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package org.mule.providers.http; |
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|
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import org.mule.impl.MuleEvent; |
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import org.mule.impl.MuleMessage; |
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import org.mule.impl.MuleSession; |
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import org.mule.impl.NullSessionHandler; |
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import org.mule.impl.OptimizedRequestContext; |
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import org.mule.impl.RequestContext; |
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import org.mule.providers.ConnectException; |
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import org.mule.providers.NullPayload; |
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import org.mule.providers.http.i18n.HttpMessages; |
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import org.mule.providers.tcp.TcpMessageReceiver; |
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import org.mule.umo.MessagingException; |
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import org.mule.umo.UMOComponent; |
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import org.mule.umo.UMOEvent; |
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import org.mule.umo.UMOException; |
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import org.mule.umo.UMOMessage; |
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import org.mule.umo.endpoint.UMOEndpoint; |
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import org.mule.umo.endpoint.UMOEndpointURI; |
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import org.mule.umo.lifecycle.InitialisationException; |
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import org.mule.umo.provider.UMOConnector; |
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import org.mule.umo.provider.UMOMessageAdapter; |
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import org.mule.umo.provider.UMOMessageReceiver; |
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import org.mule.umo.transformer.TransformerException; |
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import org.mule.util.MapUtils; |
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import org.mule.util.ObjectUtils; |
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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.util.HashMap; |
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import java.util.Iterator; |
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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 org.apache.commons.httpclient.Cookie; |
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import org.apache.commons.httpclient.Header; |
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import org.apache.commons.httpclient.cookie.MalformedCookieException; |
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|
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|
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|
54 | 0 | public class HttpMessageReceiver extends TcpMessageReceiver |
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{ |
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|
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public HttpMessageReceiver(UMOConnector connector, UMOComponent component, UMOEndpoint endpoint) |
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throws InitialisationException |
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{ |
60 | 0 | super(connector, component, endpoint); |
61 | 0 | } |
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|
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|
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protected Work createWork(Socket socket) throws IOException |
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{ |
66 | 0 | return new HttpWorker(socket); |
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} |
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|
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|
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protected void doConnect() throws ConnectException |
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{ |
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|
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|
74 | 0 | if (this.shouldConnect()) |
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{ |
76 | 0 | super.doConnect(); |
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} |
78 | 0 | } |
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|
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protected boolean shouldConnect() |
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{ |
82 | 0 | StringBuffer requestUri = new StringBuffer(80); |
83 | 0 | requestUri.append(endpoint.getProtocol()).append("://"); |
84 | 0 | requestUri.append(endpoint.getEndpointURI().getHost()); |
85 | 0 | requestUri.append(':').append(endpoint.getEndpointURI().getPort()); |
86 | 0 | requestUri.append('*'); |
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|
88 | 0 | UMOMessageReceiver[] receivers = connector.getReceivers(requestUri.toString()); |
89 | 0 | for (int i = 0; i < receivers.length; i++) |
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{ |
91 | 0 | if (receivers[i].isConnected()) |
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{ |
93 | 0 | return false; |
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} |
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} |
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|
97 | 0 | return true; |
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} |
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|
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|
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|
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protected UMOMessage handleUnacceptedFilter(UMOMessage message) |
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{ |
104 | 0 | if(logger.isDebugEnabled()) |
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{ |
106 | 0 | logger.debug("Message request '" + message.getProperty(HttpConnector.HTTP_REQUEST_PROPERTY) |
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+ "' is being rejected since it does not match the filter on this endpoint: " + endpoint); |
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} |
109 | 0 | message.setProperty(HttpConnector.HTTP_STATUS_PROPERTY, String.valueOf(HttpConstants.SC_NOT_ACCEPTABLE)); |
110 | 0 | return message; |
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} |
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|
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private class HttpWorker implements Work |
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{ |
115 | 0 | private HttpServerConnection conn = null; |
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private String cookieSpec; |
117 | 0 | private boolean enableCookies = false; |
