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authorAndrew Haley <aph@redhat.com>2016-09-30 16:24:48 +0000
committerAndrew Haley <aph@gcc.gnu.org>2016-09-30 16:24:48 +0000
commit07b78716af6a9d7c9fd1e94d9baf94a52c873947 (patch)
tree3f22b3241c513ad168c8353805614ae1249410f4 /libjava/classpath/gnu/CORBA/Poa/gnuServantObject.java
parenteae993948bae8b788c53772bcb9217c063716f93 (diff)
Makefile.def: Remove libjava.
2016-09-30 Andrew Haley <aph@redhat.com> * Makefile.def: Remove libjava. * Makefile.tpl: Likewise. * Makefile.in: Regenerate. * configure.ac: Likewise. * configure: Likewise. * gcc/java: Remove. * libjava: Likewise. From-SVN: r240662
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diff --git a/libjava/classpath/gnu/CORBA/Poa/gnuServantObject.java b/libjava/classpath/gnu/CORBA/Poa/gnuServantObject.java
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-/* gnuServantObject.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.Poa;
-
-import gnu.CORBA.GIOP.ReplyHeader;
-import gnu.CORBA.IorDelegate;
-import gnu.CORBA.IorObject;
-import gnu.CORBA.Interceptor.gnuServerRequestInfo;
-import gnu.CORBA.typecodes.RecordTypeCode;
-import gnu.CORBA.IOR;
-import gnu.CORBA.IorProvider;
-import gnu.CORBA.Minor;
-import gnu.CORBA.ObjectCreator;
-import gnu.CORBA.Unexpected;
-import gnu.CORBA.ResponseHandlerImpl;
-import gnu.CORBA.StreamHolder;
-
-import gnu.java.lang.CPStringBuilder;
-
-import org.omg.CORBA.Any;
-import org.omg.CORBA.BAD_OPERATION;
-import org.omg.CORBA.BAD_PARAM;
-import org.omg.CORBA.CompletionStatus;
-import org.omg.CORBA.OBJECT_NOT_EXIST;
-import org.omg.CORBA.OBJ_ADAPTER;
-import org.omg.CORBA.ORB;
-import org.omg.CORBA.SystemException;
-import org.omg.CORBA.TCKind;
-import org.omg.CORBA.TRANSIENT;
-import org.omg.CORBA.UserException;
-import org.omg.CORBA.portable.InputStream;
-import org.omg.CORBA.portable.InvokeHandler;
-import org.omg.CORBA.portable.ObjectImpl;
-import org.omg.CORBA.portable.OutputStream;
-import org.omg.CORBA.portable.ResponseHandler;
-import org.omg.PortableInterceptor.ForwardRequest;
-import org.omg.PortableInterceptor.ServerRequestInterceptorOperations;
-import org.omg.PortableServer.CurrentOperations;
-import org.omg.PortableServer.DynamicImplementation;
-import org.omg.PortableServer.ImplicitActivationPolicyValue;
-import org.omg.PortableServer.POA;
-import org.omg.PortableServer.POAManager;
-import org.omg.PortableServer.POAManagerPackage.State;
-import org.omg.PortableServer.Servant;
-import org.omg.PortableServer.ServantLocatorPackage.CookieHolder;
-import org.omg.PortableServer.ServantRetentionPolicyValue;
-import org.omg.PortableServer.portable.Delegate;
-
-import java.io.IOException;
-
-import java.util.Arrays;
-
-/**
- * Represents a CORBA object, being locally served by the associated servant.
- * The calls to the object are forwarded to the calls to the servant.
- *
- * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
- */
-public class gnuServantObject extends ObjectImpl
- implements org.omg.CORBA.Object,
- InvokeHandler,
- CurrentOperations,
- IorProvider
-{
- /**
- * The associated servant that must also implement the {@link InvokeHandler}
- * interface. This value can be temporary null if the object was created using
- * POA.create_reference or POA.create_reference_with_id, private to force
- * always to use {@link setServant}.
- */
- private Servant servant;
-
- /**
- * The Id of this object.
- */
- public final byte[] Id;
-
- /**
- * The poa that takes care about this object.
- */
- public final gnuPOA poa;
-
- /**
- * The POA manager, used to control the work of this object.
