7 files changed, 481 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHost.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHost.java
new file mode 100644
index 0000000000..8985c508fc
--- /dev/null
+++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHost.java
@@ -0,0 +1,127 @@
+/*
+ * 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.rmi;
+
+import java.rmi.AlreadyBoundException;
+import java.rmi.NotBoundException;
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+import java.rmi.registry.LocateRegistry;
+import java.rmi.registry.Registry;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * Default implementation of a RMI host.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class DefaultRMIHost implements RMIHost {
+
+    //map of RMI registries started and running
+    private Map<String, Registry> rmiRegistries;
+
+    public DefaultRMIHost() {
+        rmiRegistries = new ConcurrentHashMap<String, Registry>();
+        /*
+         * if (System.getSecurityManager() == null) { System.setSecurityManager(new RMISecurityManager()); }
+         */
+    }
+
+    public void registerService(String serviceName, int port, Remote serviceObject) throws RMIHostException,
+        RMIHostRuntimeException {
+        Registry registry;
+        try {
+            registry = rmiRegistries.get(Integer.toString(port));
+            if (registry == null) {
+                try {
+                    registry = LocateRegistry.getRegistry(port);
+                    registry.list();
+                } catch (RemoteException e) {
+                    registry = LocateRegistry.createRegistry(port);
+                }
+                rmiRegistries.put(Integer.toString(port), registry);
+            }
+            registry.bind(serviceName, serviceObject);
+        } catch (AlreadyBoundException e) {
+            throw new RMIHostException(e);
+        } catch (RemoteException e) {
+            RMIHostRuntimeException rmiExec = new RMIHostRuntimeException(e.getMessage());
+            rmiExec.setStackTrace(e.getStackTrace());
+            throw rmiExec;
+        }
+
+    }
+
+    public void registerService(String serviceName, Remote serviceObject) throws RMIHostException,
+        RMIHostRuntimeException {
+        registerService(serviceName, RMI_DEFAULT_PORT, serviceObject);
+    }
+
+    public void unregisterService(String serviceName, int port) throws RMIHostException, RMIHostRuntimeException {
+        Registry registry;
+
+        try {
+            registry = rmiRegistries.get(Integer.toString(port));
+            if (registry == null) {
+                registry = LocateRegistry.getRegistry(port);
+                rmiRegistries.put(Integer.toString(port), registry);
+            }
+            registry.unbind(serviceName);
+        } catch (RemoteException e) {
+            RMIHostRuntimeException rmiExec = new RMIHostRuntimeException(e.getMessage());
+            rmiExec.setStackTrace(e.getStackTrace());
+            throw rmiExec;
+        } catch (NotBoundException e) {
+            throw new RMIHostException(e.getMessage());
+        }
+    }
+
+    public void unregisterService(String serviceName) throws RMIHostException, RMIHostRuntimeException {
+        unregisterService(serviceName, RMI_DEFAULT_PORT);
+
+    }
+
+    public Remote findService(String host, String port, String svcName) throws RMIHostException,
+        RMIHostRuntimeException {
+        Registry registry;
+        Remote remoteService = null;
+        host = (host == null || host.length() <= 0) ? "localhost" : host;
+        int portNumber = (port == null || port.length() <= 0) ? RMI_DEFAULT_PORT : Integer.decode(port);
+
+        try {
+            // Requires permission java.net.SocketPermission "host:port", "connect,accept,resolve"
+            // in security policy.
