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package org.mule.module.ibeans.config; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.expression.ExpressionEvaluator; |
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import org.mule.api.expression.ExpressionRuntimeException; |
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import org.mule.config.i18n.CoreMessages; |
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import java.util.Map; |
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import org.apache.commons.beanutils.MethodUtils; |
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21 | 0 | public class InvokeExpressionEvaluator implements ExpressionEvaluator |
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{ |
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public Object evaluate(String expression, MuleMessage message) |
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{ |
25 | 0 | int i = expression.indexOf("."); |
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String property; |
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String method; |
28 | 0 | if(i > -1) |
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{ |
30 | 0 | property = expression.substring(0, i); |
31 | 0 | method = expression.substring(i+1); |
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} |
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else |
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{ |
35 | 0 | throw new IllegalArgumentException(); |
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} |
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Object[] args; |
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39 | 0 | if(message.getPayload() instanceof Map) |
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{ |
41 | 0 | args = ((Map)message.getPayload()).values().toArray(new Object[]{}); |
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} |
43 | 0 | else if(message.getPayload().getClass().isArray()) |
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{ |
45 | 0 | args = (Object[]) message.getPayload(); |
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} |
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else |
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{ |
49 | 0 | args = new Object[]{message.getPayload()}; |
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} |
51 | 0 | Object o = message.getInvocationProperty(property,null); |
52 | 0 | if(o!=null) |
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{ |
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try |
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{ |
56 | 0 | return MethodUtils.invokeMethod(o, method, args); |
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} |
58 | 0 | catch (Exception e) |
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{ |
60 | 0 | throw new ExpressionRuntimeException(CoreMessages.failedToInvoke(expression), e); |
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} |
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} |
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else |
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{ |
65 | 0 | throw new ExpressionRuntimeException(CoreMessages.expressionMalformed(expression, getName())); |
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} |
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} |
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public void setName(String name) |
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{ |
71 | 0 | throw new UnsupportedOperationException("setName"); |
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} |
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public String getName() |
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{ |
76 | 0 | return "invoke"; |
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} |
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} |