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

Example 46 with JexlExpression

use of org.apache.commons.jexl3.JexlExpression in project hl7v2-fhir-converter by LinuxForHealth.

the class JexlEngineUtil method evaluate.

public Object evaluate(String jexlExp, Map<String, Object> context) {
    Preconditions.checkArgument(StringUtils.isNotBlank(jexlExp), "jexlExp cannot be blank");
    Preconditions.checkArgument(context != null, "context cannot be null");
    String trimedJexlExp = StringUtils.trim(jexlExp);
    // ensure that expression
    validateExpression(trimedJexlExp);
    LOGGER.debug("Evaluating expression : {}", trimedJexlExp);
    Map<String, Object> localContext = new HashMap<>(functions);
    localContext.putAll(context);
    JexlExpression exp = exprCache.get(trimedJexlExp);
    if (exp == null) {
        exp = jexl.createExpression(trimedJexlExp);
        exprCache.put(trimedJexlExp, exp);
    }
    JexlContext jc = new MapContext();
    localContext.entrySet().forEach(e -> jc.set(e.getKey(), e.getValue()));
    // Now evaluate the expression, getting the result
    try {
        Object obj = exp.evaluate(jc);
        LOGGER.debug("Evaluated expression : {}, returning object {}", trimedJexlExp, obj);
        return obj;
    } catch (JexlException e) {
        throw new DataExtractionException("Exception encountered during JEXL expression evaluation", e);
    }
}

Example 47 with JexlExpression

use of org.apache.commons.jexl3.JexlExpression in project jxls by jxlsteam.

the class JexlExpressionEvaluator method evaluate.

@Override
public Object evaluate(String expression, Map<String, Object> context) {
    JexlContext jexlContext = new MapContext(context);
    try {
        Map<String, JexlExpression> expressionMap = expressionMapThreadLocal.get();
        JexlExpression jexlExpression = expressionMap.get(expression);
        if (jexlExpression == null) {
            jexlExpression = getJexlEngine().createExpression(expression);
            expressionMap.put(expression, jexlExpression);
        }
        return jexlExpression.evaluate(jexlContext);
    } catch (Exception e) {
        throw new EvaluationException("An error occurred when evaluating expression " + expression, e);
    }
}

Example 48 with JexlExpression

use of org.apache.commons.jexl3.JexlExpression in project jxls by jxlsteam.

the class JexlExpressionEvaluatorNoThreadLocal method evaluate.

@Override
public Object evaluate(String expression, Map<String, Object> context) {
    JexlContext jexlContext = new MapContext(context);
    try {
        JexlExpression jexlExpression = expressionMap.get(expression);
        if (jexlExpression == null) {
            jexlExpression = jexl.createExpression(expression);
            expressionMap.put(expression, jexlExpression);
        }
        return jexlExpression.evaluate(jexlContext);
    } catch (Exception e) {
        throw new EvaluationException("An error occurred when evaluating expression " + expression, e);
    }
}

Example 49 with JexlExpression

use of org.apache.commons.jexl3.JexlExpression in project conga by wcm-io-devops.

the class JexlResolver method resolve.

public Object resolve(String expressionString, Map<String, Object> variables) {
    Map<String, Object> resolvedVariables = resolveMapWithoutCycles(variables);
    try {
        JexlExpression expression = jexl.createExpression(expressionString);
        JexlContext context = new MapContext(resolvedVariables);
        return expression.evaluate(context);
    } catch (JexlException ex) {
        throw new GeneratorException("Unable to parse expression: ${" + expressionString + "}: " + ex.getMessage(), ex);
    }
}

Example 50 with JexlExpression

use of org.apache.commons.jexl3.JexlExpression in project waltz by finos.

the class ReferenceBuilderNamespaceTest method evalTest.

@Test
public void evalTest() {
    JexlBuilder builder = new JexlBuilder();
    JexlEngine jexl = builder.create();
    JexlExpression expr = jexl.createExpression("x == 'IN_SCOPE' && y == 10");
    MapContext ctx1 = new MapContext();
    ctx1.set("x", "IN_SCOPE");
    ctx1.set("y", 10);
    MapContext ctx2 = new MapContext();
    ctx2.set("x", "IN_SCOPE");
    ctx2.set("y", 12);
    System.out.printf("Result1: [%s]\n", expr.evaluate(ctx1));
    System.out.printf("Result2: [%s]\n", expr.evaluate(ctx2));
}