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verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
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1 files changed, 362 insertions, 0 deletions

diff --git a/libjava/classpath/gnu/javax/rmi/CORBA/PortableRemoteObjectDelegateImpl.java b/libjava/classpath/gnu/javax/rmi/CORBA/PortableRemoteObjectDelegateImpl.java
new file mode 100644
index 000000000..f430ac123
--- /dev/null
+++ b/libjava/classpath/gnu/javax/rmi/CORBA/PortableRemoteObjectDelegateImpl.java
@@ -0,0 +1,362 @@
+/* PortableRemoteObjectDelegateImpl.java --
+   Copyright (C) 2002, 2004, 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.javax.rmi.CORBA;
+
+import gnu.CORBA.SimpleDelegate;
+import gnu.CORBA.Unexpected;
+import gnu.CORBA.Poa.LocalDelegate;
+import gnu.CORBA.Poa.ORB_1_4;
+import gnu.CORBA.Poa.AOM;
+
+import java.rmi.NoSuchObjectException;
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+import java.rmi.server.RMIClassLoader;
+
+import javax.rmi.CORBA.PortableRemoteObjectDelegate;
+import javax.rmi.CORBA.Stub;
+import javax.rmi.CORBA.Tie;
+import javax.rmi.CORBA.Util;
+
+import org.omg.CORBA.BAD_PARAM;
+import org.omg.CORBA.ORB;
+import org.omg.CORBA.portable.Delegate;
+import org.omg.CORBA.portable.ObjectImpl;
+import org.omg.PortableServer.POA;
+import org.omg.PortableServer.POAHelper;
+import org.omg.PortableServer.Servant;
+import org.omg.PortableServer.POAManagerPackage.State;
+
+/**
+ * Implements PortableRemoteObjectDelegate.
+ *
+ * @author Wu Gansha (gansha.wu@intel.com) (stub)
+ * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) (implementation)
+ */
+public class PortableRemoteObjectDelegateImpl
+  implements PortableRemoteObjectDelegate
+{
+  /**
+   * <p>
+   * Makes the remote object <code>a_target</code> ready for remote
+   * communication using the same communications runtime as for the passed
+   * <code>a_source</code> parameter. The a_target is connected to the same
+   * ORB (and, if applicable, to the same POA) as the a_source.
+   *
+   * @param a_target the target to connect to ORB, must be an instance of either
+   * {@link ObjectImpl} (Stubs and old-style ties) or {@link Servant} (POA-bases
+   * ties).
+   *
+   * @param a_source the object, providing the connection information, must be
+   * an instance of either {@link ObjectImpl} (Stubs and old-style ties) or
+   * {@link Servant} (POA-bases ties).
+   *
+   * @throws RemoteException if the target is already connected to another ORB.
+   */
+  public void connect(Remote a_target, Remote a_source)
+    throws RemoteException
+  {
+    ORB orb = null;
+    POA poa = null;
+    boolean ok = false;
+
+    try
+      {
+        if (a_source instanceof Servant)
+          {
+            Servant s = (Servant) a_source;
+            orb = s._orb();
+            poa = s._poa();
+            ok = true;
+          }
+
+        if (!ok && a_source instanceof ObjectImpl)
+          {
+            ObjectImpl o = (ObjectImpl) a_source;
+            orb = o._orb();
+            ok = true;
+            try
+              {
+                if (orb instanceof ORB_1_4)
+                  {
+                    // POA information available.
+                    ORB_1_4 xorb = (ORB_1_4) orb;
+                    Delegate d = o._get_delegate();
+
+                    if (d instanceof LocalDelegate)
+                      {
+                        LocalDelegate l = (LocalDelegate) d;
+                        poa = l.poa;
+                      }
+                    else if (d instanceof SimpleDelegate)
+                      {
+                        byte[] ior_key = ((SimpleDelegate) d).getIor().key;
+                        AOM.Obj ref = xorb.rootPOA.findIorKey(ior_key);
+                        if (ref != null)
+                          poa = ref.poa;
+                      }
+                  }
+              }
+            catch (Exception ex)
+              {
+                // OK, POA info is not available, but as ORB is available, we
+                // will connect in a default way.
+              }
+          }
+      }
+    catch (Exception ex)
+      {
+        RuntimeException rex = new RuntimeException("Unable to get info from "
+          + a_source);
+        rex.initCause(ex);
+        throw rex;
+      }
+
+    if (!ok && a_source instanceof Tie)
+      {
+        Tie t = (Tie) a_source;
+        orb = t.orb();
+        poa = null;
+        ok = true;
+      }
+
+    if (orb == null)
+      throw new RemoteException("Unable to determine ORB from " + a_source);
+
+    if (a_target instanceof Stub)
+      {
+        StubDelegateImpl.connect((Stub) a_target, orb, poa);
+      }
+    else if (a_target instanceof Servant)
+      {
+        try
+          {
+            if (poa == null)
+              {
+                poa = POAHelper.narrow(orb.resolve_initial_references("RootPOA"));
+                // Activate if not active.
+                if (poa.the_POAManager().get_state().value() == State._HOLDING)
+                  poa.the_POAManager().activate();
+              }
+            poa.servant_to_reference((Servant) a_target);
+          }
+        catch (Exception ex)
+          {
+            throw new Unexpected(ex);
+          }
+      }
+    else if (a_target instanceof org.omg.CORBA.Object)
+      {
+        // Connect as object.
