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#511 - Caching UriTemplate instances for discovered mappings now.

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This commit is contained in:
Oliver Gierke
2016-12-07 12:16:49 +01:00
parent 2daf8aabfb
commit 267181ba44
1 changed files with 23 additions and 1 deletions
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24
src/main/java/org/springframework/hateoas/mvc/ControllerLinkBuilder.java
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@@ -56,7 +56,8 @@ import org.springframework.web.util.UriTemplate;
public class ControllerLinkBuilder extends LinkBuilderSupport<ControllerLinkBuilder> {
private static final String REQUEST_ATTRIBUTES_MISSING = "Could not find current request via RequestContextHolder. Is this being called from a Spring MVC handler?";
private static final MappingDiscoverer DISCOVERER = new AnnotationMappingDiscoverer(RequestMapping.class);
private static final CachingAnnotationMappingDiscoverer DISCOVERER = new CachingAnnotationMappingDiscoverer(
new AnnotationMappingDiscoverer(RequestMapping.class));
private static final ControllerLinkBuilderFactory FACTORY = new ControllerLinkBuilderFactory();
private static final CustomUriTemplateHandler HANDLER = new CustomUriTemplateHandler();
@@ -320,6 +321,27 @@ public class ControllerLinkBuilder extends LinkBuilderSupport<ControllerLinkBuil
return servletRequest;
}
@RequiredArgsConstructor
private static class CachingAnnotationMappingDiscoverer implements MappingDiscoverer {
private final @Delegate AnnotationMappingDiscoverer delegate;
private final Map<String, UriTemplate> templates = new ConcurrentReferenceHashMap<String, UriTemplate>();
public UriTemplate getMappingAsUriTemplate(Class<?> type, Method method) {
String mapping = delegate.getMapping(type, method);
UriTemplate template = templates.get(mapping);
if (template == null) {
template = new UriTemplate(mapping);
templates.put(mapping, template);
}
return template;
}
}
private static class CustomUriTemplateHandler extends DefaultUriTemplateHandler {
public CustomUriTemplateHandler() {