Package org.apache.commons.jexl

Examples of org.apache.commons.jexl.Expression.evaluate()

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        /*
         *  access a method w/ args
         */
        e = ExpressionFactory.createExpression("foo.convert(1)");
        o = e.evaluate(jc);
        System.out.println("value of " + e.getExpression() + " is : " + o);

        e = ExpressionFactory.createExpression("foo.convert(1+7)");
        o = e.evaluate(jc);
        System.out.println("value of " + e.getExpression() + " is : " + o);
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        e = ExpressionFactory.createExpression("foo.convert(1)");
        o = e.evaluate(jc);
        System.out.println("value of " + e.getExpression() + " is : " + o);

        e = ExpressionFactory.createExpression("foo.convert(1+7)");
        o = e.evaluate(jc);
        System.out.println("value of " + e.getExpression() + " is : " + o);

        e = ExpressionFactory.createExpression("foo.convert(1+number)");
        o = e.evaluate(jc);
        System.out.println("value of " + e.getExpression() + " is : " + o);
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        e = ExpressionFactory.createExpression("foo.convert(1+7)");
        o = e.evaluate(jc);
        System.out.println("value of " + e.getExpression() + " is : " + o);

        e = ExpressionFactory.createExpression("foo.convert(1+number)");
        o = e.evaluate(jc);
        System.out.println("value of " + e.getExpression() + " is : " + o);

        /*
         * access a property
         */
 
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        /*
         * access a property
         */
        e = ExpressionFactory.createExpression("foo.bar");
        o = e.evaluate(jc);
        System.out.println("value returned for the property 'bar' is : " + o);

    }

    /**
 
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        if (trace) {
            log.trace("Evaluating expression: " + expression);
        }

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

        return obj;
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        Expression expr = ExpressionFactory.createExpression(expression);

        JexlContext ctx = JexlHelper.createContext();
        ctx.setVars(vars);

        Object result = expr.evaluate(ctx);
        if (debug) {
            log.debug("Result: " + result);
        }

        return result;
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                    try {
                        Expression e = ExpressionFactory.createExpression(
                                method.getAnnotation(Callback.class).condition());
                        JexlContext jc = JexlHelper.createContext();
                        jc.getVars().put("this", obj);
                        Object r = e.evaluate(jc);
                        if (!(r instanceof Boolean)) {
                            throw new RuntimeException("Expression did not returned a boolean value but: " + r);
                        }
                        Boolean oldVal = req.getCallbacks().get(method);
                        Boolean newVal = (Boolean) r;
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        Expression expr = ExpressionFactory.createExpression(expression);

        JexlContext ctx = JexlHelper.createContext();
        ctx.setVars(vars);

        Object result = expr.evaluate(ctx);
        log.debug("Result: {}", result);

        return result;
    }   
}
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        }

        log.trace("Evaluating expression: {}", expression);

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

        return obj;
    }
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    JexlContext jc = JexlHelper.createContext();
    jc.getVars().put("a", a);
    jc.getVars().put("b", b);
    try {
      Expression e = ExpressionFactory.createExpression("a+b");
      Object o = e.evaluate(jc);
      assertEquals(o, Long.valueOf(13));
      System.out.println("JEXL library test ok");
    } catch (Exception e) {
      e.printStackTrace();
      throw (e);
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