[xgws-dev] CVS Update: codes/xsul/java/modules/ws_adressing_detect_duplicates/xsul/ws_addressing
Aleksander Andrzej Slominski
xgws-dev_at_extreme.indiana.edu
Wed Apr 19 13:32:01 2006
aslom 06/04/19 13:31:41
Added: xsul/java/modules/ws_adressing_detect_duplicates/xsul/ws_addressing
WsaDetectDuplicateMessageId.java
Log:
handler to drop m,essages with already seen messageIds
Revision Changes Path
1.1 codes/xsul/java/modules/ws_adressing_detect_duplicates/xsul/ws_addressing/WsaDetectDuplicateMessageId.java
Index: WsaDetectDuplicateMessageId.java
===================================================================
/* -*- mode: Java; c-basic-offset: 4; indent-tabs-mode: nil; -*- //------100-columns-wide------>|*/
/* Copyright (c) 2006 Extreme! Lab, Indiana University. All rights reserved.
* This software is open source. See the bottom of this file for the licence.
* $Id: WsaDetectDuplicateMessageId.java,v 1.1 2006/04/19 17:31:41 aslom Exp $ */
package xsul.ws_addressing;
import java.net.URI;
import java.util.HashSet;
import java.util.Set;
import org.xmlpull.v1.builder.XmlElement;
import org.xmlpull.v1.builder.XmlInfosetBuilder;
import xsul.XmlConstants;
import xsul.XsulException;
/**
* Detect if a message if messages woth a duplicated WS-Addressing MessageId.
*
* @version $Revision: 1.1 $
* @author <a href="http://www.extreme.indiana.edu/~aslom/">Aleksander Slominski</a>
*/
public class WsaDetectDuplicateMessageId {
private final static XmlInfosetBuilder builder = XmlConstants.BUILDER;
// It would nice ot add some cleanup to remove ids longer than N days (to free memory on busy server)
private Set messageIds = new HashSet();
public WsaDetectDuplicateMessageId() {
}
public boolean seenMessageId(XmlElement soapEnvelopeOrHeader) throws XsulException {
if(soapEnvelopeOrHeader == null) throw new IllegalArgumentException();
XmlElement header = soapEnvelopeOrHeader;
if(header.getName().equals("Envelope")) {
header = soapEnvelopeOrHeader.element(null, "Header");
if(header == null) { // no SOAP::Header --> no way to detect duplicates
return false;
}
} else if(!header.getName().equals("Header")) {
throw new IllegalArgumentException("element passed must be SOAP Envelope or Header");
}
WsaMessageInformationHeaders wmih = new WsaMessageInformationHeaders(header);
URI uri = wmih.getMessageId();
if(uri != null) { // no messageId --> no way to detect duplicates
String id = uri.toString();
boolean notSeenBefore = messageIds.add(id);
return ! notSeenBefore;
}
return false;
}
}
/*
* Indiana University Extreme! Lab Software License, Version 1.2
*
* Copyright (C) 2006 The Trustees of Indiana University.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1) All redistributions of source code must retain the above
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* the following acknowledgement:
*
* "This product includes software developed by the Indiana
* University Extreme! Lab. For further information please visit
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*
* Alternatively, this acknowledgment may appear in the software
* itself, and wherever such third-party acknowledgments normally
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*
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* permission from Indiana University. For written permission,
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*
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