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package org.mule; |
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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.MuleSession; |
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import org.mule.api.config.MuleProperties; |
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import org.mule.api.transformer.Transformer; |
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import org.mule.api.transport.SessionHandler; |
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import org.mule.config.i18n.CoreMessages; |
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import org.mule.transformer.codec.Base64Decoder; |
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import org.mule.transformer.codec.Base64Encoder; |
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import java.io.UnsupportedEncodingException; |
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import java.util.Iterator; |
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import java.util.StringTokenizer; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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38 | 944 | public class MuleSessionHandler implements SessionHandler |
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{ |
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44 | 944 | protected transient Log logger = LogFactory.getLog(getClass()); |
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46 | 2 | private static Transformer encoder = new Base64Encoder(); |
47 | 2 | private static Transformer decoder = new Base64Decoder(); |
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public void retrieveSessionInfoFromMessage(MuleMessage message, MuleSession session) throws MuleException |
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{ |
51 | 0 | String sessionId = (String) message.removeProperty(MuleProperties.MULE_SESSION_ID_PROPERTY); |
52 | 0 | Object sessionHeader = message.removeProperty(MuleProperties.MULE_SESSION_PROPERTY); |
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54 | 0 | if (sessionId != null) |
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{ |
56 | 0 | throw new IllegalStateException( |
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"This session handler does not know how to look up session information for session id: " |
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+ sessionId); |
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} |
60 | 0 | if (sessionHeader != null) |
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{ |
62 | 0 | String sessionString = null; |
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try |
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{ |
65 | 0 | sessionString = new String((byte[]) decoder.transform(sessionHeader), message.getEncoding()); |
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} |
67 | 0 | catch (UnsupportedEncodingException e) |
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{ |
69 | 0 | sessionString = new String((byte[]) decoder.transform(sessionHeader)); |
70 | 0 | } |
71 | 0 | if (logger.isDebugEnabled()) |
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{ |
73 | 0 | logger.debug("Parsing session header: " + sessionString); |
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} |
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String pair; |
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String name; |
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String value; |
78 | 0 | for (StringTokenizer stringTokenizer = new StringTokenizer(sessionString, ";"); stringTokenizer.hasMoreTokens();) |
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{ |
80 | 0 | pair = stringTokenizer.nextToken(); |
81 | 0 | int i = pair.indexOf("="); |
82 | 0 | if (i == -1) |
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{ |
84 | 0 | throw new IllegalArgumentException( |
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CoreMessages.sessionValueIsMalformed(pair).toString()); |
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} |
87 | 0 | name = pair.substring(0, i).trim(); |
88 | 0 | value = pair.substring(i + 1).trim(); |
89 | 0 | session.setProperty(name, value); |
90 | 0 | if (logger.isDebugEnabled()) |
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{ |
92 | 0 | logger.debug("Added MuleSession variable: " + pair); |
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} |
94 | 0 | } |
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} |
97 | 0 | } |
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public void storeSessionInfoToMessage(MuleSession session, MuleMessage message) throws MuleException |
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{ |
101 | 8 | StringBuffer buf = new StringBuffer(); |
102 | 8 | buf.append(getSessionIDKey()).append("=").append(session.getId()); |
103 | 8 | for (Iterator iterator = session.getPropertyNames(); iterator.hasNext();) |
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{ |
105 | 0 | Object o = iterator.next(); |
106 | 0 | buf.append(";"); |
107 | 0 | buf.append(o).append("=").append(session.getProperty(o)); |
108 | 0 | if (logger.isDebugEnabled()) |
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{ |
110 | 0 | logger.debug("Adding property to session header: " + o + "=" + session.getProperty(o)); |
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} |
112 | 0 | } |
113 | 8 | String sessionString = buf.toString(); |
114 | 8 | if (logger.isDebugEnabled()) |
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{ |
116 | 0 | logger.debug("Adding session header to message: " + sessionString); |
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} |
118 | 8 | sessionString = (String) encoder.transform(sessionString); |
119 | 8 | message.setProperty(MuleProperties.MULE_SESSION_PROPERTY, sessionString); |
120 | 8 | } |
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public String getSessionIDKey() |
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{ |
124 | 8 | return "ID"; |
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} |
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} |