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|
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public HttpWorker(Socket socket) throws IOException |
120 | 0 | { |
121 | 0 | if (endpoint.getEncoding() != null) |
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{ |
123 | 0 | conn = new HttpServerConnection(socket, endpoint.getEncoding()); |
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} |
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else |
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{ |
127 | 0 | conn = new HttpServerConnection(socket); |
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} |
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|
130 | 0 | cookieSpec = |
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MapUtils.getString(endpoint.getProperties(), HttpConnector.HTTP_COOKIE_SPEC_PROPERTY, |
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((HttpConnector)connector).getCookieSpec()); |
133 | 0 | enableCookies = |
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MapUtils.getBooleanValue(endpoint.getProperties(), HttpConnector.HTTP_ENABLE_COOKIES_PROPERTY, |
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((HttpConnector)connector).isEnableCookies()); |
136 | 0 | } |
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|
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public void run() |
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{ |
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try |
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{ |
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do |
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{ |
144 | 0 | conn.setKeepAlive(false); |
145 | 0 | HttpRequest request = conn.readRequest(); |
146 | 0 | if (request == null) |
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{ |
148 | 0 | break; |
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} |
150 | 0 | conn.writeResponse(processRequest(request)); |
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} |
152 | 0 | while (conn.isKeepAlive()); |
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} |
154 | 0 | catch (Exception e) |
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{ |
156 | 0 | handleException(e); |
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} |
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finally |
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{ |
160 | 0 | conn.close(); |
161 | 0 | conn = null; |
162 | 0 | } |
163 | 0 | } |
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|
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protected HttpResponse processRequest(HttpRequest request) throws UMOException, IOException |
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{ |
167 | 0 | RequestLine requestLine = request.getRequestLine(); |
168 | 0 | String method = requestLine.getMethod(); |
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|
170 | 0 | if (method.equals(HttpConstants.METHOD_HEAD)) |
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{ |
172 | 0 | return doHead(requestLine); |
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} |
174 | 0 | else if (method.equals(HttpConstants.METHOD_GET) |
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|| method.equals(HttpConstants.METHOD_POST)) |
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{ |
177 | 0 | return doGetOrPost(request, requestLine); |
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} |
179 | 0 | else if (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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{ |
185 | 0 | return doOtherValid(requestLine, method); |
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} |
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else |
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{ |
189 | 0 | return doBad(requestLine); |
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} |
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} |
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|
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protected HttpResponse doHead(RequestLine requestLine) throws UMOException |
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{ |
195 | 0 | UMOMessage message = new MuleMessage(NullPayload.getInstance()); |
196 | 0 | UMOEvent event = new MuleEvent(message, endpoint, new MuleSession(message, new NullSessionHandler()), true); |
197 | 0 | OptimizedRequestContext.unsafeSetEvent(event); |
198 | 0 | HttpResponse response = new HttpResponse(); |
199 | 0 | response.setStatusLine(requestLine.getHttpVersion(), HttpConstants.SC_OK); |
200 | 0 | response = (HttpResponse)connector.getDefaultResponseTransformer().transform(response); |
201 | 0 | return response; |
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} |
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|
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protected HttpResponse doGetOrPost(HttpRequest request, RequestLine requestLine) throws IOException, UMOException |
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{ |
206 | 0 | Map headers = parseHeaders(request); |
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|
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|
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UMOMessageAdapter adapter; |
210 | 0 | if (endpoint.isStreaming() && request.getBody() != null) |
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{ |
212 | 0 | adapter = buildStreamingAdapter(request, headers); |
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} |
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else |
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{ |
216 | 0 | adapter = buildStandardAdapter(request, headers); |
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} |
218 | 0 | UMOMessage message = new MuleMessage(adapter); |
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|
220 | 0 | if (logger.isDebugEnabled()) |
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{ |
222 | 0 | logger.debug(message.getProperty(HttpConnector.HTTP_REQUEST_PROPERTY)); |
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} |
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|
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|
226 | 0 | UMOMessageReceiver receiver = getTargetReceiver(message, endpoint); |
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|
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HttpResponse response; |
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|
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|
231 | 0 | if (receiver != null) |
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{ |
233 | 0 | UMOMessage returnMessage = receiver.routeMessage(message, endpoint.isSynchronous(), null); |
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|
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Object tempResponse; |
236 | 0 | if (returnMessage != null) |
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{ |
238 | 0 | tempResponse = returnMessage.getPayload(); |
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} |
