diff options
author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:06:50 +0000 |
---|---|---|
committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:06:50 +0000 |
commit | 0f3f9b59b310833f31ba234ee4aefa808649833c (patch) | |
tree | 4f8b3354beb0643151424eb978eece9e55038c90 /branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org | |
parent | f860c2f35b2f94e379d2ff7d5c13f54cd4a3132a (diff) |
Moving 1.x branches
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835120 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org')
6 files changed, 0 insertions, 528 deletions
diff --git a/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCBinding.java b/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCBinding.java deleted file mode 100644 index 823803e35d..0000000000 --- a/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCBinding.java +++ /dev/null @@ -1,31 +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; - -import org.apache.tuscany.sca.spi.utils.AbstractBinding; - -/** - * A model for the JSONRPC binding. - */ -public class JSONRPCBinding { - - // empty as right now the json-rpc binding has no attributes - -} diff --git a/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCBindingActivator.java b/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCBindingActivator.java deleted file mode 100644 index fc4e050f37..0000000000 --- a/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCBindingActivator.java +++ /dev/null @@ -1,52 +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; - -import org.apache.tuscany.sca.assembly.Binding; -import org.apache.tuscany.sca.http.ServletHost; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.apache.tuscany.sca.runtime.RuntimeComponentReference; -import org.apache.tuscany.sca.runtime.RuntimeComponentService; -import org.apache.tuscany.sca.spi.BindingActivator; -import org.apache.tuscany.sca.spi.ComponentLifecycle; -import org.apache.tuscany.sca.spi.InvokerFactory; -import org.osoa.sca.ServiceRuntimeException; - -public class JSONRPCBindingActivator implements BindingActivator<JSONRPCBinding> { - - protected ServletHost servletHost; - - public JSONRPCBindingActivator(ServletHost servletHost) { - this.servletHost = servletHost; - } - - public Class<JSONRPCBinding> getBindingClass() { - return JSONRPCBinding.class; - } - - public InvokerFactory createInvokerFactory(RuntimeComponent rc, RuntimeComponentReference rcr, Binding b, JSONRPCBinding binding) { - throw new ServiceRuntimeException("SCA reference support not yet implemented"); - } - - public ComponentLifecycle createService(RuntimeComponent rc, RuntimeComponentService rcs, Binding b, JSONRPCBinding binding) { - return new JSONRPCService(rc, rcs, b, binding, servletHost); - } - -} diff --git a/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCService.java b/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCService.java deleted file mode 100644 index a7a705d5e5..0000000000 --- a/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCService.java +++ /dev/null @@ -1,118 +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; - -import org.apache.tuscany.sca.assembly.Binding; -import org.apache.tuscany.sca.http.ServletHost; -import org.apache.tuscany.sca.interfacedef.Interface; -import org.apache.tuscany.sca.interfacedef.java.JavaInterface; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.apache.tuscany.sca.runtime.RuntimeComponentService; -import org.apache.tuscany.sca.spi.ComponentLifecycle; - -/** - * Implementation of the JSONRPC binding provider. - * - * There are multiple servlets used to support the JSON-RPC binidng. - * One servlet to handle requests for the scaDomain script and seperate - * servlets for each SCA <service> which uses <binding.jsonrpc>. - */ -public class JSONRPCService implements ComponentLifecycle { - - private RuntimeComponent component; - private RuntimeComponentService service; - private JSONRPCBinding jsonBinding; - private ServletHost servletHost; - private Binding binding; - - public static final String SERVICE_PREFIX = "/SCADomain/"; - - // path to the scaDomain.js script - // Note: this is the same as the Ajax binding to keep the client code - // the same for clients using either the ajax or jsonrpc binding - public static final String SCA_DOMAIN_SCRIPT = SERVICE_PREFIX + "scaDomain.js"; - - - public JSONRPCService(RuntimeComponent component, - RuntimeComponentService service, - Binding b, - JSONRPCBinding binding, - ServletHost servletHost) { - this.component = component; - this.service = service; - this.binding = b; - this.jsonBinding = binding; - this.servletHost = servletHost; - } - - public void start() { - - // Create and register a servlet for this service - Class<?