From 1d9c2f3c19d1d7af1408baa0b761e3cd367331f4 Mon Sep 17 00:00:00 2001 From: rfeng Date: Wed, 15 Oct 2008 21:40:59 +0000 Subject: Restrict Export-Package and refactor some internal classes git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@705061 13f79535-47bb-0310-9956-ffa450edef68 --- .../binding/sca/SCABindingDefinitionsProvider.java | 73 ------- .../sca/binding/sca/impl/RemoteBindingHelper.java | 43 ---- .../sca/impl/RuntimeSCABindingProvider.java | 61 ------ .../sca/impl/RuntimeSCABindingProviderFactory.java | 62 ------ .../impl/RuntimeSCAReferenceBindingProvider.java | 236 -------------------- .../sca/impl/RuntimeSCAServiceBindingProvider.java | 154 ------------- .../sca/binding/sca/impl/SCABindingInvoker.java | 71 ------ .../binding/sca/provider/RemoteBindingHelper.java | 43 ++++ .../sca/provider/RuntimeSCABindingProvider.java | 61 ++++++ .../provider/RuntimeSCABindingProviderFactory.java | 62 ++++++ .../RuntimeSCAReferenceBindingProvider.java | 237 +++++++++++++++++++++ .../provider/RuntimeSCAServiceBindingProvider.java | 155 ++++++++++++++ .../provider/SCABindingDefinitionsProvider.java | 73 +++++++ .../binding/sca/provider/SCABindingInvoker.java | 71 ++++++ 14 files changed, 702 insertions(+), 700 deletions(-) delete mode 100644 branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/SCABindingDefinitionsProvider.java delete mode 100644 branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RemoteBindingHelper.java delete mode 100644 branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProvider.java delete mode 100644 branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProviderFactory.java delete mode 100644 branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAReferenceBindingProvider.java delete mode 100644 branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAServiceBindingProvider.java delete mode 100644 branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingInvoker.java create mode 100644 branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RemoteBindingHelper.java create mode 100644 branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCABindingProvider.java create mode 100644 branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCABindingProviderFactory.java create mode 100644 branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAReferenceBindingProvider.java create mode 100644 branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAServiceBindingProvider.java create mode 100644 branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/SCABindingDefinitionsProvider.java create mode 100644 branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/SCABindingInvoker.java (limited to 'branches/sca-equinox/modules/binding-sca/src/main/java/org') diff --git a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/SCABindingDefinitionsProvider.java b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/SCABindingDefinitionsProvider.java deleted file mode 100644 index faf0bd53fd..0000000000 --- a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/SCABindingDefinitionsProvider.java +++ /dev/null @@ -1,73 +0,0 @@ -/* - * 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.binding.sca; - -import java.net.URI; -import java.net.URL; -import java.security.AccessController; -import java.security.PrivilegedAction; -import java.security.PrivilegedExceptionAction; - -import org.apache.tuscany.sca.contribution.processor.ContributionReadException; -import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor; -import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.definitions.Definitions; -import org.apache.tuscany.sca.provider.DefinitionsProvider; -import org.apache.tuscany.sca.provider.DefinitionsProviderException; - -/** - * Provider for Policy Intents and PolicySet definitions related to security - * - * @version $Rev$ $Date$ - */ -public class SCABindingDefinitionsProvider implements DefinitionsProvider { - private String definitionsFile = "org/apache/tuscany/sca/binding/sca/definitions.xml"; - URLArtifactProcessor urlArtifactProcessor = null; - - public SCABindingDefinitionsProvider(ExtensionPointRegistry registry) { - URLArtifactProcessorExtensionPoint documentProcessors = registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class); - urlArtifactProcessor = (URLArtifactProcessor)documentProcessors.getProcessor(Definitions.class); - } - - public Definitions getDefinitions() throws DefinitionsProviderException { - // Allow privileged access to load resource. Requires RuntimePermssion in security policy. - final URL definitionsFileUrl = AccessController.doPrivileged(new PrivilegedAction() { - public URL run() { - return getClass().getClassLoader().getResource(definitionsFile); - } - }); - - Definitions scaDefn = null; - try { - final URI uri = new URI(definitionsFile); - // Allow bindings to read properties. Requires PropertyPermission read in security policy. - scaDefn = AccessController.doPrivileged(new PrivilegedExceptionAction() { - public Definitions run() throws ContributionReadException { - return (Definitions)urlArtifactProcessor.read(null, uri, definitionsFileUrl); - } - }); - } catch (Exception e) { - throw new DefinitionsProviderException(e); - } - return scaDefn; - } - -} diff --git a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RemoteBindingHelper.java