Java GenericConversionService类代码示例

import org.springframework.core.convert.support.GenericConversionService; //导入依赖的package包/类
private static GenericConversionService safeConversionService() {
    final GenericConversionService converter = new GenericConversionService();
    converter.addConverter(Object.class, byte[].class, new SerializingConverter());

    final DeserializingConverter byteConverter = new DeserializingConverter();
    converter.addConverter(byte[].class, Object.class, (byte[] bytes) -> {
        try {
            return byteConverter.convert(bytes);
        } catch (SerializationFailedException e) {
            LOG.error("Could not extract attribute: {}", e.getMessage());
            return null;
        }
    });

    return converter;
}
 

import org.springframework.core.convert.support.GenericConversionService; //导入依赖的package包/类
private static void addDateConverters(GenericConversionService conversionService) {

		conversionService.addConverter(Date.class, String.class, new Converter<Date, String>() {
			@Override
			public String convert(Date dateVal) {
				return ValueConversionUtil.dateToIsoString(dateVal);
			}
		});
		conversionService.addConverter(String.class, Date.class, blankConverter(new Converter<String, Date>() {
			@Override
			public Date convert(String stringVal) {
				return ValueConversionUtil.isoStringToDate(stringVal);
			}
		}));

	}
 

import org.springframework.core.convert.support.GenericConversionService; //导入依赖的package包/类
@Test
public void customConversion() throws Exception {
	DefaultMessageHandlerMethodFactory instance = createInstance();
	GenericConversionService conversionService = new GenericConversionService();
	conversionService.addConverter(SampleBean.class, String.class, new Converter<SampleBean, String>() {
		@Override
		public String convert(SampleBean source) {
			return "foo bar";
		}
	});
	instance.setConversionService(conversionService);
	instance.afterPropertiesSet();

	InvocableHandlerMethod invocableHandlerMethod =
			createInvocableHandlerMethod(instance, "simpleString", String.class);

	invocableHandlerMethod.invoke(MessageBuilder.withPayload(sample).build());
	assertMethodInvocation(sample, "simpleString");
}
 

import org.springframework.core.convert.support.GenericConversionService; //导入依赖的package包/类
@Test
@Deprecated
public void test() throws Exception {
	AnnotationMethodHandlerAdapter adapter = new AnnotationMethodHandlerAdapter();
	ConfigurableWebBindingInitializer binder = new ConfigurableWebBindingInitializer();
	GenericConversionService service = new DefaultConversionService();
	service.addConverter(new ColorConverter());
	binder.setConversionService(service);
	adapter.setWebBindingInitializer(binder);
	Spr7766Controller controller = new Spr7766Controller();
	MockHttpServletRequest request = new MockHttpServletRequest();
	request.setRequestURI("/colors");
	request.setPathInfo("/colors");
	request.addParameter("colors", "#ffffff,000000");
	MockHttpServletResponse response = new MockHttpServletResponse();
	adapter.handle(request, response, controller);
}
 

import org.springframework.core.convert.support.GenericConversionService; //导入依赖的package包/类
@Test
public void testConvertAndHandleNull() { // SPR-9445
	// without null conversion
	evaluateAndCheckError("null or true", SpelMessage.TYPE_CONVERSION_ERROR, 0, "null", "boolean");
	evaluateAndCheckError("null and true", SpelMessage.TYPE_CONVERSION_ERROR, 0, "null", "boolean");
	evaluateAndCheckError("!null", SpelMessage.TYPE_CONVERSION_ERROR, 1, "null", "boolean");
	evaluateAndCheckError("null ? 'foo' : 'bar'", SpelMessage.TYPE_CONVERSION_ERROR, 0, "null", "boolean");

	// with null conversion (null -> false)
	GenericConversionService conversionService = new GenericConversionService() {
		@Override
		protected Object convertNullSource(TypeDescriptor sourceType, TypeDescriptor targetType) {
			return targetType.getType() == Boolean.class ? false : null;
		}
	};
	eContext.setTypeConverter(new StandardTypeConverter(conversionService));

	evaluate("null or true", Boolean.TRUE, Boolean.class, false);
	evaluate("null and true", Boolean.FALSE, Boolean.class, false);
	evaluate("!null", Boolean.TRUE, Boolean.class, false);
	evaluate("null ? 'foo' : 'bar'", "bar", String.class, false);
}
 

