Examples of com.volantis.xml.expression.Expression.evaluate()

Class com.volantis.xml.expression.Expression

Examples of com.volantis.xml.expression.Expression.evaluate()

com.volantis.xml.expression.Expression.evaluate()
Evaluate the expression. @param context The context within which the expression is evaluated. @return The result of the expression. @throws ExpressionException An exception if the exception resulted in anerror.

        Expression expression = parser.parse(getFunctionQName() +
            "('name', 'fred')");


        addSingleValueExpectations("name", "value");


        Value result = expression.evaluate(expressionContext);


        assertEquals("Result not as",
                     "value",
                     result.stringValue().asJavaString());
    }

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        // register the name value pair with the request
        addSingleValueExpectations("name", "value");


        // evaluate the expression
        Value result = expression.evaluate(expressionContext);


        // ensure that the correct value was returned
        assertEquals("Unexpected value returned",
                     "value",
                     result.stringValue().asJavaString());

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            "('name', 'default')[1]");


        addSingleValueExpectations("name", null);


        // evaluate the expression
        Value result = expression.evaluate(expressionContext);


        // ensure that the correct value was returned
        assertEquals("Unexpected value returned",
                     "default",
                     result.stringValue().asJavaString());

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            "('name', 'default')[2]");


        addSingleValueExpectations("name", null);


        // evaluate the expression
        Value result = expression.evaluate(expressionContext);


        assertTrue("Result was not a Sequence instance",
                   result instanceof Sequence);


        Sequence sequence = (Sequence)result;

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        // register the name value pair with the request
        addSingleValueExpectations("name", "value");


        // evaluate the expression
        Value result = expression.evaluate(expressionContext);


        assertTrue("Result was not a Sequence instance",
                   result instanceof Sequence);


        Sequence sequence = (Sequence)result;

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        // create an expression
        Expression expression = parser.parse(getFunctionQName() +
                                             "('TestDevice')");


        // evalute the expression
        return expression.evaluate(expressionContext);
    }


    // javadoc inherited
    protected String getURI() {
        return DEVICE_URI;

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