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else |
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{ |
242 | 0 | tempResponse = NullPayload.getInstance(); |
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} |
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|
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|
246 | 0 | if (tempResponse instanceof HttpResponse) |
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{ |
248 | 0 | response = (HttpResponse)tempResponse; |
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} |
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else |
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{ |
252 | 0 | response = (HttpResponse)connector.getDefaultResponseTransformer().transform(tempResponse); |
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} |
254 | 0 | response.disableKeepAlive(!((HttpConnector)connector).isKeepAlive()); |
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} |
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else |
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{ |
258 | 0 | response = buildFailureResponse(requestLine, message); |
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} |
260 | 0 | return response; |
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} |
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|
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protected HttpResponse doOtherValid(RequestLine requestLine, String method) throws UMOException |
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{ |
265 | 0 | UMOMessage message = new MuleMessage(NullPayload.getInstance()); |
266 | 0 | UMOEvent event = new MuleEvent(message, endpoint, new MuleSession(message, new NullSessionHandler()), true); |
267 | 0 | OptimizedRequestContext.unsafeSetEvent(event); |
268 | 0 | HttpResponse response = new HttpResponse(); |
269 | 0 | response.setStatusLine(requestLine.getHttpVersion(), HttpConstants.SC_METHOD_NOT_ALLOWED); |
270 | 0 | response.setBodyString(HttpMessages.methodNotAllowed(method).toString() + HttpConstants.CRLF); |
271 | 0 | response = (HttpResponse)connector.getDefaultResponseTransformer().transform(response); |
272 | 0 | return response; |
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} |
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|
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protected HttpResponse doBad(RequestLine requestLine) throws UMOException |
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{ |
277 | 0 | UMOMessage message = new MuleMessage(NullPayload.getInstance()); |
278 | 0 | UMOEvent event = new MuleEvent(message, endpoint, new MuleSession(message, new NullSessionHandler()), true); |
279 | 0 | OptimizedRequestContext.unsafeSetEvent(event); |
280 | 0 | HttpResponse response = new HttpResponse(); |
281 | 0 | response.setStatusLine(requestLine.getHttpVersion(), HttpConstants.SC_BAD_REQUEST); |
282 | 0 | response.setBodyString(HttpMessages.malformedSyntax().toString() + HttpConstants.CRLF); |
283 | 0 | response = (HttpResponse)connector.getDefaultResponseTransformer().transform(response); |
284 | 0 | return response; |
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} |
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|
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protected UMOMessageAdapter buildStreamingAdapter(HttpRequest request, Map headers) throws MessagingException |
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{ |
289 | 0 | UMOMessageAdapter adapter = connector.getStreamMessageAdapter(request.getBody(), conn.getOutputStream()); |
290 | 0 | for (Iterator iterator = headers.entrySet().iterator(); iterator.hasNext();) |
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{ |
292 | 0 | Map.Entry entry = (Map.Entry)iterator.next(); |
293 | 0 | adapter.setProperty((String)entry.getKey(), entry.getValue()); |
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} |
295 | 0 | return adapter; |
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} |
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|
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protected UMOMessageAdapter buildStandardAdapter(HttpRequest request, Map headers) throws MessagingException, TransformerException, IOException |
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{ |
300 | 0 | RequestLine requestLine = request.getRequestLine(); |
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|
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|
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|
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|
305 | 0 | if (HttpConstants.HTTP11.equals(headers.get(HttpConnector.HTTP_VERSION_PROPERTY))) |
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{ |
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|
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|
309 | 0 | String expectHeaderValue = ObjectUtils.toString( |
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headers.get(HttpConstants.HEADER_EXPECT)).toLowerCase(); |
311 | 0 | if (HttpConstants.HEADER_EXPECT_CONTINUE_REQUEST_VALUE.equals(expectHeaderValue)) |
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{ |
313 | 0 | HttpResponse expected = new HttpResponse(); |
314 | 0 | expected.setStatusLine(requestLine.getHttpVersion(), HttpConstants.SC_CONTINUE); |
315 | 0 | final MuleEvent event = new MuleEvent(new MuleMessage(expected), endpoint, |
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new MuleSession(component), true); |
317 | 0 | RequestContext.setEvent(event); |
318 | 0 | expected = (HttpResponse)connector.getDefaultResponseTransformer().transform( |
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expected); |
320 | 0 | conn.writeResponse(expected); |
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} |
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} |
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|
324 | 0 | Object body = request.getBodyBytes(); |
325 | 0 | if (body == null) |
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{ |
327 | 0 | body = requestLine.getUri(); |
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} |
329 | 0 | return connector.getMessageAdapter(new Object[]{body, headers}); |
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} |
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|
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protected HttpResponse buildFailureResponse(RequestLine requestLine, UMOMessage message) throws TransformerException |
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{ |
334 | 0 | UMOEndpointURI uri = endpoint.getEndpointURI(); |
335 | 0 | String failedPath = uri.getScheme() + "://" + uri.getHost() + ":" + uri.getPort() |
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+ getRequestPath(message); |
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|
338 | 0 | if (logger.isDebugEnabled()) |
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{ |
340 | 0 | logger.debug("Failed to bind to " + failedPath); |
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} |
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|