import org.springframework.core.convert.support.GenericConversionService; //导入依赖的package包/类
@Test
public void testCustomConverter() {
	DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
	GenericConversionService conversionService = new DefaultConversionService();
	conversionService.addConverter(new Converter<String, Float>() {
		@Override
		public Float convert(String source) {
			try {
				NumberFormat nf = NumberFormat.getInstance(Locale.GERMAN);
				return nf.parse(source).floatValue();
			}
			catch (ParseException ex) {
				throw new IllegalArgumentException(ex);
			}
		}
	});
	lbf.setConversionService(conversionService);
	MutablePropertyValues pvs = new MutablePropertyValues();
	pvs.add("myFloat", "1,1");
	RootBeanDefinition bd = new RootBeanDefinition(TestBean.class);
	bd.setPropertyValues(pvs);
	lbf.registerBeanDefinition("testBean", bd);
	TestBean testBean = (TestBean) lbf.getBean("testBean");
	assertTrue(testBean.getMyFloat().floatValue() == 1.1f);
}
 

import org.springframework.core.convert.support.GenericConversionService; //导入依赖的package包/类
@Test
public void noDelegateMapConversion() {
	GenericConversionService conversionService = new GenericConversionService();
	GenericMapConverter mapConverter = new GenericMapConverter(conversionService);
	conversionService.addConverter(mapConverter);

	@SuppressWarnings("unchecked")
	Map<String, String> result = conversionService.convert("foo = bar, wizz = jogg", Map.class);
	assertThat(result, hasEntry("foo", "bar"));
	assertThat(result, hasEntry("wizz", "jogg"));

	assertThat(
			conversionService.canConvert(TypeDescriptor.valueOf(String.class), TypeDescriptor.map(Map.class,
					TypeDescriptor.valueOf(GenericMapConverterTests.class), TypeDescriptor.valueOf(Integer.class))),
			is(false));
}
 

import org.springframework.core.convert.support.GenericConversionService; //导入依赖的package包/类
/**
 * Register custom converters within given {@link org.springframework.core.convert.support.GenericConversionService}
 *
 * @param conversionService must not be null
 */
public void registerConvertersIn(GenericConversionService conversionService) {
	Assert.notNull(conversionService);

	for (Object converter : converters) {
		if (converter instanceof Converter) {
			conversionService.addConverter((Converter<?, ?>) converter);
		} else if (converter instanceof ConverterFactory) {
			conversionService.addConverterFactory((ConverterFactory<?, ?>) converter);
		} else if (converter instanceof GenericConverter) {
			conversionService.addConverter((GenericConverter) converter);
		} else {
			throw new IllegalArgumentException("Given object '" + converter
					+ "' expected to be a Converter, ConverterFactory or GenericeConverter!");
		}
	}
}
 

import org.springframework.core.convert.support.GenericConversionService; //导入依赖的package包/类
@SuppressWarnings("resource")
@Before
public void setup() throws Exception {
	DefaultListableBeanFactory dlbf = new DefaultListableBeanFactory();
	dlbf.registerSingleton("mvcValidator", testValidator());
	GenericApplicationContext ctx = new GenericApplicationContext(dlbf);
	ctx.refresh();
	this.resolver = new PayloadArgumentResolver(ctx, new MethodParameterConverter(
			new ObjectMapper(), new GenericConversionService()));
	this.payloadMethod = getClass().getDeclaredMethod("handleMessage", String.class,
			String.class, String.class, String.class, String.class, String.class,
			String.class, Integer.class);

	this.paramAnnotated = getMethodParameter(this.payloadMethod, 0);
	this.paramAnnotatedNotRequired = getMethodParameter(this.payloadMethod, 1);
	this.paramAnnotatedRequired = getMethodParameter(this.payloadMethod, 2);
	this.paramWithSpelExpression = getMethodParameter(this.payloadMethod, 3);
	this.paramValidated = getMethodParameter(this.payloadMethod, 4);
	this.paramValidated.initParameterNameDiscovery(
			new LocalVariableTableParameterNameDiscoverer());
	this.paramValidatedNotAnnotated = getMethodParameter(this.payloadMethod, 5);
	this.paramNotAnnotated = getMethodParameter(this.payloadMethod, 6);
}
 

import org.springframework.core.convert.support.GenericConversionService; //导入依赖的package包/类
/**
 * Populates the given {@link GenericConversionService} with the converters registered.
 *
 * @param conversionService the service to register.
 */
public void registerConvertersIn(final GenericConversionService conversionService) {
  for (Object converter : converters) {
    boolean added = false;

    if (converter instanceof Converter) {
      conversionService.addConverter((Converter<?, ?>) converter);
      added = true;
    }

    if (converter instanceof ConverterFactory) {
      conversionService.addConverterFactory((ConverterFactory<?, ?>) converter);
      added = true;
    }

    if (converter instanceof GenericConverter) {
      conversionService.addConverter((GenericConverter) converter);
      added = true;
    }

