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package org.mule.transport.http; |
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|
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import org.mule.DefaultMuleEvent; |
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import org.mule.DefaultMuleMessage; |
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import org.mule.OptimizedRequestContext; |
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import org.mule.RequestContext; |
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import org.mule.api.MessagingException; |
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import org.mule.api.MuleEvent; |
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import org.mule.api.MuleException; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.config.MuleProperties; |
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import org.mule.api.construct.FlowConstruct; |
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import org.mule.api.endpoint.EndpointURI; |
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import org.mule.api.endpoint.ImmutableEndpoint; |
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import org.mule.api.endpoint.InboundEndpoint; |
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import org.mule.api.lifecycle.CreateException; |
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import org.mule.api.lifecycle.InitialisationException; |
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import org.mule.api.transport.Connector; |
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import org.mule.api.transport.MessageReceiver; |
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import org.mule.api.transport.PropertyScope; |
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import org.mule.config.i18n.Message; |
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import org.mule.config.i18n.MessageFactory; |
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import org.mule.session.DefaultMuleSession; |
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import org.mule.transport.ConnectException; |
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import org.mule.transport.NullPayload; |
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import org.mule.transport.http.i18n.HttpMessages; |
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import org.mule.transport.tcp.TcpConnector; |
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import org.mule.transport.tcp.TcpMessageReceiver; |
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import org.mule.util.MapUtils; |
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import org.mule.util.monitor.Expirable; |
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|
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import java.io.IOException; |
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import java.net.Socket; |
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import java.net.SocketAddress; |
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import java.util.Map; |
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|
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import javax.resource.spi.work.Work; |
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|
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import edu.emory.mathcs.backport.java.util.concurrent.TimeUnit; |
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|
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import org.apache.commons.httpclient.Header; |
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import org.apache.commons.httpclient.HttpVersion; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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|
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|
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|
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|
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|
60 | 0 | public class HttpMessageReceiver extends TcpMessageReceiver |
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{ |
62 | 0 | protected final Log logger = LogFactory.getLog(getClass()); |
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|
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public HttpMessageReceiver(Connector connector, FlowConstruct flowConstruct, InboundEndpoint endpoint) |
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throws CreateException |
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{ |
67 | 0 | super(connector, flowConstruct, endpoint); |
68 | 0 | } |
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|
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@Override |
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protected Work createWork(Socket socket) throws IOException |
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{ |
73 | 0 | return new HttpWorker(socket); |
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} |
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|
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@Override |
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protected void doConnect() throws ConnectException |
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{ |
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|
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|
81 | 0 | if (this.shouldConnect()) |
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{ |
83 | 0 | super.doConnect(); |
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} |
85 | 0 | } |
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|
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protected boolean shouldConnect() |
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{ |