- */
- public final POAManager manager;
-
- /**
- * The orb.
- */
- public final ORB_1_4 orb;
-
- /**
- * The object repository ids, if they were specified separately. Normally, the
- * ids are requested from the servant.
- */
- public final String[] repository_ids;
-
- /**
- * True indicates that the NO_RETAIN policy applies for the servant.
- * The servant must be discarded after the each call.
- */
- boolean noRetain;
-
- /**
- * Create an object with no connected servant. The servant must be set later.
- *
- * @param a_repository_ids an array of repository ids, can be null (then ids
- * will be requested from the servant).
- * @param an_id the object id.
- * @param a_poa the POA.
- */
- public gnuServantObject(String[] a_repository_ids, byte[] an_id,
- gnuPOA a_poa, ORB_1_4 an_orb
- )
- {
- repository_ids = a_repository_ids;
- Id = an_id;
- manager = a_poa.the_POAManager();
- poa = a_poa;
- orb = an_orb;
-
- noRetain = poa.applies(ServantRetentionPolicyValue.NON_RETAIN);
- }
-
- /**
- * Get the IOR as it would be for this object.
- */
- public IOR getIor()
- {
- return orb.getLocalIor(this);
- }
-
- /**
- * Create a servant object, associated with the passed servant.
- *
- * @param a_servant a servant, serving this object.
- * @param an_id an Object Id for this object.
- *
- * @throws BAD_PARAM if the passed servant is not an {@link InvokeHandler}.
- */
- public gnuServantObject(Servant a_servant, byte[] an_id, ORB_1_4 an_orb,
- gnuPOA a_poa
- )
- {
- Id = an_id;
- setServant(a_servant);
- poa = a_poa;
- if (poa != null)
- {
- manager = poa.the_POAManager();
- }
- else
- {
- manager = null;
- }
- repository_ids = null;
- orb = an_orb;
-
- noRetain = poa != null && poa.applies(ServantRetentionPolicyValue.NON_RETAIN);
- }
-
- /**
- * Set a servant, if it has not been previously set.
- *
- * @param a_servant a servant to set, can be null to indicate the necessity
- * for the subsequent activation.
- *
- * @throws BAD_PARAM if the passed servant is not an {@link InvokeHandler} or
- * {@link DynamicImplementation} and also not null.
- */
- public void setServant(Servant a_servant)
- {
- if (a_servant != null &&
- !(a_servant instanceof InvokeHandler) &&
- !(a_servant instanceof DynamicImplementation)
- )
- {
- throw new BAD_PARAM("Must be either InvokeHandler or " +
- "DynamicImplementation, but is " + a_servant
- );
- }
- servant = a_servant;
- }
-
- /**
- * Returns the associated servant.
- */
- public Servant getServant()
- {
- return servant;
- }
-
- /**
- * Return the associated invocation handler.
- */
- public InvokeHandler getHandler(String operation, CookieHolder cookie,
- boolean forwarding_allowed
- ) throws gnuForwardRequest
- {
- if (servant != null && !noRetain)
- {
- return servantToHandler(servant);
- }
- else
- {
- // Use servant locator to locate the servant.
- if (poa.servant_locator != null)
- {
- try
- {
- servant =
- poa.servant_locator.preinvoke(Id, poa, operation, cookie);
- return servantToHandler(servant);
- }
- catch (org.omg.PortableServer.ForwardRequest forw_ex)
- {
- if (forwarding_allowed)
- {
- throw new gnuForwardRequest(forw_ex.forward_reference);
- }
- else
- {
- servant =
- ForwardedServant.create(forw_ex.forward_reference);
- return servantToHandler(servant);
- }
- }
- }
- else
- // Use servant activator to locate the servant.
- if (poa.applies(ImplicitActivationPolicyValue.IMPLICIT_ACTIVATION) &&
- poa.applies(ServantRetentionPolicyValue.RETAIN)
- )
- {
- try
- {
- poa.activate_object_with_id(Id, servant, forwarding_allowed);
- servant = poa.id_to_servant(Id);
- return servantToHandler(servant);
- }
- catch (gnuForwardRequest forwarded)
- {
- throw forwarded;
- }
- catch (Exception ex)
- {
- BAD_OPERATION bad =
- new BAD_OPERATION("Unable to activate", Minor.Activation,
- CompletionStatus.COMPLETED_NO
- );
- bad.initCause(ex);
- throw bad;
- }
- }
- else if (poa.default_servant != null)
- {
- servant = poa.default_servant;
- return servantToHandler(servant);
- }
-
- // No servant and no servant manager - throw exception.
