diff options
Diffstat (limited to 'java/sca/modules/binding-jsonrpc-runtime/src/main/java/org')
8 files changed, 0 insertions, 940 deletions
diff --git a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCBindingInvoker.java b/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCBindingInvoker.java deleted file mode 100644 index f3abf82520..0000000000 --- a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCBindingInvoker.java +++ /dev/null @@ -1,147 +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.jsonrpc.provider; - -import org.apache.http.HttpResponse; -import org.apache.http.HttpStatus; -import org.apache.http.client.HttpClient; -import org.apache.http.client.methods.HttpPost; -import org.apache.http.entity.StringEntity; -import org.apache.http.util.EntityUtils; -import org.apache.tuscany.sca.assembly.EndpointReference; -import org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBinding; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.DataExchangeSemantics; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.invocation.Message; -import org.json.JSONArray; -import org.json.JSONObject; - -/** - * Invoker for the JSONRPC Binding - * - * @version $Rev$ $Date$ - */ -public class JSONRPCBindingInvoker implements Invoker, DataExchangeSemantics { - private EndpointReference endpointReference; - private Operation operation; - private String uri; - - private HttpClient httpClient; - - public JSONRPCBindingInvoker(EndpointReference endpointReference, Operation operation, HttpClient httpClient) { - this.endpointReference = endpointReference; - this.operation = operation; - this.uri = ((JSONRPCBinding) endpointReference.getBinding()).getURI(); - - this.httpClient = httpClient; - } - - public Message invoke(Message msg) { - HttpPost post = null; - HttpResponse response = null; - try { - - JSONObject jsonRequest = null;; - String requestId = "1"; - Object[] args = null; - try { - // Extract the method - jsonRequest = new JSONObject(); - jsonRequest.putOpt("method", "Service" + "." + msg.getOperation().getName()); - - // Extract the arguments - args = msg.getBody(); - JSONArray array = new JSONArray(); - for (int i = 0; i < args.length; i++) { - array.put(args[i]); - } - jsonRequest.putOpt("params", array); - jsonRequest.put("id", requestId); - - } catch (Exception e) { - throw new RuntimeException("Unable to parse JSON parameter", e); - } - - post = new HttpPost(uri); - String req = jsonRequest.toString(); - StringEntity entity = new StringEntity(req, "application/json; charset\"UTF-8\""); - post.setEntity(entity); - - response = httpClient.execute(post); - - if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) { - //success - JSONObject jsonResponse = null; - try { - - jsonResponse = new JSONObject(EntityUtils.toString(response.getEntity())); - - //check requestId - if (! jsonResponse.getString("id").equalsIgnoreCase(requestId)) { - throw new RuntimeException("Invalid response id:" + requestId ); - } - - msg.setBody(jsonResponse.get("result")); - } catch (Exception e) { - //FIXME Exceptions are not handled correctly here - // They should be reported to the client JavaScript as proper - // JavaScript exceptions. - throw new RuntimeException("Unable to parse response", e); - } - } - } catch (Exception e) { - e.printStackTrace(); - msg.setFaultBody(e); - } - - return msg; - } - - private static JSONObject getJSONRequest(Message msg) { - - JSONObject jsonRequest = null;; - Object[] args = null; - Object id = null; - try { - // Extract the method - jsonRequest = new JSONObject(); - jsonRequest.putOpt("method", "Service" + "." + msg.getOperation().getName()); - - // Extract the arguments - args = msg.getBody(); - JSONArray array = new JSONArray(); - for (int i = 0; i < args.length; i++) { - array.put(args[i]); - } - jsonRequest.putOpt("params", array); - id = jsonRequest.put("id", "1"); - - } catch (Exception e) { - throw new RuntimeException("Unable to parse JSON parameter", e); - } - - return jsonRequest; - } - - public boolean allowsPassByReference() { - return true; - } -} diff --git a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCBindingProviderFactory.java b/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCBindingProviderFactory.java deleted file mode 100644 