+            registry = LocateRegistry.getRegistry(host, portNumber);
+
+            if (registry != null) {
+                remoteService = registry.lookup(svcName);
+            }
+        } catch (RemoteException e) {
+            RMIHostRuntimeException rmiExec = new RMIHostRuntimeException(e.getMessage());
+            rmiExec.setStackTrace(e.getStackTrace());
+            throw rmiExec;
+        } catch (NotBoundException e) {
+            throw new RMIHostException(e.getMessage());
+        }
+        return remoteService;
+    }
+
+}
diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHostExtensionPoint.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHostExtensionPoint.java
new file mode 100644
index 0000000000..3ac086a2ee
--- /dev/null
+++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHostExtensionPoint.java
@@ -0,0 +1,49 @@
+/*
+ * 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.rmi;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Default implementation of an RMI host extension point.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class DefaultRMIHostExtensionPoint implements RMIHostExtensionPoint {
+
+    private List<RMIHost> rmiHosts = new ArrayList<RMIHost>();
+    
+    public DefaultRMIHostExtensionPoint() {
+        addRMIHost(new DefaultRMIHost());
+    }
+
+    public void addRMIHost(RMIHost rmiHost) {
+        rmiHosts.add(rmiHost);
+    }
+
+    public void removeRMIHost(RMIHost rmiHost) {
+        rmiHosts.remove(rmiHost);
+    }
+
+    public List<RMIHost> getRMIHosts() {
+        return rmiHosts;
+    }
+}
diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/ExtensibleRMIHost.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/ExtensibleRMIHost.java
new file mode 100644
index 0000000000..32fe6c2deb
--- /dev/null
+++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/ExtensibleRMIHost.java
@@ -0,0 +1,73 @@
+/*
+ * 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.rmi;
+
+import java.rmi.Remote;
+
+
+/**
+ * Default implementation of an extensible RMI host.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ExtensibleRMIHost implements RMIHost {
+    
+    private RMIHostExtensionPoint rmiHosts;
+    
+    public ExtensibleRMIHost(RMIHostExtensionPoint rmiHosts) {
+        this.rmiHosts = rmiHosts;
+    }
+    
+    public void registerService(String serviceName, int port, Remote serviceObject) throws RMIHostException, RMIHostRuntimeException {
+        if (rmiHosts.getRMIHosts().isEmpty()) {
+            throw new RMIHostException("No RMI host available");
+        }
+        rmiHosts.getRMIHosts().get(0).registerService(serviceName, port, serviceObject);
+    }
+    
+    public Remote findService(String host, String port, String svcName) throws RMIHostException, RMIHostRuntimeException {
+        if (rmiHosts.getRMIHosts().isEmpty()) {
+            throw new RMIHostException("No RMI host available");
+        }
+        return rmiHosts.getRMIHosts().get(0).findService(host, port, svcName);
+    }
+    
+    public void registerService(String serviceName, Remote serviceObject) throws RMIHostException, RMIHostRuntimeException {
+        if (rmiHosts.getRMIHosts().isEmpty()) {
+            throw new RMIHostException("No RMI host available");
+        }
+        rmiHosts.getRMIHosts().get(0).registerService(serviceName, serviceObject);
+    }
+    
+    public void unregisterService(String serviceName) throws RMIHostException, RMIHostRuntimeException {
+        if (rmiHosts.getRMIHosts().isEmpty()) {
+            throw new RMIHostException("No RMI host available");
+        }
+        rmiHosts.getRMIHosts().get(0).unregisterService(serviceName);
+    }
+    
+    public void unregisterService(String serviceName, int port) throws RMIHostException, RMIHostRuntimeException {
+        if (rmiHosts.getRMIHosts().isEmpty()) {
+            throw new RMIHostException("No RMI host available");
+        }
+        rmiHosts.getRMIHosts().get(0).unregisterService(serviceName, port);
+    }
+
+}
diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHost.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHost.java
new file mode 100644
index 0000000000..59377de22a
--- /dev/null
+++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHost.java
@@ -0,0 +1,90 @@
+/*
+ * 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.rmi;
+
+import java.rmi.Remote;
+
+/**
+ * RMI Service hosting interface to be implemented by host environments that allows SCA Components
+ * to register RMI Services to handle inbound service requests over RMI to SCA Components
+ *
+ * @version $Rev$ $Date$
+ */
+public interface RMIHost {
+    int RMI_DEFAULT_PORT = 1099;
+
+    /**
+     * Register an RMI service with the given name and port
+     * 
+     * @param serviceName against which the server is to be registered
+     * @param port the port against which the server is to be registered
+     * @param serviceObject the server object to be registered
+     * @throws RMIHostException
+     * @throws RMIHostRuntimeException
+     */ 
+    void registerService(String serviceName, int port, Remote serviceObject) throws RMIHostException,
