runtime/org.argeo.slc.server/src/main/java/org/argeo/slc/web/mvc/process/NewSlcExecutionController.java

   1 package org.argeo.slc.web.mvc.process;
   2
   3 import java.io.BufferedReader;
   4 import java.util.UUID;
   5
   6 import javax.servlet.http.HttpServletRequest;
   7 import javax.servlet.http.HttpServletResponse;
   8
   9 import org.apache.commons.logging.Log;
  10 import org.apache.commons.logging.LogFactory;
  11 import org.argeo.slc.msg.MsgConstants;
  12 import org.argeo.slc.process.SlcExecution;
  13 import org.argeo.slc.process.SlcExecutionStep;
  14 import org.argeo.slc.runtime.SlcAgent;
  15 import org.argeo.slc.runtime.SlcAgentFactory;
  16 import org.argeo.slc.services.SlcExecutionService;
  17 import org.argeo.slc.web.mvc.AbstractServiceController;
  18 import org.springframework.oxm.Unmarshaller;
  19 import org.springframework.util.Assert;
  20 import org.springframework.web.servlet.ModelAndView;
  21 import org.springframework.xml.transform.StringSource;
  22
  23 /** Send a new SlcExecution. */
  24 public class NewSlcExecutionController extends AbstractServiceController {
  25         private final static Log log = LogFactory
  26                         .getLog(NewSlcExecutionController.class);
  27
  28         private SlcAgentFactory agentFactory;
  29         private Unmarshaller unmarshaller;
  30         private SlcExecutionService slcExecutionService;
  31
  32         @Override
  33         protected void handleServiceRequest(HttpServletRequest request,
  34                         HttpServletResponse response, ModelAndView modelAndView)
  35                         throws Exception {
  36
  37                 if (log.isTraceEnabled()) {
  38                         log.debug("Content-Type: " + request.getContentType());
  39                         log.debug("Content-Length: " + request.getContentLength());
  40                 }
  41
  42                 String agentId = request
  43                                 .getParameter(MsgConstants.PROPERTY_SLC_AGENT_ID);
  44                 Assert.notNull(agentId, "agent id");
  45
  46                 String answer = request.getParameter("body");
  47                 if (answer == null) {
  48                         // lets read the message body instead
  49                         BufferedReader reader = request.getReader();
  50                         StringBuffer buffer = new StringBuffer();
  51                         String line = null;
  52                         while (((line = reader.readLine()) != null)) {
  53                                 buffer.append(line);
  54                         }
  55                         answer = buffer.toString();
  56                 }
  57
  58                 if (log.isTraceEnabled())
  59                         log.debug("Received message:\n" + answer);
  60
  61                 StringSource source = new StringSource(answer);
  62                 SlcExecution slcExecution = (SlcExecution) unmarshaller
  63                                 .unmarshal(source);
  64
  65                 // Workaround for https://www.argeo.org/bugzilla/show_bug.cgi?id=86
  66                 if (slcExecution.getUuid() == null
  67                                 || slcExecution.getUuid().length() < 8)
  68                         slcExecution.setUuid(UUID.randomUUID().toString());
  69
  70                 slcExecution.setStatus(SlcExecution.STATUS_SCHEDULED);
  71                 slcExecution.getSteps().add(
  72                                 new SlcExecutionStep(SlcExecutionStep.TYPE_START,
  73                                                 "Process started from the Web UI"));
  74                 slcExecutionService.newExecution(slcExecution);
  75
  76                 SlcAgent agent = agentFactory.getAgent(agentId);
  77                 agent.runSlcExecution(slcExecution);
  78         }
  79
  80         public void setUnmarshaller(Unmarshaller unmarshaller) {
  81                 this.unmarshaller = unmarshaller;
  82         }
  83
  84         public void setAgentFactory(SlcAgentFactory agentFactory) {
  85                 this.agentFactory = agentFactory;
  86         }
  87
  88         public void setSlcExecutionService(SlcExecutionService slcExecutionService) {
  89                 this.slcExecutionService = slcExecutionService;
  90         }
  91
  92 }