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package org.mule.transformer.simple; |
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import org.mule.DefaultMuleEvent; |
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import org.mule.DefaultMuleMessage; |
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import org.mule.api.MuleEvent; |
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import org.mule.api.MuleException; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.MuleMessageCollection; |
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import org.mule.api.processor.MessageProcessor; |
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import java.util.ArrayList; |
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import java.util.Collection; |
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import java.util.List; |
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30 | 0 | public class CombineCollectionsTransformer implements MessageProcessor |
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{ |
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public MuleEvent process(MuleEvent event) throws MuleException |
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{ |
35 | 0 | MuleMessage msg = event.getMessage(); |
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37 | 0 | List<Object> payload = new ArrayList<Object>(); |
38 | 0 | if (msg instanceof MuleMessageCollection) |
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{ |
40 | 0 | MuleMessageCollection collection = (MuleMessageCollection) msg; |
41 | 0 | collection.getPayload(); |
42 | 0 | for (MuleMessage child : collection.getMessagesAsArray()) |
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{ |
44 | 0 | Object childPayload = child.getPayload(); |
45 | 0 | if (childPayload instanceof Collection) |
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{ |
47 | 0 | payload.addAll((Collection) childPayload); |
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} |
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else |
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{ |
51 | 0 | payload.add(childPayload); |
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} |
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} |
54 | 0 | } |
55 | 0 | else if (msg.getPayload() instanceof Collection) |
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{ |
57 | 0 | add(payload, (Collection)msg.getPayload()); |
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} |
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else |
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{ |
61 | 0 | payload.add(msg.getPayload()); |
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} |
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64 | 0 | DefaultMuleMessage listMessage = new DefaultMuleMessage(payload, msg, msg.getMuleContext()); |
65 | 0 | return new DefaultMuleEvent(listMessage, event); |
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} |
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private void add(List<Object> newPayload, Collection existingPayload) |
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{ |
70 | 0 | for (Object o : existingPayload) |
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{ |
72 | 0 | if (o instanceof Collection) |
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{ |
74 | 0 | newPayload.addAll((Collection)o); |
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} |
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else |
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{ |
78 | 0 | newPayload.add(o); |
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} |
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} |
81 | 0 | } |
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} |