    if (!added) {
      throw new IllegalArgumentException("Given set contains element that is neither Converter nor ConverterFactory!");
    }
  }
}
 

import org.springframework.core.convert.support.GenericConversionService; //导入依赖的package包/类
/**
 * Register custom converters within given {@link GenericConversionService}
 * 
 * @param conversionService must not be null
 */
public void registerConvertersIn(GenericConversionService conversionService) {
	Assert.notNull(conversionService);

	for (Object converter : converters) {
		if (converter instanceof Converter) {
			conversionService.addConverter((Converter<?, ?>) converter);
		} else if (converter instanceof ConverterFactory) {
			conversionService.addConverterFactory((ConverterFactory<?, ?>) converter);
		} else if (converter instanceof GenericConverter) {
			conversionService.addConverter((GenericConverter) converter);
		} else {
			throw new IllegalArgumentException("Given object '" + converter
					+ "' expected to be a Converter, ConverterFactory or GenericeConverter!");
		}
	}
}
 

import org.springframework.core.convert.support.GenericConversionService; //导入依赖的package包/类
/**
 * Sets up the bean post processor and conversion service
 *
 * @param beans - The bean factory for the the dictionary beans
 */
public static void setupProcessor(DefaultListableBeanFactory beans) {
    try {
        // UIF post processor that sets component ids
        BeanPostProcessor idPostProcessor = ComponentBeanPostProcessor.class.newInstance();
        beans.addBeanPostProcessor(idPostProcessor);
        beans.setBeanExpressionResolver(new StandardBeanExpressionResolver() {
            @Override
            protected void customizeEvaluationContext(StandardEvaluationContext evalContext) {
                try {
                    evalContext.registerFunction("getService", ExpressionFunctions.class.getDeclaredMethod("getService", new Class[]{String.class}));
                } catch(NoSuchMethodException me) {
                    LOG.error("Unable to register custom expression to data dictionary bean factory", me);
                }
            }
        });

        // special converters for shorthand map and list property syntax
        GenericConversionService conversionService = new GenericConversionService();
        conversionService.addConverter(new StringMapConverter());
        conversionService.addConverter(new StringListConverter());

        beans.setConversionService(conversionService);
    } catch (Exception e1) {
        throw new DataDictionaryException("Cannot create component decorator post processor: " + e1.getMessage(),
                e1);
    }
}
 

import org.springframework.core.convert.support.GenericConversionService; //导入依赖的package包/类
/**
 * Sets up the bean post processor and conversion service
 *
 * @param beans - The bean factory for the the dictionary beans
 */
public static void setupProcessor(KualiDefaultListableBeanFactory beans) {
    try {
        // UIF post processor that sets component ids
        BeanPostProcessor idPostProcessor = ComponentBeanPostProcessor.class.newInstance();
        beans.addBeanPostProcessor(idPostProcessor);
        beans.setBeanExpressionResolver(new StandardBeanExpressionResolver());

        // special converters for shorthand map and list property syntax
        GenericConversionService conversionService = new GenericConversionService();
        conversionService.addConverter(new StringMapConverter());
        conversionService.addConverter(new StringListConverter());

        beans.setConversionService(conversionService);
    } catch (Exception e1) {
        throw new DataDictionaryException("Cannot create component decorator post processor: " + e1.getMessage(),
                e1);
    }
}
 

import org.springframework.core.convert.support.GenericConversionService; //导入依赖的package包/类
protected GenericConversionService getConversionService(Workbook workbook,
		Map<String, Map<String, GenericEntity<Long, ?>>> idsMapping) {
	GenericConversionService service = new GenericConversionService();

	GenericEntityConverter genericEntityConverter = new GenericEntityConverter(importDataDao, workbook,
			new HashMap<Class<?>, Class<?>>(0), idsMapping);
	genericEntityConverter.setConversionService(service);
	service.addConverter(genericEntityConverter);

	service.addConverter(new ProjectConverter());
	service.addConverter(new ArtifactConverter());
	service.addConverter(new ExternalLinkWrapperConverter());

	DefaultConversionService.addDefaultConverters(service);

	return service;
}
 

import org.springframework.core.convert.support.GenericConversionService; //导入依赖的package包/类
@Before
public void setUp() throws NoSuchFieldException {
	GenericConversionService genericConversionService = new GenericConversionService();

	genericConversionService.addConverter(new Converter<String, Integer>() {
		@Override
		public Integer convert(String source) {
			if (0 == source.length()) {
				return null;
			}
			return NumberUtils.parseNumber(source, Integer.class);
		}
	});

	Mockito.when(conversionServiceFactoryBean.getObject()).thenReturn(genericConversionService);

	mockCartEntry();
	mockProduct();
}