下面列出了org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor#org.springframework.messaging.converter.ByteArrayMessageConverter 实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。
@Test
public void configureMessageConvertersCustomAndDefault() {
final MessageConverter testConverter = mock(MessageConverter.class);
AbstractMessageBrokerConfiguration config = new BaseTestMessageBrokerConfig() {
@Override
protected boolean configureMessageConverters(List<MessageConverter> messageConverters) {
messageConverters.add(testConverter);
return true;
}
};
CompositeMessageConverter compositeConverter = config.brokerMessageConverter();
assertThat(compositeConverter.getConverters().size(), Matchers.is(4));
Iterator<MessageConverter> iterator = compositeConverter.getConverters().iterator();
assertThat(iterator.next(), Matchers.is(testConverter));
assertThat(iterator.next(), Matchers.instanceOf(StringMessageConverter.class));
assertThat(iterator.next(), Matchers.instanceOf(ByteArrayMessageConverter.class));
assertThat(iterator.next(), Matchers.instanceOf(MappingJackson2MessageConverter.class));
}
/**
* Create an instance of SimpAnnotationMethodMessageHandler with the given
* message channels and broker messaging template.
* @param clientInboundChannel the channel for receiving messages from clients (e.g. WebSocket clients)
* @param clientOutboundChannel the channel for messages to clients (e.g. WebSocket clients)
* @param brokerTemplate a messaging template to send application messages to the broker
*/
public SimpAnnotationMethodMessageHandler(SubscribableChannel clientInboundChannel,
MessageChannel clientOutboundChannel, SimpMessageSendingOperations brokerTemplate) {
Assert.notNull(clientInboundChannel, "clientInboundChannel must not be null");
Assert.notNull(clientOutboundChannel, "clientOutboundChannel must not be null");
Assert.notNull(brokerTemplate, "brokerTemplate must not be null");
this.clientInboundChannel = clientInboundChannel;
this.clientMessagingTemplate = new SimpMessagingTemplate(clientOutboundChannel);
this.brokerTemplate = brokerTemplate;
Collection<MessageConverter> converters = new ArrayList<>();
converters.add(new StringMessageConverter());
converters.add(new ByteArrayMessageConverter());
this.messageConverter = new CompositeMessageConverter(converters);
}
@Test
public void configureMessageConvertersCustomAndDefault() {
final MessageConverter testConverter = mock(MessageConverter.class);
AbstractMessageBrokerConfiguration config = new BaseTestMessageBrokerConfig() {
@Override
protected boolean configureMessageConverters(List<MessageConverter> messageConverters) {
messageConverters.add(testConverter);
return true;
}
};
CompositeMessageConverter compositeConverter = config.brokerMessageConverter();
assertThat(compositeConverter.getConverters().size(), Matchers.is(4));
Iterator<MessageConverter> iterator = compositeConverter.getConverters().iterator();
assertThat(iterator.next(), Matchers.is(testConverter));
assertThat(iterator.next(), Matchers.instanceOf(StringMessageConverter.class));
assertThat(iterator.next(), Matchers.instanceOf(ByteArrayMessageConverter.class));
assertThat(iterator.next(), Matchers.instanceOf(MappingJackson2MessageConverter.class));
}
public RocketMQMessageConverter() {
List<MessageConverter> messageConverters = new ArrayList<>();
ByteArrayMessageConverter byteArrayMessageConverter = new ByteArrayMessageConverter();
byteArrayMessageConverter.setContentTypeResolver(null);
messageConverters.add(byteArrayMessageConverter);
messageConverters.add(new StringMessageConverter());
if (JACKSON_PRESENT) {
messageConverters.add(new MappingJackson2MessageConverter());
}
if (FASTJSON_PRESENT) {
try {
messageConverters.add(
(MessageConverter)ClassUtils.forName(
"com.alibaba.fastjson.support.spring.messaging.MappingFastJsonMessageConverter",
ClassUtils.getDefaultClassLoader()).newInstance());
} catch (ClassNotFoundException | IllegalAccessException | InstantiationException ignored) {
//ignore this exception
}
}
messageConverter = new CompositeMessageConverter(messageConverters);
}
/**
* Create an instance of SimpAnnotationMethodMessageHandler with the given
* message channels and broker messaging template.
