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10 package org.mule.util.expression;
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12 import org.mule.MuleServer;
13 import org.mule.RequestContext;
14 import org.mule.api.MuleContext;
15 import org.mule.api.MuleEventContext;
16 import org.mule.api.MuleRuntimeException;
17 import org.mule.config.i18n.CoreMessages;
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33 public class MuleContextExpressionEvaluator implements ExpressionEvaluator
34 {
35 public static final String NAME = "mule";
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44 public Object evaluate(String expression, Object message)
45 {
46 if (expression.equals("serviceName"))
47 {
48 return getEventContext().getService().getName();
49 }
50 else if (expression.equals("modelName"))
51 {
52 return getEventContext().getService().getModel().getName();
53 }
54 else if (expression.equals("inboundEndpoint"))
55 {
56 return getEventContext().getEndpointURI();
57 }
58 else if (expression.equals("serverId"))
59 {
60 return getMuleContext().getConfiguration().getId();
61 }
62 else if (expression.equals("clusterId"))
63 {
64 return getMuleContext().getConfiguration().getClusterId();
65 }
66 else if (expression.equals("domainId"))
67 {
68 return getMuleContext().getConfiguration().getDomainId();
69 }
70 else if (expression.equals("workingDir"))
71 {
72 return getMuleContext().getConfiguration().getWorkingDirectory();
73 }
74 else if (expression.equals("homeDir"))
75 {
76 return getMuleContext().getConfiguration().getMuleHomeDirectory();
77 }
78 else
79 {
80 throw new IllegalArgumentException(expression);
81 }
82 }
83
84 protected MuleContext getMuleContext()
85 {
86 if(MuleServer.getMuleContext()==null)
87 {
88 throw new MuleRuntimeException(CoreMessages.objectIsNull("MuleContext"));
89 }
90 else
91 {
92 return MuleServer.getMuleContext();
93 }
94 }
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96 protected MuleEventContext getEventContext()
97 {
98 if(RequestContext.getEventContext()==null)
99 {
100 throw new MuleRuntimeException(CoreMessages.objectIsNull("MuleEventContext"));
101 }
102 else
103 {
104 return RequestContext.getEventContext();
105 }
106 }
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113 public String getName()
114 {
115 return NAME;
116 }
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123 public void setName(String name)
124 {
125 throw new UnsupportedOperationException("setName");
126 }
127 }