b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RemoteBindingHelper.java deleted file mode 100644 index 86629fb378..0000000000 --- a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RemoteBindingHelper.java +++ /dev/null @@ -1,43 +0,0 @@ -/* - * 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.binding.sca.impl; - -/** - * TODO: TUSCANY-2578, implement a pluggable mechanism so sca binding impls can - * add their own code to the decision on whether or not to use - * the remote binding provider. - */ -public class RemoteBindingHelper { - - private static boolean alwaysRemote; - static { - try { - Class.forName("org.apache.tuscany.sca.binding.sca.jms.JMSSCABindingProviderFactory"); - alwaysRemote = true; - } catch (ClassNotFoundException e) { - alwaysRemote = false; - } - } - - public static boolean isTargetRemote() { - return alwaysRemote; - } - -} diff --git a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProvider.java b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProvider.java deleted file mode 100644 index 5c1cefb808..0000000000 --- a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProvider.java +++ /dev/null @@ -1,61 +0,0 @@ -/* - * 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.binding.sca.impl; - -import org.apache.tuscany.sca.assembly.SCABinding; -import org.apache.tuscany.sca.interfacedef.InterfaceContract; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.provider.ReferenceBindingProvider; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.apache.tuscany.sca.runtime.RuntimeComponentReference; - -/** - * The local SCA Binding provider implementation. It is not currently used. - * - * @version $Rev$ $Date$ - */ -public class RuntimeSCABindingProvider implements ReferenceBindingProvider { - - private RuntimeComponentReference reference; - - public RuntimeSCABindingProvider(RuntimeComponent component, RuntimeComponentReference reference, SCABinding binding) { - this.reference = reference; - } - - public InterfaceContract getBindingInterfaceContract() { - return reference.getInterfaceContract(); - } - - public Invoker createInvoker(Operation operation) { - return null; - } - - public void start() { - } - - public void stop() { - } - - public boolean supportsOneWayInvocation() { - return false; - } - -} diff --git a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProviderFactory.java b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProviderFactory.java deleted file mode 100644 index e0f214f395..0000000000 --- a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCABindingProviderFactory.java +++ /dev/null @@ -1,62 +0,0 @@ -/* - * 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.binding.sca.impl; - -import org.apache.tuscany.sca.assembly.SCABinding; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.provider.BindingProviderFactory; -import org.apache.tuscany.sca.provider.ReferenceBindingProvider; -import org.apache.tuscany.sca.provider.ServiceBindingProvider; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.apache.tuscany.sca.runtime.RuntimeComponentReference; -import org.apache.tuscany.sca.runtime.RuntimeComponentService; - -/** - * The factory for creating SCA Binding providers - * - * @version $Rev$ $Date$ - */ -public class RuntimeSCABindingProviderFactory implements BindingProviderFactory { - - private ExtensionPointRegistry extensionPoints; - - public RuntimeSCABindingProviderFactory(ExtensionPointRegistry extensionPoints) { - this.extensionPoints = extensionPoints; - - } - - public ReferenceBindingProvider createReferenceBindingProvider(RuntimeComponent component, - RuntimeComponentReference reference, - SCABinding binding) { - - return new RuntimeSCAReferenceBindingProvider(extensionPoints, component, reference, binding); - } - - public ServiceBindingProvider createServiceBindingProvider(RuntimeComponent component, - RuntimeComponentService service, - SCABinding binding) { - return new RuntimeSCAServiceBindingProvider(extensionPoints, component, service, binding); - } - - public Class getModelType() { - return SCABinding.class; - } -} diff --git a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAReferenceBindingProvider.java b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAReferenceBindingProvider.java deleted file mode 100644 index 850fd77e96..0000000000 --- a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAReferenceBindingProvider.java +++ /dev/null @@ -1,236 +0,0 @@ -/* - * 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.binding.sca.impl; - -import java.net.URI; -import java.util.logging.Logger; - -import org.apache.tuscany.sca.assembly.OptimizableBinding; -import org.apache.tuscany.sca.assembly.SCABinding; -import org.apache.tuscany.sca.binding.sca.DistributedSCABinding; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.interfacedef.InterfaceContract; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.InvocationChain; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.provider.BindingProviderFactory; -import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; -import org.apache.tuscany.sca.provider.ReferenceBindingProvider; -import org.apache.tuscany.sca.runtime.EndpointReference; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.apache.tuscany.sca.runtime.RuntimeComponentReference; -import org.apache.tuscany.sca.runtime.RuntimeComponentService; -import org.apache.tuscany.sca.runtime.RuntimeWire; -import