- else
- {
- throw new BAD_OPERATION("Unable to activate", Minor.Activation,
- CompletionStatus.COMPLETED_NO
- );
- }
- }
- }
-
- /**
- * Convert the servant to invocation handler.
- */
- public InvokeHandler servantToHandler(Servant a_servant)
- {
- if (a_servant instanceof InvokeHandler)
- {
- return (InvokeHandler) a_servant;
- }
- else if (a_servant instanceof DynamicImplementation)
- {
- return new DynamicImpHandler((DynamicImplementation) a_servant);
- }
- else
- {
- throw new BAD_OPERATION(a_servant +
- " must be either InvokeHandler or " + "POA DynamicImplementation"
- );
- }
- }
-
- /**
- * Create a servant object, associated with the passed servant. Requests the
- * object id from the servant. Depending on the policies of the servants POA,
- * the calls are eithe not synchronized or synchronized on POA or ORB.
- *
- * @param a_servant a servant, serving this object.
- * @param an_id an Object Id for this object.
- */
- public gnuServantObject(Servant a_servant, gnuPOA a_poa)
- {
- this(a_servant, a_servant._object_id(), (ORB_1_4) a_servant._orb(), a_poa);
- }
-
- /**
- * Delegates call to servant, passing the poa and Id.
- */
- public String[] _ids()
- {
- if (repository_ids == null)
- {
- return getServant()._all_interfaces(poa, Id);
- }
- else
- {
- return repository_ids;
- }
- }
-
- /**
- * Gets a string representation.
- */
- public String toString()
- {
- CPStringBuilder b = new CPStringBuilder("Servant object (");
- for (int i = 0; i < Id.length; i++)
- {
- b.append(Integer.toHexString(Id [ i ] & 0xFF));
- b.append(' ');
- }
- b.append(')');
- return b.toString();
- }
-
- /**
- * Always returns true.
- */
- public boolean _is_local()
- {
- return true;
- }
-
- /**
- * Check if this object could be named by the given repository id.
- *
- * @param idl_id the repository id to check.
- *
- * @return true if it is one of the possible repository ids of this object.
- */
- public boolean _is_a(String idl_id)
- {
- String[] maybe = _ids();
- for (int i = 0; i < maybe.length; i++)
- {
- if (maybe [ i ].equals(idl_id))
- {
- return true;
- }
- }
- return false;
- }
-
- /**
- * Get an ORB, associated with the servant of this object.
- *
- * @return
- */
- public ORB _orb()
- {
- return getServant()._orb();
- }
-
- /**
- * Handle the invocation (delegates to servant).
- *
- * @throws TRANSIENT minor 0x535503e9 if the POA is in discarding mode.
- * @throws OBJ_ADAPTER minor 0x535503ea if the POA is inactivated.
- * @throws OBJECT_NOT_EXISTS minor 0x535503ec if this object is inactivated.
- *
- * @specnote see {@link POAManagerOperations} for specnotes about the minor
- * codes.
- */
- public OutputStream _invoke(String method, InputStream input,
- ResponseHandler r_handler
- ) throws SystemException
- {
- boolean intercept = false;
- ServerRequestInterceptorOperations interceptor = null;
- gnuServerRequestInfo info = null;
- ResponseHandlerImpl i_handler = null;
-
- try
- {
- if (orb.iServer != null &&
- r_handler instanceof ResponseHandlerImpl
- )
- {
- interceptor = orb.iServer;
-
- i_handler = (ResponseHandlerImpl) r_handler;
-
- info =
- new gnuServerRequestInfo(this, i_handler.request_header,
- i_handler.reply_header
- );
- intercept = true;
-
- interceptor.receive_request_service_contexts(info);
- }
-
- try
- {
- CookieHolder cookie = null;
- AOM.Obj self = poa.aom.get(Id);
-
- if (poa.servant_locator != null)
- {
- // If the servant locator is in use, it is always responsible
- // for providing the servant.