+        orb.connect((org.omg.CORBA.Object) a_target);
+      }
+    else if (a_target instanceof Tie)
+      {
+        // We avoid calling this because it will aways connect to the root poa.
+        ((Tie) a_target).orb(orb);
+      }
+  }
+
+  /**
+   * Narrow the given object to the instance of the given class. The currently
+   * supported narrowing types are:
+   *
+   * 1. Simple widening conversion.<br>
+   * 2. ObjectImpl -> RMI interface.<br>
+   * 3. ObjectImpl -> ObjectImpl.<br>
+   * 4. Tie -> Remote (implementation)<br>
+   * 5. Remote (implementation) -> Tie.<br>
+   *
+   * The narrowing has sense only for derived classes.
+   */
+  public Object narrow(Object narrowFrom, Class narrowTo)
+    throws ClassCastException
+  {
+    if (narrowTo == null)
+      throw new ClassCastException("Can't narrow to null class");
+    else if (narrowFrom == null)
+      return null;
+    else
+    // Simple narrowing case.
+    if (narrowTo.isAssignableFrom(narrowFrom.getClass()))
+      return narrowFrom;
+    else if (narrowTo.isInterface() || narrowFrom instanceof ObjectImpl)
+      {
+        // Narrow CORBA object to passed interface.
+
+        String interf = narrowTo.getName();
+        String stubClassName;
+
+        stubClassName = getStubClassName(interf);
+
+        try
+          {
+            // Replace the interface class by the stub class.
+            narrowTo = Util.loadClass(stubClassName, null,
+              narrowTo.getClassLoader());
+          }
+        catch (ClassNotFoundException e)
+          {
+            ClassCastException cex = new ClassCastException("Class not found: "
+              + stubClassName);
+            cex.initCause(e);
+            throw cex;
+          }
+      }
+    else if (narrowFrom instanceof Tie)
+      {
+        // Try to substitute the return tie target as a return value.
+        Remote target = ((Tie) narrowFrom).getTarget();
+        if (target != null && narrowTo.isAssignableFrom(target.getClass()))
+          return target;
+      }
+
+    Object narrowed;
+    try
+      {
+        narrowed = narrowTo.newInstance();
+      }
+    catch (Exception e)
+      {
+        ClassCastException cex = new ClassCastException("Cannot instantiate "
+          + narrowTo.getName());
+        cex.initCause(e);
+        throw cex;
+      }
+
+    if (narrowed instanceof ObjectImpl)
+      {
+        // This also works for the instances of the Stub.
+        ObjectImpl target = (ObjectImpl) narrowed;
+        // Set the delegate, as is done in *Helper.narrow(..).
+        target._set_delegate(((ObjectImpl) narrowFrom)._get_delegate());
+      }
+    else if (narrowed instanceof Tie && narrowFrom instanceof Remote)
+      {
+        // Try to set the narrowing object as a target for the Tie.
+        ((Tie) narrowed).setTarget((Remote) narrowFrom);
+      }
+    else
+      throw new ClassCastException("Narrowing of " + narrowFrom.getClass()
+        + " to " + narrowTo + " is either not possible or not implemented.");
+
+    return narrowed;
+  }
+
+  /**
+   * Get the Stub class name for the name, representing the given interface.
+   */
+  static String getStubClassName(String interf)
+  {
+    String stubClassName;
+    int p = interf.lastIndexOf('.');
+
+    if (p < 0)
+      // The interface is defined in the default package.
+      stubClassName = "_" + interf + "_Stub";
+    else
+      stubClassName = interf.substring(0, p + 1) + "_"
+        + interf.substring(p + 1) + "_Stub";
+    return stubClassName;
+  }
+
+  /**
+   * Get stub for the given implementation, searching by class name pattern. The
+   * found stub must implement Remote for this method to succeed.
+   */
+  public Remote toStub(Remote ObjImpl)
+    throws NoSuchObjectException
+  {
+    String icn = ObjImpl.getClass().getName();
+    if (!icn.endsWith("Impl"))
+      throw new BAD_PARAM("Invalid class name '" + icn
+        + "', must end with 'Impl'");
+
+    String sn = "_" + icn.substring(0, icn.length() - "Impl".length())
+      + "_Stub";
+
+    Class stubClass;
+    Object o_stub;
+
+    try
+      {
+        stubClass = RMIClassLoader.loadClass(sn);
+        o_stub = stubClass.newInstance();
+      }
+    catch (Exception e)
+      {
+        NoSuchObjectException n = new NoSuchObjectException(sn);
+        n.initCause(e);
+        throw n;
+      }
+
+    if (!Remote.class.isAssignableFrom(stubClass))
+      throw new ClassCastException(stubClass.getName()
+        + " exists but cannot be returned as it does not inherit from "
+        + Remote.class.getName());
+
+    return (Remote) o_stub;
+  }
+
+  /**
+   * If the object tie is no longer in use, disconnet it from the orb.
+   */
+  public void unexportObject(Remote obj)
+    throws NoSuchObjectException
+  {
+    Util.unexportObject(obj);
+  }
+
+  /**
+   * Find or create a tie for this target and mark it as being used by the given
+   * object.
+   */
+  public void exportObject(Remote obj)
+    throws RemoteException
+  {
+    if (obj instanceof Stub)
+      Util.registerTarget(StubDelegateImpl.getTieFromStub((Stub) obj), obj);
+    else if (obj instanceof Tie)
+      {
+        Tie t = (Tie) obj;
+        Util.registerTarget(t, null);
+      }
+  }
+
+}