org.osoa.sca.ServiceUnavailableException; - -/** - * The sca reference binding provider mediates between the twin requirements of - * local sca bindings and remote sca bindings. In the local case is does - * very little. When the sca binding model is set as being remote (because a - * reference target can't be resolved in the current model) this binding will - * try and create a remote connection to it - * - * @version $Rev$ $Date$ - */ -public class RuntimeSCAReferenceBindingProvider implements ReferenceBindingProvider { - - private static final Logger logger = Logger.getLogger(RuntimeSCAReferenceBindingProvider.class.getName()); - - private RuntimeComponent component; - private RuntimeComponentReference reference; - private SCABinding binding; - private boolean started = false; - - private BindingProviderFactory distributedProviderFactory = null; - private ReferenceBindingProvider distributedProvider = null; - - public RuntimeSCAReferenceBindingProvider(ExtensionPointRegistry extensionPoints, - RuntimeComponent component, - RuntimeComponentReference reference, - SCABinding binding) { - this.component = component; - this.reference = reference; - this.binding = binding; - - // look to see if a distributed SCA binding implementation has - // been included on the classpath. This will be needed by the - // provider itself to do it's thing - ProviderFactoryExtensionPoint factoryExtensionPoint = - extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class); - distributedProviderFactory = - (BindingProviderFactory)factoryExtensionPoint - .getProviderFactory(DistributedSCABinding.class); - - } - - public boolean isTargetRemote() { - boolean targetIsRemote = false; - - // first look at the target service and see if this has been resolved - OptimizableBinding optimizableBinding = (OptimizableBinding)binding; - - // The decision is based on the results of the wiring process in the assembly model - // The SCA binding is used to represent unresolved reference targets, i.e. those - // reference targets that need resolving at run time. We can tell by lookin if the - // service to which this binding refers is resolved or not. - // - // TODO - When a callback is in operation. A callback reference bindings sometimes has to - // act as though there is a local wire and sometimes as if there is a remote wire - // what are the implications of this here? - - if (RemoteBindingHelper.isTargetRemote()) { - if (reference.getInterfaceContract() != null) { - targetIsRemote = reference.getInterfaceContract().getInterface().isRemotable(); - } else { - targetIsRemote = true; - } - } else if (optimizableBinding.getTargetComponentService() != null) { - if (optimizableBinding.getTargetComponentService().isUnresolved() == true) { - targetIsRemote = true; - } else { - targetIsRemote = false; - } - } else { - // the case where the wire is specified by URI, e.g. callbacks or user specified bindings, and - // look at the provided URI to decide whether it is a local or remote case - try { - URI uri = new URI(binding.getURI()); - if (uri.isAbsolute()) { - targetIsRemote = true; - } else { - targetIsRemote = false; - } - } catch (Exception ex) { - targetIsRemote = false; - } - } - return targetIsRemote; - } - - private ReferenceBindingProvider getDistributedProvider() { - - if (isTargetRemote()) { - // initialize the remote provider if it hasn't been done already - if (distributedProvider == null) { - if (reference.getInterfaceContract() != null && !reference.getInterfaceContract().getInterface().isRemotable()) { - throw new IllegalStateException("Reference interface not remotable for component: " + component - .getName() - + " and reference: " - + reference.getName()); - } - - if (distributedProviderFactory == null) { - throw new IllegalStateException("No distributed SCA binding available for component: " + component - .getName() - + " and reference: " - + reference.getName()); - } - - // create the remote provider - DistributedSCABinding distributedBinding = new DistributedSCABindingImpl(); - distributedBinding.setSCABinding(binding); - - distributedProvider = - distributedProviderFactory.createReferenceBindingProvider(component, reference, distributedBinding); - } - } - - return distributedProvider; - } - - public InterfaceContract getBindingInterfaceContract() { - if (isTargetRemote()) { - return getDistributedProvider().getBindingInterfaceContract(); - } else { - if (reference.getReference() != null) { - return reference.getReference().getInterfaceContract(); - } else { - return reference.getInterfaceContract(); - } - } - } - - public boolean supportsOneWayInvocation() { - if (isTargetRemote()) { - return getDistributedProvider().supportsOneWayInvocation(); - } else { - return false; - } - } - - private Invoker getInvoker(RuntimeWire wire, Operation operation) { - EndpointReference target = wire.getTarget(); - if (target != null) { - RuntimeComponentService service = (RuntimeComponentService)target.getContract(); - if (service != null) { // not a callback wire - SCABinding scaBinding = service.getBinding(SCABinding.class); - InvocationChain chain = - service.getInvocationChain(scaBinding, wire.getSource().getInterfaceContract(), operation); - return chain == null ? null : new SCABindingInvoker(chain); - } - } - return null; - } - - public Invoker createInvoker(Operation