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Create StandardServletAsyncWebRequest via reflection

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Issue: SPR-9500
This commit is contained in:
Rossen Stoyanchev
2012-07-18 10:02:15 -04:00
parent eab6e1d134
commit d3d00696a4
2 changed files with 19 additions and 5 deletions
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21
spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestMappingHandlerAdapter.java
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@@ -16,6 +16,7 @@
package org.springframework.web.servlet.mvc.method.annotation;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
@@ -29,6 +30,7 @@ import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.xml.transform.Source;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.beans.factory.InitializingBean;
@@ -665,15 +667,26 @@ public class RequestMappingHandlerAdapter extends AbstractHandlerMethodAdapter i
}
private AsyncWebRequest createAsyncWebRequest(HttpServletRequest request, HttpServletResponse response) {
AsyncWebRequest asyncRequest;
if (ClassUtils.hasMethod(ServletRequest.class, "startAsync")) {
asyncRequest = new org.springframework.web.context.request.async.StandardServletAsyncWebRequest(request, response);
AsyncWebRequest asyncRequest = instantiateStandardServletAsyncWebRequest(request, response);
asyncRequest.setTimeout(this.asyncRequestTimeout);
return asyncRequest;
}
else {
asyncRequest = new NoOpAsyncWebRequest(request, response);
return new NoOpAsyncWebRequest(request, response);
}
}
private AsyncWebRequest instantiateStandardServletAsyncWebRequest(HttpServletRequest request, HttpServletResponse response) {
String className = "org.springframework.web.context.request.async.StandardServletAsyncWebRequest";
try {
Class<?> clazz = ClassUtils.forName(className, this.getClass().getClassLoader());
Constructor<?> constructor = clazz.getConstructor(HttpServletRequest.class, HttpServletResponse.class);
return (AsyncWebRequest) BeanUtils.instantiateClass(constructor , request, response);
}
catch (Throwable t) {
throw new IllegalStateException("Failed to instantiate StandardServletAsyncWebRequest", t);
}
return asyncRequest;
}
private ServletInvocableHandlerMethod createRequestMappingMethod(HandlerMethod handlerMethod,