* @param clientInboundChannel the channel for receiving messages from clients (e.g. WebSocket clients)
* @param clientOutboundChannel the channel for messages to clients (e.g. WebSocket clients)
* @param brokerTemplate a messaging template to send application messages to the broker
*/
public SimpAnnotationMethodMessageHandler(SubscribableChannel clientInboundChannel,
MessageChannel clientOutboundChannel, SimpMessageSendingOperations brokerTemplate) {
Assert.notNull(clientInboundChannel, "clientInboundChannel must not be null");
Assert.notNull(clientOutboundChannel, "clientOutboundChannel must not be null");
Assert.notNull(brokerTemplate, "brokerTemplate must not be null");
this.clientInboundChannel = clientInboundChannel;
this.clientMessagingTemplate = new SimpMessagingTemplate(clientOutboundChannel);
this.brokerTemplate = brokerTemplate;
Collection<MessageConverter> converters = new ArrayList<MessageConverter>();
converters.add(new StringMessageConverter());
converters.add(new ByteArrayMessageConverter());
this.messageConverter = new CompositeMessageConverter(converters);
}
@Test
public void configureMessageConvertersCustomAndDefault() {
final MessageConverter testConverter = mock(MessageConverter.class);
AbstractMessageBrokerConfiguration config = new BaseTestMessageBrokerConfig() {
@Override
protected boolean configureMessageConverters(List<MessageConverter> messageConverters) {
messageConverters.add(testConverter);
return true;
}
};
CompositeMessageConverter compositeConverter = config.brokerMessageConverter();
assertThat(compositeConverter.getConverters().size(), Matchers.is(4));
Iterator<MessageConverter> iterator = compositeConverter.getConverters().iterator();
assertThat(iterator.next(), Matchers.is(testConverter));
assertThat(iterator.next(), Matchers.instanceOf(StringMessageConverter.class));
assertThat(iterator.next(), Matchers.instanceOf(ByteArrayMessageConverter.class));
assertThat(iterator.next(), Matchers.instanceOf(MappingJackson2MessageConverter.class));
}
private void initDefaultConverters() {
ApplicationJsonMessageMarshallingConverter applicationJsonConverter = new ApplicationJsonMessageMarshallingConverter(
this.objectMapper);
applicationJsonConverter.setStrictContentTypeMatch(true);
this.converters.add(applicationJsonConverter);
this.converters.add(new ByteArrayMessageConverter() {
@Override
protected boolean supports(Class<?> clazz) {
if (!super.supports(clazz)) {
return (Object.class == clazz);
}
return true;
}
});
this.converters.add(new ObjectStringMessageConverter());
}
/**
* Create an instance of SimpAnnotationMethodMessageHandler with the given
* message channels and broker messaging template.
* @param clientInboundChannel the channel for receiving messages from clients (e.g. WebSocket clients)
* @param clientOutboundChannel the channel for messages to clients (e.g. WebSocket clients)
* @param brokerTemplate a messaging template to send application messages to the broker
*/
public SimpAnnotationMethodMessageHandler(SubscribableChannel clientInboundChannel,
MessageChannel clientOutboundChannel, SimpMessageSendingOperations brokerTemplate) {
Assert.notNull(clientInboundChannel, "clientInboundChannel must not be null");
Assert.notNull(clientOutboundChannel, "clientOutboundChannel must not be null");
Assert.notNull(brokerTemplate, "brokerTemplate must not be null");
this.clientInboundChannel = clientInboundChannel;
this.clientMessagingTemplate = new SimpMessagingTemplate(clientOutboundChannel);
this.brokerTemplate = brokerTemplate;
Collection<MessageConverter> converters = new ArrayList<>();
converters.add(new StringMessageConverter());
converters.add(new ByteArrayMessageConverter());
this.messageConverter = new CompositeMessageConverter(converters);
}
@Bean
public CompositeMessageConverter brokerMessageConverter() {
List<MessageConverter> converters = new ArrayList<>();
boolean registerDefaults = configureMessageConverters(converters);
if (registerDefaults) {
converters.add(new StringMessageConverter());
converters.add(new ByteArrayMessageConverter());
