From 132aa8a77685ec92bc90c03f987650d275a7b639 Mon Sep 17 00:00:00 2001 From: lresende Date: Mon, 30 Sep 2013 06:59:11 +0000 Subject: 2.0.1 RC1 release tag git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1527464 13f79535-47bb-0310-9956-ffa450edef68 --- .../sca/binding/websocket/WebsocketBinding.java | 49 +++++++++ .../binding/websocket/WebsocketBindingFactory.java | 31 ++++++ .../sca/binding/websocket/runtime/JSONUtil.java | 106 +++++++++++++++++++ .../websocket/runtime/JavascriptGenerator.java | 113 +++++++++++++++++++++ .../runtime/JavascriptResourceServlet.java | 105 +++++++++++++++++++ .../websocket/runtime/TuscanyWebsocket.java | 85 ++++++++++++++++ .../runtime/WebsocketBindingCallback.java | 31 ++++++ .../runtime/WebsocketBindingDispatcher.java | 43 ++++++++ .../websocket/runtime/WebsocketBindingMessage.java | 50 +++++++++ .../runtime/WebsocketBindingProviderFactory.java | 57 +++++++++++ .../runtime/WebsocketCallbackInvoker.java | 59 +++++++++++ .../runtime/WebsocketConnectionManager.java | 53 ++++++++++ .../runtime/WebsocketReferenceBindingProvider.java | 60 +++++++++++ .../binding/websocket/runtime/WebsocketServer.java | 59 +++++++++++ .../runtime/WebsocketServiceBindingProvider.java | 112 ++++++++++++++++++++ .../websocket/runtime/WebsocketServiceInvoker.java | 84 +++++++++++++++ .../binding/websocket/runtime/WebsocketStatus.java | 28 +++++ 17 files changed, 1125 insertions(+) create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/WebsocketBinding.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/WebsocketBindingFactory.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/JSONUtil.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/JavascriptGenerator.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/JavascriptResourceServlet.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/TuscanyWebsocket.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketBindingCallback.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketBindingDispatcher.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketBindingMessage.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketBindingProviderFactory.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketCallbackInvoker.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketConnectionManager.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketReferenceBindingProvider.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketServer.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketServiceBindingProvider.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketServiceInvoker.java create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketStatus.java (limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany') diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/WebsocketBinding.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/WebsocketBinding.java new file mode 100644 index 0000000000..a78a6b11c2 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/WebsocketBinding.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.websocket; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.provider.BaseBindingImpl; + +/** + * Represents a binding to a Websocket service. + */ +public class WebsocketBinding extends BaseBindingImpl { + + public static final QName TYPE = new QName(SCA11_TUSCANY_NS, "binding.websocket"); + private String port; + + public WebsocketBinding() { + } + + @Override + public QName getType() { + return TYPE; + } + + public String getPort() { + return port; + } + + public void setPort(String port) { + this.port = port; + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/WebsocketBindingFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/WebsocketBindingFactory.java new file mode 100644 index 0000000000..1357bb5a7c --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/WebsocketBindingFactory.java @@ -0,0 +1,31 @@ +/* + * 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.websocket; + +/** + * Factory implementation to create Websocket models. + */ +public class WebsocketBindingFactory { + + public WebsocketBinding createWebsocketBinding() { + return new WebsocketBinding(); + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/JSONUtil.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/JSONUtil.java new file mode 100644 index 0000000000..80cbf6a6d9 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/JSONUtil.