBA.Object obj, |
| org.omg.CORBA.Object ref) |
| { |
| if ( ref == null ) |
| return false; |
| |
| // If ref is a local object, it is not a Stub! |
| if (!StubAdapter.isStub(ref)) |
| return false ; |
| |
| Delegate del = StubAdapter.getDelegate(ref) ; |
| if (del == null) |
| return false ; |
| |
| // Optimize the x.is_equivalent( x ) case |
| if (del == this) |
| return true; |
| |
| // If delegate was created by a different ORB, return false |
| if (!(del instanceof CorbaClientDelegateImpl)) |
| return false ; |
| |
| CorbaClientDelegateImpl corbaDelegate = (CorbaClientDelegateImpl)del ; |
| CorbaContactInfoList ccil = |
| (CorbaContactInfoList)corbaDelegate.getContactInfoList() ; |
| return this.contactInfoList.getTargetIOR().isEquivalent( |
| ccil.getTargetIOR() ); |
| } |
| |
| /** |
| * This method overrides the org.omg.CORBA.portable.Delegate.equals method, |
| * and does the equality check based on IOR equality. |
| */ |
| public boolean equals(org.omg.CORBA.Object self, java.lang.Object other) |
| { |
| if (other == null) |
| return false ; |
| |
| if (!StubAdapter.isStub(other)) { |
| return false; |
| } |
| |
| Delegate delegate = StubAdapter.getDelegate( other ) ; |
| if (delegate == null) |
| return false ; |
| |
| if (delegate instanceof CorbaClientDelegateImpl) { |
| CorbaClientDelegateImpl otherDel = (CorbaClientDelegateImpl) |
| delegate ; |
| IOR otherIor = otherDel.contactInfoList.getTargetIOR(); |
| return this.contactInfoList.getTargetIOR().equals(otherIor); |
| } |
| |
| // Come here if other is not implemented by our ORB. |
| return false; |
| } |
| |
| public int hashCode(org.omg.CORBA.Object obj) |
| { |
| return this.hashCode() ; |
| } |
| |
| public int hash(org.omg.CORBA.Object obj, int maximum) |
| { |
| int h = this.hashCode(); |
| if ( h > maximum ) |
| return 0; |
| return h; |
| } |
| |
| public Request request(org.omg.CORBA.Object obj, String operation) |
| { |
| return new RequestImpl(orb, obj, null, operation, null, null, null, |
| null); |
| } |
| |
| public Request create_request(org.omg.CORBA.Object obj, |
| Context ctx, |
| String operation, |
| NVList arg_list, |
| NamedValue result) |
| { |
| return new RequestImpl(orb, obj, ctx, operation, arg_list, |
| result, null, null); |
| } |
| |
| public Request create_request(org.omg.CORBA.Object obj, |
| Context ctx, |
| String operation, |
| NVList arg_list, |
| NamedValue result, |
| ExceptionList exclist, |
| ContextList ctxlist) |
| { |
| return new RequestImpl(orb, obj, ctx, operation, arg_list, result, |
| exclist, ctxlist); |
| } |
| |
| public org.omg.CORBA.ORB orb(org.omg.CORBA.Object obj) |
| { |
| return this.orb; |
| } |
| |
| /** |
| * Returns true if this object is implemented by a local servant. |
| * |
| * REVISIT: locatedIOR should be replaced with a method call that |
| * returns the current IOR for this request (e.g. ContactInfoChooser). |
| * |
| * @param self The object reference which delegated to this delegate. |
| * @return true only if the servant incarnating this object is located in |
| * this ORB. |
| */ |
| public boolean is_local(org.omg.CORBA.Object self) |
| { |
| // XXX this need to check isNextCallValid |
| return contactInfoList.getEffectiveTargetIOR().getProfile(). |
| isLocal(); |
| } |
| |
| public ServantObject servant_preinvoke(org.omg.CORBA.Object self, |
| String operation, |
| Class expectedType) |
| { |
| return |
| contactInfoList.getLocalClientRequestDispatcher() |
| .servant_preinvoke(self, operation, expectedType); |
| } |
| |
| public void servant_postinvoke(org.omg.CORBA.Object self, |
| ServantObject servant) |
| { |
| contactInfoList.getLocalClientRequestDispatcher() |
| .servant_postinvoke(self, servant); |
| } |
| |
| // XXX Should this be public? |
| /* Returns the codebase for object reference provided. |
| * @param self the object reference whose codebase needs to be returned. |
| * @return the codebase as a space delimited list of url strings or |
| * null if none. |
| */ |
| public String get_codebase(org.omg.CORBA.Object self) |
| { |
| if (contactInfoList.getTargetIOR() != null) { |
| return contactInfoList.getTargetIOR().getProfile().getCodebase(); |
| } |
| return null; |
| } |
| |
| public String toString(org.omg.CORBA.Object self) |
| { |
| return contactInfoList.getTargetIOR().stringify(); |
| } |
| |
| //////////////////////////////////////////////////// |
| // |
| // java.lang.Object |
| // |
| |
| public int hashCode() |
| { |
| return this.contactInfoList.hashCode(); |
| } |
| } |
| |
| // End of file. |
