Coverage Report - org.mule.module.boot.MuleServerWrapper
 
Classes in this File Line Coverage Branch Coverage Complexity
MuleServerWrapper
0%
0/22
0%
0/8
2.25
 
 1  
 /*
 2  
  * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 3  
  * The software in this package is published under the terms of the CPAL v1.0
 4  
  * license, a copy of which has been included with this distribution in the
 5  
  * LICENSE.txt file.
 6  
  */
 7  
 package org.mule.module.boot;
 8  
 
 9  
 import java.lang.reflect.Constructor;
 10  
 import java.lang.reflect.Method;
 11  
 
 12  
 import org.tanukisoftware.wrapper.WrapperListener;
 13  
 import org.tanukisoftware.wrapper.WrapperManager;
 14  
 
 15  
 public class MuleServerWrapper implements WrapperListener
 16  
 {
 17  
 
 18  
     /**
 19  
      * We can't reference MuleServer class literal here, as it will fail to resolve at runtime.
 20  
      * Instead, make all calls anonymous through reflection, so we can safely pump up our new classloader
 21  
      * and make it the default one for downstream applications. 
 22  
      */
 23  
     private Object mule;
 24  
 
 25  
     /*---------------------------------------------------------------
 26  
      * Constructors
 27  
      *-------------------------------------------------------------*/
 28  
     public MuleServerWrapper()
 29  
     {
 30  0
         super();
 31  0
     }
 32  
 
 33  
     /*---------------------------------------------------------------
 34  
      * WrapperListener Methods
 35  
      *-------------------------------------------------------------*/
 36  
     /**
 37  
      * The start method is called when the WrapperManager is signaled by the native
 38  
      * wrapper code that it can start its application. This method call is expected
 39  
      * to return, so a new thread should be launched if necessary.
 40  
      * 
 41  
      * @param args List of arguments used to initialize the application.
 42  
      * @return Any error code if the application should exit on completion of the
 43  
      *         start method. If there were no problems then this method should return
 44  
      *         null.
 45  
      */
 46  
     public Integer start(String[] args)
 47  
     {
 48  
         try
 49  
         {
 50  0
             ClassLoader muleSystemCl = new MuleSystemClassLoader();
 51  
 
 52  0
             Thread.currentThread().setContextClassLoader(muleSystemCl);
 53  
 
 54  0
             Class muleClass = Thread.currentThread().getContextClassLoader().loadClass("org.mule.MuleServer");
 55  0
             Constructor c = muleClass.getConstructor(String[].class);
 56  0
             mule = c.newInstance(new Object[] {args});
 57  0
             Method startMethod = muleClass.getMethod("start", boolean.class, boolean.class);
 58  0
             startMethod.invoke(mule, false, false);
 59  0
             return null;
 60  
         }
 61  0
         catch (Exception e)
 62  
         {
 63  0
             e.printStackTrace();
 64  0
             return Integer.valueOf(1);
 65  
         }
 66  
     }
 67  
 
 68  
     /**
 69  
      * Called when the application is shutting down. The Wrapper assumes that this
 70  
      * method will return fairly quickly. If the shutdown code code could potentially
 71  
      * take a long time, then WrapperManager.signalStopping() should be called to
 72  
      * extend the timeout period. If for some reason, the stop method can not return,
 73  
      * then it must call WrapperManager.stopped() to avoid warning messages from the
 74  
      * Wrapper.
 75  
      * 
 76  
      * @param exitCode The suggested exit code that will be returned to the OS when
 77  
      *            the JVM exits.
 78  
      * @return The exit code to actually return to the OS. In most cases, this should
 79  
      *         just be the value of exitCode, however the user code has the option of
 80  
      *         changing the exit code if there are any problems during shutdown.
 81  
      */
 82  
     public int stop(int exitCode)
 83  
     {
 84  
         try
 85  
         {
 86  0
             Method shutdownMethod = mule.getClass().getMethod("shutdown");
 87  0
             shutdownMethod.invoke(mule);
 88  
         }
 89  0
         catch (Throwable t)
 90  
         {
 91  
             // ignore
 92  0
         }
 93  
         
 94  0
         return exitCode;
 95  
     }
 96  
 
 97  
     /**
 98  
      * Called whenever the native wrapper code traps a system control signal against
 99  
      * the Java process. It is up to the callback to take any actions necessary.
 100  
      * Possible values are: WrapperManager.WRAPPER_CTRL_C_EVENT,
 101  
      * WRAPPER_CTRL_CLOSE_EVENT, WRAPPER_CTRL_LOGOFF_EVENT, or
 102  
      * WRAPPER_CTRL_SHUTDOWN_EVENT
 103  
      * 
 104  
      * @param event The system control signal.
 105  
      */
 106  
     public void controlEvent(int event)
 107  
     {
 108  0
         if (WrapperManager.isControlledByNativeWrapper())
 109  
         {
 110  
             // The Wrapper will take care of this event
 111  
         }
 112  
         else
 113  
         {
 114  
             // We are not being controlled by the Wrapper, so
 115  
             // handle the event ourselves.
 116  0
             if ((event == WrapperManager.WRAPPER_CTRL_C_EVENT)
 117  
                 || (event == WrapperManager.WRAPPER_CTRL_CLOSE_EVENT)
 118  
                 || (event == WrapperManager.WRAPPER_CTRL_SHUTDOWN_EVENT))
 119  
             {
 120  0
                 WrapperManager.stop(0);
 121  
             }
 122  
         }
 123  0
     }
 124  
 
 125  
 }