Examples with JexlEngine org.apache.commons.jexl3.JexlEngine used on opensource projects

Example 1 with JexlEngine

use of org.apache.commons.jexl3.JexlEngine in project opennms by OpenNMS.

the class IpInterfaceScan method isIpMatching.

protected static boolean isIpMatching(final InetAddress ip, final String expr) {
    try {
        JexlEngine parser = new JexlEngine();
        Expression e = parser.createExpression(generateExpr(expr));
        final Map<String, Object> context = new HashMap<String, Object>();
        context.put("iplike", IPLike.class);
        context.put("ipaddr", ip.getHostAddress());
        Boolean out = (Boolean) e.evaluate(new MapContext(context));
        return out;
    } catch (Exception e) {
        LOG.error("Can't process rule '{}' while checking IP {}.", expr, ip, e);
        return false;
    }
}

Example 2 with JexlEngine

use of org.apache.commons.jexl3.JexlEngine in project jmeter by apache.

the class Jexl2Function method threadFinished.

@Override
public void threadFinished() {
    JexlEngine engine = threadLocalJexl.get();
    if (engine != null) {
        engine.clearCache();
        threadLocalJexl.remove();
    }
}

Example 3 with JexlEngine

use of org.apache.commons.jexl3.JexlEngine in project jmeter by apache.

the class Jexl2Function method getJexlEngine.

/**
     * Get JexlEngine from ThreadLocal
     * @return JexlEngine
     */
private static JexlEngine getJexlEngine() {
    JexlEngine engine = threadLocalJexl.get();
    if (engine == null) {
        engine = new JexlEngine();
        engine.setCache(512);
        engine.setLenient(false);
        engine.setSilent(false);
        threadLocalJexl.set(engine);
    }
    return engine;
}

Example 4 with JexlEngine

use of org.apache.commons.jexl3.JexlEngine in project jmeter by apache.

the class Jexl3Function method getJexlEngine.

/**
     * Get JexlEngine from ThreadLocal
     * @return JexlEngine
     */
private static JexlEngine getJexlEngine() {
    JexlEngine engine = threadLocalJexl.get();
    if (engine == null) {
        engine = new JexlBuilder().cache(512).silent(true).strict(true).debug(false).create();
        threadLocalJexl.set(engine);
    }
    return engine;
}

Example 5 with JexlEngine

use of org.apache.commons.jexl3.JexlEngine in project opennms by OpenNMS.

the class GraphResultsController method getSuggestedReports.

/**
 * <p>getSuggestedReports</p>
 *
 * @return an array of {@link java.lang.String} objects.
 */
public String[] getSuggestedReports(ResourceId resourceId, String matching) {
    List<String> metricList = new ArrayList<>();
    JexlEngine expressionParser = new JexlEngine();
    try {
        ExpressionImpl e = (ExpressionImpl) expressionParser.createExpression(matching);
        for (List<String> list : e.getVariables()) {
            if (list.get(0).equalsIgnoreCase("math")) {
                continue;
            }
            if (list.get(0).equalsIgnoreCase("datasources")) {
                metricList.add(list.get(1).intern());
            } else {
                metricList.add(list.get(0).intern());
            }
        }
    } catch (Exception e) {
    }
    if (!metricList.isEmpty()) {
        List<String> templates = new ArrayList<>();
        for (PrefabGraph graph : m_graphResultsService.getAllPrefabGraphs(resourceId)) {
            boolean found = false;
            for (String c : graph.getColumns()) {
                if (metricList.contains(c)) {
                    found = true;
                    continue;
                }
            }
            if (found) {
                templates.add(graph.getName());
            }
        }
        if (!templates.isEmpty()) {
            return templates.toArray(new String[templates.size()]);
        }
    }
    return new String[] { "all" };
}