if (jackson2Present) {
converters.add(createJacksonConverter());
}
}
return new CompositeMessageConverter(converters);
}
@Test
public void configureMessageConvertersDefault() {
AbstractMessageBrokerConfiguration config = new BaseTestMessageBrokerConfig();
CompositeMessageConverter compositeConverter = config.brokerMessageConverter();
List<MessageConverter> converters = compositeConverter.getConverters();
assertThat(converters.size(), Matchers.is(3));
assertThat(converters.get(0), Matchers.instanceOf(StringMessageConverter.class));
assertThat(converters.get(1), Matchers.instanceOf(ByteArrayMessageConverter.class));
assertThat(converters.get(2), Matchers.instanceOf(MappingJackson2MessageConverter.class));
ContentTypeResolver resolver = ((MappingJackson2MessageConverter) converters.get(2)).getContentTypeResolver();
assertEquals(MimeTypeUtils.APPLICATION_JSON, ((DefaultContentTypeResolver) resolver).getDefaultMimeType());
}
@Test
public void customMessageConverterFailure() throws Exception {
DefaultMessageHandlerMethodFactory instance = createInstance();
MessageConverter messageConverter = new ByteArrayMessageConverter();
instance.setMessageConverter(messageConverter);
instance.afterPropertiesSet();
InvocableHandlerMethod invocableHandlerMethod =
createInvocableHandlerMethod(instance, "simpleString", String.class);
assertThatExceptionOfType(MessageConversionException.class).isThrownBy(() ->
invocableHandlerMethod.invoke(MessageBuilder.withPayload(123).build()));
}
private RuntimeBeanReference registerMessageConverter(
Element element, ParserContext context, @Nullable Object source) {
Element convertersElement = DomUtils.getChildElementByTagName(element, "message-converters");
ManagedList<Object> converters = new ManagedList<>();
if (convertersElement != null) {
converters.setSource(source);
for (Element beanElement : DomUtils.getChildElementsByTagName(convertersElement, "bean", "ref")) {
Object object = context.getDelegate().parsePropertySubElement(beanElement, null);
converters.add(object);
}
}
if (convertersElement == null || Boolean.valueOf(convertersElement.getAttribute("register-defaults"))) {
converters.setSource(source);
converters.add(new RootBeanDefinition(StringMessageConverter.class));
converters.add(new RootBeanDefinition(ByteArrayMessageConverter.class));
if (jackson2Present) {
RootBeanDefinition jacksonConverterDef = new RootBeanDefinition(MappingJackson2MessageConverter.class);
RootBeanDefinition resolverDef = new RootBeanDefinition(DefaultContentTypeResolver.class);
resolverDef.getPropertyValues().add("defaultMimeType", MimeTypeUtils.APPLICATION_JSON);
jacksonConverterDef.getPropertyValues().add("contentTypeResolver", resolverDef);
// Use Jackson factory in order to have JSR-310 and Joda-Time modules registered automatically
GenericBeanDefinition jacksonFactoryDef = new GenericBeanDefinition();
jacksonFactoryDef.setBeanClass(Jackson2ObjectMapperFactoryBean.class);
jacksonFactoryDef.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
jacksonFactoryDef.setSource(source);
jacksonConverterDef.getPropertyValues().add("objectMapper", jacksonFactoryDef);
converters.add(jacksonConverterDef);
}
}
ConstructorArgumentValues cargs = new ConstructorArgumentValues();
cargs.addIndexedArgumentValue(0, converters);
RootBeanDefinition messageConverterDef = new RootBeanDefinition(CompositeMessageConverter.class, cargs, null);
String name = MESSAGE_CONVERTER_BEAN_NAME;
registerBeanDefByName(name, messageConverterDef, context, source);
return new RuntimeBeanReference(name);
}
@Bean
public CompositeMessageConverter brokerMessageConverter() {
List<MessageConverter> converters = new ArrayList<>();
boolean registerDefaults = configureMessageConverters(converters);
if (registerDefaults) {
converters.add(new StringMessageConverter());
converters.add(new ByteArrayMessageConverter());
if (jackson2Present) {
converters.add(createJacksonConverter());
}
}
return new CompositeMessageConverter(converters);
}
@Test
public void configureMessageConvertersDefault() {