89 | 0 | StringBuffer requestUri = new StringBuffer(80); |
90 | 0 | requestUri.append(endpoint.getProtocol()).append("://"); |
91 | 0 | requestUri.append(endpoint.getEndpointURI().getHost()); |
92 | 0 | requestUri.append(':').append(endpoint.getEndpointURI().getPort()); |
93 | 0 | requestUri.append('*'); |
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|
95 | 0 | MessageReceiver[] receivers = connector.getReceivers(requestUri.toString()); |
96 | 0 | for (MessageReceiver receiver : receivers) |
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{ |
98 | 0 | if (receiver.isConnected()) |
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{ |
100 | 0 | return false; |
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} |
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} |
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|
104 | 0 | return true; |
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} |
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|
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@SuppressWarnings("synthetic-access") |
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protected class HttpWorker implements Work, Expirable |
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{ |
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private HttpServerConnection conn; |
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private String remoteClientAddress; |
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|
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public HttpWorker(Socket socket) throws IOException |
114 | 0 | { |
115 | 0 | String encoding = endpoint.getEncoding(); |
116 | 0 | if (encoding == null) |
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{ |
118 | 0 | encoding = connector.getMuleContext().getConfiguration().getDefaultEncoding(); |
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} |
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|
121 | 0 | conn = new HttpServerConnection(socket, encoding, (HttpConnector) connector); |
122 | |
|
123 | 0 | final SocketAddress clientAddress = socket.getRemoteSocketAddress(); |
124 | 0 | if (clientAddress != null) |
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{ |
126 | 0 | remoteClientAddress = clientAddress.toString(); |
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} |
128 | 0 | } |
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|
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public void expired() |
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{ |
132 | 0 | if (conn.isOpen()) |
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{ |
134 | 0 | conn.close(); |
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} |
136 | 0 | } |
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|
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public void run() |
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{ |
140 | 0 | long keepAliveTimeout = ((TcpConnector) connector).getKeepAliveTimeout(); |
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|
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try |
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{ |
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do |
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{ |
146 | 0 | conn.setKeepAlive(false); |
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|
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|
149 | 0 | if (keepAliveTimeout > 0) |
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{ |
151 | 0 | ((HttpConnector) connector).getKeepAliveMonitor().addExpirable( |
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keepAliveTimeout, TimeUnit.MILLISECONDS, this); |
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} |
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|
155 | 0 | HttpRequest request = conn.readRequest(); |
156 | 0 | if (request == null) |
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{ |
158 | 0 | break; |
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} |
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|
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|
162 | 0 | ((HttpConnector) connector).getKeepAliveMonitor().removeExpirable(this); |
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|
164 | 0 | conn.writeResponse(processRequest(request)); |
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|
166 | 0 | if (request.getBody() != null) |
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{ |
168 | 0 | request.getBody().close(); |
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} |
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} |
171 | 0 | while (conn.isKeepAlive()); |
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} |
173 | 0 | catch (Exception e) |
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{ |
175 | 0 | getConnector().getMuleContext().getExceptionListener().handleException(e); |
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} |
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finally |
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{ |
179 | 0 | logger.debug("Closing HTTP connection."); |
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|
181 | 0 | if (conn.isOpen()) |
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{ |
183 | 0 | conn.close(); |
184 | 0 | conn = null; |
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|
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|
187 | 0 | ((HttpConnector) connector).getKeepAliveMonitor().removeExpirable(this); |
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} |
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} |
190 | 0 | } |
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|
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protected HttpResponse processRequest(HttpRequest request) throws MuleException, IOException |
