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

Example 6 with JexlExpression

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

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));
}

Example 7 with JexlExpression

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

the class ReferenceBuilderNamespaceTest method declarationsFromFile.

@Test
public void declarationsFromFile() throws IOException {
    String declarationExpressions = readAsString(getFileResource("decl-test.cfg").getInputStream());
    ReferenceBuilderContext jexlCtx = new ReferenceBuilderContext();
    JexlExpression expr = jexl.createExpression(declarationExpressions);
    expr.evaluate(jexlCtx);
    Set<ContextVariableDeclaration> declarations = jexlCtx.declarations();
    assertEquals(3, declarations.size());
    Optional<ContextVariableDeclaration> x = find(declarations, t -> t.name().equals("x"));
    Optional<ContextVariableDeclaration> y = find(declarations, t -> t.name().equals("y"));
    Optional<ContextVariableDeclaration> longName = find(declarations, t -> t.name().equals("longName"));
    assertTrue(x.isPresent());
    assertTrue(y.isPresent());
    assertTrue(longName.isPresent());
    x.ifPresent(t -> assertEquals(t.ref(), ReferenceBuilderNamespace.assessment("wibble")));
    y.ifPresent(t -> assertEquals(t.ref(), ReferenceBuilderNamespace.surveyQuestionResponse("surv", "q1")));
    longName.ifPresent(t -> assertEquals(t.ref(), ReferenceBuilderNamespace.surveyQuestionResponse("surv", "q2")));
}

Example 8 with JexlExpression

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

the class JexlEngineUtil method evaluateCondition.

public boolean evaluateCondition(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
    validateCondition(trimedJexlExp);
    LOGGER.debug("Evaluating condiitional expression : {}", trimedJexlExp);
    Map<String, Object> localContext = new HashMap<>(functions);
    localContext.putAll(context);
    JexlExpression exp = jexl.createExpression(trimedJexlExp);
    JexlContext jc = new MapContext();
    localContext.entrySet().forEach(e -> jc.set(e.getKey(), e.getValue()));
    // Now evaluate the expression, getting the result
    boolean obj = (boolean) exp.evaluate(jc);
    LOGGER.debug("Evaluated expression : {}, returning object {}", trimedJexlExp, obj);
    return obj;
}

Example 9 with JexlExpression

use of org.apache.commons.jexl3.JexlExpression in project com.revolsys.open by revolsys.

the class PhoneNumber method format.

/**
 * Parse a phone number using the regular expression and if it matches the
 * phone number, format it using the specified format otherwise return null.
 *
 * @param phoneNumber The normalized phone number to format.
 * @param regex The regular expression to match phone numbers.
 * @param format The format specification.
 * @return The formatted phone number.
 */
public static String format(final String phoneNumber, final String regex, final String format) {
    if (phoneNumber != null && regex != null && format != null) {
        final Pattern pattern = Pattern.compile(regex);
        final Matcher matcher = pattern.matcher(phoneNumber);
        if (matcher.matches()) {
            final Map values = new HashMap();
            for (int i = 1; i <= matcher.groupCount(); i++) {
                values.put("n" + i, matcher.group(i));
            }
            JexlExpression expression;
            try {
                expression = JexlUtil.newExpression(format);
            } catch (final Exception e) {
                throw new IllegalArgumentException(regex + " is not a valid regular expression: " + e.getMessage());
            }
            final MapContext context = new MapContext(values);
            try {
                return (String) expression.evaluate(context);
            } catch (final Exception e) {
                throw new IllegalArgumentException(format + " is not a valid format: " + e.getMessage());
            }
        }
    }
    return null;
}

Example 10 with JexlExpression

use of org.apache.commons.jexl3.JexlExpression in project com.revolsys.open by revolsys.

the class MenuItem method setUri.

public void setUri(final String uri) {
    if (uri != null) {
        JexlExpression uriExpression = null;
        try {
            uriExpression = JexlUtil.newExpression(uri.replaceAll(" ", "%20"));
        } catch (final Exception e) {
            log.error(e.getMessage(), e);
        }
        if (uriExpression == null) {
            this.uri = uri.replaceAll(" ", "%20");
            this.uriExpression = null;
        } else {
            this.uri = null;
            this.uriExpression = uriExpression;
        }
    } else {
        this.uri = null;
        this.uriExpression = null;
    }
}