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.websocket.runtime; + +import java.util.ArrayList; +import java.util.List; + +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.Operation; + +import com.google.gson.Gson; + +/** + * Utility class to handle JSON convertions. + */ +public class JSONUtil { + + private static Gson gson = new Gson(); + + public static String encodeMessage(WebsocketBindingMessage message) { + return gson.toJson(message); + } + + public static WebsocketBindingMessage decodeMessage(String jsonMessage) { + return gson.fromJson(jsonMessage, WebsocketBindingMessage.class); + } + + public static String encodePayload(Object payload) { + return gson.toJson(payload); + } + + /** + * Convert opeartion parameters from JSON to the appropriate parameter + * types. + */ + public static Object[] decodePayloadForOperation(String jsonData, Operation operation) { + Object[] args = new Object[operation.getInputType().getLogical().size()]; + final String[] json = parseArray(jsonData); + int index = 0; + for (final DataType dataType : operation.getInputType().getLogical()) { + args[index] = gson.fromJson(json[index], dataType.getPhysical()); + index++; + } + return args; + } + + /** + * Split the JSON array containing the arguments for the opeartion in order + * to avoid converting JSON to Object[]. Converting each object separately + * to it's corresponding data type avoids type mismatch problems at service + * invocation. + */ + private static String[] parseArray(String jsonArray) { + List objects = new ArrayList(); + int bracketNum = 0; + int parNum = 0; + int quoteNum = 0; + int startPos = 1; + for (int i = 0; i < jsonArray.length(); i++) { + switch (jsonArray.charAt(i)) { + case '{': + bracketNum++; + break; + case '}': + bracketNum--; + break; + case '[': + parNum++; + break; + case ']': + parNum--; + break; + case '\"': + quoteNum++; + break; + case ',': + if ((bracketNum == 0) && (parNum == 1) && quoteNum % 2 == 0) { + objects.add(jsonArray.substring(startPos, i)); + startPos = i + 1; + } + } + } + objects.add(jsonArray.substring(startPos, jsonArray.length() - 1)); + return objects.toArray(new String[] {}); + } + + private JSONUtil() { + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/JavascriptGenerator.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/JavascriptGenerator.java new file mode 100644 index 0000000000..21b953151b --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/JavascriptGenerator.java @@ -0,0 +1,113 @@ +/* + * 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. + */ + +/* + * 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.websocket.runtime; + +import java.util.List; + +import org.apache.tuscany.sca.interfacedef.Operation; + +/** + * Generates javascript service proxies using the websocket API. This enables + * simulating SCA on the client side javascript. This is a stateful singleton. + */ +public class JavascriptGenerator { + + private final static String CONTEXT = "this.WebsocketComponentContext"; + private static final String LF = "\n"; + private static StringBuilder builder = new StringBuilder(); + + /** + * Generate javascript code for one service and all it's operations. Add + * this to the state of the generator. + */ + public static void generateServiceProxy(String component, String service, List operations, int port) { + if (builder.length() == 0) { + builder.append(CONTEXT).append("={};").append(LF); + } + builder.append("if(!" + CONTEXT + "." + component + ")" + CONTEXT + "." + component + "={};").append(LF); + builder.append(CONTEXT + "." + component + "." + service + "={};").append(LF); + for (Operation operation : operations) { + builder.append( + CONTEXT + "." + component + "." + service + "." + operation.getName() + "=" + + generateFunctionHeader(operation)).append(LF); + builder.append(generateFunctionContent(port, component, service, operation)).append(LF); + builder.append("};").append(LF); + } + } + + private static String generateFunctionHeader(Operation operation) { + String header = "function("; + for (int i = 0; i < operation.getInputType().getLogical().size(); i++) { + if (i > 0) + header += ","; + header += "p" + i; + } + header += ") {"; + return header; + } + + private static String generateFunctionContent(int port, String component, String service, Operation operation) { + String content = "sendMessage(" + port + ",'" + component + "." + service + "." + operation.getName() + "',["; + for (int i = 0; i < operation.getInputType().getLogical().size(); i++) { + if (i > 0) + content += ","; + content += "p" + i; + } + content += "]);"; + return content; + } + + /** + * Get the state of the generator. + */ + public static String getServiceProxies() { + return builder.toString(); + } + + /** + * Reset the state of the generator. + */ + public static void clear() { + builder.setLength(0); + } + + private JavascriptGenerator() { + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/JavascriptResourceServlet.