106 lines
3.0 KiB
Java
106 lines
3.0 KiB
Java
// GraphicsServer.java
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// I am not testing this server for fear of errors
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// because if there are errors, I wont stop trying to debugg it untill tomorrow.
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import GraphicsApp.*;
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import org.omg.CosNaming.*;
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import org.omg.CORBA.*;
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import org.omg.PortableServer.*;
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import org.omg.PortableServer.POA;
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import java.util.*;
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// overriding the rectangle Class.
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// copying from the Hello Project, I believe we extend the RectanglePOA class
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class Rect extends RectanglePOA {
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private ORB orb;
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private GraphicalObject[] objects;
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public Rect() {
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this.objects = new GraphicalObject[0];
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}
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public void setORB(ORB orb_val) {
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this.orb = orb_val;
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}
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// getter
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public GraphicalObject[] objects() {
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return this.objects;
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}
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// setter
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public void objects(GraphicalObject[] newObject) {
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this.objects = newObject;
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}
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// add objects
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public void addObject(GraphicalObject newObject) {
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List<GraphicalObject> temp = new ArrayList<>(Arrays.asList(this.objects));
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temp.add(newObject);
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this.objects = temp.toArray(new GraphicalObject[0]);
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}
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// remove an object
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public void removeObjectAtPosition(int index)
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throws GraphicsApp.RectanglePackage.IndexOutOfBounds {
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if (index < 0 || index >= this.objects.length) {
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throw new GraphicsApp.RectanglePackage.IndexOutOfBounds();
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}
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List<GraphicalObject> temp = new ArrayList<>(Arrays.asList(this.objects));
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temp.remove(index);
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this.objects = temp.toArray(new GraphicalObject[0]);
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}
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}
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public class GraphicsServer {
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public static void main(String args[]) {
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try{
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// create and initialize the ORB
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ORB orb = ORB.init(args, null);
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// get reference to rootpoa and activate the POAManager
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POA rootpoa = POAHelper.narrow(orb.resolve_initial_references("RootPOA"));
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rootpoa.the_POAManager().activate();
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// create servant and register it with the ORB
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Rect rect = new Rect();
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rect.setORB(orb);
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// get object reference from the servant
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org.omg.CORBA.Object ref = rootpoa.servant_to_reference(rect);
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Rectangle href = RectangleHelper.narrow(ref);
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// get the root naming context
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org.omg.CORBA.Object objRef = orb.resolve_initial_references("NameService");
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// Use NamingContextExt which is part of the Interoperable
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// Naming Service (INS) specification.
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NamingContextExt ncRef = NamingContextExtHelper.narrow(objRef);
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// bind the Object Reference in Naming
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String name = "Graphics";
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NameComponent path[] = ncRef.to_name( name );
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ncRef.rebind(path, href);
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System.out.println("GraphicsServer ready and waiting ...");
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// wait for invocations from clients
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orb.run();
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}
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catch (Exception e) {
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System.err.println("ERROR: " + e);
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e.printStackTrace(System.out);
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}
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System.out.println("GraphicsServer Exiting ...");
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}
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}
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