diff options
Diffstat (limited to 'sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src')
19 files changed, 1506 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/DefaultJSONRPCBindingFactory.java b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/DefaultJSONRPCBindingFactory.java new file mode 100644 index 0000000000..31575518f4 --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/DefaultJSONRPCBindingFactory.java @@ -0,0 +1,35 @@ +/* + * 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.jsonrpc; + +import org.apache.tuscany.sca.binding.jsonrpc.impl.JSONRPCBindingImpl; + +/** + * A factory for the JSONRPC binding model. + * + * @version $Rev$ $Date$ + */ +public class DefaultJSONRPCBindingFactory implements JSONRPCBindingFactory { + + public JSONRPCBinding createJSONRPCBinding() { + return new JSONRPCBindingImpl(); + } + +} diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCBinding.java b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCBinding.java new file mode 100644 index 0000000000..5e0e3b5b28 --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCBinding.java @@ -0,0 +1,30 @@ +/* + * 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.jsonrpc; + +import org.apache.tuscany.sca.assembly.Binding; + +/** + * A model for the sample JSONRPC binding. + * + * @version $Rev$ $Date$ + */ +public interface JSONRPCBinding extends Binding { +} diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCBindingFactory.java b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCBindingFactory.java new file mode 100644 index 0000000000..7ba422eb85 --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCBindingFactory.java @@ -0,0 +1,35 @@ +/* + * 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.jsonrpc; + +/** + * A factory for the JSONRPC binding model. + * + * @version $Rev$ $Date$ + */ +public interface JSONRPCBindingFactory { + + /** + * Creates a new JSONRPC binding. + * + * @return a new JSONRPC binding + */ + JSONRPCBinding createJSONRPCBinding(); +} diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/impl/JSONRPCBindingImpl.java b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/impl/JSONRPCBindingImpl.java new file mode 100644 index 0000000000..66f6dd640d --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/impl/JSONRPCBindingImpl.java @@ -0,0 +1,79 @@ +/* + * 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.jsonrpc.impl; + +import java.util.Collections; +import java.util.List; + +import org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBinding; +import org.apache.tuscany.sca.policy.Intent; +import org.apache.tuscany.sca.policy.PolicySet; + + +/** + * Implementation of the JSONRPC binding model. + * + * @version $Rev$ $Date$ + */ +public class JSONRPCBindingImpl implements JSONRPCBinding { + + private String name; + private String uri; + + public String getName() { + return name; + } + + public String getURI() { + return uri; + } + + public void setName(String name) { + this.name = name; + } + + public void setURI(String uri) { + this.uri = uri; + } + + public List<PolicySet> getPolicySets() { + // The sample binding does not support policies + return Collections.emptyList(); + } + + public List<Intent> getRequiredIntents() { + // The sample binding does not support policies + return Collections.emptyList(); + } + + public List<Object> getExtensions() { + // The sample binding does not support extensions + return Collections.emptyList(); + } + + public boolean isUnresolved() { + return false; + } + + public void setUnresolved(boolean unresolved) { + // The sample binding is always resolved + } + +} diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/impl/JSONRPCBindingProcessor.java b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/impl/JSONRPCBindingProcessor.java new file mode 100644 index 0000000000..1ff888ace6 --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/impl/JSONRPCBindingProcessor.java @@ -0,0 +1,75 @@ +/* + * 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.jsonrpc.impl; + +import static org.osoa.sca.Constants.SCA_NS; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBinding; +import org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBindingFactory; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; + + +/** + * A processor for <binding.jsonrpc> elements. + * + * @version $Rev$ $Date$ + */ +public class JSONRPCBindingProcessor implements StAXArtifactProcessor<JSONRPCBinding> { + + private QName BINDING_JSONRPC = new QName(SCA_NS, "binding.jsonrpc"); + + private final JSONRPCBindingFactory factory; + + public JSONRPCBindingProcessor(JSONRPCBindingFactory factory) { + this.factory = factory; + } + + public QName getArtifactType() { + return BINDING_JSONRPC; + } + + public Class<JSONRPCBinding> getModelType() { + return JSONRPCBinding.class; + } + + public JSONRPCBinding read(XMLStreamReader reader) throws ContributionReadException { + String uri = reader.getAttributeValue(null, "uri"); + JSONRPCBinding JSONRPCBinding = factory.createJSONRPCBinding(); + if (uri != null) { + JSONRPCBinding.setURI(uri.trim()); + } + return JSONRPCBinding; + } + + public void write(JSONRPCBinding JSONRPCBinding, XMLStreamWriter writer) throws ContributionWriteException { + } + + public void resolve(JSONRPCBinding JSONRPCBinding, ModelResolver resolver) throws ContributionResolveException { + } + +} diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/module/JSONRPCModuleActivator.java b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/module/JSONRPCModuleActivator.java new file mode 100644 index 0000000000..3475a31923 --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/module/JSONRPCModuleActivator.