Package scatours.smsgateway

Source Code of scatours.smsgateway.SMSGatewayCORBAServiceBootstrap

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package scatours.smsgateway;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.omg.CORBA.ORB;
import org.omg.CORBA.Object;
import org.omg.CosNaming.NameComponent;
import org.omg.CosNaming.NamingContextExt;
import org.omg.CosNaming.NamingContextExtHelper;
import org.omg.PortableServer.POA;
import org.omg.PortableServer.POAHelper;

public class SMSGatewayCORBAServiceBootstrap {

    public static void main(String[] args) throws Exception {
        String home = System.getProperty("java.home");
        String[] tnsCommand = {"" + home + "/bin/tnameserv", "-ORBInitialPort", "5080"};
        Process tns = null;

        try {
            System.out.println("Starting transient name server process (port=5080)");

            // Start tnameserv in a separate process
            tns = Runtime.getRuntime().exec(tnsCommand);

            // Wait for the tnameserv process to complete its startup, and
            // display the output from the tnameserv process on the console
            InputStream tnsOut = tns.getInputStream();
            BufferedReader tnsOutReader = new BufferedReader(new InputStreamReader(tnsOut));
            while (true) {
                String line = tnsOutReader.readLine();
                System.out.println("tnameserv: " + line);
                if ("Ready.".equals(line)) {
                    break;
                }
            }

            System.out.println("Publishing SMS Gateway Service as a CORBA service: SMSGatewayCORBAService (port=5080)");

            String[] orbArgs = {"-ORBInitialPort", "5080"};
            ORB orb = ORB.init(orbArgs, null);

            NamingContextExt namingCtx;
            try {
                Object objRef = orb.resolve_initial_references("NameService");
                namingCtx = NamingContextExtHelper.narrow(objRef);
            } catch (Exception ex) {
                System.err.println("ERROR: Failed to resolve Name Service.");
                //System.err.println("Don't forget to run it with:");
                //System.err.println("  tnameserv -ORBInitialPort 5080");
                return;
            }

            Object rootPoaRef = orb.resolve_initial_references("RootPOA");
            POA rootPoa = POAHelper.narrow(rootPoaRef);
            rootPoa.the_POAManager().activate();

            SMSGatewayServant smsGateway = new SMSGatewayServant();
            Object smsGatewayRef = rootPoa.servant_to_reference(smsGateway);

            String corbaServerName = "SMSGatewayCORBAService";
            NameComponent[] name = {new NameComponent(corbaServerName, "")};
            namingCtx.rebind(name, smsGatewayRef);

            System.out.println("CORBA server running - press Enter to shutdown");
            System.in.read();

            orb.shutdown(true);
            orb.destroy();

        } finally {
            // Make sure that the tnameserv process gets destroyed and its
            // listener port is released
            if (tns != null) {
                System.out.println("Destroying transient name server process");
                try {
                    tns.destroy();
                    System.out.println("Transient name server process destroyed");
                } catch (Exception e) {
                    // ignore
                }
            }
        }
    }
}
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