initial check-in

1 files changed, 231 insertions, 0 deletions

diff --git a/java/demo/Ice/value/Client.java b/java/demo/Ice/value/Client.java
new file mode 100644
index 00000000000..f672025d4eb
--- /dev/null
+++ b/java/demo/Ice/value/Client.java
@@ -0,0 +1,231 @@
+// **********************************************************************
+//
+// Copyright (c) 2001
+// MutableRealms, Inc.
+// Huntsville, AL, USA
+//
+// All Rights Reserved
+//
+// **********************************************************************
+
+public class Client
+{
+    private static void
+    readline(java.io.BufferedReader in)
+    {
+        try
+        {
+            in.readLine();
+        }
+        catch (java.io.IOException ex)
+        {
+            ex.printStackTrace();
+        }
+    }
+
+    private static int
+    run(String[] args, Ice.Communicator communicator)
+    {
+        Ice.Properties properties = communicator.getProperties();
+        final String refProperty = "Value.Initial";
+        String ref = properties.getProperty(refProperty);
+        if (ref == null)
+        {
+            System.err.println("property `" + refProperty + "' not set");
+            return 1;
+        }
+
+        Ice.ObjectPrx base = communicator.stringToProxy(ref);
+        InitialPrx initial = InitialPrxHelper.checkedCast(base);
+        if (initial == null)
+        {
+            System.err.println("invalid object reference");
+            return 1;
+        }
+
+        java.io.BufferedReader in = new java.io.BufferedReader(
+            new java.io.InputStreamReader(System.in));
+
+        System.out.println();
+        System.out.println("Let's first transfer a simple object, for a " +
+                           "class without");
+        System.out.println("operations, and print its contents. No factory " +
+                           "is required");
+        System.out.println("for this.");
+        System.out.println("[press enter]");
+        readline(in);
+
+        Simple simple = initial.simple();
+        System.out.println("==> " + simple._message);
+
+        System.out.println();
+        System.out.println("Ok, this worked. Now let's try to transfer an " +
+                           "object for a class");
+        System.out.println("with operations, without installing a factory " +
+                           "first. This should");
+        System.out.println("give us a `no factory' exception.");
+        System.out.println("[press enter]");
+        readline(in);
+
+        PrinterHolder printer = new PrinterHolder();
+        PrinterPrxHolder printerProxy = new PrinterPrxHolder();
+        try
+        {
+            initial.printer(printer, printerProxy);
+        }
+        catch (Ice.NoObjectFactoryException ex)
+        {
+            System.out.println("==> " + ex);
+        }
+
+        System.out.println();
+        System.out.println("Yep, that's what we expected. Now let's try " +
+                           "again, but with");
+        System.out.println("installing an appropriate factory first. If " +
+                           "successful, we print");
+        System.out.println("the object's content.");
+        System.out.println("[press enter]");
+        readline(in);
+
+        Ice.ObjectFactory factory = new ObjectFactory();
+        communicator.addObjectFactory(factory, "::Printer");
+
+        initial.printer(printer, printerProxy);
+        System.out.println("==> " + printer.value._message);
+
+        System.out.println();
+        System.out.println("Cool, it worked! Let's try calling the " +
+                           "printBackwards() method");
+        System.out.println("on the object we just received locally.");
+        System.out.println("[press enter]");
+        readline(in);
+
+        System.out.print("==> ");
+        printer.value.printBackwards(null);
+
+        System.out.println();
+        System.out.println("Now we call the same method, but on the remote " +
+                           "object. Watch the");
+        System.out.println("server's output.");
+        System.out.println("[press enter]");
+        readline(in);
+
+        printerProxy.value.printBackwards();
+
+        System.out.println();
+        System.out.println("Next, we transfer a derived object from the " +
+                           "server as base");
+        System.out.println("object. Since we didn't install a factory for " +
+                           "the derived");
+        System.out.println("class yet, we will get another `no factory' " +
+                           "exception.");
+        System.out.println("[press enter]");
+        readline(in);
+
+        Printer derivedAsBase;
+        try
+        {
+            derivedAsBase = initial.derivedPrinter();
+            assert(false);
+        }
+        catch (Ice.NoObjectFactoryException ex)
+        {
+            System.out.println("==> " + ex);
+        }
+
+        System.out.println();
+        System.out.println("Now we install a factory for the derived class, " +
+                           "and try again.");
+        System.out.println("We won't get a `no factory' exception anymore, " +
+                           "but since we");
+        System.out.println("receive the derived object as base object, we " +
+                           "need to do a");
+        System.out.println("dynamic_cast<> to get from the base to the " +
+                           "derived object.");
+        System.out.println("[press enter]");
+        readline(in);
+
+        communicator.addObjectFactory(factory, "::DerivedPrinter");
+
+        derivedAsBase = initial.derivedPrinter();
+        DerivedPrinter derived = (DerivedPrinter)derivedAsBase;
+
+        System.out.println("==> dynamic_cast<> to derived object succeded");
+
+        System.out.println();
+        System.out.println("Let's print the message contained in the " +
+                           "derived object, and");
+        System.out.println("call the operation printUppercase() on the " +
+                           "derived object");
+        System.out.println("locally.");
+        System.out.println("[press enter]");
+        readline(in);
+
+        System.out.println("==> " + derived._derivedMessage);
+        System.out.print("==> ");
+        derived.printUppercase(null);
+
+        System.out.println();
+        System.out.println("Finally, we try the same again, but instead of " +
+                           "returning the");
+        System.out.println("derived object, we throw an exception " +
+                           "containing the derived");
+        System.out.println("object.");
+        System.out.println("[press enter]");
+        readline(in);
+
+        try
+        {
+            initial.throwDerivedPrinter();
+        }
+        catch (DerivedPrinterException ex)
+        {
+            derived = ex.derived;
+            assert(derived != null);
+        }
+
+        System.out.println("==> " + derived._derivedMessage);
+        System.out.print("==> ");
+        derived.printUppercase(null);
+
+        System.out.println();
+        System.out.println("That's it for this demo. Have fun with Ice!");
+
+        return 0;
+    }
+
+    public static void
+    main(String[] args)
+    {
+        int status = 0;
+        Ice.Communicator communicator = null;
+
+        try
+        {
+            Ice.Properties properties =
+                Ice.Util.createPropertiesFromFile(args, "config");
+            communicator = Ice.Util.initializeWithProperties(properties);
+            status = run(args, communicator);
+        }
+        catch (Ice.LocalException ex)
+        {
+            ex.printStackTrace();
+            status = 1;
+        }
+
+        if (communicator != null)
+        {
+            try
+            {
+                communicator.destroy();
+            }
+            catch (Ice.LocalException ex)
+            {
+                ex.printStackTrace();
+                status = 1;
+            }
+        }
+
+        System.exit(status);
+    }
+}