| /* _DemoTesterStub.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.classpath.examples.CORBA.SimpleCommunication.communication; |
| |
| import org.omg.CORBA.ByteHolder; |
| import org.omg.CORBA.DoubleHolder; |
| import org.omg.CORBA.MARSHAL; |
| import org.omg.CORBA.ShortHolder; |
| import org.omg.CORBA.StringHolder; |
| import org.omg.CORBA.StringSeqHelper; |
| import org.omg.CORBA.portable.ApplicationException; |
| import org.omg.CORBA.portable.InputStream; |
| import org.omg.CORBA.portable.ObjectImpl; |
| import org.omg.CORBA.portable.OutputStream; |
| import org.omg.CORBA.portable.RemarshalException; |
| |
| /** |
| * The stub (proxy) class, representing the remote object on the client |
| * side. It has all the same methods as the actual implementation |
| * on the server side. These methods contain the code for remote |
| * invocation. |
| * |
| * Following CORBA standards, the name of this class must start from |
| * underscore and end by the "Stub". |
| * |
| * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) |
| */ |
| public class _DemoTesterStub |
| extends ObjectImpl |
| implements DemoTester |
| { |
| /** |
| * A string array of DemoTester repository ids. |
| */ |
| public static String[] _ids = |
| { |
| "IDL:gnu/classpath/examples/CORBA/SimpleCommunication/communication/DemoTester:1.0" |
| }; |
| |
| /** |
| * Return an array of DemoTester repository ids. |
| */ |
| public String[] _ids() |
| { |
| return _ids; |
| } |
| |
| /** |
| * Passes wide (UTF-16) string and narrow (ISO8859_1) string. |
| * @see gnu.CORBA.GIOP.CharSets_OSF for supported and default |
| * encodings. |
| */ |
| public String passCharacters(String wide, String narrow) |
| { |
| InputStream in = null; |
| try |
| { |
| // Get the output stream. |
| OutputStream out = _request("passCharacters", true); |
| |
| // Write the parameters. |
| |
| // The first string is passed as "wide" |
| // (usually 16 bit UTF-16) string. |
| out.write_wstring(wide); |
| |
| // The second string is passed as "narrow" |
| // (usually 8 bit ISO8859_1) string. |
| out.write_string(narrow); |
| |
| // Do the invocation. |
| in = _invoke(out); |
| |
| // Read the method return value. |
| String result = in.read_wstring(); |
| return result; |
| } |
| catch (ApplicationException ex) |
| { |
| // The exception has been throws on remote side, but we |
| // do not expect any. Throw the MARSHAL exception. |
| in = ex.getInputStream(); |
| throw new MARSHAL(ex.getId()); |
| } |
| catch (RemarshalException _rm) |
| { |
| // This exception means that the parameters must be re-written. |
| return passCharacters(wide, narrow); |
| } |
| finally |
| { |
| // Release the resources, associated with the reply stream. |
| _releaseReply(in); |
| } |
| } |
| |
| /** |
| * Passes various parameters in both directions. The parameters that |
| * shoud also return the values are wrapped into holders. |
| */ |
| public int passSimple(ByteHolder an_octet, int a_long, ShortHolder a_short, |
| StringHolder a_string, DoubleHolder a_double |
| ) |
| { |
| InputStream in = null; |
| try |
| { |
| // Get the stream where the parameters must be written: |
| OutputStream out = _request("passSimple", true); |
| |
| // Write the parameters. |
| out.write_octet(an_octet.value); |
| out.write_long(a_long); |
| out.write_short(a_short.value); |
| out.write_string(a_string.value); |
| |
| // Invoke the method. |
| in = _invoke(out); |
| |
| // Read the returned values. |
| int result = in.read_long(); |
| |
| // Read the inout and out parameters. |
| an_octet.value = in.read_octet(); |
| a_short.value = in.read_short(); |
| a_string.value = in.read_string(); |
| a_double.value = in.read_double(); |
| return result; |
| } |
| catch (ApplicationException ex) |
| { |
| // Handle excepion on remote side. |
| in = ex.getInputStream(); |
| throw new MARSHAL(ex.getId()); |
| } |
| catch (RemarshalException _rm) |
| { |
| // Handle instruction to resend the parameters. |
| return passSimple(an_octet, a_long, a_short, a_string, a_double); |
| } |
| finally |
| { |
| _releaseReply(in); |
| } |
| } |
| |
| /** |
| Passes and returns the string sequence. |
| */ |
| public String[] passStrings(String[] arg) |
| { |
| InputStream in = null; |
| try |
| { |
| // Get the stream where the parameters must be written: |
| OutputStream out = _request("passStrings", true); |
| |
| // Wrap the string array using the string sequence helper. |
| StringSeqHelper.write(out, arg); |
| |
| // Invoke the method. |
| in = _invoke(out); |
| |
| // Read the returned result using the string sequence helper. |
| String[] result = StringSeqHelper.read(in); |
| return result; |
| } |
| catch (ApplicationException ex) |
| { |
| // Handle the exception, thrown on remote side. |
| in = ex.getInputStream(); |