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/JavascriptResourceServlet.java new file mode 100644 index 0000000000..50d68a19bc --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/JavascriptResourceServlet.java @@ -0,0 +1,105 @@ +/* + * 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. + */ + +/* + * 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.websocket.runtime; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.io.OutputStream; + +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +/** + * This servlet serves the generated javascript service proxies. + */ +public class JavascriptResourceServlet extends HttpServlet { + + private static final String WEBSOCKET_TOOLKIT_PATH = "js/TuscanyWebsocketToolkit.js"; + + private String websocketToolkit; + + @Override + protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException { + try { + resp.setContentType("text/javascript"); + OutputStream os = resp.getOutputStream(); + os.write("var Tuscany = new function() {\n".getBytes()); + os.write(getWebsocketToolkit().getBytes()); + os.write(JavascriptGenerator.getServiceProxies().getBytes()); + os.write("}\n".getBytes()); + } catch (IOException e) { + throw new RuntimeException(e); + } + } + + private String getWebsocketToolkit() { + if (websocketToolkit == null) { + websocketToolkit = getResource(WEBSOCKET_TOOLKIT_PATH); + } + return websocketToolkit; + } + + /** + * Read a resource from the disk by relative path. + */ + private String getResource(String path) { + InputStream is = getClass().getClassLoader().getResourceAsStream(path); + BufferedReader r = new BufferedReader(new InputStreamReader(is)); + StringBuilder builder = new StringBuilder(); + try { + String line = null; + while ((line = r.readLine()) != null) { + builder.append(line + "\n"); + } + } catch (IOException e) { + throw new RuntimeException(e); + } finally { + try { + r.close(); + } catch (IOException ignored) { + } + } + return builder.toString(); + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/TuscanyWebsocket.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/TuscanyWebsocket.java new file mode 100644 index 0000000000..b71ca27543 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/TuscanyWebsocket.java @@ -0,0 +1,85 @@ +/* + * 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.websocket.runtime; + +import java.io.IOException; +import java.util.UUID; + +import org.eclipse.jetty.websocket.WebSocket; + +/** + * A websocket connection handling communication between one browser client and + * *all* websocket services hosted by a server. The connection is persisted as + * long as the client is connected and communication with all services is + * multiplexed via a single websocket connection. + */ +public class TuscanyWebsocket implements WebSocket, WebSocket.OnTextMessage { + + private String id; + private Connection connection; + private WebsocketBindingDispatcher dispatcher; + + public TuscanyWebsocket(WebsocketBindingDispatcher dispatcher) { + this.dispatcher = dispatcher; + } + + @Override + public void onOpen(Connection connection) { + this.connection = connection; + this.id = UUID.randomUUID().toString(); + WebsocketConnectionManager.addConnection(this); + } + + @Override + public void onMessage(String jsonRequest) { + WebsocketBindingMessage request = JSONUtil.decodeMessage(jsonRequest); + WebsocketServiceInvoker invoker = dispatcher.dispatch(request.getOperation()); + if (invoker == null) { + throw new RuntimeException("No operation found for " + request.getOperation()); + } else { + if (!invoker.isNonBlocking()) { + WebsocketBindingMessage response = invoker.invokeSync(request); + send(response); + } else { + invoker.invokeAsync(request, this); + } + } + } + + @Override + public void onClose(int closeCode, String message) { + WebsocketConnectionManager.removeConnection(this); + } + + public void send(WebsocketBindingMessage message) { + try { + if (connection.isOpen()) { + connection.sendMessage(JSONUtil.encodeMessage(message)); + } + } catch (IOException e) { + throw new RuntimeException(e); + } + } + + public String getId() { + return id; + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketBindingCallback.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketBindingCallback.java new file mode 100644 index 0000000000..3ece55aa00 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketBindingCallback.java @@ -0,0 +1,31 @@ +/* + * 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.websocket.runtime; + +import org.oasisopen.sca.annotation.Remotable; + +/** + * Interface describing the websocket binding callback to a browser client. + */ +@Remotable +public interface WebsocketBindingCallback { + + public WebsocketStatus sendMessage(Object message); + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketBindingDispatcher.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketBindingDispatcher.java new file mode 100644 index 0000000000..3b62c726e9 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketBindingDispatcher.