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Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.2.1/modules/binding-notification/src/main/java/org/apache/tuscany/sca/binding/notification/util/NotificationServlet.java')
-rw-r--r-- | sca-java-1.x/branches/sca-java-1.2.1/modules/binding-notification/src/main/java/org/apache/tuscany/sca/binding/notification/util/NotificationServlet.java | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.2.1/modules/binding-notification/src/main/java/org/apache/tuscany/sca/binding/notification/util/NotificationServlet.java b/sca-java-1.x/branches/sca-java-1.2.1/modules/binding-notification/src/main/java/org/apache/tuscany/sca/binding/notification/util/NotificationServlet.java new file mode 100644 index 0000000000..046914e9db --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.2.1/modules/binding-notification/src/main/java/org/apache/tuscany/sca/binding/notification/util/NotificationServlet.java @@ -0,0 +1,91 @@ +/* + * 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.notification.util; + +import java.io.IOException; +import java.util.Enumeration; +import java.util.HashMap; +import java.util.Map; + +import javax.servlet.ServletInputStream; +import javax.servlet.ServletOutputStream; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + + +/** + * Receives notification in HTTP request and dispatches it down the wire + * + * @version $Rev$ $Date$ + */ +@SuppressWarnings("serial") +public class NotificationServlet extends HttpServlet { + + /** + * + */ + private static final long serialVersionUID = 1L; + private NotificationServletHandler handler; + private NotificationServletStreamHandler servletStreamHandler; + + public NotificationServlet(NotificationServletHandler handler) { + this.handler = handler; + this.servletStreamHandler = null; + } + + public NotificationServlet(NotificationServletStreamHandler servletStreamHandler) { + this.handler = null; + this.servletStreamHandler = servletStreamHandler; + } + + @Override + public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException { + HashMap<String, String> headers = new HashMap<String, String>(); + Enumeration headerNames = request.getHeaderNames(); + while (headerNames.hasMoreElements()) { + String headerName = (String)headerNames.nextElement(); + headers.put(headerName, request.getHeader(headerName)); + } + if (handler != null) { + byte[] requestBody = IOUtils.readFully(request.getInputStream(), request.getContentLength()); + byte[] handlersResponse = handler.handle(headers, requestBody); + if (handlersResponse != null) { + response.getOutputStream().write(handlersResponse); + response.getOutputStream().flush(); + } + } + else { + try { + servletStreamHandler.handle(headers, request.getInputStream(), request.getContentLength(), response.getOutputStream()); + } + catch(RuntimeException e) { + e.printStackTrace(); + } + } + } + + public interface NotificationServletHandler { + public byte[] handle(Map<String, String> headers, byte[] payload); + } + + public interface NotificationServletStreamHandler { + public void handle(Map<String, String> headers, ServletInputStream istream, int contentLength, ServletOutputStream ostream); + } +} |