summaryrefslogtreecommitdiffstats
path: root/sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPBindingProviderFactory.java52
-rw-r--r--sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java161
-rw-r--r--sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPReferenceBindingProvider.java53
-rw-r--r--sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPServiceBindingProvider.java68
-rw-r--r--sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPServlet.java162
5 files changed, 496 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPBindingProviderFactory.java b/sca-java-2.x/branches/sca-java-2.0-M5/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/sca-java-2.0-M5/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<JSONPBinding> {
+
+ private ServletHost servletHost;
+
+ public JSONPBindingProviderFactory(ExtensionPointRegistry extensionPoints) {
+ this.servletHost = ServletHostHelper.getServletHost(extensionPoints);
+ }
+
+ public Class<JSONPBinding> 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/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java b/sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java
new file mode 100644
index 0000000000..a5d0c3a8da
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java
@@ -0,0 +1,161 @@
+/*
+ * 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.getBinding().getURI() + "/" + operation.getName();
+ String[] jsonArgs = objectsToJSON((Object[])msg.getBody());
+
+ String responseJSON = invokeHTTPRequest(uri, jsonArgs);
+
+ Object response = jsonToObjects(responseJSON)[0];
+ msg.setBody(response);
+
+ 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<jsonArgs.length; i++) {
+ if (i == 0) {
+ url += '?';
+ } else {
+ url += '&';
+ }
+ url += "arg" + i + "=";
+ url += uc.encode(jsonArgs[i]);
+ }
+
+ HttpGet httpget = new HttpGet(url);
+
+ HttpResponse response = httpclient.execute(httpget);
+
+ StringBuffer responseJSON = new StringBuffer();
+
+ HttpEntity entity = response.getEntity();
+
+ // If the response does not enclose an entity, there is no need
+ // to worry about connection release
+ if (entity != null) {
+ InputStream instream = entity.getContent();
+ try {
+
+ BufferedReader reader = new BufferedReader(new InputStreamReader(instream));
+ String s = null;
+ while ((s = reader.readLine()) != null) {
+ responseJSON.append(s);
+ }
+
+ } catch (IOException ex) {
+
+ // In case of an IOException the connection will be released
+ // back to the connection manager automatically
+ throw ex;
+
+ } catch (RuntimeException ex) {
+
+ // In case of an unexpected exception you may want to abort
+ // the HTTP request in order to shut down the underlying
+ // connection and release it back to the connection manager.
+ httpget.abort();
+ throw ex;
+
+ } finally {
+
+ // Closing the input stream will trigger connection release
+ instream.close();
+
+ }
+
+ // When HttpClient instance is no longer needed,
+ // shut down the connection manager to ensure
+ // immediate deallocation of all system resources
+ httpclient.getConnectionManager().shutdown();
+ }
+
+ return responseJSON.toString();
+ }
+
+ protected String[] objectsToJSON(Object[] msgArgs) throws JsonGenerationException, JsonMappingException, IOException {
+ String[] jsonArgs = new String[msgArgs.length];
+ for (int i=0; i<msgArgs.length; i++) {
+ ByteArrayOutputStream os = new ByteArrayOutputStream();
+ mapper.writeValue(os , msgArgs[i]);
+ jsonArgs[i] = os.toString();
+ }
+ return jsonArgs;
+ }
+
+ protected Object[] jsonToObjects(String jsonRequest) throws JsonParseException, JsonMappingException, IOException {
+ Class<?> c = new Object[0].getClass();
+ Object[] args = (Object[])mapper.readValue("[" + jsonRequest +"]", c);
+ return args;
+ }
+
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPReferenceBindingProvider.java b/sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPReferenceBindingProvider.java
new file mode 100644
index 0000000000..0af9582e97
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPReferenceBindingProvider.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.jsonp.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;
+
+public class JSONPReferenceBindingProvider implements ReferenceBindingProvider {
+
+ private EndpointReference endpoint;
+
+ public JSONPReferenceBindingProvider(EndpointReference endpoint) {
+ this.endpoint = endpoint;
+ }
+ public Invoker createInvoker(Operation operation) {
+ return new JSONPInvoker(operation, endpoint);
+ }
+
+ public void start() {
+ }
+
+ public void stop() {
+ }
+
+ public InterfaceContract getBindingInterfaceContract() {
+ return null;
