Coverage Report - org.mule.impl.container.MultiContainerContext
 
Classes in this File Line Coverage Branch Coverage Complexity
MultiContainerContext
0%
0/61
0%
0/16
3.556
 
 1  
 /*
 2  
  * $Id: MultiContainerContext.java 7976 2007-08-21 14:26:13Z dirk.olmes $
 3  
  * --------------------------------------------------------------------------------------
 4  
  * Copyright (c) MuleSource, Inc.  All rights reserved.  http://www.mulesource.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.impl.container;
 12  
 
 13  
 import org.mule.config.i18n.CoreMessages;
 14  
 import org.mule.umo.lifecycle.InitialisationException;
 15  
 import org.mule.umo.manager.ContainerException;
 16  
 import org.mule.umo.manager.ObjectNotFoundException;
 17  
 import org.mule.umo.manager.UMOContainerContext;
 18  
 
 19  
 import java.io.Reader;
 20  
 import java.util.Iterator;
 21  
 import java.util.TreeMap;
 22  
 
 23  
 import org.apache.commons.logging.Log;
 24  
 import org.apache.commons.logging.LogFactory;
 25  
 
 26  
 /**
 27  
  * <code>MultiContainerContext</code> is a container that hosts other containers
 28  
  * from which components are queried.
 29  
  */
 30  
 public class MultiContainerContext implements UMOContainerContext
 31  
 {
 32  
     /**
 33  
      * logger used by this class
 34  
      */
 35  0
     protected static final Log logger = LogFactory.getLog(MultiContainerContext.class);
 36  
 
 37  0
     private String name = "multi";
 38  0
     private TreeMap containers = new TreeMap();
 39  
 
 40  
     public MultiContainerContext()
 41  0
     {
 42  0
         addContainer(new MuleContainerContext());
 43  0
         addContainer(new DescriptorContainerContext());
 44  0
     }
 45  
 
 46  
     public void setName(String name)
 47  
     {
 48  
         // noop
 49  0
     }
 50  
 
 51  
     public String getName()
 52  
     {
 53  0
         return name;
 54  
     }
 55  
 
 56  
     public void addContainer(UMOContainerContext container)
 57  
     {
 58  0
         if (containers.containsKey(container.getName()))
 59  
         {
 60  0
             throw new IllegalArgumentException(
 61  
                 CoreMessages.containerAlreadyRegistered(container.getName()).toString());
 62  
         }
 63  0
         containers.put(container.getName(), container);
 64  0
     }
 65  
 
 66  
     public UMOContainerContext removeContainer(String name)
 67  
     {
 68  0
         return (UMOContainerContext) containers.remove(name);
 69  
     }
 70  
 
 71  
     public Object getComponent(Object key) throws ObjectNotFoundException
 72  
     {
 73  0
         ContainerKeyPair realKey = null;
 74  0
         StringBuffer cause = new StringBuffer();
 75  0
         Throwable finalCause = null;
 76  
         
 77  
         // first see if a particular container has been requested
 78  
         // TODO MULE-863: possible class cast exception below.  Document?
 79  0
         if (key instanceof String)
 80  
         {
 81  0
             realKey = new ContainerKeyPair(null, key);
 82  
         }
 83  
         else
 84  
         {
 85  0
             realKey = (ContainerKeyPair) key;
 86  
         }
 87  
 
 88  0
         if (realKey == null)
 89  
         {
 90  0
             throw new ObjectNotFoundException(null);
 91  
         }
 92  
         
 93  0
         Object component = null;
 94  
         UMOContainerContext container;
 95  0
         if (realKey.getContainerName() != null)
 96  
         {
 97  0
             container = (UMOContainerContext) containers.get(realKey.getContainerName());
 98  0
             if (container != null)
 99  
             {
 100  0
                 return container.getComponent(realKey);
 101  
             }
 102  
             else
 103  
             {
 104  0
                 throw new ObjectNotFoundException("Container: " + realKey.getContainerName());
 105  
             }
 106  
         }
 107  
 
 108  0
         for (Iterator iterator = containers.values().iterator(); iterator.hasNext();)
 109  
         {
 110  0
             container = (UMOContainerContext) iterator.next();
 111  
             try
 112  
             {
 113  0
                 component = container.getComponent(realKey);
 114  
             }
 115  0
             catch (ObjectNotFoundException e)
 116  
             {
 117  0
                 if (e.getCause() != null)
 118  
                 {
 119  0
                     finalCause = e.getCause();
 120  0
                     if (logger.isDebugEnabled())
 121  
                     {
 122  0
                         logger.debug("Object: '" + realKey + "' not found in container: " + container.getName());
 123  
                     }
 124  
                 }
 125  
                 else
 126  
                 {
 127  0
                     finalCause = e;
 128  0
                     if (logger.isDebugEnabled())
 129  
                     {
 130  0
                         logger.debug("Object: '" + realKey + "' not found in container: " + container.getName());
 131  
                     }
 132  
                 }
 133  
 
 134  0
                 if (cause.length() > 0)
 135  
                 {
 136  0
                     cause.append("; ");
 137  
                 }
 138  0
                 cause.append(finalCause.toString());
 139  0
             }
 140  0
             if (component != null)
 141  
             {
 142  0
                 if (logger.isDebugEnabled())
 143  
                 {
 144  0
                     logger.debug("Object: '" + realKey + "' found in container: " + container.getName());
 145  
                 }
 146  
                 break;
 147  
             }
 148  
         }
 149  
         
 150  0
         if (component == null)
 151  
         {
 152  0
             if (realKey.isRequired())
 153  
             {
 154  0
                 throw new ObjectNotFoundException(realKey.toString() + " " + cause, finalCause);
 155  
             }
 156  0
             else if (logger.isDebugEnabled())
 157  
             {
 158  0
                 logger.debug("Component reference not found: " + realKey.toFullString());
 159  0
                 return null;
 160  
             }
 161  
         }
 162  0
         return component;
 163  
     }
 164  
 
 165  
     public void configure(Reader configuration, String doctype, String encoding) throws ContainerException
 166  
     {
 167  
         // noop
 168  0
     }
 169  
 
 170  
     public void dispose()
 171  
     {
 172  
         UMOContainerContext container;
 173  0
         for (Iterator iterator = containers.values().iterator(); iterator.hasNext();)
 174  
         {
 175  0
             container = (UMOContainerContext) iterator.next();
 176  0
             container.dispose();
 177  
         }
 178  0
         containers.clear();
 179  0
         containers = null;
 180  0
     }
 181  
 
 182  
     public void initialise() throws InitialisationException
 183  
     {
 184  
         // no op
 185  0
     }
 186  
 
 187  
 }