- self.servant = servant = null;
- cookie = new CookieHolder();
- }
- else if (self != null && self.isDeactiveted())
- {
- if (poa.applies(
- ImplicitActivationPolicyValue.IMPLICIT_ACTIVATION
- ) &&
- poa.servant_activator != null
- )
- {
- // Reset the servant, forcing the subsequent activation.
- servant = null;
- }
- else
- {
- throw new OBJECT_NOT_EXIST("Object deactivated",
- 0x535503ec, CompletionStatus.COMPLETED_NO
- );
- }
- }
-
- InvokeHandler handler = getHandler(method, cookie, true);
-
- Delegate d = null;
-
- try
- {
- d = servant._get_delegate();
- orb.currents.put(Thread.currentThread(), this);
- }
- catch (Exception ex)
- {
- // In some cases exception is thrown if the delegate is not set.
- }
- if (d instanceof ServantDelegateImpl)
- {
- // If the delegate is already set, check maybe we can
- // reuse the existing instance.
- if (((ServantDelegateImpl) d).object != this)
- {
- servant._set_delegate(new ServantDelegateImpl(servant, poa, Id));
- }
- }
- else
- {
- servant._set_delegate(new ServantDelegateImpl(servant, poa, Id));
- }
-
- try
- {
- switch (manager.get_state().value())
- {
- case State._ACTIVE :
-
- OutputStream rt;
- try
- {
- if (intercept)
- {
- interceptor.receive_request(info);
- }
-
- rt = handler._invoke(method, input, r_handler);
-
- if (intercept)
- {
- // Handler is casted into i_handler.
- if (i_handler.isExceptionReply())
- {
- info.m_reply_header.reply_status =
- ReplyHeader.USER_EXCEPTION;
-
- // Make Any, holding the user exception.
- Any a = orb.create_any();
- OutputStream buf = i_handler.getBuffer();
- InputStream in = buf.create_input_stream();
- String uex_idl = "unknown";
- try
- {
- in.mark(Integer.MAX_VALUE);
- uex_idl = in.read_string();
- in.reset();
- }
- catch (IOException e)
- {
- throw new Unexpected(e);
- }
-
- try
- {
- UserException exception =
- ObjectCreator.readUserException(uex_idl,
- in
- );
-
- ObjectCreator.insertWithHelper(a,
- exception
- );
- }
- catch (Exception e)
- {
- // Failed due any reason, insert without
- // helper.
- a.insert_Streamable(new StreamHolder(
- buf.create_input_stream()
- )
- );
-
- RecordTypeCode r =
- new RecordTypeCode(TCKind.tk_except);
- r.setId(uex_idl);
- r.setName(ObjectCreator.getDefaultName(
- uex_idl
- )
- );
- }
-
- info.m_usr_exception = a;
- interceptor.send_exception(info);
- }
- else
- {
- info.m_reply_header.reply_status =
- ReplyHeader.NO_EXCEPTION;
- interceptor.send_reply(info);
- }
- }
- }
- catch (SystemException sys_ex)
- {
- if (intercept)
- {
- info.m_reply_header.reply_status =
- ReplyHeader.SYSTEM_EXCEPTION;
- info.m_sys_exception = sys_ex;
- interceptor.send_exception(info);
- }
- throw sys_ex;
- }
-
- return rt;
-
- case State._HOLDING :
-
- // The holding mode is implemented
- // relying on the holding capabilites of the network
- // support (if any).
- // TODO FIXME in more recent CORBA applications, the
- // client
- // ORB can free the connection and wait for a server side
- // notification about the completed request. Implement
- // this
- // as soon as JDK specification would allow bidirectional
- // policy.
- int sleep = 5;
- int max = 500;
-
- // Wait till the state will be switched into some other
- // mode.
- while (manager.get_state().value() == State._HOLDING)
- {
- try
- {
- Thread.sleep(sleep);
- if (sleep < max)
- {
- sleep = max;
- }
- }
- catch (InterruptedException ex)
- {
- }
- }
-
- // Handle another mode.
