excercise 2 done

week1_TinsaeGhilay/Task1/HelloApp/Hello.java

@@ -0,0 +1,13 @@
+package HelloApp;
+
+
+/**
+* HelloApp/Hello.java .
+* Generated by the IDL-to-Java compiler (portable), version "3.2"
+* from Hello.idl
+* Sunday, November 9, 2025 2:43:24 PM CET
+*/
+
+public interface Hello extends HelloOperations, org.omg.CORBA.Object, org.omg.CORBA.portable.IDLEntity 
+{
+} // interface Hello

week1_TinsaeGhilay/Task1/HelloApp/HelloHelper.java

@@ -0,0 +1,85 @@
+package HelloApp;
+
+
+/**
+* HelloApp/HelloHelper.java .
+* Generated by the IDL-to-Java compiler (portable), version "3.2"
+* from Hello.idl
+* Sunday, November 9, 2025 2:43:24 PM CET
+*/
+
+abstract public class HelloHelper
+{
+  private static String  _id = "IDL:HelloApp/Hello:1.0";
+
+  public static void insert (org.omg.CORBA.Any a, HelloApp.Hello that)
+  {
+    org.omg.CORBA.portable.OutputStream out = a.create_output_stream ();
+    a.type (type ());
+    write (out, that);
+    a.read_value (out.create_input_stream (), type ());
+  }
+
+  public static HelloApp.Hello extract (org.omg.CORBA.Any a)
+  {
+    return read (a.create_input_stream ());
+  }
+
+  private static org.omg.CORBA.TypeCode __typeCode = null;
+  synchronized public static org.omg.CORBA.TypeCode type ()
+  {
+    if (__typeCode == null)
+    {
+      __typeCode = org.omg.CORBA.ORB.init ().create_interface_tc (HelloApp.HelloHelper.id (), "Hello");
+    }
+    return __typeCode;
+  }
+
+  public static String id ()
+  {
+    return _id;
+  }
+
+  public static HelloApp.Hello read (org.omg.CORBA.portable.InputStream istream)
+  {
+    return narrow (istream.read_Object (_HelloStub.class));
+  }
+
+  public static void write (org.omg.CORBA.portable.OutputStream ostream, HelloApp.Hello value)
+  {
+    ostream.write_Object ((org.omg.CORBA.Object) value);
+  }
+
+  public static HelloApp.Hello narrow (org.omg.CORBA.Object obj)
+  {
+    if (obj == null)
+      return null;
+    else if (obj instanceof HelloApp.Hello)
+      return (HelloApp.Hello)obj;
+    else if (!obj._is_a (id ()))
+      throw new org.omg.CORBA.BAD_PARAM ();
+    else
+    {
+      org.omg.CORBA.portable.Delegate delegate = ((org.omg.CORBA.portable.ObjectImpl)obj)._get_delegate ();
+      HelloApp._HelloStub stub = new HelloApp._HelloStub ();
+      stub._set_delegate(delegate);
+      return stub;
+    }
+  }
+
+  public static HelloApp.Hello unchecked_narrow (org.omg.CORBA.Object obj)
+  {
+    if (obj == null)
+      return null;
+    else if (obj instanceof HelloApp.Hello)
+      return (HelloApp.Hello)obj;
+    else
+    {
+      org.omg.CORBA.portable.Delegate delegate = ((org.omg.CORBA.portable.ObjectImpl)obj)._get_delegate ();
+      HelloApp._HelloStub stub = new HelloApp._HelloStub ();
+      stub._set_delegate(delegate);
+      return stub;
+    }
+  }
+
+}

week1_TinsaeGhilay/Task1/HelloApp/HelloHolder.java

@@ -0,0 +1,38 @@
+package HelloApp;
+
+/**
+* HelloApp/HelloHolder.java .
+* Generated by the IDL-to-Java compiler (portable), version "3.2"
+* from Hello.idl
+* Sunday, November 9, 2025 2:43:24 PM CET
+*/
+
+public final class HelloHolder implements org.omg.CORBA.portable.Streamable
+{
+  public HelloApp.Hello value = null;
+
+  public HelloHolder ()
+  {
+  }
+
+  public HelloHolder (HelloApp.Hello initialValue)
+  {
+    value = initialValue;
+  }
+
+  public void _read (org.omg.CORBA.portable.InputStream i)
+  {
+    value = HelloApp.HelloHelper.read (i);
+  }
+
+  public void _write (org.omg.CORBA.portable.OutputStream o)
+  {
+    HelloApp.HelloHelper.write (o, value);
+  }
+
+  public org.omg.CORBA.TypeCode _type ()
+  {
+    return HelloApp.HelloHelper.type ();
+  }
+
+}

week1_TinsaeGhilay/Task1/HelloApp/HelloOperations.java

@@ -0,0 +1,15 @@
+package HelloApp;
+
+
+/**
+* HelloApp/HelloOperations.java .
+* Generated by the IDL-to-Java compiler (portable), version "3.2"
+* from Hello.idl
+* Sunday, November 9, 2025 2:43:24 PM CET
+*/
+
+public interface HelloOperations 
+{
+  String sayHello ();
+  void shutdown ();
+} // interface HelloOperations