operation) { - if (isTargetRemote()) { - return getDistributedProvider().createInvoker(operation); - } else { - RuntimeWire wire = reference.getRuntimeWire(binding); - Invoker invoker = getInvoker(wire, operation); - if (invoker == null) { - throw new ServiceUnavailableException("Unable to create SCA binding invoker for local target " + component.getName() - + " reference " - + reference.getName() - + " (bindingURI=" - + binding.getURI() - + " operation=" - + operation.getName() - + ")" ); - } - return invoker; - } - } - - public void start() { - if (started) { - return; - } else { - started = true; - } - - if (getDistributedProvider() != null) { - distributedProvider.start(); - } - } - - public void stop() { - if (!started) { - return; - } else { - started = false; - } - - if (getDistributedProvider() != null) { - distributedProvider.stop(); - } - } - -} diff --git a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAServiceBindingProvider.java b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAServiceBindingProvider.java deleted file mode 100644 index 8994ba5381..0000000000 --- a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/RuntimeSCAServiceBindingProvider.java +++ /dev/null @@ -1,154 +0,0 @@ -/* - * 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.binding.sca.impl; - -import java.net.URI; - -import org.apache.tuscany.sca.assembly.SCABinding; -import org.apache.tuscany.sca.binding.sca.DistributedSCABinding; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.interfacedef.InterfaceContract; -import org.apache.tuscany.sca.provider.BindingProviderFactory; -import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; -import org.apache.tuscany.sca.provider.ServiceBindingProvider; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.apache.tuscany.sca.runtime.RuntimeComponentService; - -/** - * The sca service binding provider mediates between the twin requirements of - * local sca bindings and remote sca bindings. In the local case is does - * very little. When the sca binding model is set as being remote this binding will - * try and create a remote service endpoint for remote references to connect to - * - * @version $Rev$ $Date$ - */ -public class RuntimeSCAServiceBindingProvider implements ServiceBindingProvider { - - private RuntimeComponentService service; - private BindingProviderFactory distributedProviderFactory; - private ServiceBindingProvider distributedProvider; - private DistributedSCABinding distributedBinding; - - public RuntimeSCAServiceBindingProvider(ExtensionPointRegistry extensionPoints, - RuntimeComponent component, - RuntimeComponentService service, - SCABinding binding) { - this.service = service; - // if there is potentially a wire to this service that crosses the node boundary - if (service.getInterfaceContract().getInterface().isRemotable()) { - - // look to see if a distributed SCA binding implementation has - // been included on the classpath. This will be needed by the - // provider itself to do it's thing - ProviderFactoryExtensionPoint factoryExtensionPoint = - extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class); - distributedProviderFactory = - (BindingProviderFactory)factoryExtensionPoint - .getProviderFactory(DistributedSCABinding.class); - - // Check the things that will generally be required to set up a - // distributed sca domain reference provider. I.e. make sure that we have a - // - distributed implementation of the sca binding available - // - remotable interface on the service - if (distributedProviderFactory != null) { - - URI serviceURI = null; - try { - serviceURI = new URI(binding.getURI()); - } catch(Exception ex) { - - } - - if (RemoteBindingHelper.isTargetRemote() || ((serviceURI != null) && (serviceURI.isAbsolute()))) { - - // create a nested provider to handle the remote case - distributedBinding = new DistributedSCABindingImpl(); - distributedBinding.setSCABinding(binding); - - distributedProvider = - distributedProviderFactory.createServiceBindingProvider(component, service, distributedBinding); - - - } else { - /* do nothing at the moment as only apps using the node implementation - * will currently have the distributed domain set. - * - throw new IllegalStateException("No distributed domain available for component: "+ - component.getName() + - " and service: " + - service.getName()); - */ - } - } else { - /* do nothing at the moment as all services with remotable interfaces - * are marked as remote - throw new IllegalStateException("No distributed SCA binding available for component: "+ - component.getName() + - " and service: " + - service.getName()); - */ - } - } - } - - public InterfaceContract getBindingInterfaceContract() { - if (distributedProvider != null) { - return distributedProvider.getBindingInterfaceContract(); - } else { - if (service.getService() != null) { - return service.getService().getInterfaceContract(); - } else { - return service.getInterfaceContract(); - } - } - } - - public boolean supportsOneWayInvocation() { - return false; - } - - public void start() { - if (distributedProvider != null) { - distributedProvider.start(); - } - } - - public void stop() { - if (distributedProvider != null) { - distributedProvider.stop(); - } - - if (distributedBinding != null) { - // reset the binding URI to null so that if the composite containing the component - // with the