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1   /*
2    * Copyright 2001-2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.jdiagnose.library.web.spring;
17  
18  import javax.servlet.http.HttpServletRequest;
19  import javax.servlet.http.HttpServletResponse;
20  
21  import org.jdiagnose.runtime.DiagnosticRunner;
22  import org.springframework.beans.factory.BeanNameAware;
23  import org.springframework.web.servlet.ModelAndView;
24  import org.springframework.web.servlet.mvc.ParameterizableViewController;
25  import org.springframework.web.servlet.view.RedirectView;
26  
27  /***
28   */
29  public class DiagnosticsController extends ParameterizableViewController implements BeanNameAware {
30  
31      private String beanName;
32  
33      private static final org.apache.log4j.Category log = org.apache.log4j.Category.getInstance(DiagnosticsController.class); 
34  
35      private Runners runners;
36  
37      /***
38       * @see org.springframework.web.servlet.mvc.AbstractController#handleRequestInternal(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
39       */
40      protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception {
41          String runnerParameter = request.getParameter("runner");
42          DiagnosticRunner runner = (DiagnosticRunner) runners.getRunners().get(runnerParameter);
43          if(runner != null && request.getParameter("action") != null) {
44              log.debug("running runner asynchronously");
45              runner.runAsynchronously();
46              return new ModelAndView(new RedirectView(request.getContextPath() + request.getServletPath() + "?runner=" + runnerParameter));
47          } else {
48              log.debug("returning diagnostics view with runner");
49              return new ModelAndView(getViewName(), "runner", runner);
50          }
51      }
52  
53      /***
54       * @see org.springframework.beans.factory.BeanNameAware#setBeanName(java.lang.String)
55       */
56      public void setBeanName(String beanName) {
57          this.beanName = beanName;
58      }
59  
60      /***
61       * @param runners The runners to set.
62       */
63      public void setRunners(Runners runners) {
64          this.runners = runners;
65      }
66  }