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.jsonrpc.module; + +import org.apache.tuscany.sca.binding.jsonrpc.DefaultJSONRPCBindingFactory; +import org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBindingFactory; +import org.apache.tuscany.sca.binding.jsonrpc.impl.JSONRPCBindingProcessor; +import org.apache.tuscany.sca.binding.jsonrpc.provider.JSONRPCBindingProviderFactory; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.ModuleActivator; +import org.apache.tuscany.sca.http.ServletHost; +import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; + +/** + * A module activator for the JSONRPC binding extension. + * + * @version $Rev$ $Date$ + */ +public class JSONRPCModuleActivator implements ModuleActivator { + + public Object[] getExtensionPoints() { + // No extensionPoints being contributed here + return null; + } + + public void start(ExtensionPointRegistry registry) { + + // Create the JSONRPC model factory + JSONRPCBindingFactory JSONRPCFactory = new DefaultJSONRPCBindingFactory(); + + // Add the JSONRPCProcessor extension + StAXArtifactProcessorExtensionPoint processors = registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + JSONRPCBindingProcessor JSONRPCBindingProcessor = new JSONRPCBindingProcessor(JSONRPCFactory); + processors.addArtifactProcessor(JSONRPCBindingProcessor); + + ProviderFactoryExtensionPoint providerFactories = registry.getExtensionPoint(ProviderFactoryExtensionPoint.class); + ServletHost servletHost = registry.getExtensionPoint(ServletHost.class); + providerFactories.addProviderFactory(new JSONRPCBindingProviderFactory(servletHost)); + } + + public void stop(ExtensionPointRegistry registry) { + } + +} diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCBindingInvoker.java b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCBindingInvoker.java new file mode 100644 index 0000000000..ade2603516 --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCBindingInvoker.java @@ -0,0 +1,50 @@ +/* + * 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.jsonrpc.provider; + +import java.lang.reflect.InvocationTargetException; + +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; + +/** + * Interceptor for the sample JSONRPC binding. + * + * @version $Rev$ $Date$ + */ +public class JSONRPCBindingInvoker implements Invoker { + + private Object echo(Object[] args) throws InvocationTargetException { + // echo back the result, a real binding would invoke some API for flowing the request + return args[0]; + } + + public Message invoke(Message msg) { + try { + Object resp = echo((Object[])msg.getBody()); + msg.setBody(resp); + } catch (InvocationTargetException e) { + msg.setFaultBody(e.getCause()); + } catch (Throwable e) { + msg.setFaultBody(e); + } + return msg; + } + +} diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCBindingProviderFactory.java b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCBindingProviderFactory.java new file mode 100644 index 0000000000..4bbf39e02c --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCBindingProviderFactory.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.binding.jsonrpc.provider; + +import org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBinding; +import org.apache.tuscany.sca.http.ServletHost; +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; + + + +/** + * Implementation of the JSONRPC binding model. + * + * @version $Rev$ $Date$ + */ +public class JSONRPCBindingProviderFactory implements BindingProviderFactory<JSONRPCBinding> { + + ServletHost servletHost; + + public JSONRPCBindingProviderFactory(ServletHost servletHost) { + this.servletHost = servletHost; + } + + public ReferenceBindingProvider createReferenceBindingProvider(RuntimeComponent component, RuntimeComponentReference reference, JSONRPCBinding binding) { + return new JSONRPCReferenceBindingProvider(component, reference, binding); + } + + public ServiceBindingProvider createServiceBindingProvider(RuntimeComponent component, RuntimeComponentService service, JSONRPCBinding binding) { + return new JSONRPCServiceBindingProvider(component, service, binding, servletHost); + } + + public Class<JSONRPCBinding> getModelType() { + return JSONRPCBinding.class; + } +} diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCReferenceBindingProvider.java b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCReferenceBindingProvider.java new file mode 100644 index 0000000000..c8e43d824a --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCReferenceBindingProvider.java @@ -0,0 +1,64 @@ +/* + * 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.jsonrpc.provider; + +import org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBinding; +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; + + +/** + * Implementation of the JSONRPC binding provider. + * + * @version $Rev$ $Date$ + */ +public class JSONRPCReferenceBindingProvider implements ReferenceBindingProvider { + + private RuntimeComponentReference reference; + + public JSONRPCReferenceBindingProvider(RuntimeComponent component, + RuntimeComponentReference reference, + JSONRPCBinding binding) { + this.reference = reference; + } + + public Invoker createInvoker(Operation operation, boolean isCallback) { + if (isCallback) { + throw new UnsupportedOperationException(); + } else { + return new JSONRPCBindingInvoker(); + } + } + + public InterfaceContract getBindingInterfaceContract() { + return reference.getInterfaceContract(); + } + + public void start() { + } + + public void stop() { + } + +} diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceBindingProvider.java b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceBindingProvider.java