| /* |
| * 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 flex.messaging.endpoints; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import flex.management.runtime.messaging.endpoints.HTTPEndpointControl; |
| import flex.messaging.MessageBroker; |
| import flex.messaging.endpoints.amf.AMFFilter; |
| import flex.messaging.endpoints.amf.BatchProcessFilter; |
| import flex.messaging.endpoints.amf.MessageBrokerFilter; |
| import flex.messaging.endpoints.amf.SerializationFilter; |
| import flex.messaging.endpoints.amf.SessionFilter; |
| import flex.messaging.io.MessageIOConstants; |
| import flex.messaging.log.LogCategories; |
| import flex.messaging.messages.Message; |
| import flex.messaging.security.SecurityException; |
| |
| /** |
| * This class replaces Flex 1.5's ProxyServlet by splitting |
| * the proxy's functionality into two pieces. Requests for proxied HTTP |
| * content can now be sent using a message type via any channel. |
| * The message broker directs requests to the appropriate service, |
| * in Flex 1.5 terms, the Proxy Service. The response from the proxy |
| * request is streamed back to the client. |
| */ |
| public class HTTPEndpoint extends BasePollingHTTPEndpoint { |
| public static final String LOG_CATEGORY = LogCategories.ENDPOINT_HTTP; |
| |
| private static final int IMPROPER_CONTENT_TYPE = 10068; |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Constructor |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * Constructs an unmanaged <code>HTTPEndpoint</code>. |
| */ |
| public HTTPEndpoint() { |
| this(false); |
| } |
| |
| /** |
| * Constructs a <code>HTTPEndpoint</code> with the indicated management. |
| * |
| * @param enableManagement <code>true</code> if the <code>HTTPEndpoint</code> |
| * is manageable; <code>false</code> otherwise. |
| */ |
| public HTTPEndpoint(boolean enableManagement) { |
| super(enableManagement); |
| } |
| |
| /** |
| * Currently this override is a no-op to disable small messages over HTTP |
| * endpoints. |
| */ |
| @Override |
| public Message convertToSmallMessage(Message message) { |
| return message; |
| } |
| |
| /** |
| * Overrides to check the request content type is application/xml. |
| * |
| * @param req The servlet request. |
| * @param res The servlet response. |
| */ |
| @Override |
| public void service(HttpServletRequest req, HttpServletResponse res) { |
| String contentType = req.getContentType(); |
| boolean xmlContentType = contentType == null || contentType.equals(MessageIOConstants.XML_CONTENT_TYPE); |
| if (!xmlContentType) { |
| // HTTP endpoint ''{0}'' must be contacted via a HTTP request with proper content type. |
| SecurityException se = new SecurityException(); |
| se.setMessage(IMPROPER_CONTENT_TYPE, new Object[]{id}); |
| throw se; |
| } |
| |
| super.service(req, res); |
| } |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Protected/Private Methods |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * Create default filter chain or return current one if already present. |
| */ |
| @Override |
| protected AMFFilter createFilterChain() { |
| AMFFilter serializationFilter = new SerializationFilter(getLogCategory()); |
| AMFFilter batchFilter = new BatchProcessFilter(); |
| AMFFilter sessionFilter = sessionRewritingEnabled ? new SessionFilter() : null; |
| AMFFilter messageBrokerFilter = new MessageBrokerFilter(this); |
| |
| serializationFilter.setNext(batchFilter); |
| if (sessionFilter != null) { |
| batchFilter.setNext(sessionFilter); |
| sessionFilter.setNext(messageBrokerFilter); |
| } else { |
| batchFilter.setNext(messageBrokerFilter); |
| } |
| |
| return serializationFilter; |
| } |
| |
| /** |
| * Returns MessageIOConstants.XML_CONTENT_TYPE. |
| */ |
| @Override |
| protected String getResponseContentType() { |
| return MessageIOConstants.XML_CONTENT_TYPE; |
| } |
| |
| /** |
| * Returns the log category of the endpoint. |
| * |
| * @return The log category of the endpoint. |
| */ |
| @Override |
| protected String getLogCategory() { |
| return LOG_CATEGORY; |
| } |
| |
| /** |
| * Returns the deserializer class name used by the endpoint. |
| * |
| * @return The deserializer class name used by the endpoint. |
| */ |
| @Override |
| protected String getDeserializerClassName() { |
| return "flex.messaging.io.amfx.AmfxMessageDeserializer"; |
| } |
| |
| /** |
| * Returns the serializer class name used by the endpoint. |
| * |
| * @return The serializer class name used by the endpoint. |
| */ |
| @Override |
| protected String getSerializerClassName() { |
| return "flex.messaging.io.amfx.AmfxMessageSerializer"; |
| } |
| |
| /** |
| * Invoked automatically to allow the <code>HTTPEndpoint</code> to setup its |
| * corresponding MBean control. |
| * |
| * @param broker The <code>MessageBroker</code> that manages this |
| * <code>HTTPEndpoint</code>. |
| */ |
| @Override |
| protected void setupEndpointControl(MessageBroker broker) { |
| controller = new HTTPEndpointControl(this, broker.getControl()); |
| controller.register(); |
| setControl(controller); |
| } |
| } |