service/binding is restarted the binding will have the correct URI set - SCABinding scaBinding = distributedBinding.getSCABinding(); - try { - URI tempURI = new URI(scaBinding.getURI()); - if (!tempURI.isAbsolute()){ - scaBinding.setURI(null); - } - } catch (Exception ex){ - scaBinding.setURI(null); - } - } - - } - -} diff --git a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingInvoker.java b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingInvoker.java deleted file mode 100644 index 52c0f64fe5..0000000000 --- a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/impl/SCABindingInvoker.java +++ /dev/null @@ -1,71 +0,0 @@ -/* - * 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.binding.sca.impl; - -import org.apache.tuscany.sca.invocation.Interceptor; -import org.apache.tuscany.sca.invocation.InvocationChain; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.invocation.Message; -import org.apache.tuscany.sca.invocation.DataExchangeSemantics; - -/** - * @version $Rev$ $Date$ - */ -public class SCABindingInvoker implements Interceptor, DataExchangeSemantics { - private InvocationChain chain; - - /** - * Construct a SCABindingInvoker that delegates to the service invocaiton chain - * @param chain - */ - public SCABindingInvoker(InvocationChain chain) { - super(); - this.chain = chain; - } - - /** - * @see org.apache.tuscany.sca.invocation.Interceptor#getNext() - */ - public Invoker getNext() { - return chain.getHeadInvoker(); - } - - /** - * @see org.apache.tuscany.sca.invocation.Interceptor#setNext(org.apache.tuscany.sca.invocation.Invoker) - */ - public void setNext(Invoker next) { - // NOOP - } - - /** - * @see org.apache.tuscany.sca.invocation.Invoker#invoke(org.apache.tuscany.sca.invocation.Message) - */ - public Message invoke(Message msg) { - return getNext().invoke(msg); - } - - /** - * @see org.apache.tuscany.sca.invocation.DataExchangeSemantics#allowsPassByReference() - */ - public boolean allowsPassByReference() { - return chain.allowsPassByReference(); - } - -} diff --git a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RemoteBindingHelper.java b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RemoteBindingHelper.java new file mode 100644 index 0000000000..29c5374d51 --- /dev/null +++ b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RemoteBindingHelper.java @@ -0,0 +1,43 @@ +/* + * 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.binding.sca.provider; + +/** + * TODO: TUSCANY-2578, implement a pluggable mechanism so sca binding impls can + * add their own code to the decision on whether or not to use + * the remote binding provider. + */ +public class RemoteBindingHelper { + + private static boolean alwaysRemote; + static { + try { + Class.forName("org.apache.tuscany.sca.binding.sca.jms.JMSSCABindingProviderFactory"); + alwaysRemote = true; + } catch (ClassNotFoundException e) { + alwaysRemote = false; + } + } + + public static boolean isTargetRemote() { + return alwaysRemote; + } + +} diff --git a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCABindingProvider.java b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCABindingProvider.java new file mode 100644 index 0000000000..c4daa7c727 --- /dev/null +++ b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCABindingProvider.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.binding.sca.provider; + +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; + +/** + * The local SCA Binding provider implementation. It is not currently used. + * + * @version $Rev$ $Date$ + */ +public class RuntimeSCABindingProvider implements ReferenceBindingProvider { + + private RuntimeComponentReference reference; + + public RuntimeSCABindingProvider(RuntimeComponent component, RuntimeComponentReference reference, SCABinding binding) { + this.reference = reference; + } + + public InterfaceContract getBindingInterfaceContract() { + return reference.getInterfaceContract(); + } + + public Invoker createInvoker(Operation operation) { + return null; + } + + public void start() { + } + + public void stop() { + } + + public boolean supportsOneWayInvocation() { + return false; + } + +} diff --git a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCABindingProviderFactory.java b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCABindingProviderFactory.java new file mode 100644 index 0000000000..9456f3d75b --- /dev/null +++ b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCABindingProviderFactory.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.binding.sca.provider; + +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.provider.BindingProviderFactory; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + +/** + * The factory for creating SCA Binding providers + * + * @version $Rev$ $Date$ + */ +public class RuntimeSCABindingProviderFactory implements BindingProviderFactory { + + private ExtensionPointRegistry extensionPoints; + + public RuntimeSCABindingProviderFactory(ExtensionPointRegistry extensionPoints) { + this.extensionPoints = extensionPoints; + + } + + public ReferenceBindingProvider createReferenceBindingProvider(RuntimeComponent component, + RuntimeComponentReference reference, + SCABinding binding) { + + return new RuntimeSCAReferenceBindingProvider(extensionPoints, component, reference, binding); + } + + public ServiceBindingProvider