Initial revision

From-SVN: r104578
2005-09-23 19:36:46 +00:00
parent acff2da93c
commit 9b044d1951
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+/* DynAnyFactoryHelper.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 org.omg.DynamicAny;
+
+import org.omg.CORBA.BAD_PARAM;
+import org.omg.CORBA.TypeCode;
+import org.omg.CORBA.ORB;
+import org.omg.CORBA.Any;
+import org.omg.CORBA.portable.InputStream;
+import org.omg.CORBA.MARSHAL;
+import org.omg.CORBA.portable.OutputStream;
+
+/**
+ * The helper operations for {@link DynAnyFactory}. Following the 1.5 JDK
+ * specifications, DynAnyFactory is always a local object, so the two methods of
+ * this helper ({@link #read} and {@link #write} are not in use, always
+ * throwing {@link MARSHAL}.
+ * 
+ * @specnote always throwing MARSHAL in read and write ensures compatibility
+ * with other popular implementations like Sun's.
+ * 
+ * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
+ */
+public abstract class DynAnyFactoryHelper
+{
+  /**
+   * Cast the passed object into the DynAnyFactory. As DynAnyFactory is a local
+   * object, the method just uses java final_type cast.
+   * 
+   * @param obj the object to narrow.
+   * @return narrowed instance.
+   * @throws BAD_PARAM if the passed object is not a DynAnyFactory.
+   */
+  public static DynAnyFactory narrow(org.omg.CORBA.Object obj)
+  {
+    try
+      {
+        return (DynAnyFactory) obj;
+      }
+    catch (ClassCastException cex)
+      {
+        throw new BAD_PARAM(obj.getClass().getName()
+                            + " is not a DynAnyFactory");
+      }
+  }
+
+  /**
+   * Get the final_type code of the {@link DynAnyFactory}.
+   */
+  public static TypeCode type()
+  {
+    return ORB.init().create_interface_tc(id(), "DynAnyFactory");
+  }
+
+  /**
+   * Insert the DynAnyFactory into the given Any.
+   * 
+   * @param any the Any to insert into.
+   * 
+   * @param that the DynAnyFactory to insert.
+   */
+  public static void insert(Any any, DynAnyFactory that)
+  {
+    any.insert_Object(that);
+  }
+
+  /**
+   * Extract the DynAnyFactory from given Any.
+   * 
+   * @throws BAD_OPERATION if the passed Any does not contain DynAnyFactory.
+   */
+  public static DynAnyFactory extract(Any any)
+  {
+    return narrow(any.extract_Object());
+  }
+
+  /**
+   * Get the DynAnyFactory repository id.
+   * 
+   * @return "IDL:omg.org/DynamicAny/DynAnyFactory:1.0", always.
+   */
+  public static String id()
+  {
+    return "IDL:omg.org/DynamicAny/DynAnyFactory:1.0";
+  }
+
+  /**
+   * This should read DynAnyFactory from the CDR input stream, but (following
+   * the JDK 1.5 API) it does not. The factory can only be obtained from the
+   * ORB.
+   * 
+   * @param input a org.omg.CORBA.portable stream to read from.
+   * 
+   * @specenote Sun throws the same exception.
+   * 
+   * @throws MARSHAL always.
+   */
+  public static DynAnyFactory read(InputStream input)
+  {
+    throw new MARSHAL(not_applicable(id()));
+  }
+
+  /**
+   * This should read DynAnyFactory from the CDR input stream, but (following
+   * the JDK 1.5 API) it does not.
+   * 
+   * @param input a org.omg.CORBA.portable stream to read from.
+   * 
+   * @specenote Sun throws the same exception.
+   * 
+   * @throws MARSHAL always.
+   */
+  public static void write(OutputStream output, DynAnyFactory value)
+  {
+    throw new MARSHAL(not_applicable(id()));
+  }
+
+  /**
+   * The package level method for throwing exception, explaining that the
+   * operation is not applicable.
+   * 
+   * @param Id the Id for the typecode for that the operations was attempted to
+   * perform.
+   */
+  static String not_applicable(String Id)
+  {
+    try
+      {
+        throw new MARSHAL("The read/write are not applicable for " + Id);
+      }
+    catch (Exception e)
+      {
+        throw new MARSHAL();
+      }
+  }
+}