eventexpander.java

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     * Expand parms in the event logmsg
     */
    private static void expandParms(Logmsg logmsg, Event event) {
        String strRet = EventUtil.expandParms(logmsg.getContent(), event);
        if (strRet != null) {
            logmsg.setContent(strRet);
        }
    }

    /**
     * Expand parms in the event autoaction(s)
     */
    private static void expandParms(Autoaction[] autoactions, Event event) {
        boolean expanded = false;

        for (int index = 0; index < autoactions.length; index++) {
            Autoaction action = autoactions[index];

            String strRet = EventUtil.expandParms(action.getContent(), event);
            if (strRet != null) {
                action.setContent(strRet);
                expanded = true;
            }
        }

        if (expanded)
            event.setAutoaction(autoactions);
    }

    /**
     * Expand parms in the event operaction(s)
     */
    private static void expandParms(Operaction[] operactions, Event event) {
        boolean expanded = false;

        for (int index = 0; index < operactions.length; index++) {
            Operaction action = operactions[index];

            String strRet = EventUtil.expandParms(action.getContent(), event);
            if (strRet != null) {
                action.setContent(strRet);
                expanded = true;
            }
        }

        if (expanded)
            event.setOperaction(operactions);
    }

    /**
     * Expand parms in the event tticket
     */
    private static void expandParms(Tticket tticket, Event event) {
        String strRet = EventUtil.expandParms(tticket.getContent(), event);
        if (strRet != null) {
            tticket.setContent(strRet);
        }
    }

    /**
     * Expand the element values if they have parms in one of the following
     * formats
     *  - %element% values are expanded to have the value of the element where
     * 'element' is an element in the event DTD - %parm[values-all]% is expanded
     * to a delimited list of all parmblock values - %parm[names-all]% is
     * expanded to a list of all parm names - %parm[all]% is expanded to a full
     * dump of all parmblocks - %parm[ <name>]% is replaced by the value of the
     * parameter named 'name', if present - %parm[# <num>]% is replaced by the
     * value of the parameter number 'num', if present - %parm[##]% is replaced
     * by the number of parameters
     */
    private static void expandParms(Event event) {
        String strRet = null;

        // description
        if (event.getDescr() != null) {
            strRet = EventUtil.expandParms(event.getDescr(), event);
            if (strRet != null) {
                event.setDescr(strRet);
                strRet = null;
            }
        }

        // logmsg
        if (event.getLogmsg() != null) {
            expandParms(event.getLogmsg(), event);
        }

        // operinstr
        if (event.getOperinstruct() != null) {
            strRet = EventUtil.expandParms(event.getOperinstruct(), event);
            if (strRet != null) {
                event.setOperinstruct(strRet);
                strRet = null;
            }
        }

        // autoaction
        if (event.getAutoaction() != null) {
            expandParms(event.getAutoaction(), event);
        }

        // operaction
        if (event.getOperaction() != null) {
            expandParms(event.getOperaction(), event);
        }

        // tticket
        if (event.getTticket() != null) {
            expandParms(event.getTticket(), event);
        }
    }

    /**
     * <p>
     * This method is invoked to check and configure a received event. The event
     * configuration manager is consulted to find the appropriate configuration
     * that is used to expand the event. In addition, the security parameters
     * from the configuration manager is consulted to ensure that secure files
     * are cleared out if necessary.
     * </p>
     * 
     * <p>
     * Any secure fields that exists in the incomming event are cleared during
     * expansion.
     * </p>
     * 
     * @param e
     *            The event to expand if necesary.
     * 
     */
    public static synchronized void expandEvent(Event e) {
        org.opennms.netmgt.xml.eventconf.Event econf = lookup(e);

        if (econf != null) {
            if (EventConfigurationManager.isSecureTag("mask"))
                e.setMask(null);
            if (e.getMask() == null && econf.getMask() != null) {
                e.setMask(transform(econf.getMask()));
            }

            // Copy the UEI
            //
            if (e.getUei() == null)
                e.setUei(econf.getUei());

            // Copy the Snmp Information
            //
            if (e.getSnmp() == null && econf.getSnmp() != null)
                e.setSnmp(transform(econf.getSnmp()));

            // Copy the description
            //
            if (EventConfigurationManager.isSecureTag("descr"))
                e.setDescr(null);
            if (e.getDescr() == null && econf.getDescr() != null)
                e.setDescr(econf.getDescr());

