@Test
public void testBindingNoErrorsNotIgnoreUnknown() {
	TestBean rod = new TestBean();
	DataBinder binder = new DataBinder(rod, "person");
	binder.setIgnoreUnknownFields(false);
	MutablePropertyValues pvs = new MutablePropertyValues();
	pvs.add("name", "Rod");
	pvs.add("age", 32);
	pvs.add("nonExisting", "someValue");

	try {
		binder.bind(pvs);
		fail("Should have thrown NotWritablePropertyException");
	}
	catch (NotWritablePropertyException ex) {
		// expected
	}
}
 

@Test
public void testBindingWithSystemFieldError() {
	TestBean rod = new TestBean();
	DataBinder binder = new DataBinder(rod, "person");
	MutablePropertyValues pvs = new MutablePropertyValues();
	pvs.add("class.classLoader.URLs[0]", "https://myserver");
	binder.setIgnoreUnknownFields(false);

	try {
		binder.bind(pvs);
		fail("Should have thrown NotWritablePropertyException");
	}
	catch (NotWritablePropertyException ex) {
		assertTrue(ex.getMessage().contains("classLoader"));
	}
}
 

@Test
public void bindingNoErrorsNotIgnoreUnknown() throws Exception {
	FieldAccessBean rod = new FieldAccessBean();
	DataBinder binder = new DataBinder(rod, "person");
	binder.initDirectFieldAccess();
	binder.setIgnoreUnknownFields(false);
	MutablePropertyValues pvs = new MutablePropertyValues();
	pvs.addPropertyValue(new PropertyValue("name", "Rod"));
	pvs.addPropertyValue(new PropertyValue("age", new Integer(32)));
	pvs.addPropertyValue(new PropertyValue("nonExisting", "someValue"));

	try {
		binder.bind(pvs);
		fail("Should have thrown NotWritablePropertyException");
	}
	catch (NotWritablePropertyException ex) {
		// expected
	}
}
 

@Test
public void testPossibleMatches() {
	try {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.add("ag", "foobar");
		RootBeanDefinition bd = new RootBeanDefinition(TestBean.class);
		bd.setPropertyValues(pvs);
		lbf.registerBeanDefinition("tb", bd);
		lbf.getBean("tb");
		fail("Should throw exception on invalid property");
	}
	catch (BeanCreationException ex) {
		assertTrue(ex.getCause() instanceof NotWritablePropertyException);
		NotWritablePropertyException cause = (NotWritablePropertyException) ex.getCause();
		// expected
		assertEquals(1, cause.getPossibleMatches().length);
		assertEquals("age", cause.getPossibleMatches()[0]);
	}
}
 

@Test
public void testBindingNoErrorsNotIgnoreUnknown() {
	TestBean rod = new TestBean();
	DataBinder binder = new DataBinder(rod, "person");
	binder.setIgnoreUnknownFields(false);
	MutablePropertyValues pvs = new MutablePropertyValues();
	pvs.add("name", "Rod");
	pvs.add("age", 32);
	pvs.add("nonExisting", "someValue");

	try {
		binder.bind(pvs);
		fail("Should have thrown NotWritablePropertyException");
	}
	catch (NotWritablePropertyException ex) {
		// expected
	}
}
 

@Test
public void testBindingWithSystemFieldError() {
	TestBean rod = new TestBean();
	DataBinder binder = new DataBinder(rod, "person");
	MutablePropertyValues pvs = new MutablePropertyValues();
	pvs.add("class.classLoader.URLs[0]", "http://myserver");
	binder.setIgnoreUnknownFields(false);

	try {
		binder.bind(pvs);
		fail("Should have thrown NotWritablePropertyException");
	}
	catch (NotWritablePropertyException ex) {
		assertTrue(ex.getMessage().contains("classLoader"));
	}
}
 

@Test
public void bindingNoErrorsNotIgnoreUnknown() throws Exception {
	FieldAccessBean rod = new FieldAccessBean();
	DataBinder binder = new DataBinder(rod, "person");
	binder.initDirectFieldAccess();
	binder.setIgnoreUnknownFields(false);
	MutablePropertyValues pvs = new MutablePropertyValues();
	pvs.addPropertyValue(new PropertyValue("name", "Rod"));
	pvs.addPropertyValue(new PropertyValue("age", new Integer(32)));
	pvs.addPropertyValue(new PropertyValue("nonExisting", "someValue"));

	try {
		binder.bind(pvs);
		fail("Should have thrown NotWritablePropertyException");
	}
	catch (NotWritablePropertyException ex) {
		// expected
	}
}
 

@Test
public void testPossibleMatches() {
	try {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.add("ag", "foobar");
		RootBeanDefinition bd = new RootBeanDefinition(TestBean.class);
		bd.setPropertyValues(pvs);
		lbf.registerBeanDefinition("tb", bd);
		lbf.getBean("tb");
		fail("Should throw exception on invalid property");
	}
	catch (BeanCreationException ex) {
		assertTrue(ex.getCause() instanceof NotWritablePropertyException);
		NotWritablePropertyException cause = (NotWritablePropertyException) ex.getCause();
		// expected
		assertEquals(1, cause.getPossibleMatches().length);
		assertEquals("age", cause.getPossibleMatches()[0]);
	}
}
 