> serviceInterface = getTargetJavaClass(service.getInterfaceContract().getInterface()); - Object instance = component.createSelfReference(serviceInterface).getService(); - JSONRPCServiceServlet serviceServlet = new JSONRPCServiceServlet(binding.getName(), serviceInterface, instance); - if (binding.getURI() != null) { - servletHost.addServletMapping(binding.getURI(), serviceServlet); - } else { - servletHost.addServletMapping(SERVICE_PREFIX + binding.getName(), serviceServlet); - } - - // get the ScaDomainScriptServlet, if it doesn't yet exist create one - // this uses removeServletMapping / addServletMapping as theres no getServletMapping facility - ScaDomainScriptServlet scaDomainServlet = (ScaDomainScriptServlet) servletHost.removeServletMapping(SCA_DOMAIN_SCRIPT); - if (scaDomainServlet == null) { - scaDomainServlet = new ScaDomainScriptServlet(); - } - servletHost.addServletMapping(SCA_DOMAIN_SCRIPT, scaDomainServlet); - - // Add this service to the scadomain script servlet - scaDomainServlet.addService(binding.getName()); - - } - - public void stop() { - - // Unregister from the service servlet mapping - if (binding.getURI() != null) { - servletHost.removeServletMapping(binding.getURI()); - } else { - servletHost.removeServletMapping(SERVICE_PREFIX + binding.getName()); - } - - // Unregister the service from the scaDomain script servlet - // don't unregister the scaDomain script servlet if it still has other service names - ScaDomainScriptServlet scaDomainServlet = (ScaDomainScriptServlet) servletHost.removeServletMapping(SCA_DOMAIN_SCRIPT); - if (scaDomainServlet != null) { - scaDomainServlet.removeService(binding.getName()); - // put it back if there are still other services registered with the servlet - if (scaDomainServlet.getServiceNames().size() > 0) { - servletHost.addServletMapping(SCA_DOMAIN_SCRIPT, scaDomainServlet); - } - } - } - - protected 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/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCServiceServlet.java b/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCServiceServlet.java deleted file mode 100644 index b9eb71e259..0000000000 --- a/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JSONRPCServiceServlet.java +++ /dev/null @@ -1,160 +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; - -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.text.ParseException; - -import javax.servlet.ServletConfig; -import javax.servlet.http.HttpServletRequest; -import javax.servlet.http.HttpServletResponse; -import javax.servlet.http.HttpSession; - -import org.json.JSONObject; - -import com.metaparadigm.jsonrpc.JSONRPCBridge; -import com.metaparadigm.jsonrpc.JSONRPCResult; -import com.metaparadigm.jsonrpc.JSONRPCServlet; - -/** - * Servlet that handles JSON-RPC requests invoking SCA services. - * - * There is an instance of this servlet for each <binding.jsonrpc> - */ -public class JSONRPCServiceServlet extends JSONRPCServlet { - private static final long serialVersionUID = 1L; - - transient String serviceName; - transient Object serviceInstance; - transient Class<?> serviceInterface; - - public JSONRPCServiceServlet(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 { - - if (request.getParameter("smd") != null) { - handleSMDRequest(request, response); - } else { - try { - handleServiceRequest(request, response); - } finally { - HttpSession session = request.getSession(); - if (session != null) { - session.removeAttribute("JSONRPCBridge"); - } - } - } - } - - private void handleServiceRequest(HttpServletRequest request, HttpServletResponse response) throws IOException { - /* - * 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[4096]; - int ret; - while ((ret = in.read(buf, 0, 4096)) != -1) { - data.write(buf, 0, ret); - } - - JSONObject jsonReq = null; - JSONRPCResult jsonResp = null; - try { - jsonReq = new JSONObject(data.toString()); - } catch (ParseException e) { - throw new RuntimeException("Unable to parse request", e); - } - - String method = jsonReq.getString("method"); - if ((method != null) && (method.indexOf('.') < 0)) { - jsonReq.putOpt("method", serviceName + "." + method); - } - - // invoke the request - jsonResp = jsonrpcBridge.call(new Object[] {request}, jsonReq); - - byte[] bout = jsonResp.toString().getBytes("UTF-8"); - - 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(); - } - -} diff --git a/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JavaToSmd.java b/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JavaToSmd.java deleted file mode 100644 index 196d973a76..0000000000 --- a/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/JavaToSmd.java +++ /dev/null @@ -1,54 +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;
-
-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
- */
-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/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/ScaDomainScriptServlet.java b/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/ScaDomainScriptServlet.java deleted file mode 100644 index bf1b03faa1..0000000000 --- a/branches/sca-java-0.91/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/ScaDomainScriptServlet.java +++ /dev/null @@ -1,113 +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; - -import java.io.IOException; -import java.io.InputStream; -import java.net.URL; -import java.util.ArrayList; -import java.util.List; - -import javax.servlet.ServletOutputStream; -import javax.servlet.http.HttpServlet; -import javax.servlet.http.HttpServletRequest; -import javax.servlet.http.HttpServletResponse; - -import static org.apache.tuscany.sca.binding.jsonrpc.JSONRPCService.SERVICE_PREFIX; - -/** - * Servlet to handle requests for the scaDomain.js script. - * - * This script wrappers the JSON-RPC-Java jsonrpc.js script - * adding in at the bottom the JavaScript to create and initialize - * the variables representing the SCA services. - */ -public class ScaDomainScriptServlet extends HttpServlet { - private static final long serialVersionUID = 1L; - - protected transient List<String> serviceNames; - - public ScaDomainScriptServlet() { - serviceNames = new ArrayList<String>(); - } - - public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException { - - ServletOutputStream os = response.getOutputStream(); - - os.println(); - os.println("/* Apache Tuscany scaDomain.js Header */"); - os.println(); - - writeJSONRPCJavaScript(os); - writeScaDomainCode(os, request.getServletPath()); - } - - /** - * Creates a JavaScript variable within the scaDomain script for each SCA service and - * initializes its value with the JSON-RPC client to invoke the serverside service. - */ - protected void writeScaDomainCode(ServletOutputStream out, String path) throws IOException { - out.println(); - out.println("/* Apache Tuscany scaDomain.js Footer */"); - out.println(); - out.println("function scaDomain() {}"); - - // remove the leading slash '/' character - path = path.substring(1); - - for (String serviceName : serviceNames) { - out.println(); - - // A slight hack to make the service function available with a variable named 'serviceName' - // to do that the JSONRpcClient is added to the scaDomain and then the service function is got from that - out.println("scaDomain." + serviceName + " = new JSONRpcClient(\"" + path + SERVICE_PREFIX + serviceName +"\");"); - out.println(serviceName + " = scaDomain." + serviceName + "." + serviceName + ";"); - } - - out.println(); - out.println("/** End of Apache Tuscany scaDomain.js */"); - out.println(); - } - - /** - * Reads the jsonrpc.js script from the classpath and adds its contents to the output stream. - */ - protected void writeJSONRPCJavaScript(ServletOutputStream os) throws IOException { - URL url = getClass().getResource("jsonrpc.js"); - InputStream is = url.openStream(); - int i; - while ((i = is.read()) != -1) { - os.write(i); - } - } - - public void addService(String serviceName) { - serviceNames.add(serviceName); - } - - public void removeService(String serviceName) { - serviceNames.remove(serviceName); - } - - public List<String> getServiceNames() { - return serviceNames; - } - -} |