week1_TinsaeGhilay/Task1/HelloApp/HelloPOA.java

@@ -0,0 +1,80 @@
+package HelloApp;
+
+
+/**
+* HelloApp/HelloPOA.java .
+* Generated by the IDL-to-Java compiler (portable), version "3.2"
+* from Hello.idl
+* Sunday, November 9, 2025 2:43:24 PM CET
+*/
+
+public abstract class HelloPOA extends org.omg.PortableServer.Servant
+ implements HelloApp.HelloOperations, org.omg.CORBA.portable.InvokeHandler
+{
+
+  // Constructors
+
+  private static java.util.Hashtable _methods = new java.util.Hashtable ();
+  static
+  {
+    _methods.put ("sayHello", new java.lang.Integer (0));
+    _methods.put ("shutdown", new java.lang.Integer (1));
+  }
+
+  public org.omg.CORBA.portable.OutputStream _invoke (String $method,
+                                org.omg.CORBA.portable.InputStream in,
+                                org.omg.CORBA.portable.ResponseHandler $rh)
+  {
+    org.omg.CORBA.portable.OutputStream out = null;
+    java.lang.Integer __method = (java.lang.Integer)_methods.get ($method);
+    if (__method == null)
+      throw new org.omg.CORBA.BAD_OPERATION (0, org.omg.CORBA.CompletionStatus.COMPLETED_MAYBE);
+
+    switch (__method.intValue ())
+    {
+       case 0:  // HelloApp/Hello/sayHello
+       {
+         String $result = null;
+         $result = this.sayHello ();
+         out = $rh.createReply();
+         out.write_string ($result);
+         break;
+       }
+
+       case 1:  // HelloApp/Hello/shutdown
+       {
+         this.shutdown ();
+         out = $rh.createReply();
+         break;
+       }
+
+       default:
+         throw new org.omg.CORBA.BAD_OPERATION (0, org.omg.CORBA.CompletionStatus.COMPLETED_MAYBE);
+    }
+
+    return out;
+  } // _invoke
+
+  // Type-specific CORBA::Object operations
+  private static String[] __ids = {
+    "IDL:HelloApp/Hello:1.0"};
+
+  public String[] _all_interfaces (org.omg.PortableServer.POA poa, byte[] objectId)
+  {
+    return (String[])__ids.clone ();
+  }
+
+  public Hello _this() 
+  {
+    return HelloHelper.narrow(
+    super._this_object());
+  }
+
+  public Hello _this(org.omg.CORBA.ORB orb) 
+  {
+    return HelloHelper.narrow(
+    super._this_object(orb));
+  }
+
+
+} // class HelloPOA

week1_TinsaeGhilay/Task1/HelloApp/_HelloStub.java

@@ -0,0 +1,88 @@
+package HelloApp;
+
+
+/**
+* HelloApp/_HelloStub.java .
+* Generated by the IDL-to-Java compiler (portable), version "3.2"
+* from Hello.idl
+* Sunday, November 9, 2025 2:43:24 PM CET
+*/
+
+public class _HelloStub extends org.omg.CORBA.portable.ObjectImpl implements HelloApp.Hello
+{
+
+  public String sayHello ()
+  {
+            org.omg.CORBA.portable.InputStream $in = null;
+            try {
+                org.omg.CORBA.portable.OutputStream $out = _request ("sayHello", true);
+                $in = _invoke ($out);
+                String $result = $in.read_string ();
+                return $result;
+            } catch (org.omg.CORBA.portable.ApplicationException $ex) {
+                $in = $ex.getInputStream ();
+                String _id = $ex.getId ();
+                throw new org.omg.CORBA.MARSHAL (_id);
+            } catch (org.omg.CORBA.portable.RemarshalException $rm) {
+                return sayHello (        );
+            } finally {
+                _releaseReply ($in);
+            }
+  } // sayHello
+
+  public void shutdown ()
+  {
+            org.omg.CORBA.portable.InputStream $in = null;
+            try {
+                org.omg.CORBA.portable.OutputStream $out = _request ("shutdown", false);
+                $in = _invoke ($out);
+                return;
+            } catch (org.omg.CORBA.portable.ApplicationException $ex) {
+                $in = $ex.getInputStream ();
+                String _id = $ex.getId ();
+                throw new org.omg.CORBA.MARSHAL (_id);
+            } catch (org.omg.CORBA.portable.RemarshalException $rm) {
+                shutdown (        );
+            } finally {
+                _releaseReply ($in);
+            }
+  } // shutdown
+
+  // Type-specific CORBA::Object operations
+  private static String[] __ids = {
+    "IDL:HelloApp/Hello:1.0"};
+
+  public String[] _ids ()
+  {
+    return (String[])__ids.clone ();
+  }
+
+  private void readObject (java.io.ObjectInputStream s) throws java.io.IOException
+  {
+     String str = s.readUTF ();
+     com.sun.corba.se.impl.orbutil.IORCheckImpl.check(str, "HelloApp._HelloStub");
+     String[] args = null;
+     java.util.Properties props = null;
+     org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init (args, props);
+   try {
+     org.omg.CORBA.Object obj = orb.string_to_object (str);
+     org.omg.CORBA.portable.Delegate delegate = ((org.omg.CORBA.portable.ObjectImpl) obj)._get_delegate ();
+     _set_delegate (delegate);
+   } finally {
+     orb.destroy() ;
+   }
+  }
+
+  private void writeObject (java.io.ObjectOutputStream s) throws java.io.IOException
+  {
+     String[] args = null;
+     java.util.Properties props = null;
+     org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init (args, props);
+   try {
+     String str = orb.object_to_string (this);
+     s.writeUTF (str);
+   } finally {
+     orb.destroy() ;
+   }
+  }
+} // class _HelloStub