index 2a1fa8ba6b..0000000000 --- a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCBindingProviderFactory.java +++ /dev/null @@ -1,65 +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.jsonrpc.provider; - -import org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBinding; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.host.http.ServletHost; -import org.apache.tuscany.sca.host.http.ServletHostExtensionPoint; -import org.apache.tuscany.sca.invocation.MessageFactory; -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.RuntimeEndpoint; -import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; - -/** - * JSON-RPC Provider Factory - * - * @version $Rev$ $Date$ - */ -public class JSONRPCBindingProviderFactory implements BindingProviderFactory<JSONRPCBinding> { - - private MessageFactory messageFactory; - private ServletHost servletHost; - - public JSONRPCBindingProviderFactory(ExtensionPointRegistry extensionPoints) { - ServletHostExtensionPoint servletHosts = extensionPoints.getExtensionPoint(ServletHostExtensionPoint.class); - this.servletHost = servletHosts.getServletHosts().get(0); - - FactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class); - messageFactory = modelFactories.getFactory(MessageFactory.class); - } - - public ReferenceBindingProvider createReferenceBindingProvider(RuntimeEndpointReference endpointReference) { - - return new JSONRPCReferenceBindingProvider(endpointReference); - } - - public ServiceBindingProvider createServiceBindingProvider(RuntimeEndpoint endpoint) { - return new JSONRPCServiceBindingProvider(endpoint, messageFactory, servletHost); - } - - public Class<JSONRPCBinding> getModelType() { - return JSONRPCBinding.class; - } - -} diff --git a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCClientInvoker.java b/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCClientInvoker.java deleted file mode 100644 index d25861b610..0000000000 --- a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCClientInvoker.java +++ /dev/null @@ -1,74 +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.jsonrpc.provider; - -import java.lang.reflect.Method; - -import org.apache.http.client.HttpClient; -import org.apache.tuscany.sca.assembly.EndpointReference; -import org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBinding; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.interfacedef.java.JavaOperation; -import org.apache.tuscany.sca.invocation.DataExchangeSemantics; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.invocation.Message; -import org.jabsorb.client.Client; -import org.jabsorb.client.Session; -import org.jabsorb.client.TransportRegistry; - -/** - * Invoker for the JSONRPC Binding - * - * @version $Rev$ $Date$ - */ -public class JSONRPCClientInvoker implements Invoker, DataExchangeSemantics { - private EndpointReference endpointReference; - private Operation operation; - private Method method; - private String uri; - - public JSONRPCClientInvoker(EndpointReference endpointReference, Operation operation, HttpClient httpClient) { - this.endpointReference = endpointReference; - this.operation = operation; - this.method = ((JavaOperation)operation).getJavaMethod(); - this.uri = ((JSONRPCBinding)endpointReference.getBinding()).getURI(); - } - - public Message invoke(Message msg) { - Session session = TransportRegistry.i().createSession(uri); - Client client = new Client(session); - Object proxy = client.openProxy("", method.getDeclaringClass()); - - try { - Object result = client.invoke(proxy, method, (Object[])msg.getBody()); - msg.setBody(result); - } catch (Exception e) { - msg.setFaultBody(e); - } finally { - client.closeProxy(proxy); - session.close(); - } - return msg; - } - - public boolean allowsPassByReference() { - return true; - } -} diff --git a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCDatabindingHelper.java b/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCDatabindingHelper.java deleted file mode 100644 index 3cdcb32830..0000000000 --- a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCDatabindingHelper.