Package org.apache.commons.jexl2

Examples of org.apache.commons.jexl2.UnifiedJEXL$Template

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        return result;
    }
   
    @Test
    public void testSimple() {
        Template t = new Template("This is a test @[foo]\n@[bar]");
        Assert.assertEquals("This is a test FOO\nBAR", t.eval(env(
                "foo", "FOO",
                "bar", "BAR")));
    }
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                "bar", "BAR")));
    }
   
    @Test
    public void testJustPlaceholder() {
        Template t = new Template("@[foo]");
        Assert.assertEquals("FOO", t.eval(env(
                "foo", "FOO")));
    }
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                "foo", "FOO")));
    }
   
    @Test
    public void testSimpleMissing() {
        Template t = new Template("This is a test @[foo]\n@[bar]");
        try {
            t.eval(env(
                    "foo", "FOO"));
            Assert.fail();
        } catch (RuntimeException e) {
            Assert.assertEquals("No replacement for bar at line 2", e.getMessage());
        }
        t = new Template("This is a test @[foo]\n\r\n@[bar]");
        try {
            t.eval(env(
                    "foo", "FOO"));
            Assert.fail();
        } catch (RuntimeException e) {
            Assert.assertEquals("No replacement for bar at line 3", e.getMessage());
        }
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    public String evaluate(final String expression, final JexlContext jexlContext) {
        String result = "";

        if (StringUtils.isNotBlank(expression) && jexlContext != null) {
            try {
                Expression jexlExpression = jexlEngine.createExpression(expression);
                Object evaluated = jexlExpression.evaluate(jexlContext);
                if (evaluated != null) {
                    result = evaluated.toString();
                }
            } catch (JexlException e) {
                LOG.error("Invalid jexl expression: " + expression, e);
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     */
    @Override
    public FeatureState process(final ContextManager contextManager)
    {
        final JexlEngine jexlEngine = new JexlEngine();
        Expression jexlExpression;
        if (expression != null) {
            jexlExpression = jexlEngine.createExpression(expression);
        } else {
            jexlExpression = getOldExpression(jexlEngine);
        }
       
        final Map<String, Object> contextMap = contextManager.getContext(context);
        final JexlContext jexlContext = new MapContext(contextMap);

        return Boolean.TRUE.equals(jexlExpression.evaluate(jexlContext)) ? FeatureState.ENABLED : FeatureState.DISABLED;
    }
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     * @param expected is the expected value of the expression
     * @throws Exception if the expression could not be evaluationed or an assertion
     * fails
     */
    public void assertExpression(String expression, Object expected) throws Exception {
        Expression exp = engine.createExpression(expression);
        Object value = exp.evaluate(context);

        assertEquals("expression: " + expression, expected, value);
    }
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    public void failExpression(String expression, String matchException) throws Exception {
        boolean[] flags = { engine.isLenient(), engine.isSilent() };
        try {
            engine.setLenient(false);
            engine.setSilent(false);
            Expression exp = engine.createExpression(expression);
            exp.evaluate(context);
            fail("expression: " + expression);
        } catch(JexlException xjexl) {
            if (matchException != null && !xjexl.getMessage().matches(matchException)) {
                fail("expression: " + expression + ", expected: " + matchException + ", got " + xjexl.getMessage());
            }
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    /**
     * {@inheritDoc }
     */
    public Object evaluate(Object context, String expression) {
        Expression jexlExpression = engine.createExpression(expression);
        JexlContext jexlContext = new ObjectContext(engine, context);
       
        return jexlExpression.evaluate(jexlContext);
    }
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    public Map<String, Object> getVariables() {
        return variables;
    }

    protected Expression createExpression(final String expression) throws Exception {
        Expression expr = engine.createExpression(expression);
        return expr;
    }
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        if (expression == null) {
            throw new IllegalArgumentException("expression");
        }

        log.trace("Evaluating expression: {}", expression);
        Expression expr = createExpression(expression);
        Object obj = expr.evaluate(context);
        log.trace("Result: {}", obj);

        return obj;
    }
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