+ }
+
+ public boolean supportsOneWayInvocation() {
+ return false;
+ }
+
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPServiceBindingProvider.java b/sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPServiceBindingProvider.java
new file mode 100644
index 0000000000..4e3f7321af
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPServiceBindingProvider.java
@@ -0,0 +1,68 @@
+/*
+ * 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.assembly.ComponentService;
+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.Operation;
+import org.apache.tuscany.sca.provider.ServiceBindingProvider;
+import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
+
+public class JSONPServiceBindingProvider implements ServiceBindingProvider {
+
+ private RuntimeEndpoint endpoint;
+ private ServletHost servletHost;
+
+ public JSONPServiceBindingProvider(RuntimeEndpoint endpoint, ServletHost servletHost) {
+ this.endpoint = endpoint;
+ this.servletHost = servletHost;
+ }
+
+ public void start() {
+ ComponentService service = endpoint.getService();
+ Interface serviceInterface = service.getInterfaceContract().getInterface();
+ for (Operation op : serviceInterface.getOperations()) {
+ JSONPServlet servlet = new JSONPServlet(endpoint, op);
+ String path = endpoint.getBinding().getURI() + "/" + op.getName();
+ servletHost.addServletMapping(path, servlet);
+ }
+ }
+
+ public void stop() {
+ ComponentService service = endpoint.getService();
+ Interface serviceInterface = service.getInterfaceContract().getInterface();
+ for (Operation op : serviceInterface.getOperations()) {
+ String path = endpoint.getBinding().getURI() + "/" + op.getName();
+ servletHost.removeServletMapping(path);
+ }
+ }
+
+ // TODO: Why are these two still on the ServiceBindingProvider interface?
+ public InterfaceContract getBindingInterfaceContract() {
+ return null;
+ }
+
+ public boolean supportsOneWayInvocation() {
+ return false;
+ }
+
+}
diff --git a/sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPServlet.java b/sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPServlet.java
new file mode 100644
index 0000000000..b782875948
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M5/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPServlet.java
@@ -0,0 +1,162 @@
+/*
+ * 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.ByteArrayOutputStream;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Set;
+import java.util.SortedSet;
+import java.util.TreeSet;
+
+import javax.servlet.GenericServlet;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
+import org.codehaus.jackson.JsonParseException;
+import org.codehaus.jackson.map.JsonMappingException;
+import org.codehaus.jackson.map.ObjectMapper;
+
+public class JSONPServlet extends GenericServlet {
+ private static final long serialVersionUID = 1L;
+
+ protected transient RuntimeEndpoint wire;
+ protected transient Operation operation;
+ protected transient ObjectMapper mapper;
+
+ public JSONPServlet(RuntimeEndpoint wire, Operation operation) {
+ this.wire = wire;
+ this.operation = operation;
+ this.mapper = new ObjectMapper();
+ }
+
+ @Override
+ public void service(ServletRequest servletRequest, ServletResponse servletResponse) throws ServletException, IOException {
+ String jsonRequest = getJSONRequest(servletRequest);
+ Object[] args = jsonToObjects(jsonRequest);
+ Object response = invokeService(args);
+ String jsonResponse = getJSONResponse(servletRequest, response);
+ servletResponse.getOutputStream().println(jsonResponse);
+ }
+
+ /**
+ * Turn the request into JSON
+ */
+ protected String getJSONRequest(ServletRequest servletRequest) throws IOException, JsonParseException, JsonMappingException {
+
+ List<DataType> 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 + "]";
+ }
+
+ /**
+ * 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<String> getOrderedParameterNames(ServletRequest servletRequest) {
+ final String queryString = ((HttpServletRequest)servletRequest).getQueryString();
+
+ SortedSet<String> sortedNames = new TreeSet<String>(new Comparator<String>(){
+ public int compare(String o1, String o2) {
+ int i = queryString.indexOf(o1);
+ int j = queryString.indexOf(o2);
+ return i - j;
+ }});
+
+ Set<String> parameterNames = servletRequest.getParameterMap().keySet();
+ for (String name : parameterNames) {
+ sortedNames.add(name);
+ }
+
+ return sortedNames;
+ }
+
+ /**
+ * Turn the response object into JSON
+ */
+ 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;
+ }
+
+ /**
+ * Turn the request JSON into objects
+ */
+ 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