+                                                                                    RMIHostRuntimeException;
+
+    /**
+     * Register an RMI service with the given name and default port (1099)
+     * 
+     * @param serviceName serviceName against which the server is to be registered
+     * @param serviceObject the server object to be registered
+     * @throws RMIHostException
+     * @throws RMIHostRuntimeException
+     */
+    void registerService(String serviceName, Remote serviceObject) throws RMIHostException,
+                                                                          RMIHostRuntimeException;
+
+    /**
+     * Unregister a service registered under the given service name and port number
+     * 
+     * @param serviceName serviceName against which the server is to be registered
+     * @param port the port against which the server is to be registered
+     * @throws RMIHostException
+     * @throws RMIHostRuntimeException
+     */
+    void unregisterService(String serviceName, int port) throws RMIHostException,
+                                                                RMIHostRuntimeException;
+
+    /**
+     * Unregister a service registered under the given service name and default port number (1099)
+     * 
+     * @param serviceName the name of the service that has to be unregistered
+     * @throws RMIHostException
+     * @throws RMIHostRuntimeException
+     */
+    void unregisterService(String serviceName) throws RMIHostException,
+                                                      RMIHostRuntimeException;
+
+
+    /**
+     * find a remote service hosted on the given host, port and service name
+     * 
+     * @param host the name of the host on which the RMI service to be unregistered is running
+     * @param port the port against which the server is to be unregistered is running
+     * @param svcName serviceName against which the server is to be unregistered is running
+     * @return the RMI server object 
+     * @throws RMIHostException
+     * @throws RMIHostRuntimeException
+     */
+    Remote findService(String host, String port, String svcName) throws RMIHostException,
+                                                                        RMIHostRuntimeException;
+
+}
diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostException.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostException.java
new file mode 100644
index 0000000000..959eb72f6e
--- /dev/null
+++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostException.java
@@ -0,0 +1,45 @@
+/*
+ * 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.rmi;
+
+
+/**
+ * This exception will relate to situations where the end applicaition's input is the cause of the exception
+ *
+ * @version $Rev: 486986 $ $Date: 2006-12-14 11:48:28 +0530 (Thu, 14 Dec 2006) $
+ */
+public class RMIHostException extends RuntimeException {
+ 
+    private static final long serialVersionUID = 3378300080918544410L;
+
+    public RMIHostException() {
+    }
+
+    public RMIHostException(String message) {
+        super(message);
+    }
+
+    public RMIHostException(Throwable e) {
+        super(e);
+    }
+
+    public RMIHostException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}
diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostExtensionPoint.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostExtensionPoint.java
new file mode 100644
index 0000000000..40d6013940
--- /dev/null
+++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostExtensionPoint.java
@@ -0,0 +1,51 @@
+/*
+ * 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.rmi;
+
+import java.util.List;
+
+/**
+ * An extension point for RMI hosts.
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface RMIHostExtensionPoint {
+
+    /**
+     * Adds a Servlet host extension.
+     * 
+     * @param rmiHost
+     */
+    void addRMIHost(RMIHost rmiHost);
+
+    /**
+     * Removes a Servlet host extension.
+     * 
+     * @param rmiHost
+     */
+    void removeRMIHost(RMIHost rmiHost);
+    
+    /**
+     * Returns a list of Servlet host extensions.
+     * 
+     * @return
+     */
+    List<RMIHost> getRMIHosts();
+
+}
diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostRuntimeException.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostRuntimeException.java
new file mode 100644
index 0000000000..998287f998
--- /dev/null
+++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostRuntimeException.java
@@ -0,0 +1,46 @@
+/*
+ * 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.rmi;
+
+
+/**
+ * This exception relates to cases where there is a problem with the
+ * Host runtime
+ *
+ * @version $Rev$ $Date$
+ */
+public class RMIHostRuntimeException extends RuntimeException {
+   
+    private static final long serialVersionUID = -2639598547028423686L;
+
+    public RMIHostRuntimeException() {
+    }
+
+    public RMIHostRuntimeException(String message) {
+        super(message);
+    }
+    
+    public RMIHostRuntimeException(Throwable e) {
+        super(e);
+    }
+
+    public RMIHostRuntimeException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}