From e5b7380c874745c989d1816b8f552504f038e1bc Mon Sep 17 00:00:00 2001 From: lresende Date: Thu, 26 Sep 2013 20:33:20 +0000 Subject: 2.0 branch for possible maintenance release git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1526672 13f79535-47bb-0310-9956-ffa450edef68 --- .../jsonp/runtime/JSONPBindingProviderFactory.java | 52 +++++ .../sca/binding/jsonp/runtime/JSONPInvoker.java | 174 ++++++++++++++++ .../runtime/JSONPReferenceBindingProvider.java | 61 ++++++ .../jsonp/runtime/JSONPServiceBindingProvider.java | 79 ++++++++ .../sca/binding/jsonp/runtime/JSONPServlet.java | 223 +++++++++++++++++++++ 5 files changed, 589 insertions(+) create mode 100644 sca-java-2.x/branches/2.0/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPBindingProviderFactory.java create mode 100644 sca-java-2.x/branches/2.0/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java create mode 100644 sca-java-2.x/branches/2.0/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPReferenceBindingProvider.java create mode 100644 sca-java-2.x/branches/2.0/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPServiceBindingProvider.java create mode 100644 sca-java-2.x/branches/2.0/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPServlet.java (limited to 'sca-java-2.x/branches/2.0/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany') diff --git a/sca-java-2.x/branches/2.0/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPBindingProviderFactory.java b/sca-java-2.x/branches/2.0/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPBindingProviderFactory.java new file mode 100644 index 0000000000..1f2ed09c07 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPBindingProviderFactory.java @@ -0,0 +1,52 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.binding.jsonp.runtime; + +import org.apache.tuscany.sca.binding.jsonp.JSONPBinding; +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; + +public class JSONPBindingProviderFactory implements BindingProviderFactory { + + private ServletHost servletHost; + + public JSONPBindingProviderFactory(ExtensionPointRegistry extensionPoints) { + this.servletHost = ServletHostHelper.getServletHost(extensionPoints); + } + + public Class getModelType() { + return JSONPBinding.class; + } + + public ReferenceBindingProvider createReferenceBindingProvider(RuntimeEndpointReference endpoint) { + return new JSONPReferenceBindingProvider(endpoint); + } + + public ServiceBindingProvider createServiceBindingProvider(RuntimeEndpoint endpoint) { + return new JSONPServiceBindingProvider(endpoint, servletHost); + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java b/sca-java-2.x/branches/2.0/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java new file mode 100644 index 0000000000..bda4ccf217 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java @@ -0,0 +1,174 @@ +/* + * 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.jsonp.runtime; + +import java.io.BufferedReader; +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; + +import org.apache.commons.codec.EncoderException; +import org.apache.commons.codec.net.URLCodec; +import org.apache.http.HttpEntity; +import org.apache.http.HttpResponse; +import org.apache.http.client.HttpClient; +import org.apache.http.client.methods.HttpGet; +import org.apache.http.impl.client.DefaultHttpClient; +import org.apache.tuscany.sca.assembly.EndpointReference; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.codehaus.jackson.JsonGenerationException; +import org.codehaus.jackson.JsonParseException; +import org.codehaus.jackson.map.JsonMappingException; +import org.codehaus.jackson.map.ObjectMapper; + +public class JSONPInvoker implements Invoker { + + protected Operation operation; + protected EndpointReference endpoint; + + protected ObjectMapper mapper; // TODO: share mapper btw invoker and servlet or move to databinding + + public JSONPInvoker(Operation operation, EndpointReference endpoint) { + this.operation = operation; + this.endpoint = endpoint; + this.mapper = new ObjectMapper(); + } + + public Message invoke(Message msg) { + try { + + return doInvoke(msg); + + } catch (Exception e) { + throw new RuntimeException(e); + } + } + + public Message doInvoke(Message msg) throws JsonGenerationException, JsonMappingException, IOException, EncoderException { + String uri = endpoint.getDeployedURI() + "/" + operation.getName(); + //String[] jsonArgs = objectsToJSON((Object[])msg.getBody()); + String[] jsonArgs = objectsToJSONStrings((Object[])msg.getBody()); + + String responseJSON = invokeHTTPRequest(uri, jsonArgs); + + //Object response = jsonToObjects(responseJSON)[0]; + msg.setBody(responseJSON); + + return msg; + } + + protected String invokeHTTPRequest(String url, String[] jsonArgs) throws