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.jsonrpc.provider; - -import java.util.List; - -import org.apache.tuscany.sca.databinding.javabeans.SimpleJavaDataBinding; -import org.apache.tuscany.sca.databinding.json.JSONDataBinding; -import org.apache.tuscany.sca.interfacedef.DataType; -import org.apache.tuscany.sca.interfacedef.Interface; -import org.apache.tuscany.sca.interfacedef.Operation; - -/** - * JSONRPC Binding helper class to handle setting the proper - * data binding in the interface contract for JSONRPC - * services and references - * - * @version $Rev$ $Date$ - */ -public class JSONRPCDatabindingHelper { - - @SuppressWarnings("unchecked") - static void setDataBinding(Interface interfaze) { - List<Operation> operations = interfaze.getOperations(); - for (Operation operation : operations) { - operation.setDataBinding(JSONDataBinding.NAME); - DataType<List<DataType>> inputType = operation.getInputType(); - if (inputType != null) { - List<DataType> logical = inputType.getLogical(); - for (DataType inArg : logical) { - if (!SimpleJavaDataBinding.NAME.equals(inArg.getDataBinding())) { - inArg.setDataBinding(JSONDataBinding.NAME); - } - } - } - DataType outputType = operation.getOutputType(); - if (outputType != null) { - if (!SimpleJavaDataBinding.NAME.equals(outputType.getDataBinding())) { - outputType.setDataBinding(JSONDataBinding.NAME); - } - } - } - } -} diff --git a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCReferenceBindingProvider.java b/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCReferenceBindingProvider.java deleted file mode 100644 index e5d24f1e1c..0000000000 --- a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCReferenceBindingProvider.java +++ /dev/null @@ -1,107 +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.jsonrpc.provider; - -import org.apache.http.HttpHost; -import org.apache.http.client.HttpClient; -import org.apache.http.conn.ClientConnectionManager; -import org.apache.http.conn.scheme.PlainSocketFactory; -import org.apache.http.conn.scheme.Scheme; -import org.apache.http.conn.scheme.SchemeRegistry; -import org.apache.http.impl.client.DefaultHttpClient; -import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager; -import org.apache.http.params.BasicHttpParams; -import org.apache.http.params.HttpConnectionParams; -import org.apache.http.params.HttpParams; -import org.apache.http.params.HttpProtocolParams; -import org.apache.http.protocol.HTTP; -import org.apache.tuscany.sca.assembly.EndpointReference; -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.RuntimeComponentReference; - -/** - * Implementation of the JSONRPC Binding Provider for References - * - * @version $Rev$ $Date$ - */ -public class JSONRPCReferenceBindingProvider implements ReferenceBindingProvider { - - private EndpointReference endpointReference; - private RuntimeComponentReference reference; - private InterfaceContract referenceContract; - - private HttpClient httpClient; - - public JSONRPCReferenceBindingProvider(EndpointReference endpointReference) { - - this.endpointReference = endpointReference; - this.reference = (RuntimeComponentReference) endpointReference.getReference(); - - //clone the service contract to avoid databinding issues - /* - try { - this.referenceContract = (InterfaceContract)reference.getInterfaceContract().clone(); - } catch(CloneNotSupportedException e) { - this.referenceContract = reference.getInterfaceContract(); - } - - JSONRPCDatabindingHelper.setDataBinding(referenceContract.getInterface()); - */ - - // Create an HTTP client - HttpParams defaultParameters = new BasicHttpParams(); - //defaultParameters.setIntParameter(HttpConnectionManagerParams.MAX_TOTAL_CONNECTIONS, 10); - HttpProtocolParams.setContentCharset(defaultParameters, HTTP.UTF_8); - HttpConnectionParams.setConnectionTimeout(defaultParameters, 60000); - HttpConnectionParams.setSoTimeout(defaultParameters, 60000); - - SchemeRegistry supportedSchemes = new SchemeRegistry(); - supportedSchemes.register(new Scheme(HttpHost.DEFAULT_SCHEME_NAME, PlainSocketFactory.getSocketFactory(), 80)); - - ClientConnectionManager connectionManager = new ThreadSafeClientConnManager(defaultParameters, supportedSchemes); - - httpClient = new DefaultHttpClient(connectionManager, defaultParameters); - } - - public InterfaceContract getBindingInterfaceContract() { - //return referenceContract; - return reference.getInterfaceContract(); - } - - public Invoker