- return _invoke(method, input, r_handler);
-
- case State._DISCARDING :
- throw new TRANSIENT("Discarding mode", 0x535503e9,
- CompletionStatus.COMPLETED_NO
- );
-
- case State._INACTIVE :
- throw new OBJ_ADAPTER("POA deactivated", 0x535503ea,
- CompletionStatus.COMPLETED_NO
- );
-
- default :
- throw new InternalError(); // No more states.
- }
- }
- finally
- {
- if (poa.servant_locator != null)
- {
- poa.servant_locator.postinvoke(Id, poa, method,
- cookie.value, servant
- );
- }
- }
- }
- finally
- {
- orb.currents.remove(Thread.currentThread());
- if (noRetain)
- servant = null;
- }
- }
- catch (ForwardRequest fex)
- {
- // May be thrown by interceptor.
- if (intercept)
- {
- Forwarding:
- while (true)
- {
- info.m_reply_header.reply_status =
- ReplyHeader.LOCATION_FORWARD;
- info.m_forward_reference = fex.forward;
- try
- {
- interceptor.send_other(info);
- break Forwarding;
- }
- catch (ForwardRequest fex2)
- {
- info.m_forward_reference = fex2.forward;
- fex.forward = info.m_forward_reference;
- }
- }
- }
- throw new gnuForwardRequest(fex.forward);
- }
- catch (gnuForwardRequest fex)
- {
- // May be thrown during activation.
- if (intercept)
- {
- Forwarding:
- while (true)
- {
- info.m_reply_header.reply_status =
- ReplyHeader.LOCATION_FORWARD;
- info.m_forward_reference = fex.forward_reference;
- try
- {
- interceptor.send_other(info);
- break Forwarding;
- }
- catch (ForwardRequest fex2)
- {
- info.m_forward_reference = fex2.forward;
- fex.forward_reference = (ObjectImpl) fex2.forward;
- }
- }
- }
- throw fex;
- }
- }
-
- /**
- * Compare with another object for equality, comparing the object keys.
- */
- public boolean equals(java.lang.Object other)
- {
- if (other instanceof gnuServantObject)
- {
- gnuServantObject o = (gnuServantObject) other;
-
- return Arrays.equals(o.Id, Id);
- }
- else
- {
- return false;
- }
- }
-
- /**
- * Get the hash code, based on the object key.
- */
- public int hashCode()
- {
- long s = 0;
- int v = 1;
- for (int i = 0; i < Id.length; i++)
- {
- s += Id [ i ] * v;
- if (s > Integer.MAX_VALUE)
- {
- s = s % Integer.MAX_VALUE;
- v = 1;
- }
- v = v * 8;
- }
- return (int) (s % Integer.MAX_VALUE);
- }
-
- /**
- * Get the object id.
- */
- public byte[] get_object_id()
- {
- return Id;
- }
-
- /**
- * Get POA.
- */
- public POA get_POA()
- {
- return poa;
- }
-
- /**
- * Returns without action.
- */
- public void _release()
- {
- }
-
- /**
- * Returns without action.
- */
- public void _releaseReply(InputStream stream)
- {
- }
-
- /**
- * Checks if this object is equivalent to another instance. These objects are
- * assumed equal if they are connected to the same orb and poa under the same
- * Id, regardless of they delegates.
- *
- * @param other instance to check.
- * @return
- */
- public boolean _is_equivalent(org.omg.CORBA.Object other)
- {
- if (other instanceof gnuServantObject)
- {
- gnuServantObject g = (gnuServantObject) other;
- return orb == g.orb && poa == g.poa && Arrays.equals(Id, g.Id);
- }
- else if (other instanceof IorObject)
- {
- IorObject ir = ((IorObject) other);
- try
- {
- IorDelegate ird = (IorDelegate) ir._get_delegate();
- byte[] ior_id = poa.idFormIor(ird.getIor().key);
- if (ior_id != null && Arrays.equals(ior_id, Id))
- {
- return true;
- }
- else
- {
- return false;
- }
- }
- catch (Exception ex)
- {
- // Non - typical delegate or very specific subclass of
- // IOR_constructed_object.
- return super._is_equivalent(other);
- }
- }
- return super._is_equivalent(other);
- }
-}