Coverage Report - org.mule.module.launcher.MuleApplicationClassLoader
 
Classes in this File Line Coverage Branch Coverage Complexity
MuleApplicationClassLoader
0%
0/39
0%
0/16
0
MuleApplicationClassLoader$ShutdownListener
N/A
N/A
0
 
 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.launcher;
 8  
 
 9  
 import org.mule.api.config.MuleProperties;
 10  
 import org.mule.util.FileUtils;
 11  
 import org.mule.util.SystemUtils;
 12  
 
 13  
 import java.io.File;
 14  
 import java.io.IOException;
 15  
 import java.net.URL;
 16  
 import java.util.ArrayList;
 17  
 import java.util.Collection;
 18  
 import java.util.List;
 19  
 
 20  
 import org.apache.commons.logging.Log;
 21  
 import org.apache.commons.logging.LogFactory;
 22  
 
 23  
 public class MuleApplicationClassLoader extends GoodCitizenClassLoader
 24  
 {
 25  
 
 26  
     /**
 27  
      * Library directory in Mule application.
 28  
      */
 29  
     public static final String PATH_LIBRARY = "lib";
 30  
 
 31  
     /**
 32  
      * Classes and resources directory in Mule application.
 33  
      */
 34  
     public static final String PATH_CLASSES = "classes";
 35  
 
 36  0
     protected static final URL[] CLASSPATH_EMPTY = new URL[0];
 37  0
     protected final transient Log logger = LogFactory.getLog(getClass());
 38  
 
 39  0
     protected List<ShutdownListener> shutdownListeners = new ArrayList<ShutdownListener>();
 40  
 
 41  
     private String appName;
 42  
 
 43  
     public MuleApplicationClassLoader(String appName, ClassLoader parentCl)
 44  
     {
 45  0
         super(CLASSPATH_EMPTY, parentCl);
 46  0
         this.appName = appName;
 47  
         try
 48  
         {
 49  
             // get lib dir
 50  0
             final String muleHome = System.getProperty(MuleProperties.MULE_HOME_DIRECTORY_PROPERTY);
 51  0
             String configPath = String.format("%s/apps/%s", muleHome, appName);
 52  0
             File parentFile = new File(configPath); 
 53  0
             File classesDir = new File(parentFile, PATH_CLASSES);
 54  0
             addURL(classesDir.toURI().toURL());
 55  
 
 56  0
             File libDir = new File(parentFile, PATH_LIBRARY);
 57  
 
 58  0
             if (libDir.exists() && libDir.canRead())
 59  
             {
 60  
                 @SuppressWarnings("unchecked")
 61  0
                 Collection<File> jars = FileUtils.listFiles(libDir, new String[] {"jar"}, false);
 62  
 
 63  0
                 if (!jars.isEmpty() && logger.isInfoEnabled())
 64  
                 {
 65  0
                     StringBuilder sb = new StringBuilder();
 66  0
                     sb.append(String.format("[%s] Loading the following jars:%n", appName));
 67  0
                     sb.append("=============================").append(SystemUtils.LINE_SEPARATOR);
 68  
 
 69  0
                     for (File jar : jars)
 70  
                     {
 71  0
                         sb.append(jar.toURI().toURL()).append(SystemUtils.LINE_SEPARATOR);
 72  
                     }
 73  
 
 74  0
                     sb.append("=============================").append(SystemUtils.LINE_SEPARATOR);
 75  
 
 76  0
                     logger.info(sb.toString());
 77  
                 }
 78  
 
 79  0
                 for (File jar : jars)
 80  
                 {
 81  0
                     addURL(jar.toURI().toURL());
 82  
                 }
 83  
             }
 84  
 
 85  
         }
 86  0
         catch (IOException e)
 87  
         {
 88  0
             if (logger.isDebugEnabled())
 89  
             {
 90  0
                 logger.debug(String.format("[%s]", appName), e);
 91  
             }
 92  0
         }
 93  0
     }
 94  
 
 95  
     @Override
 96  
     public void close()
 97  
     {
 98  0
         for (ShutdownListener listener : shutdownListeners)
 99  
         {
 100  
             try
 101  
             {
 102  0
                 listener.execute();
 103  
             }
 104  0
             catch (Exception e)
 105  
             {
 106  0
                 logger.error(e);
 107  0
             }
 108  
         }
 109  0
         super.close();
 110  0
     }
 111  
 
 112  
     public void addShutdownListener(ShutdownListener listener)
 113  
     {
 114  0
         this.shutdownListeners.add(listener);
 115  0
     }
 116  
 
 117  
     public String getAppName()
 118  
     {
 119  0
         return appName;
 120  
     }
 121  
 
 122  
     @Override
 123  
     public String toString()
 124  
     {
 125  0
         return String.format("%s[%s]@%s", getClass().getName(),
 126  
                              appName,
 127  
                              Integer.toHexString(System.identityHashCode(this)));
 128  
     }
 129  
 
 130  
     /**
 131  
      * Optional hook, invoked synchronously right before the classloader is disposed of and closed.
 132  
      */
 133  
     public interface ShutdownListener
 134  
     {
 135  
         void execute();
 136  
     }
 137  
 }