createInvoker(Operation operation) { - return new JSONRPCClientInvoker(endpointReference, operation, httpClient); - } - - public void start() { - // TODO Provide support for JSONRPC References - } - - public void stop() { - // TODO Provide support for JSONRPC References - } - - public boolean supportsOneWayInvocation() { - return false; - } - -} diff --git a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceBindingProvider.java b/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceBindingProvider.java deleted file mode 100644 index 10e9368936..0000000000 --- a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceBindingProvider.java +++ /dev/null @@ -1,123 +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.jsonrpc.provider; - -import java.util.ArrayList; -import java.util.List; - -import org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBinding; -import org.apache.tuscany.sca.host.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.invocation.MessageFactory; -import org.apache.tuscany.sca.provider.ServiceBindingProvider; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.apache.tuscany.sca.runtime.RuntimeComponentService; -import org.apache.tuscany.sca.runtime.RuntimeEndpoint; - - -/** - * Implementation of the JSONRPC Binding Provider for Services - * - * @version $Rev$ $Date$ - */ -public class JSONRPCServiceBindingProvider implements ServiceBindingProvider { - private MessageFactory messageFactory; - - private RuntimeEndpoint endpoint; - private RuntimeComponent component; - private RuntimeComponentService service; - private InterfaceContract serviceContract; - private JSONRPCBinding binding; - private ServletHost servletHost; - private List<String> servletMappings = new ArrayList<String>(); - - public JSONRPCServiceBindingProvider(RuntimeEndpoint endpoint, - MessageFactory messageFactory, - ServletHost servletHost) { - this.endpoint = endpoint; - this.component = (RuntimeComponent)endpoint.getComponent(); - this.service = (RuntimeComponentService)endpoint.getService(); - this.binding = (JSONRPCBinding) endpoint.getBinding(); - this.messageFactory = messageFactory; - this.servletHost = servletHost; - - //clone the service contract to avoid databinding issues - try { - this.serviceContract = (InterfaceContract)service.getInterfaceContract().clone(); - } catch(CloneNotSupportedException e) { - this.serviceContract = service.getInterfaceContract(); - } - - JSONRPCDatabindingHelper.setDataBinding(serviceContract.getInterface()); - } - - public InterfaceContract getBindingInterfaceContract() { - return serviceContract; - } - - public boolean supportsOneWayInvocation() { - return false; - } - - public void start() { - // Set default databinding to json - // serviceContract.getInterface().resetDataBinding(JSONDataBinding.NAME); - - // Determine the service business interface - Class<?> serviceInterface = getTargetJavaClass(serviceContract.getInterface()); - - // Create a Java proxy to the target service - Object proxy = component.getComponentContext().getServiceReference(serviceInterface, endpoint).getService(); - - // Create and register a Servlet for this service - JSONRPCServiceServlet serviceServlet = - new JSONRPCServiceServlet(messageFactory, endpoint, serviceInterface, proxy); - String mapping = binding.getURI(); - if (!mapping.endsWith("/")) { - mapping += "/"; - } - if (!mapping.endsWith("*")) { - mapping += "*"; - } - - servletHost.addServletMapping(mapping, serviceServlet); - servletMappings.add(mapping); - servletHost.addServletMapping(binding.getURI(), serviceServlet); - servletMappings.add(binding.getURI()); - } - - public void stop() { - - // Remove the Servlet mappings we've added - for (String mapping: servletMappings) { - servletHost.removeServletMapping(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/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceServlet.java b/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceServlet.java deleted file mode 100644 index 2b4bd2fed6..0000000000 --- a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceServlet.java +++ /dev/null @@ -1,307 +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.jsonrpc.provider; - -import java.io.BufferedReader; -import java.io.CharArrayWriter; -import java.io.IOException; -import