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package org.mule.transport.http.transformers; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.transformer.TransformerException; |
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import org.mule.transformer.AbstractMessageTransformer; |
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import java.net.URLDecoder; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.StringTokenizer; |
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25 | 0 | public class FormTransformer extends AbstractMessageTransformer |
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{ |
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@Override |
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public Object transformMessage(MuleMessage message, String outputEncoding) throws TransformerException |
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{ |
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try |
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{ |
33 | 0 | String v = message.getPayloadAsString(); |
34 | 0 | Map<String, Object> values = new HashMap<String, Object>(); |
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36 | 0 | final StringTokenizer tokenizer = new StringTokenizer(v, "&"); |
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String token; |
38 | 0 | while (tokenizer.hasMoreTokens()) |
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{ |
40 | 0 | token = tokenizer.nextToken(); |
41 | 0 | int idx = token.indexOf('='); |
42 | 0 | if (idx < 0) |
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{ |
44 | 0 | add(values, URLDecoder.decode(token, outputEncoding), null); |
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} |
46 | 0 | else if (idx > 0) |
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{ |
48 | 0 | add(values, URLDecoder.decode(token.substring(0, idx), outputEncoding), |
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URLDecoder.decode(token.substring(idx + 1), outputEncoding)); |
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} |
51 | 0 | } |
52 | 0 | return values; |
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} |
54 | 0 | catch (Exception e) |
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{ |
56 | 0 | throw new TransformerException(this, e); |
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} |
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} |
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@SuppressWarnings("unchecked") |
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private void add(Map<String, Object> values, String key, String value) |
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{ |
63 | 0 | Object existingValue = values.get(key); |
64 | 0 | if (existingValue == null) |
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{ |
66 | 0 | values.put(key, value); |
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} |
68 | 0 | else if (existingValue instanceof List) |
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{ |
70 | 0 | List<String> list = (List<String>)existingValue; |
71 | 0 | list.add(value); |
72 | 0 | } |
73 | 0 | else if (existingValue instanceof String) |
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{ |
75 | 0 | List<String> list = new ArrayList<String>(); |
76 | 0 | list.add((String)existingValue); |
77 | 0 | list.add(value); |
78 | 0 | values.put(key, list); |
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} |
80 | 0 | } |
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} |