diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java')
8 files changed, 566 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHost.java b/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHost.java new file mode 100644 index 0000000000..dade6ef7f3 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHost.java @@ -0,0 +1,177 @@ +/* + * 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.net.InetAddress; +import java.net.URI; +import java.net.UnknownHostException; +import java.rmi.AlreadyBoundException; +import java.rmi.NoSuchObjectException; +import java.rmi.NotBoundException; +import java.rmi.Remote; +import java.rmi.RemoteException; +import java.rmi.registry.LocateRegistry; +import java.rmi.registry.Registry; +import java.rmi.server.RMISocketFactory; +import java.rmi.server.UnicastRemoteObject; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; +import java.util.logging.Logger; + + +/** + * Default implementation of a RMI host. + * + * @version $Rev$ $Date$ + */ +public class DefaultRMIHost implements RMIHost { + private final static Logger logger = Logger.getLogger(DefaultRMIHost.class.getName()); + private static final int CONNECTION_TIMEOUT = 3000; // 3 seconds + + // Map of RMI registries started and running + private Map<String, Registry> rmiRegistries; + + private RMISocketFactory socketFactory; + + public DefaultRMIHost() { + rmiRegistries = new ConcurrentHashMap<String, Registry>(); + this.socketFactory = new RMISocketFactoryImpl(CONNECTION_TIMEOUT); + } + + public String registerService(String uri, Remote serviceObject) throws RMIHostException, RMIHostRuntimeException { + RMIURI rmiURI = new RMIURI(uri); + + Registry registry; + try { + registry = rmiRegistries.get(Integer.toString(rmiURI.port)); + if (registry == null) { + try { + registry = LocateRegistry.createRegistry(rmiURI.port, socketFactory, socketFactory); + } catch (RemoteException e) { + registry = LocateRegistry.getRegistry(null, rmiURI.port, socketFactory); + } + rmiRegistries.put(Integer.toString(rmiURI.port), registry); + } + registry.bind(rmiURI.serviceName, serviceObject); + logger.info("RMI service registered: " + rmiURI); + return rmiURI.toString(); + } catch (AlreadyBoundException e) { + throw new RMIHostException(e); + } catch (RemoteException e) { + RMIHostRuntimeException rmiExec = new RMIHostRuntimeException(e.getMessage()); + rmiExec.setStackTrace(e.getStackTrace()); + throw rmiExec; + } + + } + + public void unregisterService(String uri) throws RMIHostException, RMIHostRuntimeException { + RMIURI rmiURI = new RMIURI(uri); + + try { + Registry registry = rmiRegistries.get(Integer.toString(rmiURI.port)); + if (registry == null) { + registry = LocateRegistry.getRegistry(null, rmiURI.port, socketFactory); + rmiRegistries.put(Integer.toString(rmiURI.port), registry); + } + registry.unbind(rmiURI.serviceName); + logger.info("RMI service unregistered: " + rmiURI); + } catch (RemoteException e) { + RMIHostRuntimeException rmiExec = new RMIHostRuntimeException(e.getMessage()); + rmiExec.setStackTrace(e.getStackTrace()); + throw rmiExec; + } catch (NotBoundException e) { + throw new RMIHostException(e.getMessage()); + } + } + + public Remote findService(String uri) throws RMIHostException, RMIHostRuntimeException { + RMIURI rmiURI = new RMIURI(uri); + + Remote remoteService = null; + try { + // Requires permission java.net.SocketPermission "host:port", "connect,accept,resolve" + // in security policy. + Registry registry = LocateRegistry.getRegistry(rmiURI.host, rmiURI.port, socketFactory); + + if (registry != null) { + remoteService = registry.lookup(rmiURI.serviceName); + } + } 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; + } + + /** + * A representation of an RMI URI. + * + * rmi://[host][:port][/[object]] + * rmi:[/][object] + */ + private static class RMIURI { + private String uriStr; + private String host; + private int port; + private String serviceName; + + private RMIURI(String uriStr) { + URI uri = URI.create(uriStr); + host = uri.getHost(); + if (host == null) { + try { + host = InetAddress.getLocalHost().getHostName(); + } catch (UnknownHostException e) { + host = "localhost"; + } + } + port = uri.getPort(); + if (port <= 0) { + port = RMI_DEFAULT_PORT; + } + String path = uri.getPath(); + if (path != null && path.charAt(0) == '/') { + path = path.substring(1); + } + serviceName = path; + this.uriStr = "rmi://" + host + ":" + port + "/" + serviceName; + } + + public String toString() { + return uriStr; + } + } + + public void stop() { + for (Registry registry : rmiRegistries.values()) { + try { + UnicastRemoteObject.unexportObject(registry, false); + } catch (NoSuchObjectException e) { + e.printStackTrace(); + } + } + rmiRegistries.clear(); + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHostExtensionPoint.java b/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHostExtensionPoint.java new file mode 100644 index 0000000000..541ee8ba06 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHostExtensionPoint.java @@ -0,0 +1,67 @@ +/* + * 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; + +import org.apache.tuscany.sca.core.LifeCycleListener; + +/** + * Default implementation of an RMI host extension point. + * + * @version $Rev$ $Date$ + */ +public class DefaultRMIHostExtensionPoint implements RMIHostExtensionPoint, LifeCycleListener { + + private