1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
|
11 | |
package org.mule.routing.outbound; |
12 | |
|
13 | |
import org.mule.api.MuleEvent; |
14 | |
import org.mule.api.expression.ExpressionManager; |
15 | |
import org.mule.api.routing.CouldNotRouteOutboundMessageException; |
16 | |
import org.mule.config.i18n.CoreMessages; |
17 | |
import org.mule.util.StringUtils; |
18 | |
|
19 | |
import java.text.MessageFormat; |
20 | |
import java.util.ArrayList; |
21 | |
import java.util.Arrays; |
22 | |
import java.util.List; |
23 | |
|
24 | 0 | public class ExpressionRecipientList extends AbstractRecipientList |
25 | |
{ |
26 | |
public static final String DEFAULT_SELECTOR_PROPERTY = "recipients"; |
27 | |
public static final String DEFAULT_SELECTOR_EVALUATOR = "header"; |
28 | |
public static final String DEFAULT_SELECTOR_EXPRESSION = DEFAULT_SELECTOR_PROPERTY; |
29 | |
|
30 | 0 | private String expression = DEFAULT_SELECTOR_EXPRESSION; |
31 | 0 | private String evaluator = DEFAULT_SELECTOR_EVALUATOR; |
32 | |
private String customEvaluator; |
33 | |
private String fullExpression; |
34 | |
|
35 | |
@Override |
36 | |
protected List getRecipients(MuleEvent event) throws CouldNotRouteOutboundMessageException |
37 | |
{ |
38 | 0 | String expr = getFullExpression(); |
39 | 0 | if (!muleContext.getExpressionManager().isValidExpression(expr)) |
40 | |
{ |
41 | 0 | throw new CouldNotRouteOutboundMessageException( |
42 | |
CoreMessages.expressionInvalidForProperty("expression", expr), event, null); |
43 | |
} |
44 | |
|
45 | 0 | Object msgRecipients = muleContext.getExpressionManager().evaluate(expr, event.getMessage()); |
46 | 0 | if (msgRecipients == null) |
47 | |
{ |
48 | 0 | throw new CouldNotRouteOutboundMessageException( |
49 | |
CoreMessages.propertyIsNotSetOnEvent(getFullExpression()), event, null); |
50 | |
} |
51 | 0 | else if (msgRecipients instanceof String) |
52 | |
{ |
53 | 0 | return Arrays.asList(StringUtils.splitAndTrim(msgRecipients.toString(), " ,;:")); |
54 | |
} |
55 | 0 | else if (msgRecipients instanceof List) |
56 | |
{ |
57 | 0 | return new ArrayList((List) msgRecipients); |
58 | |
} |
59 | |
else |
60 | |
{ |
61 | 0 | logger.error("Recipients on message are neither String nor List but: " + msgRecipients.getClass()); |
62 | 0 | throw new CouldNotRouteOutboundMessageException( |
63 | |
CoreMessages.propertyIsNotSupportedType(getFullExpression(), new Class[]{String.class, List.class}, msgRecipients.getClass()), event, null); |
64 | |
} |
65 | |
} |
66 | |
|
67 | |
public String getFullExpression() |
68 | |
{ |
69 | 0 | if (fullExpression == null) |
70 | |
{ |
71 | 0 | if (evaluator.equalsIgnoreCase("custom")) |
72 | |
{ |
73 | 0 | evaluator = customEvaluator; |
74 | |
} |
75 | 0 | fullExpression = MessageFormat.format("{0}{1}:{2}{3}", |
76 | |
ExpressionManager.DEFAULT_EXPRESSION_PREFIX, |
77 | |
evaluator, expression, |
78 | |
ExpressionManager.DEFAULT_EXPRESSION_POSTFIX); |
79 | 0 | logger.debug("Full expression for EndpointSelector is: " + fullExpression); |
80 | |
} |
81 | 0 | return fullExpression; |
82 | |
} |
83 | |
|
84 | |
public String getExpression() |
85 | |
{ |
86 | 0 | return expression; |
87 | |
} |
88 | |
|
89 | |
public void setExpression(String expression) |
90 | |
{ |
91 | 0 | this.expression = expression; |
92 | 0 | } |
93 | |
|
94 | |
public String getCustomEvaluator() |
95 | |
{ |
96 | 0 | return customEvaluator; |
97 | |
} |
98 | |
|
99 | |
public void setCustomEvaluator(String customEvaluator) |
100 | |
{ |
101 | 0 | this.customEvaluator = customEvaluator; |
102 | 0 | } |
103 | |
|
104 | |
public String getEvaluator() |
105 | |
{ |
106 | 0 | return evaluator; |
107 | |
} |
108 | |
|
109 | |
public void setEvaluator(String evaluator) |
110 | |
{ |
111 | 0 | this.evaluator = evaluator; |
112 | 0 | } |
113 | |
} |