AbstractMessageBrokerConfiguration config = new BaseTestMessageBrokerConfig();
CompositeMessageConverter compositeConverter = config.brokerMessageConverter();
List<MessageConverter> converters = compositeConverter.getConverters();
assertThat(converters.size(), Matchers.is(3));
assertThat(converters.get(0), Matchers.instanceOf(StringMessageConverter.class));
assertThat(converters.get(1), Matchers.instanceOf(ByteArrayMessageConverter.class));
assertThat(converters.get(2), Matchers.instanceOf(MappingJackson2MessageConverter.class));
ContentTypeResolver resolver = ((MappingJackson2MessageConverter) converters.get(2)).getContentTypeResolver();
assertEquals(MimeTypeUtils.APPLICATION_JSON, ((DefaultContentTypeResolver) resolver).getDefaultMimeType());
}
@Test
public void customMessageConverterFailure() throws Exception {
DefaultMessageHandlerMethodFactory instance = createInstance();
MessageConverter messageConverter = new ByteArrayMessageConverter();
instance.setMessageConverter(messageConverter);
instance.afterPropertiesSet();
InvocableHandlerMethod invocableHandlerMethod =
createInvocableHandlerMethod(instance, "simpleString", String.class);
thrown.expect(MessageConversionException.class);
invocableHandlerMethod.invoke(MessageBuilder.withPayload(123).build());
}
private RuntimeBeanReference registerMessageConverter(
Element element, ParserContext context, @Nullable Object source) {
Element convertersElement = DomUtils.getChildElementByTagName(element, "message-converters");
ManagedList<Object> converters = new ManagedList<>();
if (convertersElement != null) {
converters.setSource(source);
for (Element beanElement : DomUtils.getChildElementsByTagName(convertersElement, "bean", "ref")) {
Object object = context.getDelegate().parsePropertySubElement(beanElement, null);
converters.add(object);
}
}
if (convertersElement == null || Boolean.valueOf(convertersElement.getAttribute("register-defaults"))) {
converters.setSource(source);
converters.add(new RootBeanDefinition(StringMessageConverter.class));
converters.add(new RootBeanDefinition(ByteArrayMessageConverter.class));
if (jackson2Present) {
RootBeanDefinition jacksonConverterDef = new RootBeanDefinition(MappingJackson2MessageConverter.class);
RootBeanDefinition resolverDef = new RootBeanDefinition(DefaultContentTypeResolver.class);
resolverDef.getPropertyValues().add("defaultMimeType", MimeTypeUtils.APPLICATION_JSON);
jacksonConverterDef.getPropertyValues().add("contentTypeResolver", resolverDef);
// Use Jackson factory in order to have JSR-310 and Joda-Time modules registered automatically
GenericBeanDefinition jacksonFactoryDef = new GenericBeanDefinition();
jacksonFactoryDef.setBeanClass(Jackson2ObjectMapperFactoryBean.class);
jacksonFactoryDef.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
jacksonFactoryDef.setSource(source);
jacksonConverterDef.getPropertyValues().add("objectMapper", jacksonFactoryDef);
converters.add(jacksonConverterDef);
}
}
ConstructorArgumentValues cargs = new ConstructorArgumentValues();
cargs.addIndexedArgumentValue(0, converters);
RootBeanDefinition messageConverterDef = new RootBeanDefinition(CompositeMessageConverter.class, cargs, null);
String name = MESSAGE_CONVERTER_BEAN_NAME;
registerBeanDefByName(name, messageConverterDef, context, source);
return new RuntimeBeanReference(name);
}
@Bean
public CompositeMessageConverter brokerMessageConverter() {
List<MessageConverter> converters = new ArrayList<MessageConverter>();
boolean registerDefaults = configureMessageConverters(converters);
if (registerDefaults) {
converters.add(new StringMessageConverter());
converters.add(new ByteArrayMessageConverter());
if (jackson2Present) {
converters.add(createJacksonConverter());
}
}
return new CompositeMessageConverter(converters);
}
@Test
public void configureMessageConvertersDefault() {
AbstractMessageBrokerConfiguration config = new BaseTestMessageBrokerConfig();
CompositeMessageConverter compositeConverter = config.brokerMessageConverter();
List<MessageConverter> converters = compositeConverter.getConverters();
