import org.springframework.format.FormatterRegistrar; //导入依赖的package包/类
private void registerFormatters() {
	if (this.formatters != null) {
		for (Object formatter : this.formatters) {
			if (formatter instanceof Formatter<?>) {
				this.conversionService.addFormatter((Formatter<?>) formatter);
			}
			else if (formatter instanceof AnnotationFormatterFactory<?>) {
				this.conversionService.addFormatterForFieldAnnotation((AnnotationFormatterFactory<?>) formatter);
			}
			else {
				throw new IllegalArgumentException(
						"Custom formatters must be implementations of Formatter or AnnotationFormatterFactory");
			}
		}
	}
	if (this.formatterRegistrars != null) {
		for (FormatterRegistrar registrar : this.formatterRegistrars) {
			registrar.registerFormatters(this.conversionService);
		}
	}
	installFormatters(this.conversionService);
}
 

import org.springframework.format.FormatterRegistrar; //导入依赖的package包/类
private void registerFormatters() {
	if (this.formatters != null) {
		for (Object formatter : this.formatters) {
			if (formatter instanceof Formatter<?>) {
				this.conversionService.addFormatter((Formatter<?>) formatter);
			}
			else if (formatter instanceof AnnotationFormatterFactory<?>) {
				this.conversionService.addFormatterForFieldAnnotation((AnnotationFormatterFactory<?>) formatter);
			}
			else {
				throw new IllegalArgumentException(
						"Custom formatters must be implementations of Formatter or AnnotationFormatterFactory");
			}
		}
	}
	if (this.formatterRegistrars != null) {
		for (FormatterRegistrar registrar : this.formatterRegistrars) {
			registrar.registerFormatters(this.conversionService);
		}
	}
}
 

import org.springframework.format.FormatterRegistrar; //导入依赖的package包/类
private void registerFormatters() {
	if (this.formatters != null) {
		for (Object formatter : this.formatters) {
			if (formatter instanceof Formatter<?>) {
				this.conversionService
						.addFormatter((Formatter<?>) formatter);
			} else if (formatter instanceof AnnotationFormatterFactory<?>) {
				this.conversionService
						.addFormatterForFieldAnnotation((AnnotationFormatterFactory<?>) formatter);
			} else {
				throw new IllegalArgumentException(
						"Custom formatters must be implementations of Formatter or AnnotationFormatterFactory");
			}
		}
	}
	if (this.formatterRegistrars != null) {
		for (FormatterRegistrar registrar : this.formatterRegistrars) {
			registrar.registerFormatters(this.conversionService);
		}
	}
	installFormatters(this.conversionService);
}
 

import org.springframework.format.FormatterRegistrar; //导入依赖的package包/类
@Test
public void testFormatterRegistrar() throws Exception {
	FormattingConversionServiceFactoryBean factory = new FormattingConversionServiceFactoryBean();
	Set<FormatterRegistrar> registrars = new HashSet<FormatterRegistrar>();
	registrars.add(new TestFormatterRegistrar());
	factory.setFormatterRegistrars(registrars);
	factory.afterPropertiesSet();
	FormattingConversionService fcs = factory.getObject();

	TestBean testBean = fcs.convert("5", TestBean.class);
	assertEquals(5, testBean.getSpecialInt());
	assertEquals("5", fcs.convert(testBean, String.class));
}
 

import org.springframework.format.FormatterRegistrar; //导入依赖的package包/类
@Bean
FormattingConversionServiceFactoryBean conversionService() {
  FormattingConversionServiceFactoryBean bean = new FormattingConversionServiceFactoryBean();
  Set<FormatterRegistrar> set = new HashSet<FormatterRegistrar>();
  JodaTimeFormatterRegistrar registrar = new JodaTimeFormatterRegistrar();
  registrar.setUseIsoFormat(true);
  set.add(registrar);
  bean.setFormatterRegistrars(set);
  return bean;
}
 

import org.springframework.format.FormatterRegistrar; //导入依赖的package包/类
@Override
public void registerFormatters(FormatterRegistry registry) {
	for (Object f : formatters) {
		if (f instanceof FormatterRegistrar) {
			FormatterRegistrar registrar = (FormatterRegistrar) f;
			registrar.registerFormatters(registry);
		}
		if (f instanceof AnnotationFormatterFactory) {
			AnnotationFormatterFactory<?> factory = (AnnotationFormatterFactory<?>) f;
			registry.addFormatterForFieldAnnotation(factory);
		}
	}
}
 

import org.springframework.format.FormatterRegistrar; //导入依赖的package包/类
/**
 * <p>Configure the set of FormatterRegistrars to invoke to register
 * Converters and Formatters in addition to those added declaratively
 * via {@link #setConverters(Set)} and {@link #setFormatters(Set)}.
 * <p>FormatterRegistrars are useful when registering multiple related
 * converters and formatters for a formatting category, such as Date
 * formatting. All types related needed to support the formatting
 * category can be registered from one place.
 * <p>FormatterRegistrars can also be used to register Formatters
 * indexed under a specific field type different from its own &lt;T&gt;,
 * or when registering a Formatter from a Printer/Parser pair.
 * @see FormatterRegistry#addFormatterForFieldType(Class, Formatter)
 * @see FormatterRegistry#addFormatterForFieldType(Class, Printer, Parser)
 */
public void setFormatterRegistrars(Set<FormatterRegistrar> formatterRegistrars) {
	this.formatterRegistrars = formatterRegistrars;
}
 

import org.springframework.format.FormatterRegistrar; //导入依赖的package包/类
/**
 * <p>
 * Configure the set of FormatterRegistrars to invoke to register Converters
 * and Formatters in addition to those added declaratively via
 * {@link #setConverters(Set)} and {@link #setFormatters(Set)}.
 * <p>
 * FormatterRegistrars are useful when registering multiple related
 * converters and formatters for a formatting category, such as Date
 * formatting. All types related needed to support the formatting category
 * can be registered from one place.
 * <p>
 * FormatterRegistrars can also be used to register Formatters indexed under
 * a specific field type different from its own &lt;T&gt;, or when
 * registering a Formatter from a Printer/Parser pair.
 * 
 * @see FormatterRegistry#addFormatterForFieldType(Class, Formatter)
 * @see FormatterRegistry#addFormatterForFieldType(Class, Printer, Parser)
 */
public void setFormatterRegistrars(
		Set<FormatterRegistrar> formatterRegistrars) {
	this.formatterRegistrars = formatterRegistrars;
}