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{ |
194 | 0 | RequestLine requestLine = request.getRequestLine(); |
195 | 0 | String method = requestLine.getMethod(); |
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|
197 | 0 | if (method.equals(HttpConstants.METHOD_GET) |
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|| method.equals(HttpConstants.METHOD_HEAD) |
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|| method.equals(HttpConstants.METHOD_POST) |
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|| method.equals(HttpConstants.METHOD_OPTIONS) |
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|| method.equals(HttpConstants.METHOD_PUT) |
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|| method.equals(HttpConstants.METHOD_DELETE) |
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|| method.equals(HttpConstants.METHOD_TRACE) |
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|| method.equals(HttpConstants.METHOD_CONNECT)) |
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{ |
206 | 0 | return doRequest(request); |
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} |
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else |
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{ |
210 | 0 | return doBad(requestLine); |
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} |
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} |
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|
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protected HttpResponse doRequest(HttpRequest request) throws IOException, MuleException |
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{ |
216 | 0 | sendExpect100(request); |
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|
218 | 0 | MuleMessage message = createMuleMessage(request); |
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|
220 | 0 | String path = message.getInboundProperty(HttpConnector.HTTP_REQUEST_PROPERTY); |
221 | 0 | int i = path.indexOf('?'); |
222 | 0 | if (i > -1) |
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{ |
224 | 0 | path = path.substring(0, i); |
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} |
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|
227 | 0 | message.setProperty(HttpConnector.HTTP_REQUEST_PATH_PROPERTY, path, PropertyScope.INBOUND); |
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|
229 | 0 | if (logger.isDebugEnabled()) |
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{ |
231 | 0 | logger.debug(message.getInboundProperty(HttpConnector.HTTP_REQUEST_PROPERTY)); |
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} |
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|
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|
235 | 0 | MessageReceiver receiver = getTargetReceiver(message, endpoint); |
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|
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HttpResponse response; |
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|
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|
240 | 0 | if (receiver != null) |
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{ |
242 | 0 | message.setProperty(HttpConnector.HTTP_CONTEXT_PATH_PROPERTY, |
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HttpConnector.normalizeUrl(receiver.getEndpointURI().getPath()), |
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PropertyScope.INBOUND); |
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|
246 | 0 | preRouteMessage(message); |
247 | 0 | MuleEvent returnEvent = receiver.routeMessage(message); |
248 | 0 | MuleMessage returnMessage = returnEvent == null ? null : returnEvent.getMessage(); |
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|
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Object tempResponse; |
251 | 0 | if (returnMessage != null) |
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{ |
253 | 0 | tempResponse = returnMessage.getPayload(); |
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} |
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else |
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{ |
257 | 0 | tempResponse = NullPayload.getInstance(); |
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} |
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|
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|
261 | 0 | if (tempResponse instanceof HttpResponse) |
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{ |
263 | 0 | response = (HttpResponse) tempResponse; |
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} |
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else |
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{ |
267 | 0 | response = transformResponse(returnMessage, returnEvent); |
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} |
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|
270 | 0 | response.setupKeepAliveFromRequestVersion(request.getRequestLine().getHttpVersion()); |
271 | 0 | HttpConnector httpConnector = (HttpConnector) connector; |
272 | 0 | response.disableKeepAlive(!httpConnector.isKeepAlive()); |
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|
274 | 0 | Header connectionHeader = request.getFirstHeader("Connection"); |
275 | 0 | if (connectionHeader != null) |
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{ |
277 | 0 | String value = connectionHeader.getValue(); |
278 | 0 | boolean endpointOverride = getEndpointKeepAliveValue(endpoint); |
279 | 0 | if ("keep-alive".equalsIgnoreCase(value) && endpointOverride) |
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{ |
281 | 0 | response.setKeepAlive(true); |
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|
283 | 0 | if (response.getHttpVersion().equals(HttpVersion.HTTP_1_0)) |
