Examples of org.springframework.expression.PropertyAccessor.canRead()

Class org.springframework.expression.PropertyAccessor

Examples of org.springframework.expression.PropertyAccessor.canRead()

org.springframework.expression.PropertyAccessor.canRead()
Called to determine if a resolver instance is able to access a specified property on a specified target object. @param context the evaluation context in which the access is being attempted @param target the target object upon which the property is being accessed @param name the name of the property being accessed @return true if this resolver is able to read the property @throws AccessException if there is any problem determining whether the property can be read


  @Test
  public void accessingNullPropertyViaReflection_SPR5663() throws AccessException {
    PropertyAccessor propertyAccessor = new ReflectivePropertyAccessor();
    EvaluationContext context = TestScenarioCreator.getTestEvaluationContext();
    assertFalse(propertyAccessor.canRead(context, null, "abc"));
    assertFalse(propertyAccessor.canWrite(context, null, "abc"));
    try {
      propertyAccessor.read(context, null, "abc");
      fail("Should have failed with an AccessException");
    }

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//    assertTrue(rpr.canRead(ctx, t, "property"));
//    assertEquals("hello",rpr.read(ctx, t, "property").getValue());
//    assertEquals("hello",rpr.read(ctx, t, "property").getValue()); // cached accessor used


    PropertyAccessor optA = rpr.createOptimalAccessor(ctx, t, "property");
    assertTrue(optA.canRead(ctx, t, "property"));
    assertFalse(optA.canRead(ctx, t, "property2"));
    try {
      optA.canWrite(ctx, t, "property");
      fail();
    }

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//    assertEquals("hello",rpr.read(ctx, t, "property").getValue());
//    assertEquals("hello",rpr.read(ctx, t, "property").getValue()); // cached accessor used


    PropertyAccessor optA = rpr.createOptimalAccessor(ctx, t, "property");
    assertTrue(optA.canRead(ctx, t, "property"));
    assertFalse(optA.canRead(ctx, t, "property2"));
    try {
      optA.canWrite(ctx, t, "property");
      fail();
    }
    catch (UnsupportedOperationException uoe) {

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    catch (UnsupportedOperationException uoe) {
      // success
    }


    optA = rpr.createOptimalAccessor(ctx, t, "field");
    assertTrue(optA.canRead(ctx, t, "field"));
    assertFalse(optA.canRead(ctx, t, "field2"));
    try {
      optA.canWrite(ctx, t, "field");
      fail();
    }

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      // success
    }


    optA = rpr.createOptimalAccessor(ctx, t, "field");
    assertTrue(optA.canRead(ctx, t, "field"));
    assertFalse(optA.canRead(ctx, t, "field2"));
    try {
      optA.canWrite(ctx, t, "field");
      fail();
    }
    catch (UnsupportedOperationException uoe) {

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