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.binding.websocket.runtime; + +import java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; + +/** + * A dispatcher stores all service invokers for a servers and is used to + * determine which one of them should be used when a request comes in. + */ +public class WebsocketBindingDispatcher { + + private Map invokers = new HashMap(); + + public void addOperation(String uri, ExtensionPointRegistry extensionPoints, RuntimeEndpoint endpoint, Operation operation) { + invokers.put(uri, new WebsocketServiceInvoker(extensionPoints, operation, endpoint)); + } + + public WebsocketServiceInvoker dispatch(String uri) { + return invokers.get(uri); + } +} \ No newline at end of file diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketBindingMessage.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketBindingMessage.java new file mode 100644 index 0000000000..f7ea1d1620 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketBindingMessage.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.websocket.runtime; + +/** + * The websocket binding message structure. + */ +public class WebsocketBindingMessage { + + private String operation; + private String payload; + + public WebsocketBindingMessage(String operation, String payload) { + this.operation = operation; + this.payload = payload; + } + + public String getOperation() { + return operation; + } + + public void setOperation(String operation) { + this.operation = operation; + } + + public String getPayload() { + return payload; + } + + public void setPayload(String payload) { + this.payload = payload; + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketBindingProviderFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketBindingProviderFactory.java new file mode 100644 index 0000000000..97f548aa74 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketBindingProviderFactory.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.websocket.runtime; + +import org.apache.tuscany.sca.binding.websocket.WebsocketBinding; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.host.http.ServletHost; +import org.apache.tuscany.sca.host.http.ServletHostHelper; +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; + +/** + * Factory for reference and service binding providers. + */ +public class WebsocketBindingProviderFactory implements BindingProviderFactory { + + private ExtensionPointRegistry extensionPoints; + private ServletHost servletHost; + + public WebsocketBindingProviderFactory(ExtensionPointRegistry extensionPoints) { + this.extensionPoints = extensionPoints; + this.servletHost = ServletHostHelper.getServletHost(extensionPoints); + } + + public Class getModelType() { + return WebsocketBinding.class; + } + + public ReferenceBindingProvider createReferenceBindingProvider(RuntimeEndpointReference endpoint) { + return new WebsocketReferenceBindingProvider(endpoint); + } + + public ServiceBindingProvider createServiceBindingProvider(RuntimeEndpoint endpoint) { + return new WebsocketServiceBindingProvider(extensionPoints, endpoint, servletHost); + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketCallbackInvoker.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketCallbackInvoker.java new file mode 100644 index 0000000000..ebd7f13081 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketCallbackInvoker.java @@ -0,0 +1,59 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.binding.websocket.runtime; + +import org.apache.tuscany.sca.assembly.EndpointReference; +import org.apache.tuscany.sca.core.invocation.Constants; +import org.apache.tuscany.sca.core.invocation.impl.MessageImpl; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; + +/** + * The callback invoker is used to send asynchronous responses back to the + * browser client. + */ +public class WebsocketCallbackInvoker implements Invoker { + + protected Operation operation; + protected EndpointReference endpoint; + + public WebsocketCallbackInvoker(Operation operation, EndpointReference endpoint) { + this.operation = operation; + this.endpoint = endpoint; + } + + public Message invoke(Message msg) { + String channelId = (String) msg.getHeaders().get(Constants.RELATES_TO); + TuscanyWebsocket websocket = WebsocketConnectionManager.getConnection(channelId); + Message response = new MessageImpl(); + if (websocket == null) { + response.setBody(WebsocketStatus.CLOSED); + } else { + Object[] body = msg.getBody(); + String payload = JSONUtil.encodePayload(body[0]); + String operation = msg.getTo().getURI(); + WebsocketBindingMessage message = new WebsocketBindingMessage(operation, payload); + websocket.send(message); + response.setBody(WebsocketStatus.OPEN); + } + return response; + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketConnectionManager.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketConnectionManager.java new file mode 100644 index 0000000000..ba95d77b7f --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketConnectionManager.java @@ -0,0 +1,53 @@ +/* + * 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.websocket.runtime; + +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; + +/** + * The connection manager stores all active websocket connections in order to be + * able to retrieve the appropriate communication channel when an asynchronous + * response is sent. + */ +public class WebsocketConnectionManager { + + private static ConcurrentMap activeConnections = new ConcurrentHashMap(); + + public static void addConnection(TuscanyWebsocket websocket) { + activeConnections.put(websocket.getId(), websocket); + } + + public static void removeConnection(TuscanyWebsocket websocket) { + activeConnections.remove(websocket.getId()); + } + + public static TuscanyWebsocket getConnection(String id) { + return activeConnections.get(id); + } + + public static void clear() { + activeConnections.clear(); + } + + private WebsocketConnectionManager() { + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketReferenceBindingProvider.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketReferenceBindingProvider.java new file mode 100644 index 0000000000..dfd632d330 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketReferenceBindingProvider.java @@ -0,0 +1,60 @@ +/* + * 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.websocket.runtime; + +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; + +/** + * The reference binding provider is used to initiate the necessary + * infrastructure on the reference side. As the binding only supports browser + * clients, the reference binding provider is used as a factory for callback + * invokers. + */ +public class WebsocketReferenceBindingProvider implements ReferenceBindingProvider { + + private EndpointReference endpoint; + + public WebsocketReferenceBindingProvider(EndpointReference endpoint) { + this.endpoint = endpoint; + } + + public Invoker createInvoker(Operation operation) { + return new WebsocketCallbackInvoker(operation, endpoint); + } + + public void start() { + } + + public void stop() { + } + + public InterfaceContract getBindingInterfaceContract() { + return endpoint.getComponentReferenceInterfaceContract(); + } + + public boolean supportsOneWayInvocation() { + return false; + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketServer.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketServer.java new file mode 100644 index 0000000000..cde86b0575 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketServer.java @@ -0,0 +1,59 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.binding.websocket.runtime; + +import java.net.URISyntaxException; + +import javax.servlet.http.HttpServletRequest; + +import org.eclipse.jetty.server.Server; +import org.eclipse.jetty.server.nio.SelectChannelConnector; +import org.eclipse.jetty.websocket.WebSocket; +import org.eclipse.jetty.websocket.WebSocketHandler; + +/** + * The websocket server is an embedded Jetty instance which will be started on + * the port specified in the component definition. + */ +public class WebsocketServer extends Server { + + private WebsocketBindingDispatcher dispatcher; + + public WebsocketServer(int port) throws URISyntaxException { + SelectChannelConnector connector = new SelectChannelConnector(); + connector.setPort(port); + addConnector(connector); + + setHandler(new WebSocketHandler() { + + @Override + public WebSocket doWebSocketConnect(HttpServletRequest request, String protocol) { + return new TuscanyWebsocket(dispatcher); + } + }); + + dispatcher = new WebsocketBindingDispatcher(); + } + + public WebsocketBindingDispatcher getDispatcher() { + return dispatcher; + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketServiceBindingProvider.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketServiceBindingProvider.java new file mode 100644 index 0000000000..5a8fd0f7ad --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketServiceBindingProvider.java @@ -0,0 +1,112 @@ +/* + * 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.websocket.runtime; + +import java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.sca.binding.websocket.WebsocketBinding; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.host.http.ServletHost; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; + +/** + * The service binding provider initiates the necessary infrastructure to expose + * services via websockets. + */ +public class WebsocketServiceBindingProvider implements ServiceBindingProvider { + + private static final int DEFAULT_PORT = 9000; + private static final String JAVASCRIPT_RESOURCE_PATH = "/org.apache.tuscany.sca.WebsocketComponentContext.js"; + private static Map servers = new HashMap(); + private ExtensionPointRegistry extensionPoints; + private RuntimeEndpoint endpoint; + private ServletHost servletHost; + + public WebsocketServiceBindingProvider(ExtensionPointRegistry extensionPoints, RuntimeEndpoint endpoint, ServletHost servletHost) { + this.extensionPoints = extensionPoints; + this.endpoint = endpoint; + this.servletHost = servletHost; + } + + public void start() { + WebsocketBinding binding = (WebsocketBinding) endpoint.getBinding(); + int port = DEFAULT_PORT; + if (binding.getPort() != null) { + port = Integer.parseInt(binding.getPort()); + } + try { + WebsocketServer server = initServerForURI(port); + String component = endpoint.getComponent().getName(); + String service = endpoint.getService().getName(); + for (Operation op : getBindingInterfaceContract().getInterface().getOperations()) { + String operation = op.getName(); + server.getDispatcher().addOperation(component + "." + service + "." + operation, extensionPoints, endpoint, op); + } + JavascriptGenerator.generateServiceProxy(component, service, getBindingInterfaceContract().getInterface() + .getOperations(), port); + } catch (Exception e) { + throw new RuntimeException(e); + } + initJavascriptResource(); + } + + private WebsocketServer initServerForURI(int port) throws Exception { + WebsocketServer server = servers.get(port); + if (server == null) { + server = new WebsocketServer(port); + server.start(); + servers.put(port, server); + } + return server; + } + + private void initJavascriptResource() { + if (servletHost.getServletMapping(JAVASCRIPT_RESOURCE_PATH) == null) { + servletHost.addServletMapping(JAVASCRIPT_RESOURCE_PATH, new JavascriptResourceServlet()); + } + } + + public void stop() { + for (WebsocketServer server : servers.values()) { + try { + server.stop(); + } catch (Exception e) { + throw new RuntimeException(e); + } + } + servers.clear(); + servletHost.removeServletMapping(JAVASCRIPT_RESOURCE_PATH); + JavascriptGenerator.clear(); + WebsocketConnectionManager.clear(); + } + + public InterfaceContract getBindingInterfaceContract() { + return endpoint.getService().getInterfaceContract(); + } + + public boolean supportsOneWayInvocation() { + return false; + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketServiceInvoker.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketServiceInvoker.java new file mode 100644 index 0000000000..6bf6d865b1 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketServiceInvoker.java @@ -0,0 +1,84 @@ +/* + * 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.websocket.runtime; + +import java.lang.reflect.InvocationTargetException; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.Endpoint; +import org.apache.tuscany.sca.assembly.EndpointReference; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.core.invocation.Constants; +import org.apache.tuscany.sca.core.invocation.impl.MessageImpl; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; + +/** + * The service invoker is used to call an operation implementation in a + * synchronous or asynchronous way. + */ +public class WebsocketServiceInvoker { + + protected AssemblyFactory assemblyFactory; + protected Operation operation; + protected RuntimeEndpoint endpoint; + + public WebsocketServiceInvoker(ExtensionPointRegistry extensionPoints, Operation operation, RuntimeEndpoint endpoint) { + FactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class); + assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); + + this.operation = operation; + this.endpoint = endpoint; + } + + public WebsocketBindingMessage invokeSync(WebsocketBindingMessage request) { + String jsonParams = request.getPayload(); + Object[] args = JSONUtil.decodePayloadForOperation(jsonParams, operation); + try { + Object operationResponse = endpoint.invoke(operation, args); + String payload = JSONUtil.encodePayload(operationResponse); + WebsocketBindingMessage response = new WebsocketBindingMessage(request.getOperation(), payload); + return response; + } catch (InvocationTargetException e) { + throw new RuntimeException(e); + } + } + + public void invokeAsync(WebsocketBindingMessage request, TuscanyWebsocket channel) { + String jsonParams = request.getPayload(); + Object[] args = JSONUtil.decodePayloadForOperation(jsonParams, operation); + Message msg = new MessageImpl(); + msg.getHeaders().put(Constants.MESSAGE_ID, channel.getId()); + msg.setBody(args); + EndpointReference re = assemblyFactory.createEndpointReference(); //new RuntimeEndpointReferenceImpl(); + Endpoint callbackEndpoint = assemblyFactory.createEndpoint(); //new RuntimeEndpointImpl(); + callbackEndpoint.setURI(request.getOperation()); + re.setCallbackEndpoint(callbackEndpoint); + msg.setFrom(re); + endpoint.invoke(operation, msg); + } + + public boolean isNonBlocking() { + return operation.isNonBlocking(); + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketStatus.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketStatus.java new file mode 100644 index 0000000000..0b1f24212b --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-websocket/src/main/java/org/apache/tuscany/sca/binding/websocket/runtime/WebsocketStatus.java @@ -0,0 +1,28 @@ +/* + * 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.websocket.runtime; + +/** + * The websocket status indicates the state of a websocket connection when a + * send operation is performed. + */ +public enum WebsocketStatus { + OPEN, CLOSED +} -- cgit v1.2.3