new file mode 100644 index 0000000000..be593baa97 --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceBindingProvider.java @@ -0,0 +1,106 @@ +/* + * 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.jsonrpc.provider; + +import org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBinding; +import org.apache.tuscany.sca.binding.jsonrpc.server.JSONRPCEntryPointServlet; +import org.apache.tuscany.sca.binding.jsonrpc.server.JSONRPCScriptServlet; +import org.apache.tuscany.sca.http.ServletHost; +import org.apache.tuscany.sca.interfacedef.Interface; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + +/** + * Implementation of the JSONRPC binding provider. + * + * @version $Rev$ $Date$ + */ +public class JSONRPCServiceBindingProvider implements ServiceBindingProvider { + + private static int servletRegistrationCount = 0; + private RuntimeComponent component; + private RuntimeComponentService service; + private JSONRPCBinding binding; + private ServletHost servletHost; + + // path to the JSONRPC javascript servlet + public static final String SCRIPT_GETTER_SERVICE_MAPPING = "/SCA/scripts"; + + public static final String JSONRPC_SERVICE_MAPPING_PREFIX = "/"; + + public JSONRPCServiceBindingProvider(RuntimeComponent component, + RuntimeComponentService service, + JSONRPCBinding binding, + ServletHost servletHost) { + this.component = component; + this.service = service; + this.binding = binding; + this.servletHost = servletHost; + } + + public InterfaceContract getBindingInterfaceContract() { + return service.getInterfaceContract(); + } + + public void start() { + JSONRPCEntryPointServlet servlet; + + Class<?> aClass = getTargetJavaClass(service.getInterfaceContract().getInterface()); + Object instance = component.createSelfReference(aClass).getService(); + + servlet = new JSONRPCEntryPointServlet(binding.getName(), aClass, instance); + + // register the servlet based on the service name + servletHost.addServletMapping(JSONRPC_SERVICE_MAPPING_PREFIX + binding.getName(), servlet); + + // if the script getter servlet is not already registered then register + // it + if (servletRegistrationCount == 0) { + servletHost.addServletMapping(SCRIPT_GETTER_SERVICE_MAPPING, new JSONRPCScriptServlet()); + } + + // increase the registered servlet count + servletRegistrationCount++; + } + + public void stop() { + + // Unregister from the servlet mapping + servletHost.removeServletMapping(JSONRPC_SERVICE_MAPPING_PREFIX + binding.getName()); + servletRegistrationCount--; + // if we unregistered the last JSONRPC servlet, then unreister the + // script servlet + if (servletRegistrationCount == 0) { + servletHost.removeServletMapping(SCRIPT_GETTER_SERVICE_MAPPING); + } + } + + private Class<?> getTargetJavaClass(Interface targetInterface) { + // TODO: right now assume that the target is always a Java + // Implementation. Need to figure out + // how to generate Java Interface in cases where the target is not a + // Java Implementation + return ((JavaInterface)targetInterface).getJavaClass(); + } + +} diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/server/JSONRPCEntryPointServlet.java b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/server/JSONRPCEntryPointServlet.java new file mode 100644 index 0000000000..cab8965f90 --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/server/JSONRPCEntryPointServlet.java @@ -0,0 +1,150 @@ +/* + * 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.jsonrpc.server; + +import java.io.BufferedReader; +import java.io.CharArrayWriter; +import java.io.IOException; +import java.io.InputStreamReader; +import java.io.OutputStream; +import java.text.ParseException; + +import javax.servlet.ServletConfig; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.servlet.http.HttpSession; + +import org.apache.tuscany.sca.binding.jsonrpc.util.JavaToSmd; +import org.json.JSONObject; + +import com.metaparadigm.jsonrpc.JSONRPCBridge; +import com.metaparadigm.jsonrpc.JSONRPCResult; +import com.metaparadigm.jsonrpc.JSONRPCServlet; + +/** + * + * + */ +public class JSONRPCEntryPointServlet extends JSONRPCServlet { + private static final long serialVersionUID = 1L; + + private static final int BUF_SIZE = 4096; + + String serviceName; + + Object serviceInstance; + + Class<?> serviceInterface; + + // default constructor for unit testing + public JSONRPCEntryPointServlet() { + } + + public JSONRPCEntryPointServlet(String serviceName, Class<?> serviceInterface, Object serviceInstance) { + this.serviceName = serviceName; + this.serviceInterface = serviceInterface; + this.serviceInstance = serviceInstance; + } + + /** + * Override to do nothing as the JSONRPCServlet is setup by the + * service method in this class. + */ + @Override + public void init(ServletConfig config) { + } + + @Override + public void service(HttpServletRequest request, HttpServletResponse response) + throws IOException, ClassCastException { + + // if there is a smd parameter, we should retrun the SMD for this service + if (request.getParameter("smd") != null) { + String serviceUrl = request.getRequestURL().toString(); + String smd = JavaToSmd.interfaceToSmd(serviceInterface, serviceUrl); + + response.setContentType("text/plain;charset=utf-8"); + OutputStream out = response.getOutputStream(); + byte[] bout = smd.getBytes("UTF-8"); + + out.write(bout); + out.flush(); + out.close(); + } else { + /* + * Create a new bridge for every request to aviod all the problems with + * JSON-RPC-Java storing the bridge in the session + */ + HttpSession session = request.getSession(); + + JSONRPCBridge jsonrpcBridge = new