IOException, EncoderException { + + HttpClient httpclient = new DefaultHttpClient(); + + + URLCodec uc = new URLCodec(); + for (int i=0 ; i types = operation.getInputType().getLogical(); + int typesIndex = 0; + + String jsonRequest = ""; + for (String name : getOrderedParameterNames(servletRequest)) { + if (!name.startsWith("_") && !"callback".equals(name)) { + if (jsonRequest.length() > 1) { + jsonRequest += ", "; + } + + // automatically quote string parammeters so clients work in the usual javascript way + if (typesIndex < types.size() && String.class.equals(types.get(typesIndex).getGenericType())) { + String x = servletRequest.getParameter(name); + // TODO: do this more properly + if (!x.startsWith("\"")) { + jsonRequest += "\"" + x + "\""; + } else { + jsonRequest += x; + } + } else { + jsonRequest += servletRequest.getParameter(name); + } + + } + } + + return "[" + jsonRequest + "]"; + } +*/ + + /** + * Turn the request into a string array of JSON structures. The Databinding + * layer will then convert each of the individual parameters into the appropriate + * types for the implementation interface + * + */ + protected Object[] getJSONRequestStringArray(ServletRequest servletRequest) throws IOException, JsonParseException, JsonMappingException { + + List types = operation.getInputType().getLogical(); + int typesIndex = 0; + + List jsonRequestArray = new ArrayList(); + + for (String name : getOrderedParameterNames(servletRequest)) { + String jsonRequest = ""; + if (!name.startsWith("_") && !"callback".equals(name)) { + + // automatically quote string parameters so clients work in the usual javascript way + if (typesIndex < types.size() && String.class.equals(types.get(typesIndex++).getGenericType())) { + String x = servletRequest.getParameter(name); + // TODO: do this more properly + if (!x.startsWith("\"")) { + jsonRequest += "\"" + x + "\""; + } else { + jsonRequest += x; + } + } else { + jsonRequest += servletRequest.getParameter(name); + } + jsonRequestArray.add(jsonRequest); + } + } + + return jsonRequestArray.toArray(); + } + + /** + * Get the request parameter names in the correct order. + * The request args need to be in the correct order to invoke the service so work out the + * order from the order in the query string. Eg, the url: + * http://localhost:8085/HelloWorldService/sayHello2?first=petra&last=arnold&callback=foo" + * should invoke: + * sayHello2("petra", "arnold") + * so the parameter names should be ordered: "first", "last" + */ + protected SortedSet getOrderedParameterNames(ServletRequest servletRequest) { + final String queryString = ((HttpServletRequest)servletRequest).getQueryString(); + + SortedSet sortedNames = new TreeSet(new Comparator(){ + public int compare(String o1, String o2) { + int i = queryString.indexOf(o1); + int j = queryString.indexOf(o2); + return i - j; + }}); + + Set parameterNames = servletRequest.getParameterMap().keySet(); + for (String name : parameterNames) { + sortedNames.add(name); + } + + return sortedNames; + } + + /** + * Turn the response object into JSON + */ +/* Not required now JSON conversion is delegated to databinding + protected String getJSONResponse(ServletRequest servletRequest, Object response) throws IOException, JsonParseException { + ByteArrayOutputStream os = new ByteArrayOutputStream(); + mapper.writeValue(os , response); + String jsonResponse = os.toString(); + + String callback = servletRequest.getParameter("callback"); + if (callback != null && callback.length() > 1) { + jsonResponse = callback + "(" + jsonResponse + ");"; + } + + return jsonResponse; + } +*/ + + /** + * The databinding layer will have converterted the return type into a JSON string so simply + * add wrap it for return. + */ + protected String getJSONResponseAsString(ServletRequest servletRequest, Object response) throws IOException, JsonParseException { + String jsonResponse = response.toString(); + + String callback = servletRequest.getParameter("callback"); + if (callback != null && callback.length() > 1) { + jsonResponse = callback + "(" + jsonResponse + ");"; + } + + return jsonResponse; + } + + /** + * Turn the request JSON into objects + */ +/* Not required now JSON conversion is delegated to databinding + protected Object[] jsonToObjects(String jsonRequest) throws IOException, JsonParseException, JsonMappingException { + Class c = new Object[0].getClass(); + Object[] args = (Object[])mapper.readValue(jsonRequest, c); + return args; + } +*/ + + + /** + * Send the request down the wire to invoke the service + */ + protected Object invokeService(Object[] args) { + try { + return wire.invoke(operation, args); + } catch (InvocationTargetException e) { + throw new RuntimeException(e); + } + } +} \ No newline at end of file -- cgit v1.2.3