createServiceBindingProvider(RuntimeComponent component, + RuntimeComponentService service, + SCABinding binding) { + return new RuntimeSCAServiceBindingProvider(extensionPoints, component, service, binding); + } + + public Class getModelType() { + return SCABinding.class; + } +} diff --git a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAReferenceBindingProvider.java b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAReferenceBindingProvider.java new file mode 100644 index 0000000000..a6c70dcf1b --- /dev/null +++ b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAReferenceBindingProvider.java @@ -0,0 +1,237 @@ +/* + * 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.binding.sca.provider; + +import java.net.URI; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.assembly.OptimizableBinding; +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.binding.sca.DistributedSCABinding; +import org.apache.tuscany.sca.binding.sca.impl.DistributedSCABindingImpl; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.provider.BindingProviderFactory; +import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.runtime.EndpointReference; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.apache.tuscany.sca.runtime.RuntimeWire; +import org.osoa.sca.ServiceUnavailableException; + +/** + * The sca reference binding provider mediates between the twin requirements of + * local sca bindings and remote sca bindings. In the local case is does + * very little. When the sca binding model is set as being remote (because a + * reference target can't be resolved in the current model) this binding will + * try and create a remote connection to it + * + * @version $Rev$ $Date$ + */ +public class RuntimeSCAReferenceBindingProvider implements ReferenceBindingProvider { + + private static final Logger logger = Logger.getLogger(RuntimeSCAReferenceBindingProvider.class.getName()); + + private RuntimeComponent component; + private RuntimeComponentReference reference; + private SCABinding binding; + private boolean started = false; + + private BindingProviderFactory distributedProviderFactory = null; + private ReferenceBindingProvider distributedProvider = null; + + public RuntimeSCAReferenceBindingProvider(ExtensionPointRegistry extensionPoints, + RuntimeComponent component, + RuntimeComponentReference reference, + SCABinding binding) { + this.component = component; + this.reference = reference; + this.binding = binding; + + // look to see if a distributed SCA binding implementation has + // been included on the classpath. This will be needed by the + // provider itself to do it's thing + ProviderFactoryExtensionPoint factoryExtensionPoint = + extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class); + distributedProviderFactory = + (BindingProviderFactory)factoryExtensionPoint + .getProviderFactory(DistributedSCABinding.class); + + } + + public boolean isTargetRemote() { + boolean targetIsRemote = false; + + // first look at the target service and see if this has been resolved + OptimizableBinding optimizableBinding = (OptimizableBinding)binding; + + // The decision is based on the results of the wiring process in the assembly model + // The SCA binding is used to represent unresolved reference targets, i.e. those + // reference targets that need resolving at run time. We can tell by lookin if the + // service to which this binding refers is resolved or not. + // + // TODO - When a callback is in operation. A callback reference bindings sometimes has to + // act as though there is a local wire and sometimes as if there is a remote wire + // what are the implications of this here? + + if (RemoteBindingHelper.isTargetRemote()) { + if (reference.getInterfaceContract() != null) { + targetIsRemote = reference.getInterfaceContract().getInterface().isRemotable(); + } else { + targetIsRemote = true; + } + } else if (optimizableBinding.getTargetComponentService() != null) { + if (optimizableBinding.getTargetComponentService().isUnresolved() == true) { + targetIsRemote = true; + } else { + targetIsRemote = false; + } + } else { + // the case where the wire is specified by URI, e.g. callbacks or user specified bindings, and + // look at the provided URI to decide whether it is a local or remote case + try { + URI uri = new URI(binding.getURI()); + if (uri.isAbsolute()) { + targetIsRemote = true; + } else { + targetIsRemote = false; + } + } catch (Exception ex) { + targetIsRemote = false; + } + } + return targetIsRemote; + } + + private ReferenceBindingProvider getDistributedProvider() { + + if (isTargetRemote()) { + // initialize the remote provider if it hasn't been done already + if (distributedProvider == null) { + if (reference.getInterfaceContract() != null && !reference.getInterfaceContract().getInterface().isRemotable()) { + throw new IllegalStateException("Reference interface not remotable for component: " + component + .getName() + + " and reference: " + + reference.getName()); + } + + if (distributedProviderFactory == null) { + throw new IllegalStateException("No distributed SCA binding available for component: " + component + .getName() + + " and reference: " + + reference.getName()); + } + + // create the remote provider + DistributedSCABinding distributedBinding = new DistributedSCABindingImpl(); + distributedBinding.setSCABinding(binding); + + distributedProvider = + distributedProviderFactory.createReferenceBindingProvider(component, reference, distributedBinding); + } + } + + return distributedProvider; + } + + public InterfaceContract getBindingInterfaceContract() { + if (isTargetRemote()) { + return getDistributedProvider().getBindingInterfaceContract(); + } else { + if (reference.getReference() != null) { + return reference.getReference().getInterfaceContract(); + } else { + return reference.getInterfaceContract(); + } + } + } + + public boolean supportsOneWayInvocation() { + if (isTargetRemote()) { + return getDistributedProvider().supportsOneWayInvocation(); + } else { + return false; + } + } + + private Invoker getInvoker(RuntimeWire wire, Operation operation) { + EndpointReference target = wire.getTarget(); + if (target != null) { + RuntimeComponentService service = (RuntimeComponentService)target.getContract(); + if (service != null) { // not a callback wire + SCABinding scaBinding = service.getBinding(SCABinding.class); + InvocationChain chain = + service.getInvocationChain(scaBinding, wire.getSource().getInterfaceContract(), operation); + return chain == null ? null : new SCABindingInvoker(chain); + } + } + return null; + } + + public Invoker createInvoker(Operation operation) { + if (isTargetRemote()) { + return getDistributedProvider().createInvoker(operation); + } else { + RuntimeWire wire = reference.getRuntimeWire(binding); + Invoker invoker = getInvoker(wire, operation); + if (invoker == null) { + throw new ServiceUnavailableException("Unable to create SCA binding invoker for local target " + component.getName() + + " reference " + + reference.getName() + + " (bindingURI=" + + binding.getURI() + + " operation=" + + operation.getName() + + ")" ); + } + return invoker; + } + } + + public void start() { + if (started) { + return; + } else { + started = true; + } + + if (getDistributedProvider() != null) { + distributedProvider.start(); + } + } + + public void stop() { + if (!started) { + return; + } else { + started = false; + } + + if (getDistributedProvider() != null) { + distributedProvider.stop(); + } + } + +} diff --git a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAServiceBindingProvider.java b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAServiceBindingProvider.java new file mode 100644 index 0000000000..6a23c5011f --- /dev/null +++ b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAServiceBindingProvider.java @@ -0,0 +1,155 @@ +/* + * 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.binding.sca.provider; + +import java.net.URI; + +import org.apache.tuscany.sca.assembly.SCABinding; +import org.apache.tuscany.sca.binding.sca.DistributedSCABinding; +import org.apache.tuscany.sca.binding.sca.impl.DistributedSCABindingImpl; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.provider.BindingProviderFactory; +import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + +/** + * The sca service binding provider mediates between the twin requirements of + * local sca bindings and remote sca bindings. In the local case is does + * very little. When the sca binding model is set as being remote this binding will + * try and create a remote service endpoint for remote references to connect to + * + * @version $Rev$ $Date$ + */ +public class RuntimeSCAServiceBindingProvider implements ServiceBindingProvider { + + private RuntimeComponentService service; + private BindingProviderFactory distributedProviderFactory; + private ServiceBindingProvider distributedProvider; + private DistributedSCABinding distributedBinding; + + public RuntimeSCAServiceBindingProvider(ExtensionPointRegistry extensionPoints, + RuntimeComponent component, + RuntimeComponentService service, + SCABinding binding) { + this.service = service; + // if there is potentially a wire to this service that crosses the node boundary + if (service.getInterfaceContract().getInterface().isRemotable()) { + + // look to see if a distributed SCA binding implementation has + // been included on the classpath. This will be needed by the + // provider itself to do it's thing + ProviderFactoryExtensionPoint factoryExtensionPoint = + extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class); + distributedProviderFactory = + (BindingProviderFactory)factoryExtensionPoint + .getProviderFactory(DistributedSCABinding.class); + + // Check the things that will generally be required to set up a + // distributed sca domain reference provider. I.e. make sure that we have a + // - distributed implementation of the sca binding available + // - remotable interface on the service + if (distributedProviderFactory != null) { + + URI serviceURI = null; + try { + serviceURI = new URI(binding.getURI()); + } catch(Exception ex) { + + } + + if (RemoteBindingHelper.isTargetRemote() || ((serviceURI != null) && (serviceURI.isAbsolute()))) { + + // create a nested provider to handle the remote case + distributedBinding = new DistributedSCABindingImpl(); + distributedBinding.setSCABinding(binding); + + distributedProvider = + distributedProviderFactory.createServiceBindingProvider(component, service, distributedBinding); + + + } else { + /* do nothing at the moment as only apps using the node implementation + * will currently have the distributed domain set. + * + throw new IllegalStateException("No distributed domain available for component: "+ + component.getName() + + " and