1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
|
11 | |
package org.mule.processor.builder; |
12 | |
|
13 | |
import org.mule.api.MuleContext; |
14 | |
import org.mule.api.MuleEvent; |
15 | |
import org.mule.api.MuleException; |
16 | |
import org.mule.api.construct.FlowConstruct; |
17 | |
import org.mule.api.construct.FlowConstructAware; |
18 | |
import org.mule.api.context.MuleContextAware; |
19 | |
import org.mule.api.lifecycle.Disposable; |
20 | |
import org.mule.api.lifecycle.Initialisable; |
21 | |
import org.mule.api.lifecycle.InitialisationException; |
22 | |
import org.mule.api.lifecycle.Lifecycle; |
23 | |
import org.mule.api.lifecycle.Startable; |
24 | |
import org.mule.api.lifecycle.Stoppable; |
25 | |
import org.mule.api.processor.InterceptingMessageProcessor; |
26 | |
import org.mule.api.processor.MessageProcessor; |
27 | |
import org.mule.util.StringUtils; |
28 | |
|
29 | |
import java.util.Iterator; |
30 | |
import java.util.List; |
31 | |
|
32 | |
import org.apache.commons.logging.Log; |
33 | |
import org.apache.commons.logging.LogFactory; |
34 | |
|
35 | |
|
36 | |
|
37 | |
|
38 | |
|
39 | |
|
40 | |
|
41 | |
public class InterceptingChainCompositeMessageProcessor implements MessageProcessor, Lifecycle, FlowConstructAware, MuleContextAware |
42 | |
{ |
43 | |
private Log log; |
44 | |
private String name; |
45 | |
private MessageProcessor firstInChain; |
46 | |
private List<MessageProcessor> allProcessors; |
47 | |
|
48 | |
public InterceptingChainCompositeMessageProcessor(InterceptingMessageProcessor firstInChain, |
49 | |
List<MessageProcessor> allProcessors, |
50 | |
String name) |
51 | 0 | { |
52 | 0 | this.name = name; |
53 | 0 | this.firstInChain = firstInChain; |
54 | 0 | this.allProcessors = allProcessors; |
55 | |
|
56 | 0 | log = LogFactory.getLog(InterceptingChainCompositeMessageProcessor.class); |
57 | 0 | } |
58 | |
|
59 | |
public MuleEvent process(MuleEvent event) throws MuleException |
60 | |
{ |
61 | 0 | if (log.isDebugEnabled()) |
62 | |
{ |
63 | 0 | log.debug("Invoking " + this + " with event " + event); |
64 | |
} |
65 | 0 | return firstInChain.process(event); |
66 | |
} |
67 | |
|
68 | |
public void initialise() throws InitialisationException |
69 | |
{ |
70 | 0 | for (MessageProcessor processor : allProcessors) |
71 | |
{ |
72 | |
|
73 | 0 | if (processor instanceof Initialisable ) |
74 | |
{ |
75 | 0 | ((Initialisable) processor).initialise(); |
76 | |
} |
77 | |
} |
78 | 0 | } |
79 | |
|
80 | |
public void start() throws MuleException |
81 | |
{ |
82 | 0 | for (MessageProcessor processor : allProcessors) |
83 | |
{ |
84 | 0 | if (processor instanceof Startable) |
85 | |
{ |
86 | 0 | ((Startable) processor).start(); |
87 | |
} |
88 | |
} |
89 | 0 | } |
90 | |
|
91 | |
public void stop() throws MuleException |
92 | |
{ |
93 | 0 | for (MessageProcessor processor : allProcessors) |
94 | |
{ |
95 | 0 | if (processor instanceof Stoppable) |
96 | |
{ |
97 | 0 | ((Stoppable) processor).stop(); |
98 | |
} |
99 | |
} |
100 | 0 | } |
101 | |
|
102 | |
public void dispose() |
103 | |
{ |
104 | 0 | for (MessageProcessor processor : allProcessors) |
105 | |
{ |
106 | 0 | if (processor instanceof Disposable) |
107 | |
{ |
108 | 0 | ((Disposable) processor).dispose(); |
109 | |
} |
110 | |
} |
111 | 0 | firstInChain = null; |
112 | 0 | allProcessors.clear(); |
113 | 0 | } |
114 | |
|
115 | |
public void setFlowConstruct(FlowConstruct flowConstruct) |
116 | |
{ |
117 | 0 | for (MessageProcessor processor : allProcessors) |
118 | |
{ |
119 | 0 | if (processor instanceof FlowConstructAware) |
120 | |
{ |
121 | 0 | ((FlowConstructAware) processor).setFlowConstruct(flowConstruct); |
122 | |
} |
123 | |
} |
124 | 0 | } |
125 | |
|
126 | |
public void setMuleContext(MuleContext context) |
127 | |
{ |
128 | 0 | for (MessageProcessor processor : allProcessors) |
129 | |
{ |
130 | 0 | if (processor instanceof MuleContextAware) |
131 | |
{ |
132 | 0 | ((MuleContextAware) processor).setMuleContext(context); |
133 | |
} |
134 | |
} |
135 | 0 | } |
136 | |
|
137 | |
@Override |
138 | |
public String toString() |
139 | |
{ |
140 | 0 | StringBuffer string = new StringBuffer(); |
141 | 0 | string.append("InterceptingChainCompositeMessageProcessor "); |
142 | 0 | if (name != null) |
143 | |
{ |
144 | 0 | string.append(" '" + name + "' "); |
145 | |
} |
146 | |
|
147 | 0 | Iterator<MessageProcessor> mpIterator = allProcessors.iterator(); |
148 | 0 | if (mpIterator.hasNext()) |
149 | |
{ |
150 | 0 | string.append("\n[ "); |
151 | 0 | while (mpIterator.hasNext()) |
152 | |
{ |
153 | 0 | MessageProcessor mp = mpIterator.next(); |
154 | 0 | string.append("\n " + StringUtils.replace(mp.toString(), "\n", "\n ")); |
155 | 0 | if (mpIterator.hasNext()) |
156 | |
{ |
157 | 0 | string.append(", "); |
158 | |
} |
159 | 0 | } |
160 | 0 | string.append("\n]"); |
161 | |
} |
162 | |
|
163 | 0 | return string.toString(); |
164 | |
} |
165 | |
} |