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Diffstat (limited to 'java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceServlet.java')
-rw-r--r--java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceServlet.java307
1 files changed, 0 insertions, 307 deletions
diff --git a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceServlet.java b/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceServlet.java
deleted file mode 100644
index 2b4bd2fed6..0000000000
--- a/java/sca/modules/binding-jsonrpc-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/provider/JSONRPCServiceServlet.java
+++ /dev/null
@@ -1,307 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.tuscany.sca.binding.jsonrpc.provider;
-
-import java.io.BufferedReader;
-import java.io.CharArrayWriter;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.io.UnsupportedEncodingException;
-import java.util.List;
-
-import javax.servlet.ServletConfig;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import javax.servlet.http.HttpSession;
-
-import org.apache.tuscany.sca.assembly.Binding;
-import org.apache.tuscany.sca.interfacedef.Operation;
-import org.apache.tuscany.sca.invocation.Message;
-import org.apache.tuscany.sca.invocation.MessageFactory;
-import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
-import org.jabsorb.JSONRPCBridge;
-import org.jabsorb.JSONRPCResult;
-import org.jabsorb.JSONRPCServlet;
-import org.json.JSONArray;
-import org.json.JSONException;
-import org.json.JSONObject;
-import org.oasisopen.sca.ServiceRuntimeException;
-
-/**
- * Servlet that handles JSON-RPC requests invoking SCA services.
- *
- * There is an instance of this Servlet for each <binding.jsonrpc>
- *
- * @version $Rev$ $Date$
- */
-public class JSONRPCServiceServlet extends JSONRPCServlet {
- private static final long serialVersionUID = 1L;
-
- transient MessageFactory messageFactory;
-
- transient Binding binding;
- transient String serviceName;
- transient Object serviceInstance;
- transient RuntimeEndpoint endpoint;
- transient Class<?> serviceInterface;
-
- public JSONRPCServiceServlet(MessageFactory messageFactory,
- RuntimeEndpoint endpoint,
- Class<?> serviceInterface,
- Object serviceInstance) {
- this.endpoint = endpoint;
- this.messageFactory = messageFactory;
- this.binding = endpoint.getBinding();
- this.serviceName = binding.getName();
- this.serviceInterface = serviceInterface;
- this.serviceInstance = serviceInstance;
- }
-
- /**
- * Override to do nothing as the JSONRPCServlet is setup by the
- * service method in this class.
- */
- @Override
- public void init(ServletConfig config) {
- }
-
- @Override
- public void service(HttpServletRequest request, HttpServletResponse response) throws IOException {
- if ("smd".equals(request.getQueryString())) {
- handleSMDRequest(request, response);
- } else {
- try {
- handleServiceRequest(request, response);
-
- } catch(RuntimeException re) {
- if (re.getCause() instanceof javax.security.auth.login.LoginException) {
- response.setHeader("WWW-Authenticate", "BASIC realm=\"" + "ldap-realm" + "\"");
- response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
- }
- } finally {
- HttpSession session = request.getSession(false);
- if (session != null) {
- session.removeAttribute("JSONRPCBridge");
- }
- }
- }
- }
-
- private void handleServiceRequest(HttpServletRequest request, HttpServletResponse response) throws IOException {
- // Encode using UTF-8, although We are actually ASCII clean as
- // all unicode data is JSON escaped using backslash u. This is
- // less data efficient for foreign character sets but it is
- // needed to support naughty browsers such as Konqueror and Safari
- // which do not honour the charset set in the response
- response.setContentType("text/plain;charset=utf-8");
- OutputStream out = response.getOutputStream();
-
- // Decode using the charset in the request if it exists otherwise
- // use UTF-8 as this is what all browser implementations use.
- // The JSON-RPC-Java JavaScript client is ASCII clean so it
- // although here we can correctly handle data from other clients
- // that do not escape non ASCII data
- String charset = request.getCharacterEncoding();
- if (charset == null) {
- charset = "UTF-8";
- }
- BufferedReader in = new BufferedReader(new InputStreamReader(request.getInputStream(), charset));
-
- // Read the request
- CharArrayWriter data = new CharArrayWriter();
- char[] buf = new char[4096];
- int ret;
- while ((ret = in.read(buf, 0, 4096)) != -1) {
- data.write(buf, 0, ret);
- }
-
- JSONObject jsonReq = null;
- String method = null;
- try {
- jsonReq = new JSONObject(data.toString());
- method = jsonReq.getString("method");
- } catch (Exception e) {
- //FIXME Exceptions are not handled correctly here
- // They should be reported to the client JavaScript as proper
- // JavaScript exceptions.
