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Diffstat (limited to 'gcc-4.4.3/libjava/classpath/examples/gnu/classpath/examples/CORBA/NamingService/Demo.java')
| -rw-r--r-- | gcc-4.4.3/libjava/classpath/examples/gnu/classpath/examples/CORBA/NamingService/Demo.java | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/examples/gnu/classpath/examples/CORBA/NamingService/Demo.java b/gcc-4.4.3/libjava/classpath/examples/gnu/classpath/examples/CORBA/NamingService/Demo.java new file mode 100644 index 000000000..38c4ecb98 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/examples/gnu/classpath/examples/CORBA/NamingService/Demo.java @@ -0,0 +1,200 @@ +/* Demo.java -- Shows how to use Classpath transient naming service. + 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.NamingService; + +import gnu.CORBA.IOR; + +import org.omg.CORBA.ORB; +import org.omg.CORBA.Object; +import org.omg.CosNaming.Binding; +import org.omg.CosNaming.BindingHolder; +import org.omg.CosNaming.BindingIterator; +import org.omg.CosNaming.BindingIteratorHolder; +import org.omg.CosNaming.BindingListHolder; +import org.omg.CosNaming.NameComponent; +import org.omg.CosNaming.NamingContext; +import org.omg.CosNaming.NamingContextExt; +import org.omg.CosNaming.NamingContextExtHelper; +import org.omg.CosNaming.NamingContextHelper; + +/** + * A simple test of the naming service. + * + * The main class of the GNU Classpath transient naming service is + * {@link gnu.CORBA.NamingService}. This class must be started + * before starting this example. + * + * This example should interoperate as with GNU Classpath naming + * service, as with Sun Microsystems transient and persistent + * naming services, included in releases 1.3 and 1.4 (tnameserv and + * orbd). To work with this example, the naming service must + * be started on the local host, at the port 900. + * + * The persistent naming service is currently under development. + * + * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) + */ +public class Demo +{ + public static void main(String[] an_args) + { + // We create the following naming graph: + // <ROOT CONTEXT> + // | + // +--- <c.d context> + // | | + // | +--- obj + // | + // +--- xobj + // + // Where both obj and xobj are CORBA objects, representing the + // default naming service. + // + System.out.println("Starting the GNU Classpath " + + "built-in transient naming service" + ); + + final String[] args = an_args; + + new Thread() + { + public void run() + { + gnu.classpath.tools.tnameserv.Main.main(args); + } + }.start(); + + System.out.println("Waiting for three seconds for naming service to start:"); + try + { + Thread.sleep(3000); + } + catch (InterruptedException ex) + { + } + + try + { + ORB orb = ORB.init(args, null); + + Object no = orb.resolve_initial_references("NameService"); + + System.out.println("Naming service IOR:" + orb.object_to_string(no)); + + System.out.println(IOR.parse(orb.object_to_string(no))); + + NamingContextExt namer = NamingContextExtHelper.narrow(no); + + System.out.println("Naming service: " + namer.getClass().getName()); + + NamingContext second = namer.new_context(); + + namer.rebind_context(namer.to_name("c.d"), second); + namer.rebind(namer.to_name("xobj"), no); + + second.rebind(namer.to_name("obj"), no); + + NamingContext nsec = + NamingContextHelper.narrow(namer.resolve_str("c.d")); + + System.out.println(namer.resolve(namer.to_name("c.d/obj"))); + + // In all cases, this must be the same object (the naming + // service itself). + System.out.println(nsec.resolve(new NameComponent[] + { + new NameComponent("obj", "") + } + ) + ); + System.out.println(namer.resolve_str("xobj")); + + // In all cases, this must be the same object (the naming + // service itself). + System.out.println(namer.resolve(new NameComponent[] + { + new NameComponent("c", "d"), + new NameComponent("obj", "") + } + ) + ); + + System.out.println(namer.resolve_str("c.d/obj")); + + System.out.println("Test binding list iterator:"); + + BindingListHolder lh = new BindingListHolder(); + BindingIteratorHolder lih = new BindingIteratorHolder(); + + namer.list(0, lh, lih); + + BindingIterator iter = lih.value; + BindingHolder binding = new BindingHolder(); + + while (iter.next_one(binding)) + { + Binding b = binding.value; + System.out.println("NAME: " + namer.to_string(b.binding_name) + + " TYPE " + b.binding_type.value() + ); + } + + System.out.println("Testing binding list:"); + + iter.destroy(); + + namer.list(Integer.MAX_VALUE, lh, lih); + + for (int i = 0; i < lh.value.length; i++) + { + Binding b = lh.value [ i ]; + System.out.println("NAME: " + namer.to_string(b.binding_name) + + " TYPE " + b.binding_type.value() + ); + } + } + catch (Exception ex) + { + ex.printStackTrace(); + System.exit(1); + } + + System.exit(0); + } +} |