Allow configuring custom argument types

The WebSocket messaging namespace now exposes configuration options for
custom argument resolvers and return value handlers.

Issue: SPR-12217
This commit is contained in:
Rossen Stoyanchev
2014-09-19 16:47:39 -04:00
parent a9b2a12491
commit 237b50a9c8
10 changed files with 286 additions and 40 deletions

View File

@@ -71,9 +71,9 @@ public abstract class AbstractMethodMessageHandler<T>
private Collection<String> destinationPrefixes = new ArrayList<String>();
private List<HandlerMethodArgumentResolver> customArgumentResolvers = new ArrayList<HandlerMethodArgumentResolver>();
private final List<HandlerMethodArgumentResolver> customArgumentResolvers = new ArrayList<HandlerMethodArgumentResolver>(4);
private List<HandlerMethodReturnValueHandler> customReturnValueHandlers = new ArrayList<HandlerMethodReturnValueHandler>();
private final List<HandlerMethodReturnValueHandler> customReturnValueHandlers = new ArrayList<HandlerMethodReturnValueHandler>(4);
private HandlerMethodArgumentResolverComposite argumentResolvers = new HandlerMethodArgumentResolverComposite();
@@ -121,10 +121,15 @@ public abstract class AbstractMethodMessageHandler<T>
* @param customArgumentResolvers the list of resolvers; never {@code null}.
*/
public void setCustomArgumentResolvers(List<HandlerMethodArgumentResolver> customArgumentResolvers) {
Assert.notNull(customArgumentResolvers, "The 'customArgumentResolvers' cannot be null.");
this.customArgumentResolvers = customArgumentResolvers;
this.customArgumentResolvers.clear();
if (customArgumentResolvers != null) {
this.customArgumentResolvers.addAll(customArgumentResolvers);
}
}
/**
* Return the configured custom argument resolvers, if any.
*/
public List<HandlerMethodArgumentResolver> getCustomArgumentResolvers() {
return this.customArgumentResolvers;
}
@@ -135,10 +140,15 @@ public abstract class AbstractMethodMessageHandler<T>
* @param customReturnValueHandlers the list of custom return value handlers, never {@code null}.
*/
public void setCustomReturnValueHandlers(List<HandlerMethodReturnValueHandler> customReturnValueHandlers) {
Assert.notNull(customReturnValueHandlers, "The 'customReturnValueHandlers' cannot be null.");
this.customReturnValueHandlers = customReturnValueHandlers;
this.customReturnValueHandlers.clear();
if (customReturnValueHandlers != null) {
this.customReturnValueHandlers.addAll(customReturnValueHandlers);
}
}
/**
* Return the configured custom return value handlers, if any.
*/
public List<HandlerMethodReturnValueHandler> getCustomReturnValueHandlers() {
return this.customReturnValueHandlers;
}

View File

@@ -27,6 +27,8 @@ import org.springframework.context.ApplicationContextAware;
import org.springframework.context.annotation.Bean;
import org.springframework.messaging.Message;
import org.springframework.messaging.converter.*;
import org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver;
import org.springframework.messaging.handler.invocation.HandlerMethodReturnValueHandler;
import org.springframework.messaging.simp.SimpMessagingTemplate;
import org.springframework.messaging.simp.annotation.support.SimpAnnotationMethodMessageHandler;
import org.springframework.messaging.simp.broker.AbstractBrokerMessageHandler;
@@ -40,6 +42,7 @@ import org.springframework.messaging.support.AbstractSubscribableChannel;
import org.springframework.messaging.support.ExecutorSubscribableChannel;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.util.ClassUtils;
import org.springframework.util.CollectionUtils;
import org.springframework.util.MimeTypeUtils;
import org.springframework.util.PathMatcher;
import org.springframework.validation.Errors;
@@ -213,6 +216,14 @@ public abstract class AbstractMessageBrokerConfiguration implements ApplicationC
handler.setMessageConverter(brokerMessageConverter());
handler.setValidator(simpValidator());
List<HandlerMethodArgumentResolver> argumentResolvers = new ArrayList<HandlerMethodArgumentResolver>();
addArgumentResolvers(argumentResolvers);
handler.setCustomArgumentResolvers(argumentResolvers);
List<HandlerMethodReturnValueHandler> returnValueHandlers = new ArrayList<HandlerMethodReturnValueHandler>();
addReturnValueHandlers(returnValueHandlers);
handler.setCustomReturnValueHandlers(returnValueHandlers);
PathMatcher pathMatcher = this.getBrokerRegistry().getPathMatcher();
if (pathMatcher != null) {
handler.setPathMatcher(pathMatcher);
@@ -220,6 +231,12 @@ public abstract class AbstractMessageBrokerConfiguration implements ApplicationC
return handler;
}
protected void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
}
protected void addReturnValueHandlers(List<HandlerMethodReturnValueHandler> returnValueHandlers) {
}
@Bean
public AbstractBrokerMessageHandler simpleBrokerMessageHandler() {
SimpleBrokerMessageHandler handler = getBrokerRegistry().getSimpleBroker(brokerChannel());