- throw new RuntimeException("Unable to parse request", e);
- }
-
-
- // check if it's a system request
- // or a method invocation
- byte[] bout;
- try {
- if (method.startsWith("system.")) {
- bout = handleJSONRPCSystemInvocation(request, response, data.toString());
- } else {
- bout = handleJSONRPCMethodInvocation(request, response, jsonReq);
- }
- } catch (JSONException e) {
- throw new RuntimeException(e);
- }
-
- // Send response to client
- out.write(bout);
- out.flush();
- out.close();
- }
-
- /**
- * handles requests for the SMD descriptor for a service
- */
- protected void handleSMDRequest(HttpServletRequest request, HttpServletResponse response) throws IOException, UnsupportedEncodingException {
- String serviceUrl = request.getRequestURL().toString();
- String smd = JavaToSmd.interfaceToSmd(serviceInterface, serviceUrl);
-
- response.setContentType("text/plain;charset=utf-8");
- OutputStream out = response.getOutputStream();
- byte[] bout = smd.getBytes("UTF-8");
- out.write(bout);
- out.flush();
- out.close();
- }
-
- protected byte[] handleJSONRPCSystemInvocation(HttpServletRequest request, HttpServletResponse response, String requestData) throws IOException,
- UnsupportedEncodingException, JSONException {
- /*
- * Create a new bridge for every request to avoid all the problems with
- * JSON-RPC-Java storing the bridge in the session
- */
- HttpSession session = request.getSession();
-
- JSONRPCBridge jsonrpcBridge = new JSONRPCBridge();
- jsonrpcBridge.registerObject("Service", serviceInstance, serviceInterface);
- session.setAttribute("JSONRPCBridge", jsonrpcBridge);
-
- org.json.JSONObject jsonReq = null;
- JSONRPCResult jsonResp = null;
- jsonReq = new org.json.JSONObject(requestData);
-
- String method = jsonReq.getString("method");
- if ((method != null) && (method.indexOf('.') < 0)) {
- jsonReq.putOpt("method", "Service" + "." + method);
- }
-
- // invoke the request
- jsonResp = jsonrpcBridge.call(new Object[] {request}, jsonReq);
-
- return jsonResp.toString().getBytes("UTF-8");
- }
-
- protected byte[] handleJSONRPCMethodInvocation(HttpServletRequest request, HttpServletResponse response, JSONObject jsonReq) throws IOException,
- UnsupportedEncodingException {
-
- String method = null;
- Object[] args = null;
- Object id = null;
- try {
- // Extract the method
- method = jsonReq.getString("method");
- if ((method != null) && (method.indexOf('.') < 0)) {
- jsonReq.putOpt("method", "Service" + "." + method);
- }
-
- // Extract the arguments
- JSONArray array = jsonReq.getJSONArray("params");
- args = new Object[array.length()];
- for (int i = 0; i < args.length; i++) {
- args[i] = array.get(i);
- }
- id = jsonReq.get("id");
-
- } catch (Exception e) {
- throw new RuntimeException("Unable to find json method name", e);
- }
-
- // invoke the request
- Operation jsonOperation = findOperation(method);
- Object result = null;
-
-
- // Invoke the get operation on the service implementation
- Message requestMessage = messageFactory.createMessage();
- requestMessage.setOperation(jsonOperation);
-
- requestMessage.getHeaders().add(request);
-
- requestMessage.setBody(args);
-
- //result = wire.invoke(jsonOperation, args);
- Message responseMessage = null;
- try {
- responseMessage = endpoint.getInvocationChain(jsonOperation).getHeadInvoker().invoke(requestMessage);
- } catch (RuntimeException re) {
- if (re.getCause() instanceof javax.security.auth.login.LoginException) {
- throw re;
- } else {
- //some other exception
- JSONRPCResult errorResult = new JSONRPCResult(JSONRPCResult.CODE_REMOTE_EXCEPTION, id, re);
- return errorResult.toString().getBytes("UTF-8");
- }
- }
-
- if (!responseMessage.isFault()) {
- //successful execution of the invocation
- try {
- result = responseMessage.getBody();
- JSONObject jsonResponse = new JSONObject();
- jsonResponse.put("result", result);
- jsonResponse.putOpt("id", id);
- //get response to send to client
- return jsonResponse.toString().getBytes("UTF-8");
- } catch (Exception e) {
- throw new ServiceRuntimeException("Unable to create JSON response", e);
- }
- } else {
- //exception thrown while executing the invocation
- Throwable exception = (Throwable)responseMessage.getBody();
- JSONRPCResult errorResult = new JSONRPCResult(JSONRPCResult.CODE_REMOTE_EXCEPTION, id, exception );
- return errorResult.toString().getBytes("UTF-8");
- }
-
- }
-
- /**
- * Find the operation from the component service contract
- * @param componentService
- * @param method
- * @return
- */
- private Operation findOperation(String method) {
- if (method.contains(".")) {
- method = method.substring(method.lastIndexOf(".") + 1);
- }
-
- List<Operation> operations = endpoint.getComponentTypeServiceInterfaceContract().getInterface().getOperations();
- //componentService.getBindingProvider(binding).getBindingInterfaceContract().getInterface().getOperations();
-
-
- Operation result = null;
- for (Operation o : operations) {
- if (o.getName().equalsIgnoreCase(method)) {
- result = o;
- break;
- }
- }
-
- return result;
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-17 10:56:02 +0000