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package org.mule.providers.http.servlet; |
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import org.mule.MuleManager; |
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import org.mule.impl.MuleMessage; |
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import org.mule.impl.endpoint.MuleEndpointURI; |
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import org.mule.providers.AbstractMessageReceiver; |
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import org.mule.providers.http.HttpConnector; |
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import org.mule.providers.http.HttpConstants; |
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import org.mule.providers.http.i18n.HttpMessages; |
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import org.mule.providers.service.TransportFactory; |
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import org.mule.umo.UMOMessage; |
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import org.mule.umo.endpoint.EndpointException; |
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import org.mule.umo.provider.NoReceiverForEndpointException; |
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import org.mule.util.PropertiesUtils; |
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import java.io.IOException; |
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import java.util.Iterator; |
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import java.util.Map; |
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import java.util.Properties; |
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import javax.servlet.ServletConfig; |
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import javax.servlet.ServletException; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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|
45 | 0 | public class MuleReceiverServlet extends AbstractReceiverServlet |
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{ |
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private static final long serialVersionUID = 6631307373079767439L; |
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52 | 0 | protected ServletConnector connector = null; |
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protected void doInit(ServletConfig servletConfig) throws ServletException |
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{ |
56 | 0 | String servletConnectorName = servletConfig.getInitParameter(SERVLET_CONNECTOR_NAME_PROPERTY); |
57 | 0 | if(servletConnectorName==null) |
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{ |
59 | 0 | connector = (ServletConnector) TransportFactory.getConnectorByProtocol("servlet"); |
60 | 0 | if (connector == null) |
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{ |
62 | 0 | throw new ServletException(HttpMessages.noConnectorForProtocolServlet().toString()); |
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} |
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} |
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else |
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{ |
67 | 0 | connector = (ServletConnector)MuleManager.getInstance().lookupConnector(servletConnectorName); |
68 | 0 | if (connector == null) |
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{ |
70 | 0 | throw new ServletException( |
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HttpMessages.noServletConnectorFound(servletConnectorName).toString()); |
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} |
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} |
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76 | 0 | } |
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protected void doHead(HttpServletRequest request, HttpServletResponse response) |
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throws ServletException, IOException |
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{ |
81 | 0 | response.setStatus(HttpServletResponse.SC_OK); |
82 | 0 | } |
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|
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protected void doGet(HttpServletRequest request, HttpServletResponse response) |
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throws ServletException, IOException |
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{ |
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try |
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{ |
89 | 0 | AbstractMessageReceiver receiver = getReceiverForURI(request); |
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UMOMessage responseMessage; |
91 | 0 | UMOMessage requestMessage = new MuleMessage(new HttpRequestMessageAdapter(request)); |
92 | 0 | requestMessage.setProperty(HttpConnector.HTTP_METHOD_PROPERTY, "GET"); |
93 | 0 | responseMessage = receiver.routeMessage(requestMessage, true); |
94 | 0 | writeResponse(response, responseMessage); |
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} |
96 | 0 | catch (Exception e) |
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{ |
98 | 0 | handleException(e, e.getMessage(), response); |
99 | 0 | } |
100 | 0 | } |
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|
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protected void doPost(HttpServletRequest request, HttpServletResponse response) |
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throws ServletException, IOException |
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{ |
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try |
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{ |
107 | 0 | AbstractMessageReceiver receiver = getReceiverForURI(request); |
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UMOMessage responseMessage; |
109 | 0 | UMOMessage requestMessage = new MuleMessage(new HttpRequestMessageAdapter(request)); |
110 | 0 | requestMessage.setProperty(HttpConnector.HTTP_METHOD_PROPERTY, "POST"); |
111 | 0 | responseMessage = receiver.routeMessage(requestMessage, true); |
112 | 0 | if (responseMessage != null) |
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{ |
114 | 0 | writeResponse(response, responseMessage); |
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} |
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} |
117 | 0 | catch (Exception e) |
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{ |
119 | 0 | handleException(e, e.getMessage(), response); |
120 | 0 | } |
121 | 0 | } |
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|
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protected void doOptions(HttpServletRequest request, HttpServletResponse response) |
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throws ServletException, IOException |
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{ |
126 | 0 | response.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
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try |
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{ |
129 | 0 | response.getWriter().write( |
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HttpMessages.methodNotAllowed(HttpConstants.METHOD_OPTIONS).toString() + HttpConstants.CRLF); |
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} |
132 | 0 | catch (Exception e) |
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{ |
134 | 0 | handleException(e, e.getMessage(), response); |
135 | 0 | } |
136 | 0 | } |
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protected void doPut(HttpServletRequest request, HttpServletResponse response) |
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throws ServletException, IOException |
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{ |
141 | 0 | response.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
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try |
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{ |
144 | 0 | response.getWriter().write( |
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HttpMessages.methodNotAllowed(HttpConstants.METHOD_PUT).toString() + HttpConstants.CRLF); |
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} |
147 | 0 | catch (Exception e) |
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{ |
149 | 0 | handleException(e, e.getMessage(), response); |
150 | 0 | } |
151 | 0 | } |
