From e5b7380c874745c989d1816b8f552504f038e1bc Mon Sep 17 00:00:00 2001 From: lresende Date: Thu, 26 Sep 2013 20:33:20 +0000 Subject: 2.0 branch for possible maintenance release git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1526672 13f79535-47bb-0310-9956-ffa450edef68 --- .../sca/host/corba/jse/DefaultCorbaHost.java | 185 +++++++++++++++++++++ 1 file changed, 185 insertions(+) create mode 100644 sca-java-2.x/branches/2.0/modules/host-corba-jse/src/main/java/org/apache/tuscany/sca/host/corba/jse/DefaultCorbaHost.java (limited to 'sca-java-2.x/branches/2.0/modules/host-corba-jse/src/main/java/org/apache/tuscany/sca/host/corba/jse/DefaultCorbaHost.java') diff --git a/sca-java-2.x/branches/2.0/modules/host-corba-jse/src/main/java/org/apache/tuscany/sca/host/corba/jse/DefaultCorbaHost.java b/sca-java-2.x/branches/2.0/modules/host-corba-jse/src/main/java/org/apache/tuscany/sca/host/corba/jse/DefaultCorbaHost.java new file mode 100644 index 0000000000..9bdcd12988 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/host-corba-jse/src/main/java/org/apache/tuscany/sca/host/corba/jse/DefaultCorbaHost.java @@ -0,0 +1,185 @@ +/* + * 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 org.apache.tuscany.sca.host.corba.jse; + +import java.util.Map; +import java.util.Properties; +import java.util.concurrent.ConcurrentHashMap; +import java.util.logging.Level; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.core.LifeCycleListener; +import org.apache.tuscany.sca.host.corba.CorbaHost; +import org.apache.tuscany.sca.host.corba.CorbaHostException; +import org.apache.tuscany.sca.host.corba.CorbaHostUtils; +import org.apache.tuscany.sca.host.corba.CorbanameURL; +import org.omg.CORBA.ORB; +import org.omg.CORBA.Object; +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; +import org.omg.CosNaming.NamingContextPackage.InvalidName; +import org.omg.CosNaming.NamingContextPackage.NotFound; + +/** + * @version $Rev$ $Date$ + * Default implementation of JSE CORBA host + */ +public class DefaultCorbaHost implements CorbaHost, LifeCycleListener { + private static final Logger logger = Logger.getLogger(DefaultCorbaHost.class.getName()); + + private Map orbs = new ConcurrentHashMap(); + + private void validatePort(int port) throws IllegalArgumentException { + if (port < 1) { + throw new IllegalArgumentException("Port value should be > 0"); + } + } + + private NamingContextExt getNamingContext(ORB orb, String nameService) throws Exception { + org.omg.CORBA.Object objRef = orb.resolve_initial_references(nameService); + return NamingContextExtHelper.narrow(objRef); + } + + private void handleException(Exception e) throws CorbaHostException { + // The cause of the Exception is JDK specific + if (e instanceof NotFound) { + throw new CorbaHostException(CorbaHostException.NO_SUCH_OBJECT, e); + } else if (e instanceof InvalidName) { + throw new CorbaHostException(e); + } else { + throw new CorbaHostException(e); + } + } + + public void registerServant(String uri, Object servantObject) throws CorbaHostException { + CorbanameURL details = CorbaHostUtils.getServiceDetails(uri); + ORB orb = createORB(details.getHost(), details.getPort(), false); + try { + NamingContext namingCtx = getNamingContext(orb, details.getNameService()); + for (int i = 0; i < details.getNamePath().size() - 1; i++) { + NameComponent nc = new NameComponent(details.getNamePath().get(i), ""); + NameComponent[] path = new NameComponent[] {nc}; + try { + namingCtx = NamingContextHelper.narrow(namingCtx.resolve(path)); + } catch (Exception e) { + namingCtx = namingCtx.bind_new_context(path); + } + } + NameComponent finalName = + new NameComponent(details.getNamePath().get(details.getNamePath().size() - 1), ""); + try { + namingCtx.resolve(new NameComponent[] {finalName}); + // no exception means that some object is already registered + // under this name, we need to crash here + throw new CorbaHostException(CorbaHostException.BINDING_IN_USE); + } catch (NotFound e) { + namingCtx.bind(new NameComponent[] {finalName}, servantObject); + } + } catch (CorbaHostException e) { + throw e; + } catch (Exception e) { + handleException(e); + } + } + + public void unregisterServant(String uri) throws CorbaHostException { + CorbanameURL details = CorbaHostUtils.getServiceDetails(uri); + ORB orb = createORB(details.getHost(), details.getPort(), false); + try { + NamingContextExt namingCtx = getNamingContext(orb, details.getNameService()); + namingCtx.unbind(namingCtx.to_name(details.getName())); + } catch (Exception e) { + handleException(e); + } + } + + public Object lookup(String uri) throws CorbaHostException { + Object result = null; + try { + CorbanameURL url = new CorbanameURL(uri); + ORB orb = createORB(url.getHost(), url.getPort(), false); + NamingContextExt context = getNamingContext(orb, url.getNameService()); + result = context.resolve_str(url.getName()); + } catch (Exception e) { + handleException(e); + } + if (result == null) { + throw new CorbaHostException(CorbaHostException.NO_SUCH_OBJECT); + } + return result; + } + + public ORB createORB(String host, int port, boolean server) throws CorbaHostException { + validatePort(port); + + String key = host + ":" + port; + ORB orb = orbs.get(key); + if (orb != null) { + return orb; + } + // Create an ORB object + Properties props = new Properties(); + props.putAll(System.getProperties()); + + String portStr = String.valueOf(port); + props.put("org.omg.CORBA.ORBServerId", "1000000"); + props.put("org.omg.CORBA.ORBInitialHost", host); + props.put("org.omg.CORBA.ORBInitialPort", portStr); + + // STEP 1: Set ORBPeristentServerPort property + // Set the proprietary property to open up a port to listen to + // INS requests. + + if (server) { + props.put("com.sun.CORBA.POA.ORBPersistentServerPort", portStr); + props.put("com.ibm.CORBA.ListenerPort", portStr); + props.put("gnu.CORBA.ListenerPort", portStr); + // props.put("org.omg.CORBA.ORBClass", + // "org.apache.yoko.orb.CORBA.ORB"); + // props.put("org.omg.CORBA.ORBSingletonClass", + // "org.apache.yoko.orb.CORBA.ORBSingleton"); + props.put("yoko.orb.oa.endpoint", "iiop --host " + host + " --port " + port); + props.put("yoko.orb.poamanager.TNameService.endpoint", "iiop --host " + host); + } + + String[] args = {"-ORBInitialHost", host, "-ORBInitialPort", "" + port}; + orb = ORB.init(args, props); + orbs.put(key, orb); + return orb; + } + + public void start() { + + } + public void stop() { + for (ORB orb : orbs.values()) { + try { + orb.shutdown(true); + orb.destroy(); + } catch (Throwable e) { + logger.log(Level.SEVERE, e.getMessage(), e); + } + } + } + +} -- cgit v1.2.3