| throw new MARSHAL(ex.getId()); |
| } |
| catch (RemarshalException _rm) |
| { |
| return passStrings(arg); |
| } |
| finally |
| { |
| _releaseReply(in); |
| } |
| } |
| |
| /** |
| Passes and returns the structures. |
| */ |
| public StructureToReturn passStructure(StructureToPass in_structure) |
| { |
| InputStream in = null; |
| try |
| { |
| // Get the stream where the parameters must be written. |
| OutputStream out = _request("passStructure", true); |
| |
| // Write the structure, using its helper. |
| StructureToPassHelper.write(out, in_structure); |
| |
| // Invoke the method. |
| in = _invoke(out); |
| |
| // Read the returned structer, using another helper. |
| StructureToReturn result = StructureToReturnHelper.read(in); |
| return result; |
| } |
| catch (ApplicationException ex) |
| { |
| in = ex.getInputStream(); |
| throw new MARSHAL(ex.getId()); |
| } |
| catch (RemarshalException _rm) |
| { |
| return passStructure(in_structure); |
| } |
| finally |
| { |
| _releaseReply(in); |
| } |
| } |
| |
| /** |
| * Pass and return the tree structure |
| */ |
| public void passTree(TreeNodeHolder tree) |
| { |
| InputStream in = null; |
| try |
| { |
| // Get the stream where the parameters must be written. |
| OutputStream out = _request("passTree", true); |
| |
| // Write the tree (TreeNode with its chilred, grandchildren and so on), |
| // using the appropriate helper. |
| TreeNodeHelper.write(out, tree.value); |
| |
| // Call the method. |
| in = _invoke(out); |
| |
| // Read the returned tree. |
| tree.value = TreeNodeHelper.read(in); |
| } |
| catch (ApplicationException ex) |
| { |
| // Handle eception on remote side. |
| in = ex.getInputStream(); |
| throw new MARSHAL(ex.getId()); |
| } |
| catch (RemarshalException _rm) |
| { |
| passTree(tree); |
| } |
| finally |
| { |
| _releaseReply(in); |
| } |
| } |
| |
| /** |
| * One way call of the remote method. |
| */ |
| public void sayHello() |
| { |
| InputStream in = null; |
| try |
| { |
| // As we do not expect any response, the second |
| // parameter is 'false'. |
| OutputStream out = _request("sayHello", false); |
| in = _invoke(out); |
| } |
| catch (ApplicationException ex) |
| { |
| in = ex.getInputStream(); |
| throw new MARSHAL(ex.getId()); |
| } |
| catch (RemarshalException _rm) |
| { |
| sayHello(); |
| } |
| finally |
| { |
| _releaseReply(in); |
| } |
| } |
| |
| /** |
| * Get the field value. |
| */ |
| public int theField() |
| { |
| InputStream in = null; |
| try |
| { |
| // The special name of operation instructs just to get |
| // the field value rather than calling the method. |
| OutputStream out = _request("_get_theField", true); |
| in = _invoke(out); |
| |
| int result = in.read_long(); |
| return result; |
| } |
| catch (ApplicationException ex) |
| { |
| in = ex.getInputStream(); |
| throw new MARSHAL(ex.getId()); |
| } |
| catch (RemarshalException _rm) |
| { |
| return theField(); |
| } |
| finally |
| { |
| _releaseReply(in); |
| } |
| } |
| |
| /** |
| * Set the field value. |
| */ |
| public void theField(int newTheField) |
| { |
| InputStream in = null; |
| try |
| { |
| // The special name of operation instructs just to set |
| // the field value rather than calling the method. |
| OutputStream out = _request("_set_theField", true); |
| out.write_long(newTheField); |
| in = _invoke(out); |
| } |
| catch (ApplicationException ex) |
| { |
| in = ex.getInputStream(); |
| throw new MARSHAL(ex.getId()); |
| } |
| catch (RemarshalException _rm) |
| { |
| theField(newTheField); |
| } |
| finally |
| { |
| _releaseReply(in); |
| } |
| } |
| |
| /** |
| * The server side exception tests. |
| * |
| * @param parameter the server throws the user exception in the case |
| * of the positive value of this argument, and system |
| * exception otherwise. |
| * |
| * @throws WeThrowThisException |
| */ |
| public void throwException(int parameter) |
| throws WeThrowThisException |
| { |
| InputStream in = null; |
| try |
| { |
| // Get stream. |
| OutputStream out = _request("throwException", true); |
| |
| // Write parameter. |
| out.write_long(parameter); |
| |
| // Call method. |
| in = _invoke(out); |
| } |
| catch (ApplicationException ex) |
| { |
| in = ex.getInputStream(); |
| |
| // Get the exception id. |
| String id = ex.getId(); |
| |
| // If this is the user exception we expect to catch, read and throw |
| // it here. The system exception, if thrown, is handled by _invoke. |
| if (id.equals("IDL:gnu/classpath/examples/CORBA/SimpleCommunication/communication/WeThrowThisException:1.0") |
| ) |
| throw WeThrowThisExceptionHelper.read(in); |
| else |
| throw new MARSHAL(id); |
| } |
| catch (RemarshalException _rm) |
| { |
| throwException(parameter); |
| } |
| finally |
| { |
| _releaseReply(in); |
| } |
| } |
| } |