assertThat(converters.size(), Matchers.is(3));
assertThat(converters.get(0), Matchers.instanceOf(StringMessageConverter.class));
assertThat(converters.get(1), Matchers.instanceOf(ByteArrayMessageConverter.class));
assertThat(converters.get(2), Matchers.instanceOf(MappingJackson2MessageConverter.class));
ContentTypeResolver resolver = ((MappingJackson2MessageConverter) converters.get(2)).getContentTypeResolver();
assertEquals(MimeTypeUtils.APPLICATION_JSON, ((DefaultContentTypeResolver) resolver).getDefaultMimeType());
}
@Test
public void customMessageConverterFailure() throws Exception {
DefaultMessageHandlerMethodFactory instance = createInstance();
MessageConverter messageConverter = new ByteArrayMessageConverter();
instance.setMessageConverter(messageConverter);
instance.afterPropertiesSet();
InvocableHandlerMethod invocableHandlerMethod =
createInvocableHandlerMethod(instance, "simpleString", String.class);
thrown.expect(MessageConversionException.class);
invocableHandlerMethod.invoke(MessageBuilder.withPayload(123).build());
}
private RuntimeBeanReference registerMessageConverter(Element element, ParserContext context, Object source) {
Element convertersElement = DomUtils.getChildElementByTagName(element, "message-converters");
ManagedList<? super Object> converters = new ManagedList<Object>();
if (convertersElement != null) {
converters.setSource(source);
for (Element beanElement : DomUtils.getChildElementsByTagName(convertersElement, "bean", "ref")) {
Object object = context.getDelegate().parsePropertySubElement(beanElement, null);
converters.add(object);
}
}
if (convertersElement == null || Boolean.valueOf(convertersElement.getAttribute("register-defaults"))) {
converters.setSource(source);
converters.add(new RootBeanDefinition(StringMessageConverter.class));
converters.add(new RootBeanDefinition(ByteArrayMessageConverter.class));
if (jackson2Present) {
RootBeanDefinition jacksonConverterDef = new RootBeanDefinition(MappingJackson2MessageConverter.class);
RootBeanDefinition resolverDef = new RootBeanDefinition(DefaultContentTypeResolver.class);
resolverDef.getPropertyValues().add("defaultMimeType", MimeTypeUtils.APPLICATION_JSON);
jacksonConverterDef.getPropertyValues().add("contentTypeResolver", resolverDef);
// Use Jackson factory in order to have JSR-310 and Joda-Time modules registered automatically
GenericBeanDefinition jacksonFactoryDef = new GenericBeanDefinition();
jacksonFactoryDef.setBeanClass(Jackson2ObjectMapperFactoryBean.class);
jacksonFactoryDef.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
jacksonFactoryDef.setSource(source);
jacksonConverterDef.getPropertyValues().add("objectMapper", jacksonFactoryDef);
converters.add(jacksonConverterDef);
}
}
ConstructorArgumentValues cavs = new ConstructorArgumentValues();
cavs.addIndexedArgumentValue(0, converters);
RootBeanDefinition messageConverterDef = new RootBeanDefinition(CompositeMessageConverter.class, cavs, null);
return new RuntimeBeanReference(registerBeanDef(messageConverterDef, context, source));
}
@Override
public boolean configureMessageConverters(List<MessageConverter> messageConverters) {
messageConverters.add(new StringMessageConverter());
messageConverters.add(new ByteArrayMessageConverter());
GsonMessageConverter gsonMessageConverter = new GsonMessageConverter();
gsonMessageConverter.setGson(Converters.registerDateTime(new GsonBuilder()).create());
messageConverters.add(gsonMessageConverter);
return false;
}
@BeforeEach
public void before() {
List<MessageConverter> messageConverters = new ArrayList<>();
JsonMapper jsonMapper = new GsonMapper(new Gson());
messageConverters.add(NegotiatingMessageConverterWrapper.wrap(new JsonMessageConverter(jsonMapper)));
messageConverters.add(NegotiatingMessageConverterWrapper.wrap(new ByteArrayMessageConverter()));
messageConverters.add(NegotiatingMessageConverterWrapper.wrap(new StringMessageConverter()));
this.messageConverter = new CompositeMessageConverter(messageConverters);
this.conversionService = new DefaultConversionService();
}