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Diffstat (limited to '')
-rw-r--r-- | sca-java-1.x/tags/1.6-RC2/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPRRBListenerServlet.java | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6-RC2/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPRRBListenerServlet.java b/sca-java-1.x/tags/1.6-RC2/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPRRBListenerServlet.java new file mode 100644 index 0000000000..605e2c6211 --- /dev/null +++ b/sca-java-1.x/tags/1.6-RC2/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPRRBListenerServlet.java @@ -0,0 +1,102 @@ +/* + * 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.http.provider; + +import java.io.BufferedReader; +import java.io.CharArrayWriter; +import java.io.IOException; +import java.io.InputStreamReader; + +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.binding.http.HTTPBindingContext; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.invocation.MessageFactory; + +public class HTTPRRBListenerServlet extends HttpServlet { + + private static final long serialVersionUID = 6688524143716091739L; + + transient private Binding binding; + transient private Invoker bindingInvoker; + transient private MessageFactory messageFactory; + + /** + * Constructs a new HTTPServiceListenerServlet. + */ + public HTTPRRBListenerServlet(Binding binding, Invoker bindingInvoker, MessageFactory messageFactory) { + this.binding = binding; + this.bindingInvoker = bindingInvoker; + this.messageFactory = messageFactory; + } + + public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + + // 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); + } + + HTTPBindingContext bindingContext = new HTTPBindingContext(); + bindingContext.setHttpRequest(request); + bindingContext.setHttpResponse(response); + + // Dispatch the service interaction to the service invoker + Message requestMessage = messageFactory.createMessage(); + requestMessage.setBindingContext(bindingContext); + requestMessage.setBody(new Object[]{data}); + + Message responseMessage = bindingInvoker.invoke(requestMessage); + + // return response to client + if (responseMessage.isFault()) { + // Turn a fault into an exception + //throw new ServletException((Throwable)responseMessage.getBody()); + Throwable e = (Throwable)responseMessage.getBody(); + response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString()); + } else { + byte[] bout; + bout = responseMessage.<Object>getBody().toString().getBytes("UTF-8"); + response.getOutputStream().write(bout); + response.getOutputStream().flush(); + response.getOutputStream().close(); + } + } + +} |