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  
  * $Id: MuleServerWrapper.java 19191 2010-08-25 21:05:23Z tcarlson $
 3  
  * --------------------------------------------------------------------------------------
 4  
  * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 5  
  *
 6  
  * The software in this package is published under the terms of the CPAL v1.0
 7  
  * license, a copy of which has been included with this distribution in the
 8  
  * LICENSE.txt file.
 9  
  */
 10  
 
 11  
 package org.mule.module.boot;
 12  
 
 13  
 import java.lang.reflect.Constructor;
 14  
 import java.lang.reflect.Method;
 15  
 
 16  
 import org.tanukisoftware.wrapper.WrapperListener;
 17  
 import org.tanukisoftware.wrapper.WrapperManager;
 18  
 
 19  
 public class MuleServerWrapper implements WrapperListener
 20  
 {
 21  
 
 22  
     /**
 23  
      * We can't reference MuleServer class literal here, as it will fail to resolve at runtime.
 24  
      * Instead, make all calls anonymous through reflection, so we can safely pump up our new classloader
 25  
      * and make it the default one for downstream applications. 
 26  
      */
 27  
     private Object mule;
 28  
 
 29  
     /*---------------------------------------------------------------
 30  
      * Constructors
 31  
      *-------------------------------------------------------------*/
 32  
     public MuleServerWrapper()
 33  
     {
 34  0
         super();
 35  0
     }
 36  
 
 37  
     /*---------------------------------------------------------------
 38  
      * WrapperListener Methods
 39  
      *-------------------------------------------------------------*/
 40  
     /**
 41  
      * The start method is called when the WrapperManager is signaled by the native
 42  
      * wrapper code that it can start its application. This method call is expected
 43  
      * to return, so a new thread should be launched if necessary.
 44  
      * 
 45  
      * @param args List of arguments used to initialize the application.
 46  
      * @return Any error code if the application should exit on completion of the
 47  
      *         start method. If there were no problems then this method should return
 48  
      *         null.
 49  
      */
 50  
     public Integer start(String[] args)
 51  
     {
 52  
         try
 53  
         {
 54  0
             ClassLoader muleSystemCl = new MuleSystemClassLoader();
 55  
 
 56  0
             Thread.currentThread().setContextClassLoader(muleSystemCl);
 57  
 
 58  0
             Class muleClass = Thread.currentThread().getContextClassLoader().loadClass("org.mule.MuleServer");
 59  0
             Constructor c = muleClass.getConstructor(String[].class);
 60  0
             mule = c.newInstance(new Object[] {args});
 61  0
             Method startMethod = muleClass.getMethod("start", boolean.class, boolean.class);
 62  0
             startMethod.invoke(mule, false, false);
 63  0
             return null;
 64  
         }
 65  0
         catch (Exception e)
 66  
         {
 67  0
             e.printStackTrace();
 68  0
             return Integer.valueOf(1);
 69  
         }
 70  
     }
 71  
 
 72  
     /**
 73  
      * Called when the application is shutting down. The Wrapper assumes that this
 74  
      * method will return fairly quickly. If the shutdown code code could potentially
 75  
      * take a long time, then WrapperManager.signalStopping() should be called to
 76  
      * extend the timeout period. If for some reason, the stop method can not return,
 77  
      * then it must call WrapperManager.stopped() to avoid warning messages from the
 78  
      * Wrapper.
 79  
      * 
 80  
      * @param exitCode The suggested exit code that will be returned to the OS when
 81  
      *            the JVM exits.
 82  
      * @return The exit code to actually return to the OS. In most cases, this should
 83  
      *         just be the value of exitCode, however the user code has the option of
 84  
      *         changing the exit code if there are any problems during shutdown.
 85  
      */
 86  
     public int stop(int exitCode)
 87  
     {
 88  
         try
 89  
         {
 90  0
             Method shutdownMethod = mule.getClass().getMethod("shutdown");
 91  0
             shutdownMethod.invoke(mule);
 92  
         }
 93  0
         catch (Throwable t)
 94  
         {
 95  
             // ignore
 96  0
         }
 97  
         
 98  0
         return exitCode;
 99  
     }
 100  
 
 101  
     /**
 102  
      * Called whenever the native wrapper code traps a system control signal against
 103  
      * the Java process. It is up to the callback to take any actions necessary.
 104  
      * Possible values are: WrapperManager.WRAPPER_CTRL_C_EVENT,
 105  
      * WRAPPER_CTRL_CLOSE_EVENT, WRAPPER_CTRL_LOGOFF_EVENT, or
 106  
      * WRAPPER_CTRL_SHUTDOWN_EVENT
 107  
      * 
 108  
      * @param event The system control signal.
 109  
      */
 110  
     public void controlEvent(int event)
 111  
     {
 112  0
         if (WrapperManager.isControlledByNativeWrapper())
 113  
         {
 114  
             // The Wrapper will take care of this event
 115  
         }
 116  
         else
 117  
         {
 118  
             // We are not being controlled by the Wrapper, so
 119  
             // handle the event ourselves.
 120  0
             if ((event == WrapperManager.WRAPPER_CTRL_C_EVENT)
 121  
                 || (event == WrapperManager.WRAPPER_CTRL_CLOSE_EVENT)
 122  
                 || (event == WrapperManager.WRAPPER_CTRL_SHUTDOWN_EVENT))
 123  
             {
 124  0
                 WrapperManager.stop(0);
 125  
             }
 126  
         }
 127  0
     }
 128  
 
 129  
 }