List<RMIHost> rmiHosts = new ArrayList<RMIHost>(); + + public DefaultRMIHostExtensionPoint() { + } + + public void addRMIHost(RMIHost rmiHost) { + rmiHosts.add(rmiHost); + if(rmiHost instanceof LifeCycleListener) { + ((LifeCycleListener) rmiHost).start(); + } + } + + public void removeRMIHost(RMIHost rmiHost) { + rmiHosts.remove(rmiHost); + } + + public synchronized List<RMIHost> getRMIHosts() { + if(rmiHosts.isEmpty()) { + addRMIHost(new DefaultRMIHost()); + } + return rmiHosts; + } + + public void start() { + } + + public void stop() { + for (RMIHost host : rmiHosts) { + if(host instanceof LifeCycleListener) { + ((LifeCycleListener) host).stop(); + } + } + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/ExtensibleRMIHost.java b/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/ExtensibleRMIHost.java new file mode 100644 index 0000000000..d1936518ca --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/ExtensibleRMIHost.java @@ -0,0 +1,62 @@ +/* + * 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 String registerService(String uri, Remote serviceObject) throws RMIHostException, RMIHostRuntimeException { + if (rmiHosts.getRMIHosts().isEmpty()) { + throw new RMIHostException("No RMI host is available"); + } + return getDefaultHost().registerService(uri, serviceObject); + } + + public void unregisterService(String uri) throws RMIHostException, RMIHostRuntimeException { + if (rmiHosts.getRMIHosts().isEmpty()) { + throw new RMIHostException("No RMI host is available"); + } + getDefaultHost().unregisterService(uri); + } + + public Remote findService(String uri) throws RMIHostException, RMIHostRuntimeException { + if (rmiHosts.getRMIHosts().isEmpty()) { + throw new RMIHostException("No RMI host available"); + } + return getDefaultHost().findService(uri); + } + + protected RMIHost getDefaultHost() { + return rmiHosts.getRMIHosts().get(0); + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHost.java b/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHost.java new file mode 100644 index 0000000000..df3f074168 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHost.java @@ -0,0 +1,61 @@ +/* + * 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 uri the URI against which the server is to be registered + * @param serviceObject the server object to be registered + * @return TODO + * @throws RMIHostException + * @throws RMIHostRuntimeException + */ + String registerService(String uri, Remote serviceObject) throws RMIHostException, RMIHostRuntimeException; + + /** + * Unregister a service registered under the given service name and port number + * + * @param uri the URI of the server + * @throws RMIHostException + * @throws RMIHostRuntimeException + */ + void unregisterService(String uri) throws RMIHostException, RMIHostRuntimeException; + + /** + * find a remote service hosted on the given host, port and service name + * + * @param uri the URI of the service + * @return the RMI server object + * @throws RMIHostException + * @throws RMIHostRuntimeException + */ + Remote findService(String uri) throws RMIHostException, RMIHostRuntimeException; +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostException.java b/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostException.java new file mode 100644 index 0000000000..5ea46b9e0b --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/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 $Rev$ $Date$ + */ +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-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostExtensionPoint.java b/sca-java-2.x/tags/2.0.1-RC1/modules/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-2.x/tags/2.0.1-RC1/modules/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-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostRuntimeException.java b/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostRuntimeException.java new file mode 100644 index 0000000000..dfbcc62939 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/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); + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMISocketFactoryImpl.java b/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMISocketFactoryImpl.java new file mode 100644 index 0000000000..763e5c1315 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMISocketFactoryImpl.java @@ -0,0 +1,57 @@ +/* + * 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.io.IOException; +import java.net.ServerSocket; +import java.net.Socket; +import java.rmi.server.RMISocketFactory; + +import javax.net.ServerSocketFactory; +import javax.net.SocketFactory; + +class RMISocketFactoryImpl extends RMISocketFactory { + private int clientTimeout; + private SocketFactory factory; + private ServerSocketFactory serverSocketFactory; + + /** + * @param timeout + */ + public RMISocketFactoryImpl(int clientTimeout) { + super(); + this.clientTimeout = clientTimeout; + this.factory = SocketFactory.getDefault(); + this.serverSocketFactory = ServerSocketFactory.getDefault(); + } + + public Socket createSocket(String host, int port) throws IOException { + Socket socket = factory.createSocket(host, port); + socket.setSoTimeout(clientTimeout); + return socket; + } + + @Override + public ServerSocket createServerSocket(int port) throws IOException { + ServerSocket socket = serverSocketFactory.createServerSocket(port); + return socket; + } + +} |