service: " + + service.getName()); + */ + } + } else { + /* do nothing at the moment as all services with remotable interfaces + * are marked as remote + throw new IllegalStateException("No distributed SCA binding available for component: "+ + component.getName() + + " and service: " + + service.getName()); + */ + } + } + } + + public InterfaceContract getBindingInterfaceContract() { + if (distributedProvider != null) { + return distributedProvider.getBindingInterfaceContract(); + } else { + if (service.getService() != null) { + return service.getService().getInterfaceContract(); + } else { + return service.getInterfaceContract(); + } + } + } + + public boolean supportsOneWayInvocation() { + return false; + } + + public void start() { + if (distributedProvider != null) { + distributedProvider.start(); + } + } + + public void stop() { + if (distributedProvider != null) { + distributedProvider.stop(); + } + + if (distributedBinding != null) { + // reset the binding URI to null so that if the composite containing the component + // with the service/binding is restarted the binding will have the correct URI set + SCABinding scaBinding = distributedBinding.getSCABinding(); + try { + URI tempURI = new URI(scaBinding.getURI()); + if (!tempURI.isAbsolute()){ + scaBinding.setURI(null); + } + } catch (Exception ex){ + scaBinding.setURI(null); + } + } + + } + +} diff --git a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/SCABindingDefinitionsProvider.java b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/SCABindingDefinitionsProvider.java new file mode 100644 index 0000000000..b72e5d9cfc --- /dev/null +++ b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/SCABindingDefinitionsProvider.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.binding.sca.provider; + +import java.net.URI; +import java.net.URL; +import java.security.AccessController; +import java.security.PrivilegedAction; +import java.security.PrivilegedExceptionAction; + +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.definitions.Definitions; +import org.apache.tuscany.sca.provider.DefinitionsProvider; +import org.apache.tuscany.sca.provider.DefinitionsProviderException; + +/** + * Provider for Policy Intents and PolicySet definitions related to security + * + * @version $Rev$ $Date$ + */ +public class SCABindingDefinitionsProvider implements DefinitionsProvider { + private String definitionsFile = "org/apache/tuscany/sca/binding/sca/definitions.xml"; + URLArtifactProcessor urlArtifactProcessor = null; + + public SCABindingDefinitionsProvider(ExtensionPointRegistry registry) { + URLArtifactProcessorExtensionPoint documentProcessors = registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class); + urlArtifactProcessor = (URLArtifactProcessor)documentProcessors.getProcessor(Definitions.class); + } + + public Definitions getDefinitions() throws DefinitionsProviderException { + // Allow privileged access to load resource. Requires RuntimePermssion in security policy. + final URL definitionsFileUrl = AccessController.doPrivileged(new PrivilegedAction() { + public URL run() { + return getClass().getClassLoader().getResource(definitionsFile); + } + }); + + Definitions scaDefn = null; + try { + final URI uri = new URI(definitionsFile); + // Allow bindings to read properties. Requires PropertyPermission read in security policy. + scaDefn = AccessController.doPrivileged(new PrivilegedExceptionAction() { + public Definitions run() throws ContributionReadException { + return (Definitions)urlArtifactProcessor.read(null, uri, definitionsFileUrl); + } + }); + } catch (Exception e) { + throw new DefinitionsProviderException(e); + } + return scaDefn; + } + +} diff --git a/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/SCABindingInvoker.java b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/SCABindingInvoker.java new file mode 100644 index 0000000000..613c75d9bf --- /dev/null +++ b/branches/sca-equinox/modules/binding-sca/src/main/java/org/apache/tuscany/sca/binding/sca/provider/SCABindingInvoker.java @@ -0,0 +1,71 @@ +/* + * 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.binding.sca.provider; + +import org.apache.tuscany.sca.invocation.Interceptor; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.invocation.DataExchangeSemantics; + +/** + * @version $Rev$ $Date$ + */ +public class SCABindingInvoker implements Interceptor, DataExchangeSemantics { + private InvocationChain chain; + + /** + * Construct a SCABindingInvoker that delegates to the service invocaiton chain + * @param chain + */ + public SCABindingInvoker(InvocationChain chain) { + super(); + this.chain = chain; + } + + /** + * @see org.apache.tuscany.sca.invocation.Interceptor#getNext() + */ + public Invoker getNext() { + return chain.getHeadInvoker(); + } + + /** + * @see org.apache.tuscany.sca.invocation.Interceptor#setNext(org.apache.tuscany.sca.invocation.Invoker) + */ + public void setNext(Invoker next) { + // NOOP + } + + /** + * @see org.apache.tuscany.sca.invocation.Invoker#invoke(org.apache.tuscany.sca.invocation.Message) + */ + public Message invoke(Message msg) { + return getNext().invoke(msg); + } + + /** + * @see org.apache.tuscany.sca.invocation.DataExchangeSemantics#allowsPassByReference() + */ + public boolean allowsPassByReference() { + return chain.allowsPassByReference(); + } + +} -- cgit v1.2.3