Example usage for org.springframework.expression.spel.standard SpelExpression getValue

Introduction

In this page you can find the example usage for org.springframework.expression.spel.standard SpelExpression getValue.

Prototype

@Override
    @Nullable
    public Object getValue(EvaluationContext context, Object rootObject) throws EvaluationException 

Source Link

Usage

From source file:bugs.TestEL.java

/**
 * Test the EL.//  w w  w .  j ava 2 s .  c  om
 */
@SuppressWarnings({ "boxing", "deprecation" })
@Test
public void testName() {
    // Arrange
    final SpelExpressionParser parser = new SpelExpressionParser();
    final StandardEvaluationContext context = new StandardEvaluationContext();

    final String spelExpression1 = "testDate.date";
    final String spelExpression2 = "class";
    final String spelExpression3 = "class.name";
    final String spelExpression4 = "name";

    final Date now = new Date();
    final String name = "Testname";

    final TestObject testObject = new TestObject();
    testObject.setTestDate(now);
    testObject.setName(name);

    final SpelExpression exp1 = (SpelExpression) parser.parseExpression(spelExpression1);
    final SpelExpression exp2 = (SpelExpression) parser.parseExpression(spelExpression2);
    final SpelExpression exp3 = (SpelExpression) parser.parseExpression(spelExpression3);
    final SpelExpression exp4 = (SpelExpression) parser.parseExpression(spelExpression4);
    // Act

    final Object value1 = exp1.getValue(context, testObject);

    final Object value2 = exp2.getValue(context, testObject);

    final Object value3 = exp3.getValue(context, testObject);

    Object value4 = null;
    try {
        value4 = exp4.getValue(context, testObject);
    } catch (SpelEvaluationException e) {
        Assert.assertEquals(
                "EL1021E:(pos 0): A problem occurred whilst " + "attempting to access the property 'name': "
                        + "'Unable to access property 'name' through getter'",
                e.getMessage());
        // CSOFF: RegexpSinglelineJava
        System.err.println("Spring-Bug SPR-9017 happens!");
        // CSON: RegexpSinglelineJava
        value4 = name;
    }

    // Assert
    Assert.assertEquals(value1, now.getDate());
    Assert.assertEquals(value2, TestObject.class);
    Assert.assertEquals(value3, TestObject.class.getName());
    Assert.assertEquals(value4, name);

}

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