343 | 0 | HttpResponse response = new HttpResponse(); |
344 | 0 | response.setStatusLine(requestLine.getHttpVersion(), HttpConstants.SC_NOT_FOUND); |
345 | 0 | response.setBodyString(HttpMessages.cannotBindToAddress(failedPath).toString()); |
346 | 0 | RequestContext.setEvent(new MuleEvent(new MuleMessage(response), endpoint, |
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new MuleSession(component), true)); |
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|
349 | 0 | return (HttpResponse)connector.getDefaultResponseTransformer().transform(response); |
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} |
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|
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protected Map parseHeaders(HttpRequest request) throws MalformedCookieException |
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{ |
354 | 0 | RequestLine requestLine = request.getRequestLine(); |
355 | 0 | Map headers = new HashMap(); |
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|
357 | 0 | for (Iterator rhi = request.getHeaderIterator(); rhi.hasNext();) |
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{ |
359 | 0 | Header header = (Header)rhi.next(); |
360 | 0 | String headerName = header.getName(); |
361 | 0 | Object headerValue = header.getValue(); |
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|
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|
364 | 0 | if (headerName.startsWith("X-MULE")) |
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{ |
366 | 0 | headerName = headerName.substring(2); |
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} |
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|
369 | 0 | else if (headerName.equals(HttpConnector.HTTP_COOKIES_PROPERTY)) |
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{ |
371 | 0 | if (enableCookies) |
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{ |
373 | 0 | Cookie[] cookies = CookieHelper.parseCookies(header, cookieSpec); |
374 | 0 | if (cookies.length > 0) |
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{ |
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|
377 | 0 | headerValue = cookies; |
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} |
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else |
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{ |
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|
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continue; |
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} |
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} |
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else |
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{ |
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|
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continue; |
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} |
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} |
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|
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|
393 | 0 | headers.put(headerName, headerValue); |
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} |
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|
396 | 0 | headers.put(HttpConnector.HTTP_METHOD_PROPERTY, requestLine.getMethod()); |
397 | 0 | headers.put(HttpConnector.HTTP_REQUEST_PROPERTY, requestLine.getUri()); |
398 | 0 | headers.put(HttpConnector.HTTP_VERSION_PROPERTY, requestLine.getHttpVersion().toString()); |
399 | 0 | headers.put(HttpConnector.HTTP_COOKIE_SPEC_PROPERTY, cookieSpec); |
400 | 0 | return headers; |
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} |
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|
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public void release() |
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{ |
405 | 0 | conn.close(); |
406 | 0 | conn = null; |
407 | 0 | } |
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|
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} |
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|
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protected String getRequestPath(UMOMessage message) |
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{ |
413 | 0 | String path = (String)message.getProperty(HttpConnector.HTTP_REQUEST_PROPERTY); |
414 | 0 | int i = path.indexOf('?'); |
415 | 0 | if (i > -1) |
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{ |
417 | 0 | path = path.substring(0, i); |
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} |
419 | 0 | return path; |
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} |
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|
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protected UMOMessageReceiver getTargetReceiver(UMOMessage message, UMOEndpoint endpoint) |
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throws ConnectException |
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{ |
425 | 0 | String path = (String)message.getProperty(HttpConnector.HTTP_REQUEST_PROPERTY); |
426 | 0 | int i = path.indexOf('?'); |
427 | 0 | if (i > -1) |
428 | |
{ |
429 | 0 | path = path.substring(0, i); |
430 | |
} |
431 | |
|
432 | 0 | StringBuffer requestUri = new StringBuffer(80); |
433 | 0 | requestUri.append(endpoint.getProtocol()).append("://"); |
434 | 0 | requestUri.append(endpoint.getEndpointURI().getHost()); |
435 | 0 | requestUri.append(':').append(endpoint.getEndpointURI().getPort()); |
436 | |
|
437 | |
|
438 | 0 | if (logger.isTraceEnabled()) |
439 | |
{ |
440 | 0 | logger.trace("Looking up receiver on connector: " + connector.getName() + " with URI key: " |
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+ requestUri.toString()); |
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} |
443 | |
|
444 | 0 | UMOMessageReceiver receiver = connector.lookupReceiver(requestUri.toString()); |
445 | |
|
446 | |
|
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|
448 | 0 | if (receiver == null && !"/".equals(path)) |
449 | |
{ |
450 | |
|
451 | 0 | int x = path.lastIndexOf('/'); |
452 | 0 | if (x > 1 && path.indexOf('.') > x) |
453 | |
{ |
454 | 0 | requestUri.append(path.substring(0, x)); |
455 | |
} |
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else |
457 | |
{ |
458 | 0 | requestUri.append(path); |
459 | |
} |
460 | |
|
461 | 0 | if (logger.isTraceEnabled()) |
462 | |
{ |
463 | 0 | logger.trace("Secondary lookup of receiver on connector: " + connector.getName() |
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+ " with URI key: " + requestUri.toString()); |
465 | |
} |
466 | |
|
467 | |
|
468 | 0 | receiver = connector.lookupReceiver(requestUri.toString()); |
469 | 0 | if (receiver == null && logger.isWarnEnabled()) |
470 | |
{ |
471 | 0 | logger.warn("No receiver found with secondary lookup on connector: " + connector.getName() |
472 | |
+ " with URI key: " + requestUri.toString()); |
473 | 0 | logger.warn("Receivers on connector are: " |
474 | |
+ MapUtils.toString(connector.getReceivers(), true)); |
475 | |
} |
476 | |
} |
477 | |
|
478 | 0 | return receiver; |
479 | |
} |
480 | |
|
481 | |
} |