diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-M1/modules/host-rmi/src/main/java/org')
7 files changed, 458 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-M1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHost.java b/sca-java-2.x/tags/2.0-M1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHost.java new file mode 100644 index 0000000000..fe15bb59fe --- /dev/null +++ b/sca-java-2.x/tags/2.0-M1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHost.java @@ -0,0 +1,147 @@ +/* + * 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.URI; +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 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.getRegistry(rmiURI.port); + registry.lookup(rmiURI.serviceName); + } catch (RemoteException e) { + registry = LocateRegistry.createRegistry(rmiURI.port); + } catch (NotBoundException e) { + // Ignore + } + rmiRegistries.put(Integer.toString(rmiURI.port), registry); + } + registry.bind(rmiURI.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 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(rmiURI.port); + rmiRegistries.put(Integer.toString(rmiURI.port), registry); + } + registry.unbind(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()); + } + } + + 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); + + 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 host; + private int port; + private String serviceName; + + private RMIURI(String uriStr) { + URI uri = URI.create(uriStr); + host = uri.getHost(); + if (host == null) { + 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; + } + } + +} diff --git a/sca-java-2.x/tags/2.0-M1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHostExtensionPoint.java b/sca-java-2.x/tags/2.0-M1/modules/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-2.x/tags/2.0-M1/modules/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-2.x/tags/2.0-M1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/ExtensibleRMIHost.java b/sca-java-2.x/tags/2.0-M1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/ExtensibleRMIHost.java new file mode 100644 index 0000000000..29b4e195c7 --- /dev/null +++ b/sca-java-2.x/tags/2.0-M1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/ExtensibleRMIHost.java @@ -0,0 +1,59 @@ +/* + * 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 uri, Remote serviceObject) throws RMIHostException, RMIHostRuntimeException { + if (rmiHosts.getRMIHosts().isEmpty()) { + throw new RMIHostException("No RMI host available"); + } + rmiHosts.getRMIHosts().get(0).registerService(uri, serviceObject); + } + + public void unregisterService(String uri) throws RMIHostException, RMIHostRuntimeException { + if (rmiHosts.getRMIHosts().isEmpty()) { + throw new RMIHostException("No RMI host available"); + } + rmiHosts.getRMIHosts().get(0).unregisterService(uri); + } + + public Remote findService(String uri) throws RMIHostException, RMIHostRuntimeException { + if (rmiHosts.getRMIHosts().isEmpty()) { + throw new RMIHostException("No RMI host available"); + } + return rmiHosts.getRMIHosts().get(0).findService(uri); + } + +} diff --git a/sca-java-2.x/tags/2.0-M1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHost.java b/sca-java-2.x/tags/2.0-M1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHost.java new file mode 100644 index 0000000000..b95b91f003 --- /dev/null +++ b/sca-java-2.x/tags/2.0-M1/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 + * @throws RMIHostException + * @throws RMIHostRuntimeException + */ + void 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-M1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostException.java b/sca-java-2.x/tags/2.0-M1/modules/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-2.x/tags/2.0-M1/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: 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-2.x/tags/2.0-M1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostExtensionPoint.java b/sca-java-2.x/tags/2.0-M1/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-M1/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-M1/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHostRuntimeException.java b/sca-java-2.x/tags/2.0-M1/modules/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-2.x/tags/2.0-M1/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);
+ }
+}
|