Examples with JexlEngine org.apache.commons.jexl2.JexlEngine used on opensource projects

Example 1 with JexlEngine

use of org.apache.commons.jexl2.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.jexl2.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.jexl2.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.jexl2.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.jexl2.JexlEngine in project newts by OpenNMS.

the class ResultDescriptor method expression.

public ResultDescriptor expression(String label, String expression) {
    final JexlEngine je = new JexlEngine();
    final Expression expr = je.createExpression(expression);
    final String[] labels = getLabels().toArray(new String[0]);
    CalculationFunction evaluate = new CalculationFunction() {

        private static final long serialVersionUID = -3328049421398096252L;

        @Override
        public double apply(double... ds) {
            JexlContext jc = new MapContext();
            for (int i = 0; i < labels.length; i++) {
                jc.set(labels[i], ds[i]);
            }
            return ((Number) expr.evaluate(jc)).doubleValue();
        }
    };
    return calculate(label, evaluate, labels);
}