java.io.InputStreamReader; -import java.io.OutputStream; -import java.io.UnsupportedEncodingException; -import java.util.List; - -import javax.servlet.ServletConfig; -import javax.servlet.http.HttpServletRequest; -import javax.servlet.http.HttpServletResponse; -import javax.servlet.http.HttpSession; - -import org.apache.tuscany.sca.assembly.Binding; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.Message; -import org.apache.tuscany.sca.invocation.MessageFactory; -import org.apache.tuscany.sca.runtime.RuntimeEndpoint; -import org.jabsorb.JSONRPCBridge; -import org.jabsorb.JSONRPCResult; -import org.jabsorb.JSONRPCServlet; -import org.json.JSONArray; -import org.json.JSONException; -import org.json.JSONObject; -import org.oasisopen.sca.ServiceRuntimeException; - -/** - * Servlet that handles JSON-RPC requests invoking SCA services. - * - * There is an instance of this Servlet for each <binding.jsonrpc> - * - * @version $Rev$ $Date$ - */ -public class JSONRPCServiceServlet extends JSONRPCServlet { - private static final long serialVersionUID = 1L; - - transient MessageFactory messageFactory; - - transient Binding binding; - transient String serviceName; - transient Object serviceInstance; - transient RuntimeEndpoint endpoint; - transient Class<?> serviceInterface; - - public JSONRPCServiceServlet(MessageFactory messageFactory, - RuntimeEndpoint endpoint, - Class<?> serviceInterface, - Object serviceInstance) { - this.endpoint = endpoint; - this.messageFactory = messageFactory; - this.binding = endpoint.getBinding(); - this.serviceName = binding.getName(); - 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 { - if ("smd".equals(request.getQueryString())) { - handleSMDRequest(request, response); - } else { - try { - handleServiceRequest(request, response); - - } catch(RuntimeException re) { - if (re.getCause() instanceof javax.security.auth.login.LoginException) { - response.setHeader("WWW-Authenticate", "BASIC realm=\"" + "ldap-realm" + "\""); - response.sendError(HttpServletResponse.SC_UNAUTHORIZED); - } - } finally { - HttpSession session = request.getSession(false); - if (session != null) { - session.removeAttribute("JSONRPCBridge"); - } - } - } - } - - private void handleServiceRequest(HttpServletRequest request, HttpServletResponse response) throws IOException { - // 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[4096]; - int ret; - while ((ret = in.read(buf, 0, 4096)) != -1) { - data.write(buf, 0, ret); - } - - JSONObject jsonReq = null; - String method = null; - try { - jsonReq = new JSONObject(data.toString()); - method = jsonReq.getString("method"); - } catch (Exception e) { - //FIXME Exceptions are not handled correctly here - // They should be reported to the client JavaScript as proper - // JavaScript exceptions. - throw new RuntimeException("Unable to parse request", e); - } - - - // check if it's a system request - // or a method invocation - byte[] bout; - try { - if (method.startsWith("system.")) { - bout = handleJSONRPCSystemInvocation(request, response, data.toString()); - } else { - bout = handleJSONRPCMethodInvocation(request, response, jsonReq); - } - } catch (JSONException e) { - throw new RuntimeException(e); - } - - // Send response to client - out.write(bout); - out.flush(); - out.close(); - } - - /** - * handles requests for the SMD descriptor for a service - */ - protected void handleSMDRequest(HttpServletRequest request, HttpServletResponse response) throws IOException, UnsupportedEncodingException { - 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(); - } - - protected byte[] handleJSONRPCSystemInvocation(HttpServletRequest request, HttpServletResponse response, String requestData) throws IOException, - UnsupportedEncodingException, JSONException { - /* - * Create a new bridge for every request to avoid all the problems with - * JSON-RPC-Java storing the bridge in the session - */ - HttpSession session = request.getSession(); - - JSONRPCBridge jsonrpcBridge = new JSONRPCBridge(); - jsonrpcBridge.registerObject("Service", serviceInstance, serviceInterface); - session.setAttribute("JSONRPCBridge", jsonrpcBridge); - - org.json.JSONObject jsonReq = null; - JSONRPCResult jsonResp = null; - jsonReq = new org.json.JSONObject(requestData); - - String