1 files changed, 185 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/host-corba-jse/src/main/java/org/apache/tuscany/sca/host/corba/jse/DefaultCorbaHost.java b/sca-java-2.x/tags/2.0.1-RC1/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/tags/2.0.1-RC1/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<String, ORB> orbs = new ConcurrentHashMap<String, ORB>();
+
+    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);
+            }
+        }
+    }
+
+}