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{ |
285 | 0 | connectionHeader = new Header(HttpConstants.HEADER_CONNECTION, "Keep-Alive"); |
286 | 0 | response.setHeader(connectionHeader); |
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} |
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} |
289 | 0 | else if ("close".equalsIgnoreCase(value)) |
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{ |
291 | 0 | response.setKeepAlive(false); |
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} |
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} |
294 | 0 | } |
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else |
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{ |
297 | 0 | response = buildFailureResponse(request.getRequestLine(), message); |
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} |
299 | 0 | return response; |
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} |
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|
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|
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|
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|
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|
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private boolean getEndpointKeepAliveValue(ImmutableEndpoint ep) |
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{ |
308 | 0 | String value = (String) ep.getProperty("keepAlive"); |
309 | 0 | if (value != null) |
310 | |
{ |
311 | 0 | return Boolean.parseBoolean(value); |
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} |
313 | 0 | return true; |
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} |
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|
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protected HttpResponse doOtherValid(RequestLine requestLine, String method) throws MuleException |
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{ |
318 | 0 | MuleMessage message = createMuleMessage(null); |
319 | 0 | MuleEvent event = new DefaultMuleEvent(message, endpoint, new DefaultMuleSession(connector.getMuleContext())); |
320 | 0 | OptimizedRequestContext.unsafeSetEvent(event); |
321 | 0 | HttpResponse response = new HttpResponse(); |
322 | 0 | response.setStatusLine(requestLine.getHttpVersion(), HttpConstants.SC_METHOD_NOT_ALLOWED); |
323 | 0 | response.setBody(HttpMessages.methodNotAllowed(method).toString() + HttpConstants.CRLF); |
324 | 0 | return transformResponse(response, event); |
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} |
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|
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protected HttpResponse doBad(RequestLine requestLine) throws MuleException |
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{ |
329 | 0 | MuleMessage message = createMuleMessage(null); |
330 | 0 | MuleEvent event = new DefaultMuleEvent(message, endpoint, new DefaultMuleSession(connector.getMuleContext())); |
331 | 0 | OptimizedRequestContext.unsafeSetEvent(event); |
332 | 0 | HttpResponse response = new HttpResponse(); |
333 | 0 | response.setStatusLine(requestLine.getHttpVersion(), HttpConstants.SC_BAD_REQUEST); |
334 | 0 | response.setBody(HttpMessages.malformedSyntax().toString() + HttpConstants.CRLF); |
335 | 0 | return transformResponse(response, event); |
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} |
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|
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private void sendExpect100(HttpRequest request) throws MuleException, IOException |
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{ |
340 | 0 | RequestLine requestLine = request.getRequestLine(); |
341 | |
|
342 | |
|
343 | |
|
344 | |
|
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|
346 | 0 | HttpVersion requestVersion = requestLine.getHttpVersion(); |
347 | 0 | if (HttpVersion.HTTP_1_1.equals(requestVersion)) |
348 | |
{ |
349 | 0 | Header expectHeader = request.getFirstHeader(HttpConstants.HEADER_EXPECT); |
350 | 0 | if (expectHeader != null) |
351 | |
{ |
352 | 0 | String expectHeaderValue = expectHeader.getValue(); |
353 | 0 | if (HttpConstants.HEADER_EXPECT_CONTINUE_REQUEST_VALUE.equals(expectHeaderValue)) |
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{ |
355 | 0 | HttpResponse expected = new HttpResponse(); |
356 | 0 | expected.setStatusLine(requestLine.getHttpVersion(), HttpConstants.SC_CONTINUE); |
357 | 0 | final DefaultMuleEvent event = new DefaultMuleEvent(new DefaultMuleMessage(expected, |
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connector.getMuleContext()), endpoint, new DefaultMuleSession(flowConstruct, |
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connector.getMuleContext())); |
360 | 0 | RequestContext.setEvent(event); |
361 | 0 | conn.writeResponse(transformResponse(expected, event)); |
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} |
363 | |
} |
364 | |
} |
365 | 0 | } |
366 | |
|
367 | |
protected HttpResponse buildFailureResponse(RequestLine requestLine, MuleMessage message) throws MuleException |
368 | |
{ |
369 | 0 | EndpointURI uri = endpoint.getEndpointURI(); |
370 | 0 | String failedPath = String.format("%s://%s:%d%s", |
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uri.getScheme(), uri.getHost(), uri.getPort(), |
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message.getInboundProperty(HttpConnector.HTTP_REQUEST_PATH_PROPERTY)); |
373 | |
|
374 | 0 | if (logger.isDebugEnabled()) |
375 | |
{ |
376 | 0 | logger.debug("Failed to bind to " + failedPath); |
377 | |
} |
378 | |
|
379 | 0 | HttpResponse response = new HttpResponse(); |
380 | 0 | response.setStatusLine(requestLine.getHttpVersion(), HttpConstants.SC_NOT_FOUND); |
381 | 0 | response.setBody(HttpMessages.cannotBindToAddress(failedPath).toString()); |