JSONRPCBridge(); + jsonrpcBridge.registerObject(serviceName, serviceInstance, serviceInterface); + session.setAttribute("JSONRPCBridge", jsonrpcBridge); + + // Encode using UTF-8, although We are actually ASCII clean as + // all unicode data is JSON escaped using backslash u. This is + // less data efficient for foreign character sets but it is + // needed to support naughty browsers such as Konqueror and Safari + // which do not honour the charset set in the response + response.setContentType("text/plain;charset=utf-8"); + OutputStream out = response.getOutputStream(); + + // Decode using the charset in the request if it exists otherwise + // use UTF-8 as this is what all browser implementations use. + // The JSON-RPC-Java JavaScript client is ASCII clean so it + // although here we can correctly handle data from other clients + // that do not escape non ASCII data + String charset = request.getCharacterEncoding(); + if (charset == null) { + charset = "UTF-8"; + } + BufferedReader in = new BufferedReader(new InputStreamReader(request.getInputStream(), charset)); + + // Read the request + CharArrayWriter data = new CharArrayWriter(); + char buf[] = new char[BUF_SIZE]; + int ret; + while ((ret = in.read(buf, 0, BUF_SIZE)) != -1) { + data.write(buf, 0, ret); + } + + // Process the request + JSONObject jsonReq = null; + JSONRPCResult jsonResp = null; + try { + jsonReq = new JSONObject(data.toString()); + String method = jsonReq.getString("method"); + if ((method != null) && (method.indexOf('.') < 0)) { + jsonReq.putOpt("method", serviceName + "." + method); + } + jsonResp = jsonrpcBridge.call(new Object[] {request}, jsonReq); + } catch (ParseException e) { + throw new RuntimeException("Unable to parse request", e); + } + + byte[] bout = jsonResp.toString().getBytes("UTF-8"); + + out.write(bout); + out.flush(); + out.close(); + + } + } + +} diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/server/JSONRPCScriptServlet.java b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/server/JSONRPCScriptServlet.java new file mode 100644 index 0000000000..0fff49100e --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/server/JSONRPCScriptServlet.java @@ -0,0 +1,52 @@ +/* + * 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.jsonrpc.server; + +import java.io.IOException; +import java.io.InputStream; +import java.net.URL; + +import javax.servlet.ServletOutputStream; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +public class JSONRPCScriptServlet extends HttpServlet { + + private static final long serialVersionUID = 1L; + + // private static final String SCA_INIT_JS = "SCA = new JSONRpcClient(\"serviceBindings/HelloWorldService\");"; + + public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException { + URL url = getClass().getResource("jsonrpc.js"); + InputStream is = url.openStream(); + writeToStream(response, is); + + // writeToStream(response, new ByteArrayInputStream(SCA_INIT_JS.getBytes())); + } + + private void writeToStream(HttpServletResponse response, InputStream is) throws IOException { + ServletOutputStream os = response.getOutputStream(); + int i; + while ((i = is.read()) != -1) { // NOPMD + os.write(i); + } + } + +} diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/util/JavaToSmd.java b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/util/JavaToSmd.java new file mode 100644 index 0000000000..339aca376c --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/util/JavaToSmd.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.binding.jsonrpc.util;
+
+import java.lang.reflect.Method;
+
+
+public class JavaToSmd {
+
+ public static String interfaceToSmd(Class klazz, String serviceUrl) {
+ String name = klazz.getSimpleName();
+ Method methods[] = klazz.getMethods();
+
+ StringBuffer smdSb = new StringBuffer();
+ smdSb.append("{\"SMDVersion\":\".1\",\"objectName\":\"" + name + "\",\"serviceType\":\"JSON-RPC\",\"serviceURL\":\""+ serviceUrl + "\",\"methods\":[");
+ for (int i = 0; i < methods.length; i++) {
+ if (i != 0) smdSb.append(",");
+ Class<?> params[] = methods[i].getParameterTypes();
+ smdSb.append("{\"name\":\""+methods[i].getName() + "\",\"parameters\":[");
+ for (int j = 0; j < params.length; j++) {
+ if (j != 0) smdSb.append(",");
+ // right now Dojo doesn't look at the type value, so we'll default it to STRING
+ // also, since we can't introspect the method paramater names we'll just create an incrementing parameter name
+ smdSb.append("{\"name\":\"param" + j + "\",\"type\":\"STRING\"}");
+ }
+ smdSb.append("]}");
+ }
+ smdSb.append("]}");
+
+ return smdSb.toString();
+ }
+
+}
diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/resources/JSONRPCBinding.composite b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/resources/JSONRPCBinding.composite new file mode 100644 index 0000000000..38a596ecf9 --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/resources/JSONRPCBinding.composite @@ -0,0 +1,34 @@ +<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+ targetNamespace="http://jsonrpc"
+ xmlns:jsonrpc="http://jsonrpc"
+ name="JSONRPCBinding">
+
+ <service name="EchoService" promote="EchoComponent">
+ <interface.java interface="org.apache.tuscany.sca.binding.jsonrpc.Echo"/>
+ <binding.jsonrpc />
+ </service>
+
+ <component name="EchoComponent">
+ <implementation.java class="org.apache.tuscany.sca.binding.jsonrpc.EchoComponentImpl"/>
+ </component>
+
+</composite>
diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivator b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivator new file mode 100644 index 0000000000..c4fa1f5de1 --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivator @@ -0,0 +1,18 @@ +# 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.