method = jsonReq.getString("method"); - if ((method != null) && (method.indexOf('.') < 0)) { - jsonReq.putOpt("method", "Service" + "." + method); - } - - // invoke the request - jsonResp = jsonrpcBridge.call(new Object[] {request}, jsonReq); - - return jsonResp.toString().getBytes("UTF-8"); - } - - protected byte[] handleJSONRPCMethodInvocation(HttpServletRequest request, HttpServletResponse response, JSONObject jsonReq) throws IOException, - UnsupportedEncodingException { - - String method = null; - Object[] args = null; - Object id = null; - try { - // Extract the method - method = jsonReq.getString("method"); - if ((method != null) && (method.indexOf('.') < 0)) { - jsonReq.putOpt("method", "Service" + "." + method); - } - - // Extract the arguments - JSONArray array = jsonReq.getJSONArray("params"); - args = new Object[array.length()]; - for (int i = 0; i < args.length; i++) { - args[i] = array.get(i); - } - id = jsonReq.get("id"); - - } catch (Exception e) { - throw new RuntimeException("Unable to find json method name", e); - } - - // invoke the request - Operation jsonOperation = findOperation(method); - Object result = null; - - - // Invoke the get operation on the service implementation - Message requestMessage = messageFactory.createMessage(); - requestMessage.setOperation(jsonOperation); - - requestMessage.getHeaders().add(request); - - requestMessage.setBody(args); - - //result = wire.invoke(jsonOperation, args); - Message responseMessage = null; - try { - responseMessage = endpoint.getInvocationChain(jsonOperation).getHeadInvoker().invoke(requestMessage); - } catch (RuntimeException re) { - if (re.getCause() instanceof javax.security.auth.login.LoginException) { - throw re; - } else { - //some other exception - JSONRPCResult errorResult = new JSONRPCResult(JSONRPCResult.CODE_REMOTE_EXCEPTION, id, re); - return errorResult.toString().getBytes("UTF-8"); - } - } - - if (!responseMessage.isFault()) { - //successful execution of the invocation - try { - result = responseMessage.getBody(); - JSONObject jsonResponse = new JSONObject(); - jsonResponse.put("result", result); - jsonResponse.putOpt("id", id); - //get response to send to client - return jsonResponse.toString().getBytes("UTF-8"); - } catch (Exception e) { - throw new ServiceRuntimeException("Unable to create JSON response", e); - } - } else { - //exception thrown while executing the invocation - Throwable exception = (Throwable)responseMessage.getBody(); - JSONRPCResult errorResult = new JSONRPCResult(JSONRPCResult.CODE_REMOTE_EXCEPTION, id, exception ); - return errorResult.toString().getBytes("UTF-8"); - } - - } - - /** - * Find the operation from the component service contract - * @param componentService - * @param method - * @return - */ - private Operation findOperation(String method) { - if (method.contains(".")) { - method = method.substring(method.lastIndexOf(".") + 1); - } - - List<Operation> operations = endpoint.getComponentTypeServiceInterfaceContract().getInterface().getOperations(); - //componentService.getBindingProvider(binding).getBindingInterfaceContract().getInterface().getOperations(); - - - Operation result = null; - for (Operation o : operations) { - if (o.getName().equalsIgnoreCase(method)) { - result = o; - break; - } - } - - return result; - } -} diff --git a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JavaToSmd.java b/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JavaToSmd.java deleted file mode 100644 index 64339fda7b..0000000000 --- a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JavaToSmd.java +++ /dev/null @@ -1,56 +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.jsonrpc.provider; - -import java.lang.reflect.Method; - -/** - * Utility class to create a Simple Method Description (SMD) descriptor - * from a Java class. See http://dojo.jot.com/SMD. - * - * TODO: Change to work from the Tuscany Interface instead of a Java class - * - * @version $Rev$ $Date$ - */ -class JavaToSmd { - - 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 parameter names we'll just create an incrementing parameter name - smdSb.append("{\"name\":\"param" + j + "\",\"type\":\"STRING\"}"); - } - smdSb.append("]}"); - } - smdSb.append("]}"); - - return smdSb.toString(); - } - -} |