@Test
public void testBindingNoErrorsNotIgnoreUnknown() throws Exception {
	TestBean rod = new TestBean();
	DataBinder binder = new DataBinder(rod, "person");
	binder.setIgnoreUnknownFields(false);
	MutablePropertyValues pvs = new MutablePropertyValues();
	pvs.add("name", "Rod");
	pvs.add("age", 32);
	pvs.add("nonExisting", "someValue");

	try {
		binder.bind(pvs);
		fail("Should have thrown NotWritablePropertyException");
	}
	catch (NotWritablePropertyException ex) {
		// expected
	}
}
 

@Test
public void testBindingWithSystemFieldError() throws Exception {
	TestBean rod = new TestBean();
	DataBinder binder = new DataBinder(rod, "person");
	MutablePropertyValues pvs = new MutablePropertyValues();
	pvs.add("class.classLoader.URLs[0]", "http://myserver");
	binder.setIgnoreUnknownFields(false);

	try {
		binder.bind(pvs);
		fail("Should have thrown NotWritablePropertyException");
	}
	catch (NotWritablePropertyException ex) {
		assertTrue(ex.getMessage().contains("classLoader"));
	}
}
 

@Test
public void bindingNoErrorsNotIgnoreUnknown() throws Exception {
	FieldAccessBean rod = new FieldAccessBean();
	DataBinder binder = new DataBinder(rod, "person");
	binder.initDirectFieldAccess();
	binder.setIgnoreUnknownFields(false);
	MutablePropertyValues pvs = new MutablePropertyValues();
	pvs.addPropertyValue(new PropertyValue("name", "Rod"));
	pvs.addPropertyValue(new PropertyValue("age", new Integer(32)));
	pvs.addPropertyValue(new PropertyValue("nonExisting", "someValue"));

	try {
		binder.bind(pvs);
		fail("Should have thrown NotWritablePropertyException");
	}
	catch (NotWritablePropertyException ex) {
		// expected
	}
}
 

@Test
public void testPossibleMatches() {
	try {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.add("ag", "foobar");
		RootBeanDefinition bd = new RootBeanDefinition(TestBean.class);
		bd.setPropertyValues(pvs);
		lbf.registerBeanDefinition("tb", bd);
		lbf.getBean("tb");
		fail("Should throw exception on invalid property");
	}
	catch (BeanCreationException ex) {
		assertTrue(ex.getCause() instanceof NotWritablePropertyException);
		NotWritablePropertyException cause = (NotWritablePropertyException) ex.getCause();
		// expected
		assertEquals(1, cause.getPossibleMatches().length);
		assertEquals("age", cause.getPossibleMatches()[0]);
	}
}
 

/**
 * Extract the values for all columns in the current row.
 * <p>Utilizes public setters and result set metadata.
 * @see java.sql.ResultSetMetaData
 */
@Override
public T mapRow(ResultSet rs, int rowNumber) throws SQLException {
	Assert.state(this.mappedClass != null, "Mapped class was not specified");
	T mappedObject = BeanUtils.instantiate(this.mappedClass);
	BeanWrapper bw = PropertyAccessorFactory.forBeanPropertyAccess(mappedObject);
	initBeanWrapper(bw);

	ResultSetMetaData rsmd = rs.getMetaData();
	int columnCount = rsmd.getColumnCount();
	Set<String> populatedProperties = (isCheckFullyPopulated() ? new HashSet<String>() : null);

	for (int index = 1; index <= columnCount; index++) {
		String column = JdbcUtils.lookupColumnName(rsmd, index);
		PropertyDescriptor pd = this.mappedFields.get(column.replaceAll(" ", "").toLowerCase());
		if (pd != null) {
			try {
				Object value = getColumnValue(rs, index, pd);
				if (logger.isDebugEnabled() && rowNumber == 0) {
					logger.debug("Mapping column '" + column + "' to property '" +
							pd.getName() + "' of type " + pd.getPropertyType());
				}
				try {
					bw.setPropertyValue(pd.getName(), value);
				}
				catch (TypeMismatchException e) {
					if (value == null && primitivesDefaultedForNullValue) {
						logger.debug("Intercepted TypeMismatchException for row " + rowNumber +
								" and column '" + column + "' with value " + value +
								" when setting property '" + pd.getName() + "' of type " + pd.getPropertyType() +
								" on object: " + mappedObject);
					}
					else {
						throw e;
					}
				}
				if (populatedProperties != null) {
					populatedProperties.add(pd.getName());
				}
			}
			catch (NotWritablePropertyException ex) {
				throw new DataRetrievalFailureException(
						"Unable to map column " + column + " to property " + pd.getName(), ex);
			}
		}
	}

	if (populatedProperties != null && !populatedProperties.equals(this.mappedProperties)) {
		throw new InvalidDataAccessApiUsageException("Given ResultSet does not contain all fields " +
				"necessary to populate object of class [" + this.mappedClass + "]: " + this.mappedProperties);
	}

	return mappedObject;
}