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package org.mule.transformer; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.transformer.Transformer; |
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import org.mule.api.transformer.TransformerException; |
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import java.util.Arrays; |
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import java.util.Iterator; |
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import java.util.List; |
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public class TransformerCollection extends AbstractMessageAwareTransformer |
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{ |
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private List transformers; |
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public TransformerCollection(List transformers) |
26 | 0 | { |
27 | 0 | if (transformers.size() < 1) |
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{ |
29 | 0 | throw new IllegalArgumentException("You must set at least one transformer"); |
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} |
31 | 0 | this.transformers = transformers; |
32 | 0 | } |
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public TransformerCollection(Transformer[] transformers) |
35 | 14 | { |
36 | 14 | if (transformers.length < 1) |
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{ |
38 | 0 | throw new IllegalArgumentException("You must set at least one transformer"); |
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} |
40 | 14 | this.transformers = Arrays.asList(transformers); |
41 | 14 | } |
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public Object transform(MuleMessage message, String outputEncoding) throws TransformerException |
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{ |
45 | 14 | MuleMessage result = message; |
46 | 14 | Object temp = message; |
47 | 14 | Transformer lastTransformer = null; |
48 | 14 | for (Iterator iterator = transformers.iterator(); iterator.hasNext();) |
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{ |
50 | 26 | lastTransformer = (Transformer) iterator.next(); |
51 | 26 | temp = lastTransformer.transform(temp); |
52 | 22 | if (temp instanceof MuleMessage) |
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{ |
54 | 0 | result = (MuleMessage) temp; |
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} |
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else |
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{ |
58 | 22 | result.setPayload(temp); |
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} |
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} |
61 | 10 | if (lastTransformer != null && lastTransformer.getReturnClass().equals(MuleMessage.class)) |
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{ |
63 | 0 | return result; |
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} |
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else |
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{ |
67 | 10 | return result.getPayload(); |
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} |
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} |
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} |