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protected void doDelete(HttpServletRequest request, HttpServletResponse response) |
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throws ServletException, IOException |
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{ |
156 | 0 | response.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
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try |
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{ |
159 | 0 | response.getWriter().write( |
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HttpMessages.methodNotAllowed(HttpConstants.METHOD_DELETE).toString() + HttpConstants.CRLF); |
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} |
162 | 0 | catch (Exception e) |
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{ |
164 | 0 | handleException(e, e.getMessage(), response); |
165 | 0 | } |
166 | 0 | } |
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|
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protected void doTrace(HttpServletRequest request, HttpServletResponse response) |
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throws ServletException, IOException |
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{ |
171 | 0 | response.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
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try |
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{ |
174 | 0 | response.getWriter().write( |
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HttpMessages.methodNotAllowed(HttpConstants.METHOD_TRACE).toString() + HttpConstants.CRLF); |
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} |
177 | 0 | catch (Exception e) |
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{ |
179 | 0 | handleException(e, e.getMessage(), response); |
180 | 0 | } |
181 | 0 | } |
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protected void doConnect(HttpServletRequest request, HttpServletResponse response) |
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throws ServletException, IOException |
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{ |
186 | 0 | response.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED); |
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try |
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{ |
189 | 0 | response.getWriter().write( |
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HttpMessages.methodNotAllowed(HttpConstants.METHOD_CONNECT).toString() + HttpConstants.CRLF); |
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} |
192 | 0 | catch (Exception e) |
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{ |
194 | 0 | handleException(e, e.getMessage(), response); |
195 | 0 | } |
196 | 0 | } |
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protected AbstractMessageReceiver getReceiverForURI(HttpServletRequest httpServletRequest) |
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throws EndpointException |
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{ |
201 | 0 | String uri = getReceiverName(httpServletRequest); |
202 | 0 | if (uri == null) |
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{ |
204 | 0 | throw new EndpointException( |
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HttpMessages.unableToGetEndpointUri(httpServletRequest.getRequestURI())); |
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} |
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|
208 | 0 | AbstractMessageReceiver receiver = (AbstractMessageReceiver)getReceivers().get(uri); |
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|
210 | 0 | if (receiver == null) |
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{ |
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|
214 | 0 | int i = uri.lastIndexOf("/"); |
215 | 0 | if (i > -1) |
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{ |
217 | 0 | String tempUri = uri.substring(i + 1); |
218 | 0 | receiver = (AbstractMessageReceiver)getReceivers().get(tempUri); |
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} |
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|
225 | 0 | if (receiver == null) |
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{ |
227 | 0 | Map receivers = getReceivers(); |
228 | 0 | Iterator iter = receivers.keySet().iterator(); |
229 | 0 | while (iter.hasNext()) |
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{ |
231 | 0 | String key = iter.next().toString(); |
232 | 0 | i = key.lastIndexOf("/"); |
233 | 0 | if (i > -1) |
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{ |
235 | 0 | if (key.substring(i+1).equals(uri)) |
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{ |
237 | 0 | receiver = (AbstractMessageReceiver)receivers.get(key); |
238 | 0 | break; |
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} |
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} |
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} |
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} |
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|
244 | 0 | if (receiver == null) |
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{ |
246 | 0 | throw new NoReceiverForEndpointException("No receiver found for endpointUri: " + uri); |
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} |
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} |
249 | 0 | receiver.getEndpoint().setEndpointURI(new MuleEndpointURI(getRequestUrl(httpServletRequest))); |
250 | 0 | return receiver; |
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} |
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protected String getRequestUrl(HttpServletRequest httpServletRequest) |
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{ |
255 | 0 | StringBuffer url = new StringBuffer(); |
256 | 0 | url.append(connector.getProtocol().toLowerCase()); |
257 | 0 | url.append(":"); |
258 | 0 | url.append(httpServletRequest.getScheme()); |
259 | 0 | url.append("://"); |
260 | 0 | url.append(httpServletRequest.getServerName()); |
261 | 0 | url.append(":"); |
262 | 0 | url.append(httpServletRequest.getServerPort()); |
263 | 0 | url.append("/"); |
264 | 0 | url.append(getReceiverName(httpServletRequest)); |
265 | 0 | if (httpServletRequest.getQueryString() != null) |
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{ |
267 | 0 | url.append("?"); |
268 | 0 | url.append(httpServletRequest.getQueryString()); |
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} |
270 | 0 | return url.toString(); |
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} |
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|
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protected String getReceiverName(HttpServletRequest httpServletRequest) |
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{ |
275 | 0 | String name = httpServletRequest.getPathInfo(); |
276 | 0 | if (name == null) |
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{ |
278 | 0 | name = httpServletRequest.getServletPath(); |
279 | 0 | if (name == null) |
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{ |
281 | 0 | name = httpServletRequest.getParameter("endpoint"); |
282 | 0 | if (name == null) |
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{ |
284 | 0 | Properties params = PropertiesUtils.getPropertiesFromQueryString(httpServletRequest.getQueryString()); |
285 | 0 | name = params.getProperty("endpoint"); |
286 | 0 | if (name == null) |
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{ |
288 | 0 | return null; |
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} |
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} |
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} |
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} |
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|
294 | 0 | if (name.startsWith("/")) |
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{ |
296 | 0 | name = name.substring(1); |
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} |
298 | 0 | return name; |
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} |
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|
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protected Map getReceivers() |
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{ |
303 | 0 | return connector.getReceivers(); |
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} |
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} |