382 | 0 | DefaultMuleEvent event = new DefaultMuleEvent(new DefaultMuleMessage(response, connector.getMuleContext()), endpoint, |
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new DefaultMuleSession(flowConstruct, connector.getMuleContext())); |
384 | 0 | RequestContext.setEvent(event); |
385 | |
|
386 | 0 | return transformResponse(response, event); |
387 | |
} |
388 | |
|
389 | |
protected void preRouteMessage(MuleMessage message) throws MessagingException |
390 | |
{ |
391 | 0 | message.setProperty(MuleProperties.MULE_REMOTE_CLIENT_ADDRESS, remoteClientAddress, PropertyScope.INBOUND); |
392 | 0 | } |
393 | |
|
394 | |
public void release() |
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{ |
396 | 0 | conn.close(); |
397 | 0 | conn = null; |
398 | 0 | } |
399 | |
} |
400 | |
|
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protected MessageReceiver getTargetReceiver(MuleMessage message, ImmutableEndpoint ep) |
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throws ConnectException |
403 | |
{ |
404 | 0 | String path = message.getInboundProperty(HttpConnector.HTTP_REQUEST_PROPERTY); |
405 | 0 | int i = path.indexOf('?'); |
406 | 0 | if (i > -1) |
407 | |
{ |
408 | 0 | path = path.substring(0, i); |
409 | |
} |
410 | |
|
411 | 0 | StringBuffer requestUri = new StringBuffer(80); |
412 | 0 | if (path.indexOf("://") == -1) |
413 | |
{ |
414 | 0 | requestUri.append(ep.getProtocol()).append("://"); |
415 | 0 | requestUri.append(ep.getEndpointURI().getHost()); |
416 | 0 | requestUri.append(':').append(ep.getEndpointURI().getPort()); |
417 | |
|
418 | 0 | if (!"/".equals(path)) |
419 | |
{ |
420 | 0 | requestUri.append(path); |
421 | |
} |
422 | |
} |
423 | |
|
424 | 0 | String uriStr = requestUri.toString(); |
425 | |
|
426 | 0 | if (logger.isTraceEnabled()) |
427 | |
{ |
428 | 0 | logger.trace("Looking up receiver on connector: " + connector.getName() + " with URI key: " |
429 | |
+ requestUri.toString()); |
430 | |
} |
431 | |
|
432 | 0 | MessageReceiver receiver = connector.lookupReceiver(uriStr); |
433 | |
|
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|
435 | |
|
436 | 0 | if (receiver == null && !"/".equals(path)) |
437 | |
{ |
438 | 0 | if (logger.isDebugEnabled()) |
439 | |
{ |
440 | 0 | logger.debug("Secondary lookup of receiver on connector: " + connector.getName() |
441 | |
+ " with URI key: " + requestUri.toString()); |
442 | |
} |
443 | |
|
444 | 0 | receiver = findReceiverByStem(connector.getReceivers(), uriStr); |
445 | |
|
446 | 0 | if (receiver == null && logger.isWarnEnabled()) |
447 | |
{ |
448 | 0 | logger.warn("No receiver found with secondary lookup on connector: " + connector.getName() |
449 | |
+ " with URI key: " + requestUri.toString()); |
450 | 0 | logger.warn("Receivers on connector are: " |
451 | |
+ MapUtils.toString(connector.getReceivers(), true)); |
452 | |
} |
453 | |
} |
454 | |
|
455 | 0 | return receiver; |
456 | |
} |
457 | |
|
458 | |
protected HttpResponse transformResponse(Object response, MuleEvent event) throws MuleException |
459 | |
{ |
460 | |
MuleMessage message; |
461 | 0 | if (response instanceof MuleMessage) |
462 | |
{ |
463 | 0 | message = (MuleMessage) response; |
464 | |
} |
465 | |
else |
466 | |
{ |
467 | 0 | message = new DefaultMuleMessage(response, connector.getMuleContext()); |
468 | |
} |
469 | |
|
470 | |
|
471 | 0 | message.applyTransformers(null, defaultResponseTransformers, HttpResponse.class); |
472 | 0 | return (HttpResponse) message.getPayload(); |
473 | |
} |
474 | |
|
475 | |
public static MessageReceiver findReceiverByStem(Map<Object, MessageReceiver> receivers, String uriStr) |
476 | |
{ |
477 | 0 | int match = 0; |
478 | 0 | MessageReceiver receiver = null; |
479 | 0 | for (Map.Entry<Object, MessageReceiver> e : receivers.entrySet()) |
480 | |
{ |
481 | 0 | String key = (String) e.getKey(); |
482 | 0 | MessageReceiver candidate = e.getValue(); |
483 | 0 | if (uriStr.startsWith(key) && match < key.length()) |
484 | |
{ |
485 | 0 | match = key.length(); |
486 | 0 | receiver = candidate; |
487 | |
} |
488 | 0 | } |
489 | 0 | return receiver; |
490 | |
} |
491 | |
|
492 | |
@Override |
493 | |
protected void initializeMessageFactory() throws InitialisationException |
494 | |
{ |
495 | |
HttpMuleMessageFactory factory; |
496 | |
try |
497 | |
{ |
498 | 0 | factory = (HttpMuleMessageFactory) super.createMuleMessageFactory(); |
499 | |
|
500 | 0 | boolean enableCookies = MapUtils.getBooleanValue(endpoint.getProperties(), |
501 | |
HttpConnector.HTTP_ENABLE_COOKIES_PROPERTY, ((HttpConnector) connector).isEnableCookies()); |
502 | 0 | factory.setEnableCookies(enableCookies); |
503 | |
|
504 | 0 | String cookieSpec = MapUtils.getString(endpoint.getProperties(), |
505 | |
HttpConnector.HTTP_COOKIE_SPEC_PROPERTY, ((HttpConnector) connector).getCookieSpec()); |
506 | 0 | factory.setCookieSpec(cookieSpec); |
507 | |
|
508 | 0 | factory.setExchangePattern(endpoint.getExchangePattern()); |
509 | |
|
510 | 0 | muleMessageFactory = factory; |
511 | |
} |
512 | 0 | catch (CreateException ce) |
513 | |
{ |
514 | 0 | Message message = MessageFactory.createStaticMessage(ce.getMessage()); |
515 | 0 | throw new InitialisationException(message, ce, this); |
516 | 0 | } |
517 | 0 | } |
518 | |
|
519 | |
@Override |
520 | |
protected MuleMessage handleUnacceptedFilter(MuleMessage message) |
521 | |
{ |
522 | 0 | if (logger.isDebugEnabled()) |
523 | |
{ |
524 | 0 | logger.debug("Message request '" |
525 | |
+ message.getInboundProperty(HttpConnector.HTTP_REQUEST_PROPERTY) |
526 | |
+ "' is being rejected since it does not match the filter on this endpoint: " |
527 | |
+ endpoint); |
528 | |
} |
529 | 0 | message.setOutboundProperty(HttpConnector.HTTP_STATUS_PROPERTY, String.valueOf(HttpConstants.SC_NOT_ACCEPTABLE)); |
530 | 0 | return message; |
531 | |
} |
532 | |
} |