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

Example 16 with JexlExpression

use of org.apache.commons.jexl3.JexlExpression in project commons-jexl by apache.

the class SandboxTest method testSetNullKeyAllowed0.

@Test
public void testSetNullKeyAllowed0() throws Exception {
    Arithmetic350 a350 = new Arithmetic350(true);
    JexlEngine jexl = new JexlBuilder().arithmetic(a350).sandbox(new JexlSandbox(true)).create();
    JexlContext jc = new MapContext();
    JexlExpression expression = jexl.createExpression("{null : 'foo'}[null] = 'bar'");
    expression.evaluate(jc);
    Map<?, ?> map = a350.getLastMap();
    Assert.assertEquals("bar", map.get(null));
}

Example 17 with JexlExpression

use of org.apache.commons.jexl3.JexlExpression in project commons-jexl by apache.

the class SandboxTest method testGetNullKeyAllowed0.

@Test
public void testGetNullKeyAllowed0() throws Exception {
    JexlEngine jexl = new JexlBuilder().sandbox(new JexlSandbox(true)).create();
    JexlExpression expression = jexl.createExpression("{null : 'foo'}[null]");
    Object o = expression.evaluate(null);
    Assert.assertEquals("foo", o);
}

Example 18 with JexlExpression

use of org.apache.commons.jexl3.JexlExpression in project dotwebstack-framework by dotwebstack.

the class JexlHelper method evaluateExpression.

public <T> Optional<T> evaluateExpression(String expressionString, JexlContext context, Class<T> clazz) {
    JexlExpression expression = this.engine.createExpression(expressionString);
    Object evaluated = expression.evaluate(context);
    if (evaluated == null) {
        return Optional.empty();
    } else if (!clazz.isInstance(evaluated)) {
        throw illegalArgumentException("Jexl evaluateDirectiveArgument type mismatch: expected[{}], but was [{}].", clazz, evaluated.getClass());
    } else {
        return Optional.of(cast(clazz, evaluated));
    }
}

Example 19 with JexlExpression

use of org.apache.commons.jexl3.JexlExpression in project Qualitis by WeBankFinTech.

the class JexlUtil method executeExpression.

public static Object executeExpression(String jexlExpression, Map<String, Object> map) {
    JexlExpression expression = jexlEngine.createExpression(jexlExpression);
    JexlContext context = new MapContext();
    if (map != null && !map.isEmpty()) {
        map.forEach(context::set);
    }
    return expression.evaluate(context);
}

Example 20 with JexlExpression

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

the class PredicateEvaluatorTest method evaluate.

@Test
public void evaluate() {
    ImmutableAssessmentContextValue assessmentValue = ImmutableAssessmentContextValue.builder().ratingCode("A").ratingName("aRating").ratingExternalId("A_RATING").ratingComment("a rating description").build();
    ImmutableSurveyQuestionResponseContextValue surveyValue = ImmutableSurveyQuestionResponseContextValue.builder().value("yes").comment("a survey comment").build();
    ImmutableContextVariable<Object> assessmentVar = ImmutableContextVariable.builder().name("assessmentVar").value(assessmentValue).entityRef(EntityReference.mkRef(EntityKind.APPLICATION, 1L)).build();
    ImmutableContextVariable<Object> surveyVar = ImmutableContextVariable.builder().name("surveyVar").value(surveyValue).entityRef(EntityReference.mkRef(EntityKind.APPLICATION, 1L)).build();
    Set<ContextVariable<?>> contextVariables = asSet(assessmentVar, surveyVar);
    JexlBuilder builder = new JexlBuilder();
    JexlEngine jexl = builder.create();
    JexlExpression pred1Expr = jexl.createExpression("assessmentVar.ratingCode == 'A'");
    JexlExpression pred2Expr = jexl.createExpression("assessmentVar.ratingCode == 'C' || surveyVar.value == 'yes'");
    JexlExpression pred3Expr = jexl.createExpression("assessmentVar.ratingCode == 'C'");
    JexlExpression invalidExpr = jexl.createExpression("foo?.bar");
    MapContext ctx = createContext(contextVariables);
    assertTrue(evaluatePredicate(pred1Expr, ctx), "pred1Expr should evaluate true, rating equals A");
    assertTrue(evaluatePredicate(pred2Expr, ctx), "pred2Expr should evaluate true, survey value equals 'yes");
    assertFalse(evaluatePredicate(pred3Expr, ctx), "pred3Expr should evaluate false, rating equals A");
    assertFalse(evaluatePredicate(invalidExpr, ctx), "Invalid expressions should return false");
    Object evaluate = invalidExpr.evaluate(ctx);
    System.out.println(evaluate);
}