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extended synchronization for methodResolverCache (SPR-7525)

This commit is contained in:
Juergen Hoeller 2010-09-06 20:41:50 +00:00
parent 479b4c1b84
commit e035477e6a
2 changed files with 17 additions and 15 deletions
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15
org.springframework.web.portlet/src/main/java/org/springframework/web/portlet/mvc/annotation/AnnotationMethodHandlerAdapter.java
View File

@ -29,7 +29,6 @@ import java.util.LinkedHashMap;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.ClientDataRequest;
@ -152,7 +151,7 @@ public class AnnotationMethodHandlerAdapter extends PortletContentGenerator
private BeanExpressionContext expressionContext;
private final Map<Class<?>, PortletHandlerMethodResolver> methodResolverCache =
new ConcurrentHashMap<Class<?>, PortletHandlerMethodResolver>();
new HashMap<Class<?>, PortletHandlerMethodResolver>();
/**
@ -393,12 +392,14 @@ public class AnnotationMethodHandlerAdapter extends PortletContentGenerator
*/
private PortletHandlerMethodResolver getMethodResolver(Object handler) {
Class handlerClass = ClassUtils.getUserClass(handler);
PortletHandlerMethodResolver resolver = this.methodResolverCache.get(handlerClass);
if (resolver == null) {
resolver = new PortletHandlerMethodResolver(handlerClass);
this.methodResolverCache.put(handlerClass, resolver);
synchronized (this.methodResolverCache) {
PortletHandlerMethodResolver resolver = this.methodResolverCache.get(handlerClass);
if (resolver == null) {
resolver = new PortletHandlerMethodResolver(handlerClass);
this.methodResolverCache.put(handlerClass, resolver);
}
return resolver;
}
return resolver;
}

17
org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/mvc/annotation/AnnotationMethodHandlerAdapter.java
View File

@ -34,7 +34,6 @@ import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
@ -184,7 +183,7 @@ public class AnnotationMethodHandlerAdapter extends WebContentGenerator
private BeanExpressionContext expressionContext;
private final Map<Class<?>, ServletHandlerMethodResolver> methodResolverCache =
new ConcurrentHashMap<Class<?>, ServletHandlerMethodResolver>();
new HashMap<Class<?>, ServletHandlerMethodResolver>();
public AnnotationMethodHandlerAdapter() {
@ -194,7 +193,7 @@ public class AnnotationMethodHandlerAdapter extends WebContentGenerator
// See SPR-7316
StringHttpMessageConverter stringHttpMessageConverter = new StringHttpMessageConverter();
stringHttpMessageConverter.setWriteAcceptCharset(false);
messageConverters = new HttpMessageConverter[]{new ByteArrayHttpMessageConverter(), stringHttpMessageConverter,
this.messageConverters = new HttpMessageConverter[]{new ByteArrayHttpMessageConverter(), stringHttpMessageConverter,
new SourceHttpMessageConverter(), new XmlAwareFormHttpMessageConverter()};
}
@ -440,12 +439,14 @@ public class AnnotationMethodHandlerAdapter extends WebContentGenerator
*/
private ServletHandlerMethodResolver getMethodResolver(Object handler) {
Class handlerClass = ClassUtils.getUserClass(handler);
ServletHandlerMethodResolver resolver = this.methodResolverCache.get(handlerClass);
if (resolver == null) {
resolver = new ServletHandlerMethodResolver(handlerClass);
this.methodResolverCache.put(handlerClass, resolver);
synchronized (this.methodResolverCache) {
ServletHandlerMethodResolver resolver = this.methodResolverCache.get(handlerClass);
if (resolver == null) {
resolver = new ServletHandlerMethodResolver(handlerClass);
this.methodResolverCache.put(handlerClass, resolver);
}
return resolver;
}
return resolver;
}