| /** |
| * 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.activemq.transport.stomp; |
| |
| import java.io.IOException; |
| import java.security.cert.X509Certificate; |
| |
| import javax.jms.JMSException; |
| |
| import org.apache.activemq.broker.BrokerContext; |
| import org.apache.activemq.command.Command; |
| import org.apache.activemq.transport.Transport; |
| import org.apache.activemq.transport.TransportFilter; |
| import org.apache.activemq.transport.TransportListener; |
| import org.apache.activemq.transport.tcp.SslTransport; |
| import org.apache.activemq.util.IOExceptionSupport; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * The StompTransportFilter normally sits on top of a TcpTransport that has been |
| * configured with the StompWireFormat and is used to convert STOMP commands to |
| * ActiveMQ commands. All of the conversion work is done by delegating to the |
| * ProtocolConverter. |
| * |
| * @author <a href="http://hiramchirino.com">chirino</a> |
| */ |
| public class StompTransportFilter extends TransportFilter implements StompTransport { |
| private static final Logger LOG = LoggerFactory.getLogger(StompTransportFilter.class); |
| private final ProtocolConverter protocolConverter; |
| private final FrameTranslator frameTranslator; |
| |
| private boolean trace; |
| |
| public StompTransportFilter(Transport next, FrameTranslator translator, BrokerContext brokerContext) { |
| super(next); |
| this.frameTranslator = translator; |
| this.protocolConverter = new ProtocolConverter(this, translator, brokerContext); |
| } |
| |
| public void oneway(Object o) throws IOException { |
| try { |
| final Command command = (Command)o; |
| protocolConverter.onActiveMQCommand(command); |
| } catch (JMSException e) { |
| throw IOExceptionSupport.create(e); |
| } |
| } |
| |
| public void onCommand(Object command) { |
| try { |
| if (trace) { |
| LOG.trace("Received: \n" + command); |
| } |
| |
| protocolConverter.onStompCommand((StompFrame)command); |
| } catch (IOException e) { |
| onException(e); |
| } catch (JMSException e) { |
| onException(IOExceptionSupport.create(e)); |
| } |
| } |
| |
| public void sendToActiveMQ(Command command) { |
| TransportListener l = transportListener; |
| if (l!=null) { |
| l.onCommand(command); |
| } |
| } |
| |
| public void sendToStomp(StompFrame command) throws IOException { |
| if (trace) { |
| LOG.trace("Sending: \n" + command); |
| } |
| Transport n = next; |
| if (n!=null) { |
| n.oneway(command); |
| } |
| } |
| |
| public FrameTranslator getFrameTranslator() { |
| return frameTranslator; |
| } |
| |
| public X509Certificate[] getPeerCertificates() { |
| if(next instanceof SslTransport) { |
| X509Certificate[] peerCerts = ((SslTransport)next).getPeerCertificates(); |
| if (trace && peerCerts != null) { |
| LOG.debug("Peer Identity has been verified\n"); |
| } |
| return peerCerts; |
| } |
| return null; |
| } |
| |
| public boolean isTrace() { |
| return trace; |
| } |
| |
| public void setTrace(boolean trace) { |
| this.trace = trace; |
| } |
| } |