            // Copy the log message if any
            //
            if (EventConfigurationManager.isSecureTag("logmsg"))
                e.setLogmsg(null);
            if (e.getLogmsg() == null && econf.getLogmsg() != null)
                e.setLogmsg(transform(econf.getLogmsg()));

            // Copy the severity
            //
            if (EventConfigurationManager.isSecureTag("severity"))
                e.setSeverity(null);
            if (e.getSeverity() == null && econf.getSeverity() != null)
                e.setSeverity(econf.getSeverity());

            // Set the correlation information
            //
            if (EventConfigurationManager.isSecureTag("correlation"))
                e.setCorrelation(null);
            if (e.getCorrelation() == null && econf.getCorrelation() != null)
                e.setCorrelation(transform(econf.getCorrelation()));

            // Copy the operator instruction
            //
            if (EventConfigurationManager.isSecureTag("operinstruct"))
                e.setOperinstruct(null);
            if (e.getOperinstruct() == null && econf.getOperinstruct() != null)
                e.setOperinstruct(econf.getOperinstruct());

            // Copy the auto actions.
            //
            if (EventConfigurationManager.isSecureTag("autoaction"))
                e.clearAutoaction();
            if (e.getAutoactionCount() == 0 && econf.getAutoactionCount() > 0) {
                Enumeration eter = econf.enumerateAutoaction();
                while (eter.hasMoreElements()) {
                    org.opennms.netmgt.xml.eventconf.Autoaction src = (org.opennms.netmgt.xml.eventconf.Autoaction) eter.nextElement();
                    e.addAutoaction(transform(src));
                }
            }

            // Convert the operator actions
            //
            if (EventConfigurationManager.isSecureTag("operaction"))
                e.clearOperaction();
            if (e.getOperactionCount() == 0 && econf.getOperactionCount() > 0) {
                Enumeration eter = econf.enumerateOperaction();
                while (eter.hasMoreElements()) {
                    org.opennms.netmgt.xml.eventconf.Operaction src = (org.opennms.netmgt.xml.eventconf.Operaction) eter.nextElement();
                    e.addOperaction(transform(src));
                }
            }

            // Convert the auto acknowledgement
            //
            if (EventConfigurationManager.isSecureTag("autoacknowledge"))
                e.setAutoacknowledge(null);
            if (e.getAutoacknowledge() == null && econf.getAutoacknowledge() != null)
                e.setAutoacknowledge(transform(econf.getAutoacknowledge()));

            // Convert the log group information
            //
            if (EventConfigurationManager.isSecureTag("loggroup"))
                e.clearLoggroup();
            if (e.getLoggroupCount() == 0 && econf.getLoggroupCount() > 0)
                e.setLoggroup(econf.getLoggroup());

            // Convert the trouble tickets.
            //
            if (EventConfigurationManager.isSecureTag("tticket"))
                e.setTticket(null);
            if (e.getTticket() == null && econf.getTticket() != null)
                e.setTticket(transform(econf.getTticket()));

            // Convert the forward entry
            //
            if (EventConfigurationManager.isSecureTag("forward"))
                e.clearForward();
            if (e.getForwardCount() == 0 && econf.getForwardCount() > 0) {
                Enumeration eter = econf.enumerateForward();
                while (eter.hasMoreElements()) {
                    org.opennms.netmgt.xml.eventconf.Forward src = (org.opennms.netmgt.xml.eventconf.Forward) eter.nextElement();
                    e.addForward(transform(src));
                }
            }

            // Convert the script entry
            //
            if (EventConfigurationManager.isSecureTag("script"))
                e.clearScript();
            if (e.getScriptCount() == 0 && econf.getScriptCount() > 0) {
                Enumeration eter = econf.enumerateScript();
                while (eter.hasMoreElements()) {
                    org.opennms.netmgt.xml.eventconf.Script src = (org.opennms.netmgt.xml.eventconf.Script) eter.nextElement();
                    e.addScript(transform(src));
                }
            }

            // Copy the mouse over text
            //
            if (EventConfigurationManager.isSecureTag("mouseovertext"))
                e.setMouseovertext(null);
            if (e.getMouseovertext() == null && econf.getMouseovertext() != null)
                e.setMouseovertext(econf.getMouseovertext());

        } // end fill of event using econf

        // do the event parm expansion
        expandParms(e);

    } // end expandEvent()
}