99 lines
2.6 KiB
Java
99 lines
2.6 KiB
Java
// Copyright and License
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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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// because we need GraphicalObject we have to do an implementation of it here.
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// reversing the HelloServer.java here
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class Graph extends GraphicalObjectPOA {
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private boolean filled;
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private String name;
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private ORB orb;
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public Graph(String name, boolean filled) {
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this.name = name;
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this.filled = filled;
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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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// draw
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public void draw() {
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System.out.println("Drawing graph: " + name);
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}
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// show info
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public void showInfo() {
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System.out.println("Graph Info -> Name: " + name + ", Filled: " + filled);
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}
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// getter for is filled
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public boolean is_filled() {
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return filled;
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}
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// setter for is filled
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public void is_filled(boolean value) {
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this.filled = value;
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}
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// name getter, not setting it.
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public String name() {
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return name;
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}
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}
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public class GraphicsClient
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{
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static Rectangle rect;
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public static void main(String args[])
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{
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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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// reversing steps from HelloServer here as well.
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// create servant and register it with the ORB
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Graph graph = new Graph("Circle", true);
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graph.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(graph);
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GraphicalObject object = GraphicalObjectHelper.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 instead of NamingContext. This is
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// part of the Interoperable naming Service.
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NamingContextExt ncRef = NamingContextExtHelper.narrow(objRef);
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// resolve the Object Reference in Naming
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String name = "Graphics";
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rect = RectangleHelper.narrow(ncRef.resolve_str(name));
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System.out.println("Obtained a handle on server object: " + rect);
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rect.addObject(object);
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rect.removeObjectAtPosition(0);
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} catch (Exception e) {
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System.out.println("ERROR : " + e) ;
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e.printStackTrace(System.out);
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}
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}
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}
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