+# Implementation class for the ExtensionActivator
+org.apache.tuscany.sca.binding.jsonrpc.module.JSONRPCModuleActivator
diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/resources/org/apache/tuscany/sca/binding/jsonrpc/server/jsonrpc.js b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/resources/org/apache/tuscany/sca/binding/jsonrpc/server/jsonrpc.js new file mode 100644 index 0000000000..2b9efbb55c --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/main/resources/org/apache/tuscany/sca/binding/jsonrpc/server/jsonrpc.js @@ -0,0 +1,484 @@ +/* + * JSON-RPC JavaScript client + * + * $Id: jsonrpc.js,v 1.36.2.3 2006/03/08 15:09:37 mclark Exp $ + * + * Copyright (c) 2003-2004 Jan-Klaas Kollhof + * Copyright (c) 2005 Michael Clark, Metaparadigm Pte Ltd + * + * This code is based on Jan-Klaas' JavaScript o lait library (jsolait). + * + * Licensed 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. + * + */ + + +/* escape a character */ + +escapeJSONChar = +function escapeJSONChar(c) +{ + if(c == "\"" || c == "\\") return "\\" + c; + else if (c == "\b") return "\\b"; + else if (c == "\f") return "\\f"; + else if (c == "\n") return "\\n"; + else if (c == "\r") return "\\r"; + else if (c == "\t") return "\\t"; + var hex = c.charCodeAt(0).toString(16); + if(hex.length == 1) return "\\u000" + hex; + else if(hex.length == 2) return "\\u00" + hex; + else if(hex.length == 3) return "\\u0" + hex; + else return "\\u" + hex; +}; + + +/* encode a string into JSON format */ + +escapeJSONString = +function escapeJSONString(s) +{ + /* The following should suffice but Safari's regex is b0rken + (doesn't support callback substitutions) + return "\"" + s.replace(/([^\u0020-\u007f]|[\\\"])/g, + escapeJSONChar) + "\""; + */ + + /* Rather inefficient way to do it */ + var parts = s.split(""); + for(var i=0; i < parts.length; i++) { + var c =parts[i]; + if(c == '"' || + c == '\\' || + c.charCodeAt(0) < 32 || + c.charCodeAt(0) >= 128) + parts[i] = escapeJSONChar(parts[i]); + } + return "\"" + parts.join("") + "\""; +}; + + +/* Marshall objects to JSON format */ + +toJSON = function toJSON(o) +{ + if(o == null) { + return "null"; + } else if(o.constructor == String) { + return escapeJSONString(o); + } else if(o.constructor == Number) { + return o.toString(); + } else if(o.constructor == Boolean) { + return o.toString(); + } else if(o.constructor == Date) { + return '{javaClass: "java.util.Date", time: ' + o.valueOf() +'}'; + } else if(o.constructor == Array) { + var v = []; + for(var i = 0; i < o.length; i++) v.push(toJSON(o[i])); + return "[" + v.join(", ") + "]"; + } else { + var v = []; + for(attr in o) { + if(o[attr] == null) v.push("\"" + attr + "\": null"); + else if(typeof o[attr] == "function"); /* skip */ + else v.push(escapeJSONString(attr) + ": " + toJSON(o[attr])); + } + return "{" + v.join(", ") + "}"; + } +}; + + +/* JSONRpcClient constructor */ + +JSONRpcClient = +function JSONRpcClient_ctor(serverURL, user, pass, objectID) +{ + this.serverURL = serverURL; + this.user = user; + this.pass = pass; + this.objectID = objectID; + + /* Add standard methods */ + if(this.objectID) { + this._addMethods(["listMethods"]); + var req = this._makeRequest("listMethods", []); + } else { + this._addMethods(["system.listMethods"]); + var req = this._makeRequest("system.listMethods", []); + } + var m = this._sendRequest(req); + this._addMethods(m); +}; + + +/* JSONRpcCLient.Exception */ + +JSONRpcClient.Exception = +function JSONRpcClient_Exception_ctor(code, message, javaStack) +{ + this.code = code; + var name; + if(javaStack) { + this.javaStack = javaStack; + var m = javaStack.match(/^([^:]*)/); + if(m) name = m[0]; + } + if(name) this.name = name; + else this.name = "JSONRpcClientException"; + this.message = message; +}; + +JSONRpcClient.Exception.CODE_REMOTE_EXCEPTION = 490; +JSONRpcClient.Exception.CODE_ERR_CLIENT = 550; +JSONRpcClient.Exception.CODE_ERR_PARSE = 590; +JSONRpcClient.Exception.CODE_ERR_NOMETHOD = 591; +JSONRpcClient.Exception.CODE_ERR_UNMARSHALL = 592; +JSONRpcClient.Exception.CODE_ERR_MARSHALL = 593; + +JSONRpcClient.Exception.prototype = new Error(); + +JSONRpcClient.Exception.prototype.toString = +function JSONRpcClient_Exception_toString(code, msg) +{ + return this.name + ": " + this.message; +}; + + +/* Default top level exception handler */ + +JSONRpcClient.default_ex_handler = +function JSONRpcClient_default_ex_handler(e) { alert(e); }; + + +/* Client settable variables */ + +JSONRpcClient.toplevel_ex_handler = JSONRpcClient.default_ex_handler; +JSONRpcClient.profile_async = false; +JSONRpcClient.max_req_active = 1; +JSONRpcClient.requestId = 1; + + +/* JSONRpcClient implementation */ + +JSONRpcClient.prototype._createMethod = +function JSONRpcClient_createMethod(methodName) +{ + var fn=function() + { + var args = []; + var callback = null; + for(var i=0;i<arguments.length;i++) args.push(arguments[i]); + if(typeof args[0] == "function") callback = args.shift(); + var req = fn.client._makeRequest.call(fn.client, fn.methodName, + args, callback); + if(callback == null) { + return fn.client._sendRequest.call(fn.client, req); + } else { + JSONRpcClient.async_requests.push(req); + JSONRpcClient.kick_async(); + return req.requestId; + } + }; + fn.client = this; + fn.methodName = methodName; + return fn; +}; + +JSONRpcClient.prototype._addMethods = +function JSONRpcClient_addMethods(methodNames) +{ + for(var i=0; i<methodNames.length; i++) { + var obj = this; + var names = methodNames[i].split("."); + for(var n=0; n<names.length-1; n++) { + var name = names[n]; + if(obj[name]) { + obj = obj[name]; + } else { + obj[name] = new Object(); + obj = obj[name]; + } + } + var name = names[names.length-1]; + if(!obj[name]) { + var method = this._createMethod(methodNames[i]); + obj[name] = method; + } + } +}; + +JSONRpcClient._getCharsetFromHeaders = +function JSONRpcClient_getCharsetFromHeaders(http) +{ + try { + var contentType = http.getResponseHeader("Content-type"); + var parts = contentType.split(/\s*;\s*/); + for(var i =0; i < parts.length; i++) { + if(parts[i].substring(0, 8) == "charset=") + return parts[i].substring(8, parts[i].length); + } + } catch (e) {} + return "UTF-8"; /* default */ +}; + +/* Async queue globals */ +JSONRpcClient.async_requests = []; +JSONRpcClient.async_inflight = {}; +JSONRpcClient.async_responses = []; +JSONRpcClient.async_timeout = null; +JSONRpcClient.num_req_active = 0; + +JSONRpcClient._async_handler = +function JSONRpcClient_async_handler() +{ + JSONRpcClient.async_timeout = null; + + while(JSONRpcClient.async_responses.length > 0) { + var res = JSONRpcClient.async_responses.shift(); + if(res.canceled) continue; + if(res.profile) res.profile.dispatch = new Date(); + try { + res.cb(res.result, res.ex, res.profile); + } catch(e) { + JSONRpcClient.toplevel_ex_handler(e); + } + } + + while(JSONRpcClient.async_requests.length > 0 && + JSONRpcClient.num_req_active < JSONRpcClient.max_req_active) { + var req = JSONRpcClient.async_requests.shift(); + if(req.canceled) continue; + req.client._sendRequest.call(req.client, req); + } +}; + +JSONRpcClient.kick_async = +function JSONRpcClient_kick_async() +{ + if(JSONRpcClient.async_timeout == null) + JSONRpcClient.async_timeout = + setTimeout(JSONRpcClient._async_handler, 0); +}; + +JSONRpcClient.cancelRequest = +function JSONRpcClient_cancelRequest(requestId) +{ + /* If it is in flight then mark it as canceled in the inflight map + and the XMLHttpRequest callback will discard the reply. */ + if(JSONRpcClient.async_inflight[requestId]) { + JSONRpcClient.async_inflight[requestId].canceled = true; + return true; + } + + /* If its not in flight yet then we can just mark it as canceled in + the the request queue and it will get discarded before being sent. */ + for(var i in JSONRpcClient.async_requests) { + if(JSONRpcClient.async_requests[i].requestId == requestId) { + JSONRpcClient.async_requests[i].canceled = true; + return true; + } + } + + /* It may have returned from the network and be waiting for its callback + to be dispatched, so mark it as canceled in the response queue + and the response will get discarded before calling the callback. */ + for(var i in JSONRpcClient.async_responses) { + if(JSONRpcClient.async_responses[i].requestId == requestId) { + JSONRpcClient.async_responses[i].canceled = true; + return true; + } + } + + return false; +}; + +JSONRpcClient.prototype._makeRequest = +function JSONRpcClient_makeRequest(methodName, args, cb) +{ + var req = {}; + req.client = this; + req.requestId = JSONRpcClient.requestId++; + + var obj = {}; + obj.id = req.requestId; + if (this.objectID) + obj.method = ".obj#" + this.objectID + "." + methodName; + else + obj.method = methodName; + obj.params = args; + + if (cb) req.cb = cb; + if (JSONRpcClient.profile_async) + req.profile = { "submit": new Date() }; + req.data = toJSON(obj); + + return req; +}; + +JSONRpcClient.prototype._sendRequest = +function JSONRpcClient_sendRequest(req) +{ + if(req.profile) req.profile.start = new Date(); + + /* Get free http object from the pool */ + var http = JSONRpcClient.poolGetHTTPRequest(); + JSONRpcClient.num_req_active++; + + /* Send the request */ + if (typeof(this.user) == "undefined") { + http.open("POST", this.serverURL, (req.cb != null)); + } else { + http.open("POST", this.serverURL, (req.cb != null), this.user, this.pass); + } + + /* setRequestHeader is missing in Opera 8 Beta */ + try { http.setRequestHeader("Content-type", "text/plain"); } catch(e) {} + + /* Construct call back if we have one */ + if(req.cb) { + var self = this; + http.onreadystatechange = function() { + if(http.readyState == 4) { + http.onreadystatechange = function () {}; + var res = { "cb": req.cb, "result": null, "ex": null}; + if (req.profile) { + res.profile = req.profile; + res.profile.end = new Date(); + } + try { res.result = self._handleResponse(http); } + catch(e) { res.ex = e; } + if(!JSONRpcClient.async_inflight[req.requestId].canceled) + JSONRpcClient.async_responses.push(res); + delete JSONRpcClient.async_inflight[req.requestId]; + JSONRpcClient.kick_async(); + } + }; + } else { + http.onreadystatechange = function() {}; + } + + JSONRpcClient.async_inflight[req.requestId] = req; + + try { + http.send(req.data); + } catch(e) { + JSONRpcClient.poolReturnHTTPRequest(http); + JSONRpcClient.num_req_active--; + throw new JSONRpcClient.Exception + (JSONRpcClient.Exception.CODE_ERR_CLIENT, "Connection failed"); + } + + if(!req.cb) return this._handleResponse(http); +}; + +JSONRpcClient.prototype._handleResponse = +function JSONRpcClient_handleResponse(http) +{ + /* Get the charset */ + if(!this.charset) { + this.charset = JSONRpcClient._getCharsetFromHeaders(http); + } + + /* Get request results */ + var status, statusText, data; + try { + status = http.status; + statusText = http.statusText; + data = http.responseText; + } catch(e) { + JSONRpcClient.poolReturnHTTPRequest(http); + JSONRpcClient.num_req_active--; + JSONRpcClient.kick_async(); + throw new JSONRpcClient.Exception + (JSONRpcClient.Exception.CODE_ERR_CLIENT, "Connection failed"); + } + + /* Return http object to the pool; */ + JSONRpcClient.poolReturnHTTPRequest(http); + JSONRpcClient.num_req_active--; + + /* Unmarshall the response */ + if(status != 200) { + throw new JSONRpcClient.Exception(status, statusText); + } + var obj; + try { + eval("obj = " + data); + } catch(e) { + throw new JSONRpcClient.Exception(550, "error parsing result"); + } + if(obj.error) + throw new JSONRpcClient.Exception(obj.error.code, obj.error.msg, + obj.error.trace); + var res = obj.result; + + /* Handle CallableProxy */ + if(res && res.objectID && res.JSONRPCType == "CallableReference") + return new JSONRpcClient(this.serverURL, this.user, + this.pass, res.objectID); + + return res; +}; + + +/* XMLHttpRequest wrapper code */ + +/* XMLHttpRequest pool globals */ +JSONRpcClient.http_spare = []; +JSONRpcClient.http_max_spare = 8; + +JSONRpcClient.poolGetHTTPRequest = +function JSONRpcClient_pool_getHTTPRequest() +{ + if(JSONRpcClient.http_spare.length > 0) { + return JSONRpcClient.http_spare.pop(); + } + return JSONRpcClient.getHTTPRequest(); +}; + +JSONRpcClient.poolReturnHTTPRequest = +function JSONRpcClient_poolReturnHTTPRequest(http) +{ + if(JSONRpcClient.http_spare.length >= JSONRpcClient.http_max_spare) + delete http; + else + JSONRpcClient.http_spare.push(http); +}; + +JSONRpcClient.msxmlNames = [ "MSXML2.XMLHTTP.5.0", + "MSXML2.XMLHTTP.4.0", + "MSXML2.XMLHTTP.3.0", + "MSXML2.XMLHTTP", + "Microsoft.XMLHTTP" ]; + +JSONRpcClient.getHTTPRequest = +function JSONRpcClient_getHTTPRequest() +{ + /* Mozilla XMLHttpRequest */ + try { + JSONRpcClient.httpObjectName = "XMLHttpRequest"; + return new XMLHttpRequest(); + } catch(e) {} + + /* Microsoft MSXML ActiveX */ + for (var i=0;i < JSONRpcClient.msxmlNames.length; i++) { + try { + JSONRpcClient.httpObjectName = JSONRpcClient.msxmlNames[i]; + return new ActiveXObject(JSONRpcClient.msxmlNames[i]); + } catch (e) {} + } + + /* None found */ + JSONRpcClient.httpObjectName = null; + throw new JSONRpcClient.Exception(0, "Can't create XMLHttpRequest object"); +}; + diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/test/java/org/apache/tuscany/sca/binding/jsonrpc/Echo.java b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/test/java/org/apache/tuscany/sca/binding/jsonrpc/Echo.java new file mode 100644 index 0000000000..584228abde --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/test/java/org/apache/tuscany/sca/binding/jsonrpc/Echo.java @@ -0,0 +1,29 @@ +/* + * 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.jsonrpc; + +/** + * Interface of our sample JSONRPC service. + * + * @version $Rev$ $Date$ + */ +public interface Echo { + + String echo(String msg); +} diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/test/java/org/apache/tuscany/sca/binding/jsonrpc/EchoComponentImpl.java b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/test/java/org/apache/tuscany/sca/binding/jsonrpc/EchoComponentImpl.java new file mode 100644 index 0000000000..e63cafd6a6 --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/test/java/org/apache/tuscany/sca/binding/jsonrpc/EchoComponentImpl.java @@ -0,0 +1,34 @@ +/* + * 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.jsonrpc; + + + +/** + * A simple client component that uses a reference with an JSONRPC binding. + * + * @version $Rev$ $Date$ + */ +public class EchoComponentImpl implements Echo { + + public String echo(String msg) { + System.out.println("Echo: "+ msg); + return "echo: " + msg; + } +} diff --git a/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/test/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCServiceTestCase.java b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/test/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCServiceTestCase.java new file mode 100644 index 0000000000..898807c7ef --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/binding-jsonrpc/src/test/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCServiceTestCase.java @@ -0,0 +1,63 @@ +/*
+ * 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.jsonrpc;
+
+import java.io.ByteArrayInputStream;
+
+import junit.framework.TestCase;
+
+import org.apache.tuscany.sca.host.embedded.SCADomain;
+import org.json.JSONObject;
+
+import com.meterware.httpunit.PostMethodWebRequest;
+import com.meterware.httpunit.WebConversation;
+import com.meterware.httpunit.WebRequest;
+import com.meterware.httpunit.WebResponse;
+
+/**
+ * @version $Rev: 536083 $ $Date: 2007-05-08 02:18:29 -0400 (Tue, 08 May 2007) $
+ */
+public class JSONRPCServiceTestCase extends TestCase {
+
+ private static final String SERVICE_PATH = "/EchoService";
+ private static final String SERVICE_URL = "http://localhost:8080/" + SERVICE_PATH;
+ private SCADomain domain;
+
+ protected void setUp() throws Exception {
+ domain = SCADomain.newInstance("JSONRPCBinding.composite");
+ }
+
+ protected void tearDown() throws Exception {
+ domain.close();
+ }
+
+ public void testJSONRPCBinding() throws Exception {
+ JSONObject jsonRequest = new JSONObject("{ \"method\": \"echo\", \"params\": [\"Hello JSON-RPC\"], \"id\": 1}");
+
+ WebConversation wc = new WebConversation();
+ WebRequest request = new PostMethodWebRequest( SERVICE_URL, new ByteArrayInputStream(jsonRequest.toString().getBytes("UTF-8")),"application/json");
+ WebResponse response = wc.getResource(request);
+
+ assertEquals(200, response.getResponseCode());
+ JSONObject jsonResp = new JSONObject(response.getText());
+ assertEquals("echo: Hello JSON-RPC", jsonResp.getString("result"));
+ }
+
+
+}
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