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11 package org.mule.transport.http.functional;
12
13 import org.mule.DefaultMuleMessage;
14 import org.mule.util.StringUtils;
15 import org.mule.api.MuleEventContext;
16 import org.mule.api.MuleMessage;
17 import org.mule.transport.DefaultMessageAdapter;
18 import org.mule.transport.http.HttpConnector;
19 import org.mule.transport.http.HttpConstants;
20
21 public class ETagComponent implements org.mule.api.lifecycle.Callable
22 {
23 String ETAG_VALUE = "0123456789";
24
25 public Object onCall(MuleEventContext eventContext) throws Exception
26 {
27 MuleMessage msg = eventContext.getMessage();
28
29 String etag = msg.getStringProperty(HttpConstants.HEADER_IF_NONE_MATCH, null);
30 if (etag != null && etag.equals(ETAG_VALUE))
31 {
32 DefaultMessageAdapter res = new DefaultMessageAdapter(StringUtils.EMPTY);
33 res.setIntProperty(HttpConnector.HTTP_STATUS_PROPERTY, 304);
34 msg = new DefaultMuleMessage(res);
35 }
36
37 msg.setProperty(HttpConstants.HEADER_ETAG, ETAG_VALUE);
38
39 return msg;
40 }
41
42 }
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