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1
10
11 package org.mule.impl.container;
12
13 import org.apache.commons.logging.Log;
14 import org.apache.commons.logging.LogFactory;
15 import org.mule.config.i18n.Message;
16 import org.mule.config.i18n.Messages;
17 import org.mule.umo.lifecycle.InitialisationException;
18 import org.mule.umo.manager.ContainerException;
19 import org.mule.umo.manager.ObjectNotFoundException;
20 import org.mule.umo.manager.UMOContainerContext;
21
22 import java.io.Reader  ;
23 import java.util.Iterator ;
24 import java.util.TreeMap ;
25
26
30 public class MultiContainerContext implements UMOContainerContext
31 {
32
35 protected static final Log logger = LogFactory.getLog(MultiContainerContext.class);
36
37 private String name = "multi";
38 private TreeMap containers = new TreeMap ();
39
40 public MultiContainerContext()
41 {
42 addContainer(new MuleContainerContext());
43 addContainer(new DescriptorContainerContext());
44 }
45
46 public void setName(String name)
47 {
48 }
50
51 public String getName()
52 {
53 return name;
54 }
55
56 public void addContainer(UMOContainerContext container)
57 {
58 if (containers.containsKey(container.getName()))
59 {
60 throw new IllegalArgumentException (new Message(Messages.CONTAINER_X_ALREADY_REGISTERED,
61 container.getName()).toString());
62 }
63 containers.put(container.getName(), container);
64 }
65
66 public UMOContainerContext removeContainer(String name)
67 {
68 return (UMOContainerContext)containers.remove(name);
69 }
70
71 public Object getComponent(Object key) throws ObjectNotFoundException
72 {
73 ContainerKeyPair realKey = null;
75 String cause = null;
76 if (key instanceof String )
77 {
78 realKey = new ContainerKeyPair(null, key);
79 }
80 else
81 {
82 realKey = (ContainerKeyPair)key;
83 }
84
85 Object component = null;
86 UMOContainerContext container;
87 if (realKey.getContainerName() != null)
88 {
89 container = (UMOContainerContext)containers.get(realKey.getContainerName());
90 if (container != null)
91 {
92 return container.getComponent(realKey);
93 }
94 else
95 {
96 throw new ObjectNotFoundException("Container: " + realKey.getContainerName());
97 }
98 }
99
100 for (Iterator iterator = containers.values().iterator(); iterator.hasNext();)
101 {
102 container = (UMOContainerContext)iterator.next();
103 try
104 {
105 component = container.getComponent(realKey);
106 }
107 catch (ObjectNotFoundException e)
108 {
109 if (logger.isDebugEnabled())
110 {
111 logger.debug("Object: '" + realKey + "' not found in container: " + container.getName(),
112 e.getCause());
113 }
114 if (e.getCause() != null){
115 cause = cause + " " + e.getCause().toString();
116 }
117 }
118 if (component != null)
119 {
120 if (logger.isDebugEnabled())
121 {
122 logger.debug("Object: '" + realKey + "' found in container: " + container.getName());
123 }
124 break;
125 }
126 }
127 if (component == null)
128 {
129 if (realKey.isRequired())
130 {
131 throw new ObjectNotFoundException(realKey.toString() + " " + cause);
132 }
133 else if (logger.isDebugEnabled())
134 {
135 logger.debug("Component reference not found: " + realKey.toFullString());
136 return null;
137 }
138 }
139 return component;
140 }
141
142 public void configure(Reader configuration, String doctype, String encoding) throws ContainerException
143 {
144 }
146
147 public void dispose()
148 {
149 UMOContainerContext container;
150 for (Iterator iterator = containers.values().iterator(); iterator.hasNext();)
151 {
152 container = (UMOContainerContext)iterator.next();
153 container.dispose();
154 }
155 containers.clear();
156 containers = null;
157 }
158
159 public void initialise() throws InitialisationException
160 {
161 }
163
164 }
165 |
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